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25 March 2024
9:29
The World Air Quality Report 2023
sur Google Maps Mania

IQAir has released its annual World Air Quality Report. The 2023 report reveals that last year only seven countries met the World Health Organizations' PM2.5 air pollution guideline.The IQAir Annual World Air Quality Report is a yearly analysis of global air quality, compiled by the Swiss air quality monitoring firm IQAir. The report gathers data on PM2.5 (which is particulate matter with a

24 March 2024
11:00
Mappery: The Meanderings of the River Ahr
sur Planet OSGeo

Anton van Tetering shared this “Map of the meanders of the river Ahr on the wall of restaurant Ruland in Altenahr, Germany. Just like many other buildings in the Ahr-valley, this restaurant was severely damaged in the flood catastrophe of July 2021 which killed at least 135 people in this valley alone.”
MapsintheWild The Meanderings of the River Ahr
1:00
SourcePole: FOSSGIS 2024
sur Planet OSGeo
Sourcepole hat an der FOSSGIS 2024 in Hamburg verschiedene Themen mit Vorträgen abgedeckt:
- QGIS Web Client 2 (QWC2) - Neues aus dem Projekt
- QGIS Server Plugins
- BBOX: Kompakter OGC API Server für Features, Tiles und mehr
23 March 2024
11:00
Mappery: Pinocchio Theme Park
sur Planet OSGeo

Ian Wagner shared this pic of a map of Italy in a Pinocchio themed park in South Korea. Who knew Pinocchio was a thing there?
MapsintheWild Pinocchio Theme Park

10:09
The Future for Trees
sur Google Maps Mania

Like many people a few years ago I realized that not only is climate change happening but that human beings as a species are doing next to nothing to prevent its escalation. I do believe that the worst excesses of climate change are still preventable. I just see very little evidence that we are making the changes necessary to stop global heating, or even slow our ever increasing rush towards

0:00
Ecodiv.earth: An addon to download the AHN data in GRASS GIS
sur Planet OSGeo
The r.in.ahn addon
In the previous post, I introduced the ‘Actueel Hoogtebestand Nederland’. To start with a small correction, the version 4 I mentioned isn’t the latest version. Version 5 is being rolled out and is already available for the northern part of the country. But for now, let’s focus on version 4.

In the previous post, I presented some steps to download the AHN for a specific area and import it in GRASS GIS. Downloading was easy using the r.in.wcs addon. However, a few extra steps were required to ensure the imported data would align with the extent and resolution of the original AHN data.

Easy, but why not make it easier yet? So, as it was a rainy day anyway, I used the code presented earlier and wrapped it up in the addon r.in.ahn. Let’s see how to download the DTM for the Land van Cuijk again, but this time using the new addon.
©

Download the DTM for a selected area
Note that this addon only works in locations with the coordinate reference system RD New (EPSG 28992). This is that the CRS of the original data, and the addon is meant to ensure you download the data as it is. This is akin to how the r.in.gdal import function works. If you want to import and reproject the data on the fly (similar to the r.import function), you can use the r.in.wcs addon.

This example shows the steps to download the 0.5-meter resolution DTM for the Land van Cuijk. You’ll need to install the r.in.wcs and r.in.ahn addons ¹ ².
Install the required addons.

First step is to import the Python libraries. Note, this will not be repeated with the next scripts.
```
import grass.script as gs
```
Now, you can install the two addons using the g.extension function.
```
gs.run_command("g.extension", extension="r.in.wcs")
gs.run_command("g.extension", extension="r.in.ahn")
```
Install the two addons using the g.extension function.
```
g.extension extension=r.in.wcs
g.extension extension=r.in.ahn
```
You need the g.extension function to install addons. In the main menu, go to Settings > Addons extension > Install extension from addon. Alternatively, type in g.extension on the command line. The example below is for r.in.wcs. Repeat this step for r.in.ahn.
Figure 1: The g.extension function, started from the command line. Figure 1: The g.extension function, started from the command line.
Now, download the administrative boundaries of the Dutch municipalities, and extract the boundaries of the “Land van Cuijk”.
Download layer with administrative boundaries of the neighborhood.
```
gs.run_command(
    "v.in.wfs",
    url="https://service.pdok.nl/cbs/wijkenbuurten/2022/wfs/v1_0?",
    output="municipalities",
    name="gemeenten",
)
```
Next, extract the boundaries of the municipality of “Land van Cuijk”
```
gs.run_command(
    "v.extract",
    input="municipalities",
    where="naam = 'Land van Cuijk'",
    output="LandvanCuijk",
)
```
Get the vector layer with the boundaries of the municipality.
```
v.in.wfs url="https://service.pdok.nl/cbs/wijkenbuurten/2022/wfs/v1_0?" \
    output=municipalities name=gemeenten
```
Next, extract the boundaries of the municipality of “Land van Cuijk”
```
v.extract input=municipalities where="naam = 'Land van Cuijk'" \
    output="LandvanCuijk"
```
Type in v.in.wfs on the command line or in the console. You can also find the function under main menu > File > Import vector data. This opens the following screen (you need to fill in parameters in two tabs):
Figure 2: Download the vector layer with the municipality boundaries. Define the base URL and the name of the output layer. Figure 2: Download the vector layer with the municipality boundaries. Define the base URL and the name of the output layer. Figure 3: Download the vector layer with the municipality boundaries. Fill in the name of the WFS layer to download. Figure 3: Download the vector layer with the municipality boundaries. Fill in the name of the WFS layer to download. Figure 4: Extract the boundaries of the municipality of Land van Cuijk. Select the name of the vector layer with municipalities and give the name of the output layer. Figure 4: Extract the boundaries of the municipality of Land van Cuijk. Select the name of the vector layer with municipalities and give the name of the output layer. Figure 5: Extract the boundaries of the municipality of Land van Cuijk. Fill in the query, which defines which features you want to select and save. Tip: Use the convenient query builder. Figure 5: Extract the boundaries of the municipality of Land van Cuijk. Fill in the query, which defines which features you want to select and save. Tip: Use the convenient query builder.
Now, set the region to match the extent of the municipality. Note, you do not need to be concerned with the resolution; r.in.ahn will adjust the resolution and extent to make sure the imported data aligns perfectly with the original AHN data. This is done by setting the resolution to 0.5 meters and subsequently extending the region’s extent until it aligns with the original AHN data layer.
Set the region to match the vector layer LandvanCuijk.
```
gs.run_command("g.region", vector="LandvanCuijk")
```
Get the vector layer with the boundaries of the municipality.
```
g.region vector=LandvanCuijk
```
Type in g.region on the command line or console, or open the function’s window via menu | Settings | Computational region | Set region.
Figure 6: Set the region to match the extent of the vector layer LandvanCuijk. Figure 6: Set the region to match the extent of the vector layer LandvanCuijk.
Now, you can run the r.in.ahn function to import the layer. Note that by default, the addon will change the region you just defined. It will set the resolution to 0.5 meters (this is the resolution of the AHN data you are about to download). It will furthermore expand the extent so that it aligns perfectly with the AHN data.
Import the DTM using the r.in.ahn function.
```
gs.run_command("r.in.ahn", product="dtm", output="dtm_05")
```
Get the vector layer with the boundaries of the municipality.
```
r.in.ahn product=dtm output=dtm_05
```
Type in r.in.ahn on the command line or console. A third way is shown in the image below. Open the Tools tab and go to Addons. The function should be available there.
Figure 7: Open the r.in.ahn plugin, select the product to download (dtm or dsm) and provide the output layer name. Figure 7: Open the r.in.ahn plugin, select the product to download (dtm or dsm) and provide the output layer name. Download whole tiles
If you set the -t flag, the function will import the DTM or DSM for all 6.5×5 km AHN tiles that overlap with the current region. In addition, a vector polygon layer will be created with the tile boundaries.
Define the region for which you want to download the data, and import the DSM using the r.in.ahn function. Set the -t flag to download the DTM for the area covered by the tiles that overlap with the region.
```
# Set the region
gs.run_command("g.region", n=412572, s=411280, w=188911, e=190085)

# Import the tile(s) that include the selected region 
gs.run_command("r.in.ahn", product="dtm", flags="t",
                output="dtm_05_subset")
```
```
# Set the region
g.region n=412572 s=411280 w=188911 e=190085)

# Import the tile(s) that include the selected region 
r.in.ahn -t product=dtm output=dtm_05_subset)
```
Open the g.region addon by typing g.region on the command line, in the console, or using the menu. Fill in the northern, southern, western, and eastern limits of the area for which you want to download the data.
Figure 8: Set the region bounds. Figure 8: Set the region bounds.
Type in r.in.ahn on the command line or console. Or go to the Tools tab and go to Addons. The function should be available there. Fill in the required fields, like in the previous examples. Next, go to the Optional tab and select Download whole tiles.
Figure 9: Open the r.in.ahn plugin, select the product to download (DTM or DSM) and provide the output layer name. Figure 9: Open the r.in.ahn plugin, select the product to download (DTM or DSM) and provide the output layer name.
The extent of the imported layer covers the 6.5×5 km AHN tile. In addition to the raster layer, you’ll have a vector layer with the boundary of the downloaded tile(s). This vector layer has the same name but with the suffix *_tiles*.

You should be aware that running the function will adjust the computational region so that it aligns with the imported data. You can avoid this by setting the -g flag, as illustrated in Figure 10.
Figure 10: A: The downloaded 6.5 x 5 km AHN tiles that intersect with the user-defined region, here indicated by the orange outline. In addition, a vector layer with the boundaries of the tiles is created. The red outline shows the adjusted region extent after running the function. The blue outlines show the boundaries of the downloaded tiles. B: The same, but with the -g flag set. With this flag set, the user-defined region (red outline) will not be altered . Figure 10: A: The downloaded 6.5 x 5 km AHN tiles that intersect with the user-defined region, here indicated by the orange outline. In addition, a vector layer with the boundaries of the tiles is created. The red outline shows the adjusted region extent after running the function. The blue outlines show the boundaries of the downloaded tiles. B: The same, but with the -g flag set. With this flag set, the user-defined region (red outline) will not be altered . Footnotes
1. You are expected to be familiar with GRASS GIS and the concept of region used in GRASS GIS. If you are new to GRASS GIS, you are warmly recommended to first check out the GRASS GIS Quickstart and the explanation about the GRASS GIS database.??
2. Downloading the DTM for the whole municipality will take a while. If you want to speed things up, you can work with a smaller area by using your own vector data.??
22 March 2024
11:00
Mappery: A map lover’s birthday present
sur Planet OSGeo

Gregory Marler said “I got a scarf for my birthday, it’s got 2 country maps on it! Would @mappery count this as a map in the wild? At the least it is being worn beside my wild/unkempt beard.”

The answer is definitely “Yes”

Who can work out the country that is not UK? (Greg can’t answer)
MapsintheWild A map lover’s birthday present
9:40
Jackie Ng: Avalonia UI Test Drive
sur Planet OSGeo
As the title implies, this blog post is about my experience test driving Avalonia UI.
So why am I doing this?
I've been getting growing questions lately about whether MapGuide Maestro works on Linux via Mono.
Sadly I no longer emphasize anything regarding Mono compatibility because.
- WinForms support (in legacy .net Framework 4.x) on Mono is pretty much a hack.
- And since we've moved away from legacy .net Framework to .net 6.0, the combination of WinForms + .net 6.0 is probably an unsupported combination (you don't use Mono to run .net core/5.0+ applications, you use Microsoft's official SDK/runtime). I'm also not too keen to waste time and resources to test and find out.
The best and practical approach for a multi-platform MapGuide Maestro would be to at a minimum to rewrite the UI in a library/framework where support on non-Windows platforms is a first-class citizen.
And in terms of .net multi-platform UI frameworks, there's only one logical choice: Avalonia UI
While it is not in my immediate plans to rewrite MapGuide Maestro's UI in Avalonia, I wanted to at least explore the feasibility of building such a UI even if all the actual functionality is mocked up, just to see how easy or difficult the whole process is.
Hence the motivation for this post.
So why Avalonia?
Avalonia is effectively the "spiritual successor" to WPF, and adopts most of the same patterns and practices when building UIs for Avalonia.
I had first heard about Avalonia when it was formerly known as Perspex and at the time, from the screenshots of example Perspex applications on Windows and non-Windows platforms, it was clear at that point in time the range of possible applications one can build with Perspex was quite limited and building an application like Maestro on top of Perspex was not feasible.
Just recently, I had heard about the framework now known as Avalonia again and this time round there was a lot more positive buzz around it, so I gave it another look and was much more impressed at its capabilities and richer suite of UI controls to build applications with.
Our objective
My objective with this Avalonia learning exercise was to build a minimal multi-document interface skeleton application, mimicking the primary functionality (UI-wise) of MapGuide Maestro.
- Being able to present a login UI to connect to a MapGuide Server
- Present MapGuide Server resources in a tree view
- Open resources in a region of tabbed editor panels and being able to close them.
This is a crude wireframe of the kind of UI I wanted to build.
If this kind of UI looks familiar, yes it's basically the UI for tools like:
- Visual Studio Code
- Azure Data Studio
- Azure Storage Explorer
- any many others like them!
MapGuide Maestro is an IDE-like application (in terms of UI), so my first instinct is to look for a Visual Studio like docking library for Avalonia. However, I've been using Visual Studio Code more often than full Visual Studio as my daily driver for coding and the VSCode UI has become my default UI that I want to replicate for any IDE-like application with a multi-document interface.
The benefit of such a UI, is that it doesn't require an explicit VS-style window docking control like I have for the current WinForms-based MapGuide Maestro. I can already see the controls needed to build such a UI
Any UI toolkit worth its salt should to able to provide these basic controls.
This is a proof-of-concept, so we won't be using the existing Maestro API to talk to actual MapGuide Servers. Instead such functionality will be mocked up for this application. The main purpose of this exercise is to see if Avalonia provides enough of the base UI elements to build a hypothetical version of MapGuide Maestro on top of.
It turns out this exercise was fraught with several challengesChallenge #1: Getting familiar with Avalonia conceptsThe first challenge was simply getting familiar with Avalonia concepts. Being someone who did .net desktop app development primarily in Windows Forms, I skipped over WPF, and its XAML-based variants/successors like Silverlight, Xamarin Forms, UWP, and MAUI, and Avalonia being a "spiritual successor" to WPF meant that I didn't have a potential conceptual head start on Avalonia that one might have if they already had experience with WPF and its XAML-based derivatives.
However, I was familiar with the MVVM pattern and data-binding, which is used heavily in Avalonia. I already had experience in knockout.js building/maintaining some of our web apps in my day job, and these concepts learned from knockout.js mostly translate cleanly 1:1 to Avalonia.
The other Avalonia concepts I'll have to figure out as we go along.
Challenge #2: WebAssembly (WASM) supportBefore I begin, I must take the MapGuide-knowledgable readers of this post back in time, way back to when MapGuide Open Source 1.0 was released.
Do you remember how this new (at the time), re-invented version of MapGuide was released, but the only authoring option at the time was to buy a license of Autodesk MapGuide Studio? Not a pretty look if you are offering a free and open source web map GIS server, but the authoring tools are not?
Some members of the MapGuide community were aware of this glaring discrepancy and created a web-based equivalent of MapGuide Studio called Web Studio built fully with HTML/JS/CSS. Unfortunately, Web Studio was really bare-bones in terms of authoring capabilities and the code being written in the pre-historic era of javascript (this was circa 2006-2007) which did not make it conductive to external contribution. React, TypeScript and friends weren't around then, so trying to enhance Web Studio with new features was extremely challenging. I once tried to add at least a generic XML text editor fallback for Web Studio so you had something to edit various resources where Web Studio did not provide a dedicated editor UI for, but alas this was just too challenging for me and I gave up on such an idea.
But eventually another user of the MapGuide community solved this problem more directly by developing and releasing a v1.0 of a windows .net desktop application that you all know as MapGuide Maestro. As an aside, I am not the original author of MapGuide Maestro in case you're wondering, I merely took over development and maintenance of Maestro from the 2.1 release onwards.
Anyways, back to the topic at hand, when I created the new Avalonia application with the provided project template, I was most surprised to see that the generated solution came with a project that compiled to WebAssembly (WASM) that was ready to run in your web browser!
This was a mind-blowing revelation for me from a conceptual standpoint. It means our hypothetical MapGuide Maestro built on Avalonia could not only exist as a regular desktop application, but the WASM build of this application could be dropped in the the wwwroot of a MapGuide Web tier installation and you would now have a modern version of Web Studio, but much more powerful and capable, because it is just MapGuide Maestro ... now in your web browser!
Since our starter project template includes a functioning WASM browser target. I now had a strong incentive to keep this target active and working, because the prospect of being able to run MapGuide Maestro in a web browser is a very tempting proposition. Therefore, the choice of libraries and APIs I use is constrained by my new requirement of being able to work in a browser/WASM environment.
For example, I originally wanted to use MVVMDialogs to simplify working with dialogs (Maestro has lots of dialogs, so I figure such a library could be useful), but I couldn't get this library to work in a WASM environment with some of my testing dialogs, so this was a no-go. Since this was just a proof-of-concept, there wasn't a need to have working dialog system, but it does mean if this were to go beyond a proof-of-concept and into an actual application where we will inevitably have to present a dialog of some sort, I'd have to come with a paradigm that can work in both desktop and browsers.
Another problem with this WASM target is that I can't seem to debug it in Visual Studio. You can launch the WASM target in the debugger and spawn a new browser window to launch your app, but any breakpoints you stick in your C# code are not being hit. I'm not sure if this a shortcoming or a broken feature, but it is somewhat concerning if we were to go full steam ahead with support WASM as a compilation/deployment target.Challenge #3: "Large scale" MVVMAlthough I already knew the MVVM pattern from knockout.js, my scope of usage was mostly limited to using knockout.js to building "islands" of interactive client-side content on primarily server-generated web pages. So I didn't really have an idea of how to apply such a pattern on a full blown Single Page Application (SPA), which is pretty much what we're trying to achieve (conceptually) in Avalonia. By the time I was building SPAs proper, I had moved on the popular stuff like React, which is how I gained the knowledge needed to build a modern replacement map viewer for MapGuide and my usage of knockout.js fell by the wayside as a result, so I never figured out the answer for how to do large scale MVVM.
The main problem was that in a large scale MVVM, how do view models communicate with each other without a tight parent-child coupling?
I deduced that for starters, we definitely need to use dependency injection. Various view models will need to access different services and if we had a root view model with explicit nested child view models (each with their own service requirements), it would be an absolute pain to have to setup these various view models. Using a DI container means we can offload this concern to it and we can focus on just asking the DI container for a particular view model and it will setup all the required services for it for us provided we register everything properly with the DI container.
For better WASM support, I wanted a dependency injection container that is not driven by reflection to make the code more friendlier to app trimming. We want to be able to app trim on publish so that we can eliminate unused code and reduce the final binary size. This is most desirable for the WASM target as app trimming means smaller binaries, which means smaller payloads to download in a web browser. StrongInject was chosen for this reason as it was a "compile-time" DI container that can verify all your dependencies are registered properly before running the application through the magic of source generators, generating all the necessary registration and validation code for you.

Finally, to be able to communicate between view models without necessary parent-child coupling, the messenger facility of the MVVM toolkit can be used. With this messenger facility, we simply:
- Have select view models be recipients of certain messages
- Have our application services (that various view model commands call) send these messages.
- Relevant recipients get notified and update themselves (and their bound UIs) accordingly as a result.
I don't know if this is the proper usage of MVVM pattern in a "large scale" application, but it makes sense internally in my mind.Challenge #4: TabControl binding of heterogenous/polymorphic contentOur proof-of-concept app has a main tab region where tabs of various document content are shown. I figured out easily that their TabControl component is supposed to be data-bound to an observable collection of view models, but what really stumped me was how bind this control to an observable collection of polymorphic editor view models?
The reason is because the tab content we want to show is not homogenous. One open editor tab could be for a layer, one for a map, one for a feature source, etc, etc. So we need to be able to show different tabs on the same tab control.
Avalonia documentation is pretty scant on this topic. All examples I found assume homogenous series of tab content, which is not our case.
Just for laughs, since AI has been hyped for soon taking away everyone's jobs (even us devs), I figured I'd ask huggingface chat (as a guest), how would you solve this problem?

Unfortunately, the provided code sample does not work out of the box. It clearly assumed Avalonia = WPF and gave me a WPF-based solution. The giveaway was the Avalonia TabControl does not have an ItemTemplateSelector, but the WPF TabControl does.
But Avalonia sharing many conceptual similarities with WPF meant that although the answer provided wasn't correct, parts of the answer were applicable and did lead me down to further avenues of inquiry and eventually I found the solution: It was to define a data template for every possible derived tab view model class in the same UserControl where the TabControl was specified.Final challenge: Avalonia VS designerThis wasn't so much a challenge, rather an annoyance. The Avalonia designer in Visual Studio has some teething issues
- Intellisense/autocomplete is somewhat flaky when writing binding expressions and when you're doing a lot of data-binding, having the editor giving you and incomplete or outdated list of properties you can bind to becomes annoying. A full project build generally fixes this, but it is annoying having to do this every time I add new observable properties or commands to an existing view model class.
- It's also not rename-aware, so observable property or command renames will result in stale binding expressions, causing havoc with the designer and have to be manually fixed up in the XAML. Choose your observable property names wisely I suppose, because renaming them afterwards is painful.
The end result and overall thoughtsA week later from that post, after addressing and/or navigating around these various challenges, we have a functional skeleton application!

And if these screenshots don't convince you, thanks to being able to deploy as a WASM target, I deployed a copy to GitHub pages, so you can see this app for yourself right in your WASM-enabled web browser!

The source code for this app can be found here. One day this may form the basis of a new (true) multi-platform version of MapGuide Maestro, but for now this lies as a potentially useful starting point for building a tabbed-multi-document editor application with Avalonia.
So what did I think of Avalonia from this little experiment?
- I like it mostly. My pre-existing experience on knockout.js helped greatly with picking up MVVM and data-binding. My initial prediction of a VSCode-style UI layout being buildable turned out to be true.
- I like the default (project template provided) choice of MVVM Toolkit for applying the MVVM pattern. I like their heavy use of source generators to make adding new observable properties and commands to a view model being a simple case of tacking [ObservableProperty] on a field or tacking [RelayCommand] to a private method and having the source generator generate all of the boilerplate code for you (and it's a lot of boilerplate!).
- The revelation that Avalonia has a WASM deployment target was both exciting and "cramping my style". It meant that certain libraries I wanted to use (eg. The MVVM dialogs library) could not be used and it wasn't clear what would work in a WASM browser environment and what wouldn't. Which leads to ...
- Documentation is lacking in some areas. What really stumped me for a while was how do a TabControl bound to a collection of polymorphic or heterogenous tab view models. Their provided examples completely failed to tell me how to do this. I suppose if I came into this with existing WPF experience, this wouldn't have been so difficult as most of the concepts and patterns seem to be mostly transferable, but I happened to have skipped WPF and its bajillion XAML-based derivatives, so I didn't have this pre-existing knowledge to fall back on. Through perseverance and looking at the source code for many existing Avalonia applications on GitHub, I was finally able to determine that data templates was the solution.
So all-in-all, this was a fun and useful exercise and you get a useful starting point app from this effort!
Now I better get back onto this MapGuide/FDO work.

8:34
FlightRadar's New GPS Jamming Map
sur Google Maps Mania

Yesterday the live real-time global plane tracking website FlightRadar released a new interactive map which detects and tracks interference and jamming of GPS signals across the world. The map uses a simple to understand colored overlay to show in near real-time areas around the globe currently experiencing levels of interference to global navigation satellite systems. GPS jamming

21 March 2024
17:47
GIScussions: Your Map Inside
sur Planet OSGeo

A few weeks ago I recorded a Geomob Podcast with Ana Lucía González Paz about her beautiful flipbook, A Map Inside. You can read the book in a few minutes and then you can listen to the podcast
[https:]]
Towards the end of each podcast, I give my guest the opportunity to go off piste and talk about a subject that they choose (in the past we have talked about digital privacy, mental health and open source sustainability to mention just a few). Ana said that she would like to ask me to describe my Map Inside and you can hear how I replied at the end of the podcast.

After we recorded the podcast, I was chatting with Ana and we thought that it would be fun to get other people to share their Map Inside. Everyone has a Map Inside connected to memories, people, special moments, would you like to share yours? Just record a short audio clip in mp3 format running for 60 to 120 seconds and mail it to me (if you don’t know my email use the Contact Form to reach me or find me at Mastodon). Assuming we get a few responses, Ana and I will put together an episode of the podcast with a selection of your Maps Inside.

Hope to hear from you with your Map Inside
11:00
Mappery: Route Map Not Available
sur Planet OSGeo

Kaakapoo shared this “A lack of #MapsintheWild today”

I’m sure this will prompt some debate as to whether the absence of a Map qualifies as an entry here, but you know the rules (editors are always right)
MapsintheWild Route Map Not Available

9:27
The Sea Trade Monitor
sur Google Maps Mania

PortWatch is a new platform which monitors disruptions to global maritime trade. The platform uses real-time data on ship traffic and maritime trade to provide an alert system on trade disruptions likely to impact shipping trade routes. Recent attacks by Houthi rebels on ships traversing the Red Sea have helped to highlight how marine trade is vulnerable to geopolitical instability..

20 March 2024
15:19
Jorge Sanz: Interview at Geomob Podcast
sur Planet OSGeo

Pièce jointe: [télécharger]

Earlier this week an episode of the Geomob Podcast was published where Steven Feldman interviews yours truly. It was a lot of fun to chat with Steven about Elastic, my experience in the geospatial industry, and Open Source in general. I could also advocate a bit about data privacy and digital identity which is a topic that has picked my interest even more lately with all the shit that is hitting that social network we all know about.

If you want to learn a bit about Elastic and Geo this is maybe a good opportunity to get a condensed gist of why would anyone want to store and analyze geospatial data in Elasticsearch, a few compelling use cases and so on.

[https:]]

Cheers!

Reply by mail or from the fediverse
11:00
Mappery: Fushimi Inari-taisha Park
sur Planet OSGeo

Raf shared this beautiful map from Fushimi Inari-taisha park in Kyoto.
MapsintheWild Fushimi Inari-taisha Park

9:36
The most mis-mapped US states
sur Google Maps Mania

According to the 55,387 players of the online game 'Find the Location of ...' Texas, California and Virginia are the most well-known states in the United States. Based on the results of this popular mapping game North Dakota, Missouri and Wyoming are the least well-known statesFlagWhiz.com's map game Find the Location of ... requires players to position the outlines of states onto a near empty

1:00
Camptocamp: Camptocamp at FOSSGIS 2024
sur Planet OSGeo

Pièce jointe: [télécharger]

Camptocamp will join other geospatial professionals at the FOSSGIS conference in Hamburg, Germany from March 20 to 23, 2024.
19 March 2024
20:12
GeoTools Team: GeoTools 31.0 released
sur Planet OSGeo

GeoTools 31.0 released The GeoTools team is pleased to announce the release of the latest stable version of GeoTools 31.0: geotools-31.0-bin.zip geotools-31.0-doc.zip geotools-31.0-userguide.zip geotools-31.0-project.zip This release is also available from the OSGeo Maven Repository and is made in conjunction with GeoServer 2.25.0 and
11:00
Mappery: Drinking Longitude
sur Planet OSGeo

Javier asks whether this qualifies as a map in the wild? And we say “Why not?”

The blurb on the bottle should say “This wine will coordinate well with food from any latitude”
MapsintheWild Drinking Longitude

10:10
A Total Scrolly Eclipse
sur Google Maps Mania

In three weeks time, on April 8, people across large parts of the USA will be able to watch a total solar eclipse. The path of totality, where the Moon's shadow completely falls during a total solar eclipse and where the view of the sun is completely obscured by the moon, will travel around 4,000 miles over North America from the Pacific Ocean west of Mexico, through 15 U.S. states, to the

1:00
GeoServer Team: GeoServer 2.25.0 Release
sur Planet OSGeo
GeoServer 2.25.0 release is now available with downloads (bin, war, windows), along with docs and extensions.

This is a stable release of GeoServer recommended for production use. GeoServer 2.25.0 is made in conjunction with GeoTools 31.0, and GeoWebCache 1.25.0.

Thanks to Peter Smythe for making this release. Thanks to Levy Steve, Peter Smythe, Jody Garnett, and Mark Prins for testing the 2.25.0 release.
Security Considerations
This release addresses several security vulnerabilities, all of which require admin access.
- If you have updated to GeoServer 2.24.2 Release or GeoServer 2.23.5 Release you are already patched.
- If you are working with a commercial support provider that volunteers with the geoserver-security email list they are already informed.
Vulnerabilities:
- CVE-2023-51444 Arbitrary file upload vulnerability in REST Coverage Store API (High).
- CVE-2023-41877 GeoServer log file path traversal vulnerability (High).
- CVE-2024-23634 Arbitrary file renaming vulnerability in REST Coverage/Data Store API (Moderate).
- CVE-2024-23643 Stored Cross-Site Scripting (XSS) vulnerability in GWC Seed Form (Moderate).
- CVE-2024-23821 Stored Cross-Site Scripting (XSS) vulnerability in GWC Demos Page (Moderate).
- CVE-2024-23819 Stored Cross-Site Scripting (XSS) vulnerability in MapML HTML Page (Moderate).
- CVE-2024-23818 Stored Cross-Site Scripting (XSS) vulnerability in WMS OpenLayers Format (Moderate).
- CVE-2024-23642 Stored Cross-Site Scripting (XSS) vulnerability in Simple SVG Renderer (Moderate).
- CVE-2024-23640 Stored Cross-Site Scripting (XSS) vulnerability in Style Publisher (Moderate).
- CVE-2023-51445 Stored Cross-Site Scripting (XSS) vulnerability in REST Resources API (Moderate).
We would like to thank everyone who contributed to reporting, verifying and fixing the above vulnerabilities (see each CVE for appropriate credits). A special thank you to Steve Ikeoka for reporting most of the issues and doing the majority of the actual fixes.

The use of the CVE system allows the GeoServer team to reach a wider audience than blog posts. See the project security policy for more information on how security vulnerabilities are managed.
Upgrade Notes
We have a number of configuration changes when updating an existing system:
- The longstanding ENTITY_RESOLUTION_ALLOWLIST setting has been recommended as a way to control the locations available for external entity resolution when parsing XML documents and requests.
  
  The default has changed from * (allowing any location) to allowing the recommended www.w3.org, schemas.opengis.net, www.opengis.net locations used for OGC Web Services, along with the inspire.ec.europa.eu/schemas location used by our friends in Europe.
- The FreeMarker Template HTML Auto-escaping is now enabled by default.
- The spring security firewall is now enabled by default.
- A new configuration setting is available to limit content served from the geoserver/www folder.
  
  If you have not met the www folder before it is used to share content, and there is a tutorial serving static files.
- We do add recommendations to production considerations over time, if you have not checked that page in a while please review.
Thanks to Steve Ikeoka and Jody Garnett for these improvements.
JTS fast polygon intersection enabled by default
The JTS Next Generation polygon intersection algorithm has been enabled by default, which will improve performance of a number of operations, including WPS processes and the vector tiles generation. We deem the functionality well tested enough that it should be opened to the majority of users, even if it’s still possible to turn it off by adding the -Djts.overlay=old.

MapML Extension
The MapML extension is receiving a number of updates and improvements, with more to come in the following months. It’s now possible to declare “Tiled CRS” as the CRS for a layer, with the implication not just of the CRS, but also of the gridset that will be used by the MapML viewer:

This portion builds on top of the work done months ago to support astronomical CRSs, which allows GeoServer to support multiple CRS authorities.

The MapML preview links are now using the new MapML output format, while the old dedicated REST controller has been removed. This allows for better integration of the MapML format in the GeoServer ecosystem. The MapML viewer has also been updated to the latest version:

Thanks to Joseph Miller and Andrea Aime (GeoSolutions) for this work, and Natural Resources Canada for sponsoring it.
Community Module Updates
Much of the new activity in GeoServer starts as a community module. We’d like to remind you that these modules are not yet supported, and invite you to join the effort by participating in their development, as well as testing them and providing feedback.
Raster Attribute Table community module
Developed as part of GEOS-11175, the Raster Attribute Table community module uses the GDAL Raster Attribute Table (RAT) to provide a way to associate attribute information for individual pixel values within the raster, to create styles as well as to provide a richer GetFeatureInfo output.

For more information see the user guide.

We’d like to thank Andrea Aime (GeoSolutions) for the development and NOAA for sponsoring.
Graticules for WMS maps
The graticules community module, developed as part of GEOS-11216, provides a datastore generating graticules for WMS maps, along with a rendering transformation that can be used to label them. The module can be used to draw a graticule in WMS maps, as well as to download them as part of WFS (or in combination with the WPS download module).

We’d like to thank Ian Turton for development and GeoSolutions for sponsoring the work.
GeoServer monitor Kafka storage
The monitoring Kafka storage module, developed as part of GEOS-11150, allows storing the requests captured by the monitoring extension into a Kafka topic.

We’d like to thank Simon Hofer for sharing his work with the community. To learn more about the module, how to install and use it, see the user-guide.
JWT Headers
The JWT headers module has been developed as part of GEOS-11317.

The module is a new authentication filter that can read JWT Headers, as well as general JSON payloads and simple strings, to identify a user, as well as to extract their roles. The combination of Apache mod_auth_openidc with geoserver-jwt-headers-plugin provides an alternative to using the geoserver-sec-oauth2-openid-connect-plugin plugin.

We’d like to thank David Blasby (GeoCat) for this work on this module.
Developer Updates ResourceStore / Paths API Change
Developers should keep in mind some important maintenance work performed by Niels Charlier on the use absolute and relative paths in the ResourceStore. See the Developers Guide for more information.

This does not affect end users.
Experimental Java 21 support
GeoServer, along with GeoTools and GeoWebCache, are now tested to build and pass tests with Java 21.

This is not yet an endorsement to run GeoServer in production with Java 21. We are looking ahead at the 2024 roadmap, and are making sure the basics are covered for the newer Java releases.
Full Release notes
New Feature:
- GEOS-11225 [AuthKey] AuthKey synchronize the user/group automatically
MapML:
- GEOS-10438 ENTITY_RESOLUTION_ALLOWLIST property not parsing empty setting
- GEOS-11207 Refactor MapML MVC controller as GetMap-based operation with standard parameter format
- GEOS-11221 mkdocs preflight rst fixes
- GEOS-11289 Enable Spring Security Stric [HttpFirewall] by default
- GEOS-11297 Escape WMS GetFeatureInfo HTML output by default
- GEOS-11300 Centralize access to static web files
Improvement:
- GEOS-11306 Java 17 does not support GetFeature lazy JDBC count(*)
- GEOS-11130 Sort parent role dropdown in Add a new role
- GEOS-11142 Add mime type mapping for yaml files
- GEOS-11148 Update response headers for the Resources REST API
- GEOS-11149 Update response headers for the Style Publisher
- GEOS-11152 Improve handling special characters in the Simple SVG Renderer
- GEOS-11153 Improve handling special characters in the WMS OpenLayers Format
- GEOS-11155 Add the X-Content-Type-Options header
- GEOS-11173 Default to using [HttpOnly] session cookies
- GEOS-11176 Add validation to file wrapper resource paths
- GEOS-11213 Improve REST external upload method unzipping
- GEOS-11222 Include Conformance Class for “Search” from OGC API - Features Part 5 proposal
- GEOS-11226 Enable JTS OverlayNG by default
- GEOS-11246 Schemaless plugin performance for WFS
- GEOS-11247 Avoid HTML annotations special status in APIBodyProcessor
- GEOS-11248 Move version header handling from APIBodyMethodProcessor to APIDispatcher
- GEOS-11260 JNDI tutorial uses outdated syntax
- GEOS-11288 Improve input validation in ClasspathPublisher
- GEOS-11289 Enable Spring Security Stric [HttpFirewall] by default
- GEOS-11298 When a Raster Attribute Table is available, expose its attributes in GetFeatureInfo
- GEOS-11327 Add warning about using embedded data directories
- GEOS-11334 Update MapML viewer to release 0.13.1
Bug:
- GEOS-11050 jdbc-store broken by changes to Paths.names
- GEOS-11051 Env parametrization does not save correctly in AuthKey extension
- GEOS-11145 The GUI “wait spinner” is not visible any longer
- GEOS-11182 Avoid legends with duplicated entries
- GEOS-11187 Configuring a raster with NaN as NODATA results in two NaN in the nodata band description
- GEOS-11190 GeoFence: align log4j2 deps
- GEOS-11203 WMS GetFeatureInfo bad WKT exception for label-geometry
- GEOS-11224 Platform independent binary doesn’t start properly with default data directory
- GEOS-11250 WFS GeoJSON encoder fails with an exception if an infinity number is used in the geometry
- GEOS-11278 metadata: only selected tab is submitted
- GEOS-11312 Used memory calculation fix on legend WMS request
- GEOS-11266 csw-iso: missing fields in summary response
- GEOS-11312 Inconsistent Memory Units in Legend Image Creation
- GEOS-11335 A layer in an authority other than EPSG may fail to reload after restart
Task:
- GEOS-11242 Remove the Xalan library
- GEOS-11315 Revert to CORS commented out
- GEOS-11318 Update postgresql to 42.7.2
- GEOS-11134 Feedback on download bundles: README, RUNNING, GPL html files
- GEOS-11141 production consideration for logging configuration hardening
- GEOS-11159 Update mapfish-print-lib 2.3.0
- GEOS-11180 Update ImageIO-EXT to 1.4.9
- GEOS-11181 Update jai-ext to 1.1.25
- GEOS-11186 Fix maven enforcer failFast
- GEOS-11220 Upgrade Hazelcast from 5.3.1 to 5.3.6
- GEOS-11245 Update OSHI from 6.2.2 to 6.4.10
- GEOS-11316 Update Spring version to 5.3.32
For the complete list see 2.25.0 release notes.
Community Updates
Community module development:
- GEOS-11305 Add layer information in the models backing STAC
- GEOS-11146 Fix MBTiles output format test
- GEOS-11184 ncwms module has a compile dependency on gs-web-core test jar
- GEOS-11209 Open ID Connect Proof Key of Code Exchange (PKCE)
- GEOS-11212 OIDC accessToken verification using only JWKs URI
- GEOS-11219 Upgraded mail and activation libraries for SMTP compatibility
- GEOS-11293 Improve performance of wps-lontigudinal-profile
- GEOS-11216 Create a datastore to produce graticules for WMS maps.
Community modules are shared as source code to encourage collaboration. If a topic being explored is of interest to you, please contact the module developer to offer assistance.
About GeoServer 2.25 Series
Additional information on GeoServer 2.25 series:
- GeoServer 2.25 User Manual
- GeoServer 2024 Roadmap Plannings
Release notes: ( 2.25.0 | 2.25-RC )
1:00
GeoServer Team: GeoServer 2.25.0 Release
sur Planet OSGeo
GeoServer 2.25.0 release is now available with downloads (bin, war, windows), along with docs and extensions.

This is a stable release of GeoServer recommended for production use. GeoServer 2.25.0 is made in conjunction with GeoTools 31.0, and GeoWebCache 1.25.0.

Thanks to Peter Smythe for making this release. Thanks to Levy Steve, Peter Smythe, Jody Garnett, and Mark Prins for testing the 2.25.0 release.
Security Considerations
This release addresses several security vulnerabilities, all of which require admin access.
- If you have updated to GeoServer 2.24.2 Release or GeoServer 2.23.5 Release you are already patched.
- If you are working with a commercial support provider that volunteers with the geoserver-security email list they are already informed.
Vulnerabilities:
- CVE-2023-51444 Arbitrary file upload vulnerability in REST Coverage Store API (High).
- CVE-2023-41877 GeoServer log file path traversal vulnerability (High).
- CVE-2024-23634 Arbitrary file renaming vulnerability in REST Coverage/Data Store API (Moderate).
- CVE-2024-23643 Stored Cross-Site Scripting (XSS) vulnerability in GWC Seed Form (Moderate).
- CVE-2024-23821 Stored Cross-Site Scripting (XSS) vulnerability in GWC Demos Page (Moderate).
- CVE-2024-23819 Stored Cross-Site Scripting (XSS) vulnerability in MapML HTML Page (Moderate).
- CVE-2024-23818 Stored Cross-Site Scripting (XSS) vulnerability in WMS OpenLayers Format (Moderate).
- CVE-2024-23642 Stored Cross-Site Scripting (XSS) vulnerability in Simple SVG Renderer (Moderate).
- CVE-2024-23640 Stored Cross-Site Scripting (XSS) vulnerability in Style Publisher (Moderate).
- CVE-2023-51445 Stored Cross-Site Scripting (XSS) vulnerability in REST Resources API (Moderate).
We would like to thank everyone who contributed to reporting, verifying and fixing the above vulnerabilities (see each CVE for appropriate credits). A special thank you to Steve Ikeoka for reporting most of the issues and doing the majority of the actual fixes.

The use of the CVE system allows the GeoServer team to reach a wider audience than blog posts. See the project security policy for more information on how security vulnerabilities are managed.
Upgrade Notes
We have a number of configuration changes when updating an existing system:
- The longstanding ENTITY_RESOLUTION_ALLOWLIST setting has been recommended as a way to control the locations available for external entity resolution when parsing XML documents and requests.
  
  The default has changed from * (allowing any location) to allowing the recommended www.w3.org, schemas.opengis.net, www.opengis.net locations used for OGC Web Services, along with the inspire.ec.europa.eu/schemas location used by our friends in Europe.
- The FreeMarker Template HTML Auto-escaping is now enabled by default.
- The spring security firewall is now enabled by default.
- A new configuration setting is available to limit content served from the geoserver/www folder.
  
  If you have not met the www folder before it is used to share content, and there is a tutorial serving static files.
- We do add recommendations to production considerations over time, if you have not checked that page in a while please review.
Thanks to Steve Ikeoka and Jody Garnett for these improvements.
JTS fast polygon intersection enabled by default
The JTS Next Generation polygon intersection algorithm has been enabled by default, which will improve performance of a number of operations, including WPS processes and the vector tiles generation. We deem the functionality well tested enough that it should be opened to the majority of users, even if it’s still possible to turn it off by adding the -Djts.overlay=old.

MapML Extension
The MapML extension is receiving a number of updates and improvements, with more to come in the following months. It’s now possible to declare “Tiled CRS” as the CRS for a layer, with the implication not just of the CRS, but also of the gridset that will be used by the MapML viewer:

This portion builds on top of the work done months ago to support astronomical CRSs, which allows GeoServer to support multiple CRS authorities.

The MapML preview links are now using the new MapML output format, while the old dedicated REST controller has been removed. This allows for better integration of the MapML format in the GeoServer ecosystem. The MapML viewer has also been updated to the latest version:

Thanks to Joseph Miller and Andrea Aime (GeoSolutions) for this work, and Natural Resources Canada for sponsoring it.
Community Module Updates
Much of the new activity in GeoServer starts as a community module. We’d like to remind you that these modules are not yet supported, and invite you to join the effort by participating in their development, as well as testing them and providing feedback.
Raster Attribute Table community module
Developed as part of GEOS-11175, the Raster Attribute Table community module uses the GDAL Raster Attribute Table (RAT) to provide a way to associate attribute information for individual pixel values within the raster, to create styles as well as to provide a richer GetFeatureInfo output.

For more information see the user guide.

We’d like to thank Andrea Aime (GeoSolutions) for the development and NOAA for sponsoring.
Graticules for WMS maps
The graticules community module, developed as part of GEOS-11216, provides a datastore generating graticules for WMS maps, along with a rendering transformation that can be used to label them. The module can be used to draw a graticule in WMS maps, as well as to download them as part of WFS (or in combination with the WPS download module).

We’d like to thank Ian Turton for development and GeoSolutions for sponsoring the work.
GeoServer monitor Kafka storage
The monitoring Kafka storage module, developed as part of GEOS-11150, allows storing the requests captured by the monitoring extension into a Kafka topic.

We’d like to thank Simon Hofer for sharing his work with the community. To learn more about the module, how to install and use it, see the user-guide.
JWT Headers
The JWT headers module has been developed as part of GEOS-11317.

The module is a new authentication filter that can read JWT Headers, as well as general JSON payloads and simple strings, to identify a user, as well as to extract their roles. The combination of Apache mod_auth_openidc with geoserver-jwt-headers-plugin provides an alternative to using the geoserver-sec-oauth2-openid-connect-plugin plugin.

We’d like to thank David Blasby (GeoCat) for this work on this module.
Developer Updates ResourceStore / Paths API Change
Developers should keep in mind some important maintenance work performed by Niels Charlier on the use absolute and relative paths in the ResourceStore. See the Developers Guide for more information.

This does not affect end users.
Experimental Java 21 support
GeoServer, along with GeoTools and GeoWebCache, are now tested to build and pass tests with Java 21.

This is not yet an endorsement to run GeoServer in production with Java 21. We are looking ahead at the 2024 roadmap, and are making sure the basics are covered for the newer Java releases.
Full Release notes
New Feature:
- GEOS-11225 [AuthKey] AuthKey synchronize the user/group automatically
MapML:
- GEOS-10438 ENTITY_RESOLUTION_ALLOWLIST property not parsing empty setting
- GEOS-11207 Refactor MapML MVC controller as GetMap-based operation with standard parameter format
- GEOS-11221 mkdocs preflight rst fixes
- GEOS-11289 Enable Spring Security Stric [HttpFirewall] by default
- GEOS-11297 Escape WMS GetFeatureInfo HTML output by default
- GEOS-11300 Centralize access to static web files
Improvement:
- GEOS-11130 Sort parent role dropdown in Add a new role
- GEOS-11142 Add mime type mapping for yaml files
- GEOS-11148 Update response headers for the Resources REST API
- GEOS-11149 Update response headers for the Style Publisher
- GEOS-11152 Improve handling special characters in the Simple SVG Renderer
- GEOS-11153 Improve handling special characters in the WMS OpenLayers Format
- GEOS-11155 Add the X-Content-Type-Options header
- GEOS-11173 Default to using [HttpOnly] session cookies
- GEOS-11176 Add validation to file wrapper resource paths
- GEOS-11213 Improve REST external upload method unzipping
- GEOS-11222 Include Conformance Class for “Search” from OGC API - Features Part 5 proposal
- GEOS-11226 Enable JTS OverlayNG by default
- GEOS-11246 Schemaless plugin performance for WFS
- GEOS-11247 Avoid HTML annotations special status in APIBodyProcessor
- GEOS-11248 Move version header handling from APIBodyMethodProcessor to APIDispatcher
- GEOS-11260 JNDI tutorial uses outdated syntax
- GEOS-11288 Improve input validation in ClasspathPublisher
- GEOS-11289 Enable Spring Security Stric [HttpFirewall] by default
- GEOS-11298 When a Raster Attribute Table is available, expose its attributes in GetFeatureInfo
- GEOS-11327 Add warning about using embedded data directories
- GEOS-11334 Update MapML viewer to release 0.13.1
Bug:
- GEOS-11050 jdbc-store broken by changes to Paths.names
- GEOS-11051 Env parametrization does not save correctly in AuthKey extension
- GEOS-11145 The GUI “wait spinner” is not visible any longer
- GEOS-11182 Avoid legends with duplicated entries
- GEOS-11187 Configuring a raster with NaN as NODATA results in two NaN in the nodata band description
- GEOS-11190 GeoFence: align log4j2 deps
- GEOS-11203 WMS GetFeatureInfo bad WKT exception for label-geometry
- GEOS-11224 Platform independent binary doesn’t start properly with default data directory
- GEOS-11250 WFS GeoJSON encoder fails with an exception if an infinity number is used in the geometry
- GEOS-11278 metadata: only selected tab is submitted
- GEOS-11312 Used memory calculation fix on legend WMS request
- GEOS-11266 csw-iso: missing fields in summary response
- GEOS-11312 Inconsistent Memory Units in Legend Image Creation
- GEOS-11335 A layer in an authority other than EPSG may fail to reload after restart
Task:
- GEOS-11242 Remove the Xalan library
- GEOS-11315 Revert to CORS commented out
- GEOS-11318 Update postgresql to 42.7.2
- GEOS-11134 Feedback on download bundles: README, RUNNING, GPL html files
- GEOS-11141 production consideration for logging configuration hardening
- GEOS-11159 Update mapfish-print-lib 2.3.0
- GEOS-11180 Update ImageIO-EXT to 1.4.9
- GEOS-11181 Update jai-ext to 1.1.25
- GEOS-11186 Fix maven enforcer failFast
- GEOS-11220 Upgrade Hazelcast from 5.3.1 to 5.3.6
- GEOS-11245 Update OSHI from 6.2.2 to 6.4.10
- GEOS-11316 Update Spring version to 5.3.32
For the complete list see 2.25.0 release notes.
Community Updates
Community module development:
- GEOS-11305 Add layer information in the models backing STAC
- GEOS-11146 Fix MBTiles output format test
- GEOS-11184 ncwms module has a compile dependency on gs-web-core test jar
- GEOS-11209 Open ID Connect Proof Key of Code Exchange (PKCE)
- GEOS-11212 OIDC accessToken verification using only JWKs URI
- GEOS-11219 Upgraded mail and activation libraries for SMTP compatibility
- GEOS-11293 Improve performance of wps-lontigudinal-profile
- GEOS-11216 Create a datastore to produce graticules for WMS maps.
Community modules are shared as source code to encourage collaboration. If a topic being explored is of interest to you, please contact the module developer to offer assistance.
About GeoServer 2.25 Series
Additional information on GeoServer 2.25 series:
- GeoServer 2.25 User Manual
- GeoServer 2024 Roadmap Plannings
Release notes: ( 2.25.0 | 2.25-RC )
18 March 2024
20:16
Free and Open Source GIS Ramblings: Getting started with pygeoapi processes
sur Planet OSGeo
Today’s post is a quick introduction to pygeoapi, a Python server implementation of the OGC API suite of standards. OGC API provides many different standards but I’m particularly interested in OGC API – Processes which standardizes geospatial data processing functionality. pygeoapi implements this standard by providing a plugin architecture, thereby allowing developers to implement custom processing workflows in Python.

I’ll provide instructions for setting up and running pygeoapi on Windows using Powershell. The official docs show how to do this on Linux systems. The pygeoapi homepage prominently features instructions for installing the dev version. For first experiments, however, I’d recommend using a release version instead. So that’s what we’ll do here.

As a first step, lets install the latest release (0.16.1 at the time of writing) from conda-forge:
```
conda create -n pygeoapi python=3.10
conda activate pygeoapi
mamba install -c conda-forge pygeoapi
```
Next, we’ll clone the GitHub repo to get the example config and datasets:
```
cd C:\Users\anita\Documents\GitHub\
git clone [https:] 
cd pygeoapi\
```
To finish the setup, we need some configurations:
```
cp pygeoapi-config.yml example-config.yml  
# There is a known issue in pygeoapi 0.16.1: [https:] 
# To fix it, edit the example-config.yml: uncomment the TinyDB option in the server settings (lines 51-54)

$Env:PYGEOAPI_CONFIG = "F:/Documents/GitHub/pygeoapi/example-config.yml"
$Env:PYGEOAPI_OPENAPI = "F:/Documents/GitHub/pygeoapi/example-openapi.yml"
pygeoapi openapi generate $Env:PYGEOAPI_CONFIG --output-file $Env:PYGEOAPI_OPENAPI
```
Now we can start the server:
```
pygeoapi serve
```
And once the server is running, we can send requests, e.g. the list of processes:
```
curl.exe [localhost:5000] 
```
And, of course, execute the example “hello-world” process:
```
curl.exe --% -X POST [localhost:5000] -H "Content-Type: application/json" -d "{\"inputs\":{\"name\": \"hi there\"}}"
```
As you can see, writing JSON content for curl is a pain. Luckily, pyopenapi comes with a nice web GUI, including Swagger UI for playing with all the functionality, including the hello-world process:

It’s not really a geospatial hello-world example, but it’s a first step.

Finally, I wan’t to leave you with a teaser since there are more interesting things going on in this space, including work on OGC API – Moving Features as shared by the pygeoapi team recently:

So, stay tuned.
20:12
GRASS GIS: 2024 GRASS GIS Community meeting in Prague!
sur Planet OSGeo

The GRASS GIS team announces the annual Community Meeting!! The GRASS GIS Community Meeting will take place from June 14 to 19, 2024, at the NC State European Center in Prague, Czech Republic. Community meetings are great opportunities to support the development of GRASS GIS! Join us Write code Write documentation Translation Website design and content Integrations with other software (QGIS, GDAL, R, etc.) Plan for the future The community meeting is a get-together where supporters, contributors, power users and developers make decisions and tackle larger problems related to the project, discuss and fix bugs, draw the project roadmap and work on new features.
13:00
Fernando Quadro: Geoprocessamento no Agronegócio
sur Planet OSGeo

O geoprocessamento na agricultura reúne tecnologias e métodos essenciais para coletar, tratar e analisar diversos dados sobre a produção agropecuária.

Com isso o produtor pode ter acesso a imagens e mapas precisos, além de poder traçar planejamentos mais eficientes. Assim consegue aumentar a produtividade e se tornar mais competitivo.

Por isso, o investimento em tecnologias de geoprocessamento na agricultura é considerado fundamental para o produtor que quer melhorar seus resultados.

Mas, como isso pode ajudar o agricultor na prática? Vamos citar abaixo alguns benefícios:

Acesso a informações mais detalhadas sobre cada talhão
Identificação de tendências de produtividade
Permitir o trabalho com parceiros de negócio
Identificação de pragas e doenças
Controle de plantas daninhas

O uso do WebGIS vem sendo uma tendência que cresce a cada dia nesse setor. Sua possibilidade de interação e disponibilização de informações para o usuário é um elemento fundamental que faz com que este tipo de sistema de informação geográfica conectado à internet seja uma importante vertente para o futuro das geotecnologias.

Fonte: webgis.tech
Instagram: [https:]]
LinkedIn: [https:]]
11:00
Mappery: No Cigars!
sur Planet OSGeo

Reinder sent this pic, he said “In Amsterdam, they named the Balthasar Floriszstraat after a 17th C. mapmaker. In this street I ran into a rather peculiar world map. The caption says ‘No Cigars'”
MapsintheWild No Cigars!

9:58
Mapping the History of the Railway
sur Google Maps Mania

Martin Brake has created a number of interactive maps which visualize the historical development of transport networks in Germany, London, Paris and Barcelona. His Timemap Timelines project provides an animated map for each featured city which shows how its transit network has grown over time. For example the screenshot above shows the development of the London Underground between 1858 and 1947.

1:00
Camptocamp: Camptocamp Heads to FOSSGIS 2024
sur Planet OSGeo

Pièce jointe: [télécharger]

The Camptocamp team is gearing up for another great experience at the FOSSGIS conference.
17 March 2024
11:00
Mappery: Rishikesh Hostel
sur Planet OSGeo

Elizabeth is back in Rishikesh and sent thios pic from the lobby of her hostel
MapsintheWild Rishikesh Hostel
0:00
Ecodiv.earth: Download AHN data in GRASS GIS
sur Planet OSGeo
The AHN
The ‘Actueel Hoogtebestand Nederland’ (AHN, version 4) is the latest digital elevation model (DEM) of the Netherlands. It includes a digital terrain model (DTM) and a digital surface model (DSM). The former represents the bare ground surface without any features such as buildings, vegetation, or other structures, while the latter includes these features.

Both layers can be downloaded at 0.5 or 5 meter resolution in tiles of 6.5 by 5 km. Downloading one tile, which is approximately 500 MB, is doable. However, if you need more tiles, the arguably easier way is to download the data using the WCS (Web Coverage Service) protocol, which allows you to choose what part of the available data to download based on spatial constraints.
Import the DTM
This example shows the steps to download the 0.5 meter resolutiom DTM for the Land van Cuijk, a municipality in which our research group Climate-robust Landscapes is carrying out several studies. The first step is to get the r.in.wcs addon. With this addon, you can use the WCS protocol to download data ¹ ².
Install the r.in.wcs addon.

First step is to import the Python libraries. Note, this will not be repeated with the next scripts.
```
import grass.script as gs
```
Now, you can install the r.in.wcs addon using the g.extension function.
```
gs.run_command("g.extension", extension="r.in.wcs")
```
You need the g.extension function to install addons. In the main menu, go to Settings > Addons extension > Install extension from addon. Alternatively, type in g.extension on the command line. This will open the window shown below.

The g.extension function, started from the command line.
The r.in.wcs addon imports the raster layers using the resolution and extent of the current region. A crucial step, therefore, is to set the extent and resolution of the region so that it aligns perfectly with that of the AHN layer.
Set the extent and resolution to match those of the AHN.
```
gs.run_command("g.region",
    n=618750, 
    s=306250, 
    w=10000, 
    e=280000, 
    res=0.5)
```
Type in g.region on the command line or in the console. You can also find the function under main menu > Settings > Computational region > set region. This opens the following screen:

Set the bounds
Set the resolution
With this settings, you align the region with the AHN data set.

Next, download the administrative boundaries of the Dutch municipalities, and extract the boundaries of the “Land van Cuijk”.
Download layer with administrative boundaries of the neighborhood.
```
gs.run_command(
    "v.in.wfs",
    url="https://service.pdok.nl/cbs/wijkenbuurten/2022/wfs/v1_0?",
    output="municipalities",
    name="gemeenten",
)
```
Next, extract the boundaries of the municipality of “Land van Cuijk”
```
gs.run_command(
    "v.extract",
    input="municipalities",
    where="naam = 'Land van Cuijk'",
    output="LandvanCuijk",
)
```
Type in v.in.wfs on the command line or in the console. You can also find the function under main menu > File > Import vector data. This opens the following screen (you need to fill in parameters in two tabs):

Download the vector layer with the municipality boundaries. Define the base URL and the name of the output layer.
Download the vector layer with the municipality boundaries. Fill in the name of the WFS layer to download.
Extract the boundaries of the municipality of Land van Cuijk. Select the name of the vector layer with municipalities and give the name of the output layer.
Extract the boundaries of the municipality of Land van Cuijk. Fill in the query, which defines which features you want to select and save. Tip: Use the convenient query builder.
Now, you can set the region to match the extent of the vector layer, while taking care that the region aligns perfectly with the DTM.
- Step 4
Set the region to the correct extent and resolution.

First, get the north, south, east, and west coordinates of the bounding box of the vector layer and of the region’s extent.
```
region_tiles = gs.parse_command("g.region", 
    flags="gu")
region_munic = gs.parse_command("v.info", 
    flags="g", 
    map="LandvanCuijk")
```
Now, adjust the northern boundary of the bounding box of the vector layer so that it aligns with the AHN tiles.
```
from math import floor

n = float(region_tiles["n"]) - floor(
    (float(region_tiles["n"]) - float(region_munic["north"]))
)
s = float(region_tiles["s"]) + floor(
    (float(region_munic["south"]) - float(region_tiles["s"]))
)
w = float(region_tiles["w"]) + floor(
    (float(region_munic["west"]) - float(region_tiles["w"]))
)
e = float(region_tiles["e"]) - floor(
    (float(region_tiles["e"]) - float(region_munic["east"]))
)
gs.run_command("g.region", n=n, s=s, e=e, w=w)
```
And finally, import the DTM layer. Warming, this may take some time.
Import the DTM for the defined region.
```
gs.run_command(
    "r.in.wcs",
    url="https://service.pdok.nl/rws/ahn/wcs/v1_0?",
    coverage="dtm_05m",
    urlparams="GetMetadata",
    output="dtm_05",
)
```
The maximum floating-point value (3.4028235e+38) is not recognized as a NULL value. So use the setnull parameter in the r.null function to specify that this value has to be set to NULL.
```
gs.run_command("r.null", 
    map="dtm_05", 
    setnull=3.4028235e+38)
```
If this does not work (it didn’t for me), you can use the r.mapcalc function to set this value to NULL.
```
gs.run_command("r.mapcalc", 
    expression="dtm_05m = if(dtm_05m > 1000,null(),dtm_05m)",
    overwrite=True)
```
Fill in the WCS service URL
Get the overage name to request
To make it a bit easier, I combined steps 2, 4, and 5 in a new addon r.in.ahn. It is a bit rough around the edges (it only works in a Location with CRS RD New), but it serves its goal. I have submitted it to the GRASS GIS addon repository, so I hope it will be available in a week or so.
Footnotes
1. You are expected to be familiar with GRASS GIS and the concept of region used in GRASS GIS. If you are new to GRASS GIS, you are warmly recommended to first check out the GRASS GIS Quickstart and the explanation about the GRASS GIS database.??
2. Downloading the DTM for the whole municipality will take a while. If you want to speed up things, you can work with a smaller area by using your own vector data.??

16 March 2024
11:14
Visit a Virtual Medieval Farm
sur Google Maps Mania

Havrå is a collection of 36 medieval buildings in Western Norway. It is now a living museum which allows visitors to explore a traditional Norwegian cluster farm, a traditional community settlement where multiple individual farms and their houses were built close together.If you can't visit the Havrå living museum in person you can now explore the farm in virtual reality instead. The

11:00
Mappery: Contour Insoles for Hill Climbers
sur Planet OSGeo

Walter Schwartz said “Every Wednesday my hiking group covers about 15 km of distance and 500 meters of elevation, almost always “in the wild.” As one of us changed into hiking shoes I spotted this insole. It’s a kind of map that has seen plenty of wild!”

I think we may have had a similar insole picture in the past but this is such a great pic even if it is a repeat.
MapsintheWild Contour Insoles for Hill Climbers
15 March 2024
11:00
Mappery: Cape Geography Wine
sur Planet OSGeo

Rollo was drinking this tasty South African Malbec from the Cape Geography Co and was inspired to send us a pic before he finished the bottle!
MapsintheWild Cape Geography Wine

9:47
The 100 Most Segregated School Districts in America
sur Google Maps Mania

In the United States school district boundaries drawn onto economically and racially segregated neighborhoods ensure that most poor and non-white students receive a much worse education than students in the more affluent school districts.Back in 2016 NPR examined how school funding in the USA is used to ensure that the rich get the best schools. They created an interactive map which visualized

8:42
GRASS GIS: Cite GRASS with DOI
sur Planet OSGeo

Cite GRASS GIS and your geospatial data in scientific works - now with Digital Object Identifiers (DOI)! The GRASS GIS project celebrated its 40th birthday last year. Over the decades, GRASS GIS has spread around the globe and has enabled generations of researchers to conduct geospatial research in many fields of science. As a new feature, reflecting the current change towards data-driven science and the paradigms of Open Science (including Open Source) and the FAIR principles (Findable, Accessible, Interoperable, Reusable), GRASS GIS software can now be referenced by Digital Object Identifiers (DOI).
14 March 2024
15:02
GeoCat: GeoCat is the proud sponsor of the 128th OGC Member Meeting in Delft, the Netherlands
sur Planet OSGeo

GeoCat is happy to announce that we are the proud sponsor of the 128th OGC Member Meeting that takes place in Delft in the Netherlands from March 25th – March 28th, 2024.

The meeting’s theme is “GEO-BIM for the Built Environment” and there will be a GeoBIM Summit, a special session on Land Admin, a Built Environment Joint Session, a meeting of the Europe Forum, and several SWG and DWG meetings.

Join us and members of the OGC. We are looking forward to see you all in Delft.

Read more about the meeting on the OGC website.

The post GeoCat is the proud sponsor of the 128th OGC Member Meeting in Delft, the Netherlands appeared first on GeoCat bv.

14:00
Registration opens for OGC Innovation Days Europe 2024
sur Open Geospatial Consortium (OGC)

The Open Geospatial Consortium (OGC) is excited to announce that registration is open for OGC Innovation Days Europe. Held in conjunction with FOSS4G Europe 2024, on July 1-2, in Tartu, Estonia, the event will focus on themes of Climate and Disaster Resilience, One Health, and the corresponding Data Spaces. Registration is available here.

OGC Innovation Days Europe seeks to address stakeholders’ and policymakers’ need for digital solutions that can meet their requirements efficiently and in a user-friendly way. To this end, the event will bring internationally leading software development and data management experts together with non-technical experts – such as urban planners, policy makers, economists, and other beneficiaries of geospatial information – to exchange information and learn from each other. The stakeholders’ needs will be discussed and understood in depth while newly developed prototypes will be presented.

OGC is co-organizing Innovation Days Europe with the General Authority for Survey and Geospatial Information (GEOSA, Saudi Arabia) and FOSS4G-Europe.

The European IT landscape is changing rapidly. Several initiatives are underway, such as developing Data Spaces and Digital Twins, supporting the Green Deal, or otherwise trying to integrate the largely heterogeneous IT landscape. What do these mean for the leading challenges of our century? How can these predominantly technologically oriented efforts help with climate change and disaster resilience? Do they support Land Degradation Neutrality?

OGC Innovation Days Europe provides a platform to discuss how current technical efforts can be combined effectively with the necessary governance and policy aspects. What decision processes do we need? What agreements are required for efficient decision processes or homogeneous reporting models for, for example, Climate Change or Land Degradation Neutrality?
Thematic focus: Climate and Disaster Resilience, One Health, and Data Spaces.
Achieving climate and disaster resilience and sustainability requires reliable location information on the environment, land, and climate. Generating this information dedicated to the users’ needs is challenging. It needs highly optimized spatial data infrastructures and climate resilience information systems operated within a targeted policy framework and driven by an efficient policy model. Interoperable data pipelines and well-organized data spaces with their data assessment applications, combined with analysis, visualization, and reporting tools, are required to gain the knowledge to enroll climate strategies and actions.

OGC Innovation Days Europe will foster a dialogue between technical experts, decision-makers, and policy experts, with a focus on climate & disaster resilience, one health, the role of data spaces, and the need for modernized knowledge exchange and analysis environments.

OGC Innovation Days Europe supports the shift in IT solutions from being purely technology-oriented to a more holistic approach that better accounts for the various needs of the stakeholders. The event will identify these needs and thus make an essential contribution to improving the direction of future technological developments, supporting operational setups that are driven by efficient governance models and that operate within a solution-oriented policy framework.

OGC Innovation Days Europe 2024 is sponsored by OGC, the General Authority for Survey and Geospatial Information, Saudi Arabia, and the European Commission through the Horizon projects CLINT (GA-101003876), AD4GD (GA-101061001), USAGE (GA-101059950), Iliad (GA-101037643), EuroGEOSec (GA-101134335), CLIMOS (GA-101057690) and other projects of the Climate-Health Cluster.

OGC Innovation Days Europe will run in conjunction with FOSS4G Europe 2024 from July 1-2, in Tartu, Estonia. Learn more and register on the FOSS4G Europe 2024 website.

The post Registration opens for OGC Innovation Days Europe 2024 appeared first on Open Geospatial Consortium.

13:00
Fernando Quadro: Raster no PostGIS, vale a pena?
sur Planet OSGeo

Você sabe quais os benefícios e as armadilhas de colocar arquivos rasters em um banco de dados relacional?

A maioria das pessoas pensa que “colocar em um banco de dados” é uma receita mágica para: desempenho mais rápido, escalabilidade infinita e gerenciamento fácil.

Se você pensar que o banco de dados está substituindo uma pilha de arquivos CSV, isso provavelmente é verdade.

Porém quando o banco de dados está substituindo uma coleção de arquivos de imagens GeoTIFF, isso provavelmente é falso. O raster no banco de dados será mais lento, ocupará mais espaço e será muito chato de gerenciar.

Então, por que fazer isso? Comece com um padrão, “não!”, e então avalie a partir daí.

Para alguns dados raster não visuais e casos de uso que envolvem o enriquecimento de vetores de fontes raster, ter o raster colocalizado com os vetores no banco de dados pode tornar o trabalho com ele mais conveniente. Porém, ainda será mais lento que o acesso direto e ainda será difícil de gerenciar, mas permite o uso de SQL como uma linguagem de consulta, o que pode oferecer muito mais flexibilidade para explorar o espaço da solução do que um script de acesso a dados criado especificamente para esse fim.

Fonte: webgis.tech
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11:32
Flip Off the World with Street View
sur Google Maps Mania

AI and Street View seems like the perfect match. Last month panoramai released a fun tool which allowed users to change the appearance of Google Maps Street View images based on their own AI prompts. The app became so popular it had to be turned off because of the costs being incurred by the developers (you can still browse the example images created with the app).Now a new Ai and Street View

11:00
Mappery: One World
sur Planet OSGeo

Mark Iliffe spotted this neat t-shirt in a New York shop. You may need to enlarge the picture to appreciate it.

I want (L please).
MapsintheWild One World
13 March 2024
13:00
Fernando Quadro: Geoprocessamento na Gestão Rodoviária
sur Planet OSGeo

Quando falamos de Gestão Rodoviária, muito se discute em como aumentar a segurança e na diminuição de acidentes nas rodovias em geral.

Você sabia que podemos aplicar Geoprocessamento na Gestão Rodoviária para apoio na previsão das condições das rodovias?

O projeto Vision Zero, por exemplo, é uma iniciativa que tem o objetivo de reduzir a zero as mortes no trânsito, e o SIG e a análise espacial são ferramentas utilizadas para atingir esse objetivo.

Mas onde o Geoprocessamento entra na prática, e onde ele pode realmente contribuir? Veja:

Prevenção de riscos e acidentes;
Melhorias de acesso;
Mapeamento de estradas inundáveis;
Geotecnologias de detecção remota;
Dados GPS;
Aprendizado de máquina para prever locais de acidentes.

Fonte: webgis.tech
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Você já tinha pensado nessas possibilidades do Geoprocessamento? Conte nos comentários
11:00
Mappery: Geo-embellished Vending Machine
sur Planet OSGeo

Maarten Pullen sent us this pic of a vending machine that he spotted in Amsterdam.

If you are puzzled by this one, Maarten explained “The shot was taken in Amsterdam, at the Amsterdam School of Real Estate. They probably want to show some of their local identity to all the business people visiting there.”
MapsintheWild Geo-embellished Vending Machine

9:56
Climate Resilient Crops
sur Google Maps Mania

The Vision for Adapted Crops and Soils (VACS) has released an interactive map which visualizes how different crops will be affected by climate change in Africa. The visualization focuses on climate-resilient crop varieties in order to help identify the most promising crops for the changing climate.The VACS Explorer maps out where in Africa climate-resilient crops will likely have bigger and

9:12
Stefano Costa: Africa. Le collezioni dimenticate
sur Planet OSGeo

È finita a Torino la mostra “Africa. Le collezioni dimenticate” allestita nelle sale di Palazzo Chiablese. Sono riuscito a visitare la mostra pochi giorni fa. Mi è piaciuta molto.

La mostra è stata organizzata dai Musei Reali di Torino, dalla Direzione Regionale Musei Piemonte e dal Museo di Antropologia ed Etnografia dell’Università di Torino, ed è una intensa passeggiata nel voyeurismo e collezionismo italiano durante il lungo periodo della scoperta, conquista e razzia dell’Africa, fino agli orrori della guerra in Etiopia. Il percorso si snoda sui passi di molti personaggi, tutti uomini italiani: esploratori, ingegneri al servizio dell’espansione belga nel Congo, affaristi, membri della casa reale. Tutti accomunati dall’attività coloniale nelle sue diverse fasi storiche, e tutti prontamente rimossi dalla memoria collettiva al termine della seconda guerra mondiale. Altrettanto dimenticate le collezioni di oggetti africani che questi personaggi hanno fatto confluire a vario titolo nei musei italiani e in questo caso piemontesi.

Ad accompagnare la visita le installazioni di Bekele Mekonnen, in particolare il “site specific” dal titolo “The smoking table” ma anche le clip sonore lungo il percorso.

La mostra ha agitato tantissimo i fascisti dichiarati e quelli non dichiarati perché non usa giri di parole, perché chiama il colonialismo e il razzismo con il loro nome, perché mette le voci africane sullo stesso piano di quelle italiane. Il ricco programma pubblico ha coinvolto molte persone, anche originarie dell’Africa.
Parte dell’installazione “The smoking table” con scritte di colori diversi. In rosso sotto un braccio muscoloso: conspiracy, betrayal, greed, injustice, deception. In azzurro sotto due mani strette: honesty, fraternity, generosity, impartiality”
Le polemiche, tutte politiche e ben poco culturali, suonano come un brusio fastidioso se consideriamo il lavoro lunghissimo di preparazione della mostra, la quantità di musei con collezioni africane in tutto il Piemonte, la ricchezza del catalogo che affronta in dettaglio molte delle questioni sollevate ad arte, ad esempio il salario pagato ai lavoratori della Società Agricola Italo-Somala, veri “forzati della terra” anche nelle parole degli italiani dell’epoca.

Il paradosso sta nel fatto che questa mostra è molto blanda, se la inquadriamo nella cornice europea e occidentale bianca dei musei di antropologia e archeologia: dalla complessa operazione di continuo adattamento del Musée du Quai Branly di Parigi, al documentario Dahomey di Mati Diop che ha vinto l’Orso d’oro del Festival di Berlino pochi giorni fa, per finire al lavoro avviato nel 2016 da quello che oggi si chiama Museo delle Civiltà. È molto eloquente l’intervento del direttore Andrea Villani a un convegno di poche settimane fa, che potete rivedere su YouTube. Ho apprezzato questo passaggio:

Quello che allora aveva un senso oggi può non solo non avere un senso, ma può anche essere tossico. [..] La storia non si cambia. I musei non cambiano la storia, ma possono raccontarla per intero, accettando di mettere in crisi quello che è venuto prima

E poiché in Italia non siamo solo colonizzatori ma anche colonizzati e depredati, è bene sapere che alcuni musei degli USA sono seriamente alle prese con la provenienza delle proprie collezioni.
12 March 2024
15:59
Fernando Quadro: Última chance para se inscrever no Curso de GeoNode: garanta a sua vaga!
sur Planet OSGeo

NÃO FIQUE DE FORA!

Curso de GeoNode: Última Semana de inscrições!

Aprenda a montar a sua própria Infraestrutura de Dados Espaciais com o GeoNode, uma plataforma para gestão e publicação de dados geoespaciais que reúne projetos open-source maduros e estáveis sob uma interface consistente e fácil de usar, permitindo que os usuários, compartilhem seus dados de forma rápida e facil.

Este novo curso visa capacitar os profissionais no uso eficiente da plataforma GeoNode, e tem como objetivos:

Familiarizar os participantes com os conceitos fundamentais do Geonode e suas capacidades.
Explorar o funcionamento de servidores de mapas e seus benefícios.
Apresentar os padrões de dados do Open Geospatial Consortium (OGC), como Web Map Service (WMS) e Web Feature Service (WFS), para interoperabilidade geoespacial.
Demonstrar a publicação eficiente de dados no Geonode usando views de bancos de dados geográficos.
Ensinar a integração do Geonode com o QGIS através de plugins.

Quer saber mais?

O Curso é oferecido na modalidade EAD Ao Vivo, com uma carga horária de 18 horas divididos em 6 encontros. Porém, essas aulas são gravadas e ficam disponíveis ao aluno por 12 meses em nosso portal do aluno.

Então, se por acaso você não puder comparecer em alguma das aulas ao vivo, não se preocupe, você poderá rever a aula gravada a qualquer momento.

Ficou interessado?

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11:32
Markus Neteler: GRASS GIS 8.3.2 released
sur Planet OSGeo

The GRASS GIS 8.3.2 maintenance release contains more than 30 changes compared to 8.3.1. This new patch release includes important fixes and improvements to the GRASS GIS modules and the graphical user interface (GUI), making it even more stable for daily work.

The post GRASS GIS 8.3.2 released appeared first on Markus Neteler Consulting.
11:00
Mappery: Occular Cartographic Study
sur Planet OSGeo

Eric Lund said “Came across this eye-catching map at my eye doctor’s office this week and had to share it with you.” Well I am glad he did share it, what a cracking map in the wild! Here’s a bit more detail.

This piece was designed by Tad Bradley, the accompanying description says

‘Snellen’ and “Tumbling E’ eye charts: Ocular Cartographic Study

Although trained and currently practicing architecture at SMA Architecture + Design, Tad Bradley remains an artist and educator. He is continually fascinated with nature and the human body. The complexities within and between these are continually inspirational to investigate through art.
The scale of the eye charts is inspired by the art movement of hyperrealism. In reproducing the eye charts at such a large scale, they begin to hold a greater weight within space, possibly reminding us the value of our eyesight and the incredible value this sense and these organs bring to our lives.
The maps and text you see were originally printed in 1906. The series of oversized manuscripts, which focused on separate geographic regions, were titled ‘Geologic Atlas of the United States’, edited by S.J. Kubel. The maps here, in the waiting area, have been scanned and reprinted on metal panels in order to protect them from UV degradation from solar exposure.
Eye charts have been the tool opticians have used for many years to assist in initially analyzing visual acuity. Exploring a tool within art invites a different awareness of not only the object but the process of how it is used. These eye charts were created for specific groups of people. The Tumbling E chart is used for those unable to read or never learned the Latin alphabet. The shapes and their direction are universal to all. The Snellen eye chart contains eleven rows of diminishing Latin letters to assess vision.
Each 11? x 11? plywood panel has two layers of hand-cut paper [1906] to create visual contrast for viewers.
“I chose the text pages from the Atlas to expose the Tumbling E chart. I was interested in exploring the contrast of the text-heavy pages and their visual relationship to the simplified ‘E’ shapes. The maps, on the other hand, are filled with high-contrast colors and patterns, more easily revealing the letters of the Snellen eye chart.
One of my goals in creating this work was to analyze how we as humans experience the world, interact with one another, and stand alone as individuals. I hope that my work creates curiosity, questions and conversation”.
MapsintheWild Occular Cartographic Study

10:41
Real-time Air Pollution Alerts
sur Google Maps Mania

In February the Copernicus Atmosphere Monitoring Service (CAMS) launched an Aerosol Alerts service to provide warnings about upcoming air pollution. You can view an animated map of today's alerts on the Aerosol Alerts interactive map.Aerosols are tiny particles that are suspended in the air, which can come from both natural and human-made sources. Natural sources of aerosols include dust

11 March 2024
13:00
Fernando Quadro: Por que usar o PostGIS?
sur Planet OSGeo

Talvez você já tenha escutado algumas vezes a frase: “PostGIS é uma extensão espacial do PostgreSQL”.

Isso não significava que você tivesse ou tenha alguma ideia do que isso significa, e que você sabia o que é o PostgreSQL, quiçá o PostGIS.

Mas não se preocupe, você não sairá desse post sem saber o que é cada um deles.

PostGIS é um extensor de banco de dados espacial de código aberto e disponível gratuitamente para o PostgreSQL Database Management System (também conhecido como DBMS). Portanto, PostgreSQL (também conhecido como Postgres) é o banco de dados e PostGIS é como um complemento desse banco de dados.

Resumidamente, o PostGIS adiciona funções espaciais, como distância, área, união, interseção e tipos de dados de geometria ao PostgreSQL. Os bancos de dados espaciais armazenam e manipulam objetos espaciais como qualquer outro objeto no banco de dados.

E qual a vantagem de utilizá-lo?

Na prática temos algumas vantagens em utilizá-los, mas a principal é a possibilidade de trabalhar com grandes conjuntos de dados. Não é apenas mais fácil, mas às vezes é quase impossível trabalhar em conjuntos de dados maiores sem um banco de dados.

Você já tentou abrir um arquivo CSV de 2 GB?
Ou tentou fazer algum geoprocessamento para um GeoJSON de 800 mb?
Você sabia que os Shapefiles têm um limite de tamanho?

É claro que você pode resolver alguns desses problemas usando o Geopackage ou alguns outros formatos de arquivo, mas em geral o PostGIS é a ferramenta ideal para lidar com grandes volumes de dados (geoespaciais).

Fonte: webgis.tech
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11:23
Virtual Rewind Machines
sur Google Maps Mania

urban development of the Summerline West neighborhood in Las Vegas since 2014Esri's World Imagery Wayback is a virtual rewind machine which allows you to create animated GIFs of locations showing how they have changed over time. The World Imagery Wayback interactive map provides access to satellite imagery captured over a period of years, currently stretching back to February 20, 2014.

11:00
Mappery: Indigenous Australia
sur Planet OSGeo

Tony Rabin spotted this map of the indigenous peoples of Australia near the Qantas bording gate at LAX
MapsintheWild Indigenous Australia
10 March 2024
19:08
Stefano Costa: In…segnami il silenzio
sur Planet OSGeo

Ieri sera siamo andati al Teatro Gustavo Modena, qui vicino a casa, per uno spettacolo della stagione dedicata all’infanzia. Eravamo con altre famiglie, ci siamo persino fatti un aperitivo casalingo prima di andare, visto che iniziava alle sette e mezza.

Lo spettacolo si intitola “In…segnami il silenzio” e ha come protagonisti Marcello e Maria. Marcello ci racconta dell’arrivo di Maria nella sua classe, lei non parla e non sente, perché ha le “orecchie rotte”. Maria però sa ascoltare con gli occhi e sa parlare con la danza delle mani, con il viso, con tutto il corpo. Il rapporto tra Marcello e Maria è molto profondo, lui si lascia trasportare e insegnare. In cambio le fa vedere la musica che lei non può sentire, in particolare sulle note di una travolgente “Ça plane pour moi”.

Lo spettacolo è rivolto ai bambini anche se non è facilissimo, ma tratta in modo fiabesco, senza filtri e un po’ scanzonato il tema della disabilità, che non è solo la sordità di Maria ma anche la “distrazione” di Marcello che la maestra gli rimprovera.

Ci è piaciuto molto.

Alla fine un appello della regista Elena Dragonetti per il cessate il fuoco a Gaza è stato accolto da un lungo applauso.

Locandina dello spettacolo sul sito del Teatro nazionale di Genova

Plastic Bertrand – Ça plane pour moi
12:48
Mappery: Mappery Featured in The New York Times
sur Planet OSGeo

A few weeks ago I did an interview with Eve Kahn for a piece she was writing for The NewYork Times about what she calls “Cartifacts” which are a subset of Maps in the Wild. Mappery gets a very nice write up of course and I recommend the whole piece to my map loving friends.
MapsintheWild Mappery Featured in The New York Times
11:00
Mappery: Archer Field
sur Planet OSGeo

Marianne Pietersen sent us these pics from her visit to Archer Field.

“Last year I went to a lecture at Archer Field, Brisbane, about the history of the Dutch military camp there,
during WW2. In a side room of the airport building was a small amount of photos from those days, including the attached 3 maps of the Field. The exhibition is permanent (for now at least.) ?”

Today the spelling has been concatenated to Archerfield but the title pane of the map makes clear that in the past it was Archer Field.

More info on the history of Archer Field airport
MapsintheWild Archer Field
09 March 2024
11:00
Mappery: Switzerland in 3D Magnificence
sur Planet OSGeo

This stunning relief map was sent to us by Scott Simmons who spotted it at the Swiss National Museum in Zurich.
MapsintheWild Switzerland in 3D Magnificence

10:00
Not Everyone Commutes by Car
sur Google Maps Mania

In Canada and the United States 95% of journeys to and from work are made by car. Elsewhere in the world people often walk, cycle or use public transport in order to get to work.Cities Moving is a research project by the Complexity Science Hub of the University of Vienna, which analysed the mode of transport most commonly used for commuting to work in 794 cities in 61 countries around the

08 March 2024
13:00
Fernando Quadro: Você conhece o MobilityDB?
sur Planet OSGeo

Dispositivos de rastreamento de localização, como GPS, são hoje amplamente utilizados em smartphones e veículos. Como resultado, os dados de trajetória geoespacial estão atualmente sendo coletados e usados ??em muitos domínios de aplicação. O MobilityDB fornece o suporte de banco de dados necessário para armazenar e consultar esses dados de trajetória geoespacial.

MobilityDB é implementado como uma extensão do PostgreSQL e PostGIS. Ele implementa tipos de banco de dados persistentes e operações de consultas para gerenciar trajetórias geoespaciais e suas propriedades que variam no tempo.

Uma trajetória geoespacial é geralmente coletada como uma sequência de pontos de localização e informações de data e hora. Na realidade, porém, o movimento é contínuo. Portanto, o MobilityDB interpola a trilha de movimento entre as informações de entrada. Como tal, a localização e as propriedades do objeto em movimento podem ser consultadas, efetivamente aproximadas, a qualquer momento.

Embora esta interpolação restaure a continuidade do movimento, ela não corresponde a um aumento no tamanho do armazenamento. Pelo contrário, permite descobrir informações redundantes e removê-las. Assim, apenas as informações onde ocorre uma mudança significativa na velocidade/direção são retidas. Esse processo é chamado de normalização e geralmente resulta em uma redução significativa no tamanho do armazenamento em comparação com os pontos de entrada.

Mas na prática, como funciona esse gerenciamento realizado pela extensão?

Pense em obter a velocidade média de um trem em movimento, sem nenhum código SQL longo, usando uma função e pronto.
Ou em armazenar dados GPS de forma muito compacta em uma única linha/coluna e ser capaz de fazer consultas complexas com muito pouco SQL.

É essa praticidade que o MobilityDB vai te proporcionar.

Você já tinha ouvido falar dessa extensão do PostgreSQL/PostGIS? Conte nos comentários

Fonte: webgis.tech
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11:00
Mappery: Mosaic map of Delft
sur Planet OSGeo

Impressive mosiac map of Delft, posted by Hans van der Kwast @hansakwast@fosstodon.org
MapsintheWild Mosaic map of Delft

9:40
Global Climate Change Impacts
sur Google Maps Mania

We have just experienced the warmest February on record. That makes it nine months in a row which have broken all previous record global temperatures. This means that over the last twelve months the world has exceeded 1.5 °C global heating compared to pre-industrial temperatures. The goal of 1.5 °C was set by the 2015 Paris Agreement because scientists believe that global heating above 1.5°C

1:00
GeoServer Team: How to Publish a GeoTIFF file in GeoServer
sur Planet OSGeo
GeoSpatial Techno is a startup focused on geospatial information that is providing e-learning courses to enhance the knowledge of geospatial information users, students, and other startups. The main approach of this startup is providing quality, valid specialized training in the field of geospatial information.

( YouTube | LinkedIn | Facebook | Reddit | X )
Publishing a GeoTIFF file in GeoServer
In this session, we want to talk about “How to Publish a GeoTIFF file in GeoServer” comprehensively. If you want to access the complete tutorial, simply click on the link.

Introduction
The GeoTIFF is a widely used geospatial raster data format, it is composed of a single file containing both the data and the georeferencing information. By default, GeoTIFF will be an option in the Raster Data Sources list when creating a new data store.

Note. In this blog post, we used GeoServer version 2.20.0.
Add a GeoTIFF data
To add a GeoTIFF data in GeoServer, follow these steps:
- Navigate to Data > Stores page, then click on the Add new Store link.
- Select the desired workspace from the drop-down menu.
- Enter the Data Source Name, make sure the Enabled option is checked. If checked, it enables the store. If unchecked (disabled), no data in the GeoTIFF will be served from GeoServer.
- In the URL under the Connection Parameters, browse to the location of the GeoTIFF file then press the Save button.
- Now you will be redirected to the New Layer page automatically and to add a layer for an available resource click on the Publish link.
- Check the Name, Coordinate Reference Systems and the Bounding Boxes fields are properly set and press the Save button.
Layer Groups
In Geoserver, a layer group serves as a convenient container for organizing layers and other layer groups in a structured hierarchy. By assigning a single layer to a layer group in WMS requests, the process of making requests is simplified as instead of specifying multiple individual layers, only one layer needs to be indicated. Furthermore, a layer group establishes a set order for the layers within it and enables the specification of alternative styles for the layers, distinct from their default settings.
Add a Layer Group
- To create a Layer Groups, navigate to Data > Stores page. Click on Add a new layer group link. The initial fields allow you to configure the name, title, abstract and workspace of the layer group. Enter the Data Source Name and Title.
- The Enabled checkbox, if disabled, will cause the layer group to just show up at configuration time, while the Advertised checkbox, if unchecked, will make it to not be available in GetCapabilities request and in the layer preview. The behaviour of layer group regarding both checkboxes will not affect the behaviour of any of the layers being grouped, which will follow respectively that specified in the corresponding edit page.
  
  Note. In the layer group section, Workspace selection is optional.
- The Bound section contain the data BoundingBox of this layer group in the native coordinate reference system. The input can be done manually or automatically with the help of Generate Bounds.
  
  Note. By default, a layer group is queryable when at least a child layer is queryable. Uncheck Queryable box if you want to explicitly indicate that it is not queryable independently of how the child layers are configured.
- To add more layers to the Layer Group list, you can press the Add Layer… button at the top of the table. From the popup window, select the layer to be added by clicking the layer name.
- A layer group can be added by pressing the Add Layer Group… button at the top of the table. From the list of layer groups, select the appropriate layer group’s name.
- A style group is a style that has one or more Named Layers which reference layers that exist in the catalog. Style groups can be added to Layer Groups as an alternative way of defining a collection of styled layers. To add it, press the Add Style Group… button at the top of the table and from the popup window, select the style group to be added by clicking its name.
- Press the generate bounds button to have geoserver compute the group bounds from the layers inside of it.
  
  Note. A layer group can contain layers with dissimilar bounds and projections. GeoServer automatically reprojects all layers to the projection of the layer group.
- When a layer group is processed, the layers are rendered in the order provided, so the publishable elements at the bottom of list will be rendered last and will show on top of the others. A publishable element can be positioned higher or lower on this list by pressing the green up or down arrows, respectively, or can be simply dragged in the target position.
- Metadata links allows linking to external documents that describe the data of layer group. Keywords make possible to associate a layer group with some keywords that will be used to assist catalog searching.
- Press Save button to create the new layer group.
Preview a Layer Group
So in order to preview the created layer, navigate to the Data > Layer Preview page and enter the name of your layer group in the search box, then press Enter button. Click on the OpenLayers link for a given layer and the view will display. An OpenLayers map loads in a new page and displays the group layer with the default styles. You can use the Preview Map to zoom and pan around the dataset, as well as display the attributes of features by click on each feature.
Using WMS layers in QGIS
To display a WMS layer in QGIS software, follow these steps:
- Open GQIS and navigate to Layer > Add Layer > Add WMS/WMTS Layer.
- To create a new service connection, from the Layers tab, press New button.
- Name your connection from the Connection Details. Next, from the URL textbox, you need to access a WMS layer as HTTP address of Web Map Server. In this case, name the connection as My Project and the URL as http://localhost:8080/geoserver/project/wms and press OK. Note that the “project” refers to the workspace defined in Geoserver.
- Press the Connect button to fetch the list of layers available, then press Add button and Close.
- Now, you will see the layer loaded in the QGIS canvas. You can zoom/pan around just like any other layer. The way WMS service works is that every time you zoom/pan, it sends your viewport coordinates to the server and the server creates an image for that viewport and return it to the client. So there will be some delay before you see the image for the area after you have zoomed in. Also, since the data you see is an image, there is no way to query for attributes like in a regular vector/imagery layer.
1:00
Camptocamp: OSGeo - OGC - ASF Code Sprint in Évora, Portugal
sur Planet OSGeo

Pièce jointe: [télécharger]

This unique gathering brought together key players in the field, including Camptocamp, a prominent contributor to the OsGeo community and a leading player in the steering committees of many of the association's projects.
07 March 2024
13:00
Fernando Quadro: Comparando GeoNode e ArcGIS Online: Qual é o certo para você?
sur Planet OSGeo

GeoNode e ArcGIS Online são plataformas de software GIS (Geographic Information System) que permitem a criação e o compartilhamento de mapas e aplicativos web. No entanto, existem diferenças importantes entre as duas plataformas que podem influenciar na escolha da solução mais adequada para suas necessidades. Este artigo tem como objetivo fornecer uma comparação entre essas plataformas, com foco em recursos, funcionalidades e sua adequação para instituições governamentais, empresariais e acadêmicas.

Funcionalidades

O Geonode é uma plataforma open-source com foco na catalogação, visualização e compartilhamento de dados geoespaciais, que apresenta facilidade de uso, gerenciamento e integração com diversas ferramentas e serviços web OGC (Open Geospatial Consortium).

O ArcGIS Online é uma plataforma robusta para criação de mapas e aplicativos WebGIS que possui uma ampla gama de funcionalidades para análise espacial, geoprocessamento e gerenciamento de dados, além da integração com outras plataformas ArcGIS e ferramentas da Esri.

Curva de aprendizado

O Geonode possui uma interface amigável e intuitiva, facilitando o aprendizado para iniciantes por meio de uma documentação completa e uma comunidade ativa que oferece suporte e ajuda aos usuários. Além disso, o Geonode possui uma curva de aprendizado mais suave para usuários com pouca ou nenhuma experiência em GIS.

O ArcGIS Online é uma plataforma mais complexa, com uma curva de aprendizado mais acentuada, o que requer conhecimentos técnicos em GIS para configuração, administração e desenvolvimento de aplicações. Essa plataforma possui documentação extensa e abrangente, com diversos recursos de aprendizado.

Documentação

A documentação do Geonode é recomendada para usuários iniciantes em GIS que buscam uma documentação mais simples e direta e para usuários que desejam configurar e usar a plataforma rapidamente.

O ArcGIS Online é recomendado para usuários experientes em GIS que buscam uma documentação completa e abrangente e para usuários que desejam explorar todos os recursos da plataforma.

Taxas de licenciamento e custos de assinatura

GeoNode: Sendo de código aberto, o GeoNode é totalmente gratuito para baixar, usar e modificar. Não há taxas de licenciamento ou custos de assinatura associados ao uso da plataforma.

ArcGIS Online: O ArcGIS Online exige uma taxa de licenciamento, que pode ser substancial, especialmente para organizações maiores ou com necessidades complexas de GIS. Além disso, poderão ser incorridos custos contínuos de assinatura para acesso a atualizações e suporte.

Personalização e Desenvolvimento

O GeoNode: A natureza de código aberto do GeoNode permite ampla personalização e desenvolvimento. As organizações podem adaptar a plataforma às suas necessidades específicas sem incorrer em custos adicionais com ferramentas de desenvolvimento proprietárias.

ArcGIS Online: A personalização no ArcGIS Online pode exigir o uso de ferramentas e APIs proprietárias, potencialmente levando a taxas de licenciamento ou custos de desenvolvimento
adicionais.

Escalabilidade e flexibilidade

GeoNode: A escalabilidade do GeoNode não está vinculada a níveis de licenciamento ou níveis de assinatura. As organizações podem dimensionar a implantação do GeoNode conforme necessário, sem incorrer em custos adicionais de licenciamento.

ArcGIS Online: O dimensionamento do ArcGIS Online pode exigir a compra de licenças adicionais ou níveis de assinatura, o que pode se tornar caro à medida que as necessidades de GIS de uma organização aumentam.

Mas enfim, quando devo usar cada uma das ferramentas?

Use o GeoNode se fizer parte de uma pequena, média ou grande organização com necessidades essenciais de mapeamento e compartilhamento de dados geoespaciais e que, além disso, busque uma solução open-source, fácil de usar e sem custos de licenças.

Use o ArcGIS Online se fizer parte de uma grande organização com recursos que possua necessidades complexas de GIS e que busquem uma plataforma robusta e com ampla gama de funcionalidades para usuários que já estão familiarizados com outras plataformas ArcGIS e ferramentas da Esri.

Ficou interessado?

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10:16
The Distressed Communities of America
sur Google Maps Mania

The Distressed Community Index from the Economic Innovation Group reveals the levels of economic well-being in all US neighborhoods. The Index uses seven different metrics to give every zipcode area a score out of 100, ranging from the most prosperous (0) to the most distressed (100).You can explore which neighborhoods in your city are the most and least distressed on the 2024 Distressed

06 March 2024
13:00
Fernando Quadro: Os 5 benefícios da Infraestrutura de Dados Espaciais
sur Planet OSGeo

A Infraestrutura de Dados Espaciais (IDE) é uma ferramenta essencial no Geoprocessamento, oferecendo uma série de benefícios. Com a utilização da IDE, é possível organizar, armazenar e compartilhar dados espaciais de forma eficiente, facilitando o acesso e a análise dessas informações.

Princípios como a padronização e a interoperabilidade são fundamentais para o bom funcionamento da IDE, garantindo a qualidade e a integridade dos dados. Além disso, fatores históricos, como o avanço da tecnologia e a democratização do acesso à informação, contribuíram para o desenvolvimento e a popularização da Infraestrutura de Dados Espaciais.

Os benefícios:

Melhor organização e gestão dos dados
Maior eficiência na análise espacial
Facilidade no compartilhamento de informações
Melhor tomada de decisões
Estímulo à inovação e desenvolvimento tecnológico

As aplicações da IDE são diversas, abrangendo áreas como planejamento urbano, gestão ambiental, agricultura, transporte e muitas outras. Através da utilização de mapas e análises espaciais, é possível obter informações valiosas para a tomada de decisões, contribuindo para o desenvolvimento sustentável e a melhoria da qualidade de vida.

E onde o GeoNode se encaixa nisso?

O GeoNode é uma plataforma para gestão e publicação de dados geoespaciais que reúne projetos open source maduros e estáveis sob uma interface consistente e fácil de usar. Com ele você consegue implantar sua IDE de forma fácil e prática.

Quer saber mais?

O Curso é oferecido na modalidade EAD Ao Vivo, com uma carga horária de 18 horas divididas em 6 encontros. Porém, essas aulas são gravadas e ficam disponíveis ao aluno por 12 meses em nosso portal do aluno.

Então, se por acaso você não puder comparecer em alguma das aulas ao vivo, não se preocupe, você poderá rever a aula gravada a qualquer momento.

Em comemoração ao aniversário de 12 anos da Geocursos, estamos disponibilizando pra você R$ 100 de desconto, basta utilizar o cupom GEOCURSOS12ANOS

Ficou interessado?

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10:04
There are 2,773 stories in the Naked City
sur Google Maps Mania

The 1960's procedural police series the Naked City used to conclude every episode with the line: "There are eight million stories in the naked city. This has been one of them." If there are eight million stories in New York then The City has got quite a long way to go before it is finished reporting on them. So far it has managed to find only 2,773 stories in NYC.The City asked ChatGPT to find

8:19
OPENGIS.ch: INTERLIS Crashkurs Webinar
sur Planet OSGeo
Der Crashkurs dauert 2.5 Stunden via Google Meet (kein Google Konto erforderlich) und kostet 90 CHF pro Person.
Beschreibung
Ziel dieses Crashkurses ist es, “blutigen Anfänger:innen” INTERLIS näher zu bringen. Nach dem Crashkurs werden sie wissen, was INTERLIS ist, wie es angewendet wird und wie ein Modell gelesen wird und man sich darin zurechtfindet. Weiter werden sie fähig sein, ein einfaches Beispielmodell selbst zu modellieren.
Vorkenntnisse
Keine.
Software
Keine. Das Webinar ist primär frontal und es muss keine Software vorinstalliert werden.

Um gleich ein bisschen mitzumachen, können aber optional folgende Tools installiert werden, im Idealfall auf einem separaten Bildschirm:
- Aktuelle QGIS LTR Version für Windows, macOS oder Linux https://download.qgis.org.
- VS Code Texteditor
Kurskalender und Anmeldung
4:38
Adam Steer: Image transects for ecological assessment
sur Planet OSGeo

Sometimes we don’t need to create full blown orthophotos and 3D models to understand things. Just seeing an image in a location context is enough. With this in mind, I was recenly tasked by Taungurung Land and Waters Council to collect a set of baseline images along preset transects for ecological assessment. The transects were… Read More »Image transects for ecological assessment
05 March 2024
17:29
GeoSolutions: GeoSolutions at CalGIS in Visalia, California – March 18-20, 2024
sur Planet OSGeo

You must be logged into the site to view this content.
13:00
Fernando Quadro: O que é um WebGIS
sur Planet OSGeo

WebGIS é uma tecnologia usada para exibir e analisar dados espaciais na Internet. Ele combina as vantagens da Internet e do GIS oferecendo um novo meio de acessar informações espaciais sem a necessidade de você possuir ou instalar um software GIS.

A necessidade de divulgação de dados geoespaciais têm estimulado cada vez mais o uso de ferramentas WebGIS para apresentações interativas de mapas e de informações relacionadas por meio da internet.

As soluções adotadas na apresentação destes mapas devem apresentar um equilíbrio entre facilidade de uso, riqueza de recursos para visualização e navegação entre os dados, e funcionalidades geoespaciais para pós-processamento, características que devem ser adequadas para cada perfil de usuário que acessará o WebGIS.

Fonte: webgis.tech
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9:47
gvSIG Team: Coordinación CArtográfica en el Sistema de Administración del Territorio (CCASAT)
sur Planet OSGeo

Compartimos información sobre CCASAT un grupo de trabajo de expertos en administración del territorio del cual la Asociación gvSIG formamos parte.

Coordinación CArtográfica en el Sistema de Administración del Territorio (CCASAT) es un grupo con sede en la Universitat Politécnica de València, España; en el Departamento de Ingeniería Cartográfica, Geodesia y Fotogrametría (DICGF) y en la Escuela Técnica Superior de Ingeniería Geodésica, Cartográfica y Topográfica (ETSIGCT), cuyos objetivos principales son:

Apoyo, colaboración e investigación en todos aquellos ámbitos relacionados con la información cartográfica que permita una administración efectiva del territorio (como la información catastral, y/o la información registral, o similar), y fundamentalmente en aspectos que sirvan de apoyo para conseguir seguridad en la tenencia de la tierra, y valoración con efecto administrativo. Fomentando la difusión, transferencia de conocimientos, investigación, coordinación, consultoría y optimización de recursos.

CCASAT está enfocado principalmente a España y Latinoamérica, siendo el idioma principal el español.

http://www.ccasat.upv.es

9:37
Attacks on the Press Map 2023
sur Google Maps Mania

More journalists have been killed in the Israel-Gaza war zone in the last three months than have ever been killed in a single country over the course of an entire year. In fact according to the Committee to Protect Journalists' annual report, Attacks on the Press, nearly 75% of journalists killed around the world in 2023 died in Israel’s war on Gaza.You can explore the results of the CPJ's

04 March 2024
13:00
GeoTools Team: GeoTools 31-RC Release Candidate
sur Planet OSGeo

 The GeoTools team is pleased share a release candidate  GeoTools 31-RC: geotools-31-RC-bin.zip  geotools-31-RC-doc.zip  geotools-31-RC-userguide.zip  geotools-31-RC-project.zip  This release candidate is also available from the OSGeo Maven Repository and is made in conjunction with GeoServer 2.25-RC. The release was made by Jody Garnett (GeoCat).Testing
10:47
Stefano Costa: ènostra e la transizione energetica dal basso a Savona
sur Planet OSGeo

Venerdì 1 marzo ero a Savona per parlare di transizione energetica dal basso alla Società di Mutuo Soccorso Fornaci, insieme al gruppo territoriale di ènostra. Ci avevano invitati il comitato No rigassificatore e il comitato Fermiamo il mostro per una serata insieme a due associazioni genovesi con cui collaboriamo spesso, Cittadini sostenibili e CER Sole.

Savona e Vado Ligure non assistono passivamente alle scelte assurde dei politici regionali e locali di accogliere un rigassificatore che inquina il mare, deturpa il territorio con tutto il gasdotto necessario a terra, contribuisce a inquinare l’aria rimanendo ancorati alle fonti fossili e arricchendo le grandi multinazionali. C’è stato un risveglio che ha portato a una lunga catena umana lungo la costa, tante mobilitazioni e molti resistono all’idea di avere dei benefici “compensativi”.

La serata è stata lunga e la partecipazione grande, nonostante la pioggia. Si è parlato dei danni che derivano dalle fonti fossili per il clima e per la salute, delle false notizie sulle rinnovabili, delle comunità energetiche. E io ho presentato le attività di ènostra. Ero piuttosto stanco ma con l’aiuto degli altri soci del gruppo territoriale ho spiegato cosa fa la cooperativa, che principi la guidano e l’importanza della partecipazione alle scelte energetiche al di là del cambio di fornitura. Non tutta l’energia rinnovabile è uguale e quella fatta dal basso, attenta agli impatti sociali e ambientali è quella che preferiamo.

L’accoglienza del comitato è stata molto generosa e sono contento che sia nato questo legame.

Cos’è una cooperativa energetica e cosa fa in concreto (video Youtube)

9:55
Can you Draw Europe?
sur Google Maps Mania

Huge Quiz's Europe Country Drawing Challenge has quickly become my new favorite online game. This is despite the fact that I am absolutely terrible at it and have yet to achieve anything other than a totally embarrassing score.The premise of the Europe Country Drawing Challenge is very easy. All you have to do is draw European countries on top of a satellite map of Europe. For each country you

1:00
GeoServer Team: GeoServer 2.25-RC Release
sur Planet OSGeo
GeoServer 2.25-RC release is now available with downloads (bin, war, windows), along with docs and extensions.

This is a release candidate intended for public review and feedback. GeoServer 2.25-RC is made in conjunction with GeoTools 31-RC, and GeoWebCache 1.25-RC.

Thanks to Jody Garnett (GeoCat) for making this release.
Why share a release candidate?
A sensible question to ask is why a “release candidate” is being produced at all - when we do not recommend running such a thing in production.

GeoServer also follows a “release early, release often” approach which is where the project shares releases so you can test and provide feedback.

This results in a lovely balance:
- The GeoServer developer has already tested on the data and data sources they got handy.
- The users of GeoServer have access to a much greater variety in data and and use cases to test with.
  
  Please try out this release candidate and let us know how it works for you.
- Bonus: By testing with your data directory you are assured that the next GeoServer will work well for you and your team.
This balance of a community sharing and each doing what they can they can do easily, is a nice thing about the open-source approach: the result is software we can trust and works well.

Thank you for being part of the GeoServer community. Testing and feedback is welcome by email and bug reports.
Upgrade Notes
We have a number of configuration changes when updating an existing system:
- The longstanding ENTITY_RESOLUTION_ALLOWLIST setting has been recommended as a way to control the locations available for external entity resolution when parsing XML documents and requests.
  
  The default has changed from * (allowing any location) to allowing the recommended www.w3.org, schemas.opengis.net, www.opengis.net locations used for OGC Web Services, along with the inspire.ec.europa.eu/schemas location used by our friends in Europe.
- The FreeMarker Template HTML Auto-escaping is now enabled by default.
- The spring security firewall is now enabled by default.
- A new configuration setting is available to limit content served from the geoserver/www folder.
  
  If you have not met the www folder before it is used to share content, and there is a tutorial serving static files.
- We do add recommendations to production considerations over time, if you have not checked that page in a while please review.
Thanks to Steve Ikeoka and Jody Garnett for these improvements.
Security Considerations
This a reminder to update to GeoServer 2.24.2 Release (or GeoServer 2.35.5 Release).

Alongside the upcoming GeoServer 2.25.0 release we will “publicly disclose” a list of Common Vulnerabilities and Exposures that have been addressed previously.
- If you are working with a commercial support provider that volunteers with the geoserver-security email list they are already informed.
- If you have updated to GeoServer 2.24.2 Release (or GeoServer 2.23.5 Release) you are already patched.
I hope you enjoy our team’s effort to improve communication. The use of the CVE system allows us to reach a wider audience than reads these blog posts.

See the project security policy for more information on how security vulnerabilities are managed.
Experimental Java 21 support
GeoServer, along with GeoTools and GeoWebCache, are now tested to build and pass tests with Java 21.

This is not yet an endorsement to run GeoServer in production with Java 21. We are looking ahead at the 2024 roadmap, and are making sure the basics are covered for the newer Java releases.
JTS fast polygon intersection enabled by default
The JTS Next Generation polygon intersection algorithm has been enabled by default, which will improve performance of a number of operations, including WPS processes and the vector tiles generation. We deem the functionality well tested enough that it should be opened to the majority of users, even if it’s still possible to turn it off by adding the -Djts.overlay=old.

MapML Extension
The MapML extension is receiving a number of updates and improvements, with more to come in the following months. It’s now possible to declare “Tiled CRS” as the CRS for a layer, with the implication not just of the CRS, but also of the gridset that will be used by the MapML viewer:

This portion builds on top of the work done months ago to support astronomical CRSs, which allows GeoServer to support multiple CRS authorities.

The MapML preview links are now using the new MapML output format, while the old dedicated REST controller has been removed. This allows for better integration of the MapML format in the GeoServer ecosystem. The MapML viewer has also been updated to the latest version:

Thanks to Joseph Miller and Andrea Aime (GeoSolutions) for this work, and Natural Resources Canada for sponsoring it.
Community Module Updates
Much of the new activity in GeoServer starts as a community module. We’d like to remind you that these modules are not yet supported, and invite you to join the effort by participating in their development, as well as testing them and providing feedback.
Raster attribute Table community module
Developed as part of GEOS-11175, the Raster Attribute Table community module uses the GDAL Raster Attribute Table (RAT) to provide a way to associate attribute information for individual pixel values within the raster, to create styles as well as to provide a richer GetFeatureInfo output.

For more information see the user guide.

We’d like to thank Andrea Aime (GeoSolutions) for the development and NOAA for sponsoring.
Graticules for WMS maps
The graticules community module, developed as part of GEOS-11216, provides a datastore generating graticules for WMS maps, along with a rendering transformation that can be used to label them. The module can be used to draw a graticule in WMS maps, as well as to download them as part of WFS (or in combination with the WPS download module).

We’d like to thank Ian Turton for development and GeoSolutions for sponsoring the work.
GeoServer monitor Kafka storage
The monitoring Kafka storage module, developed as part of GEOS-11150, allows storing the requests captured by the monitoring extension into a Kafka topic.

We’d like to thank Simon Hofer for sharing his work with the community. To learn more about the module, how to install and use it, see the user-guide.
JWT Headers
The JWT headers module has been developed as part of GEOS-11317.

The module is a new authentication filter that can read JWT Headers, as well as general JSON payloads and simple strings, to identify a user, as well as to extract their roles. The combination of Apache mod_auth_openidc with geoserver-jwt-headers-plugin provides an alternative to using the geoserver-sec-oauth2-openid-connect-plugin plugin.

We’d like to thank David Blasby (GeoCat) for this work on this module.
Full Release notes
New Feature:
- GEOS-11225 [AuthKey] AuthKey synchronize the user/group automatically
MapML:
- GEOS-10438 ENTITY_RESOLUTION_ALLOWLIST property not parsing empty setting
- GEOS-11207 Refactor MapML MVC controller as GetMap-based operation with standard parameter format
- GEOS-11221 mkdocs preflight rst fixes
- GEOS-11289 Enable Spring Security Stric [HttpFirewall] by default
- GEOS-11297 Escape WMS GetFeatureInfo HTML output by default
- GEOS-11300 Centralize access to static web files
Improvement:
- GEOS-11130 Sort parent role dropdown in Add a new role
- GEOS-11142 Add mime type mapping for yaml files
- GEOS-11148 Update response headers for the Resources REST API
- GEOS-11149 Update response headers for the Style Publisher
- GEOS-11152 Improve handling special characters in the Simple SVG Renderer
- GEOS-11153 Improve handling special characters in the WMS OpenLayers Format
- GEOS-11155 Add the X-Content-Type-Options header
- GEOS-11173 Default to using [HttpOnly] session cookies
- GEOS-11176 Add validation to file wrapper resource paths
- GEOS-11213 Improve REST external upload method unzipping
- GEOS-11222 Include Conformance Class for “Search” from OGC API - Features Part 5 proposal
- GEOS-11226 Enable JTS OverlayNG by default
- GEOS-11246 Schemaless plugin performance for WFS
- GEOS-11247 Avoid HTML annotations special status in APIBodyProcessor
- GEOS-11248 Move version header handling from APIBodyMethodProcessor to APIDispatcher
- GEOS-11260 JNDI tutorial uses outdated syntax
- GEOS-11288 Improve input validation in ClasspathPublisher
- GEOS-11289 Enable Spring Security Stric [HttpFirewall] by default
- GEOS-11298 When a Raster Attribute Table is available, expose its attributes in GetFeatureInfo
Bug:
- GEOS-11050 jdbc-store broken by changes to Paths.names
- GEOS-11051 Env parametrization does not save correctly in AuthKey extension
- GEOS-11145 The GUI “wait spinner” is not visible any longer
- GEOS-11182 Avoid legends with duplicated entries
- GEOS-11187 Configuring a raster with NaN as NODATA results in two NaN in the nodata band description
- GEOS-11190 GeoFence: align log4j2 deps
- GEOS-11203 WMS GetFeatureInfo bad WKT exception for label-geometry
- GEOS-11224 Platform independent binary doesn’t start properly with default data directory
- GEOS-11250 WFS GeoJSON encoder fails with an exception if an infinity number is used in the geometry
- GEOS-11278 metadata: only selected tab is submitted
- GEOS-11312 Used memory calculation fix on legend WMS request
Task:
- GEOS-11242 Remove the Xalan library
- GEOS-11315 Revert to CORS commented out
- GEOS-11318 Update postgresql to 42.7.2
- GEOS-11134 Feedback on download bundles: README, RUNNING, GPL html files
- GEOS-11141 production consideration for logging configuration hardening
- GEOS-11159 Update mapfish-print-lib 2.3.0
- GEOS-11180 Update ImageIO-EXT to 1.4.9
- GEOS-11181 Update jai-ext to 1.1.25
- GEOS-11186 Fix maven enforcer failFast
- GEOS-11220 Upgrade Hazelcast from 5.3.1 to 5.3.6
- GEOS-11245 Update OSHI from 6.2.2 to 6.4.10
- GEOS-11316 Update Spring version to 5.3.32
Community module development:
- GEOS-11305 Add layer information in the models backing STAC
- GEOS-11146 Fix MBTiles output format test
- GEOS-11184 ncwms module has a compile dependency on gs-web-core test jar
- GEOS-11209 Open ID Connect Proof Key of Code Exchange (PKCE)
- GEOS-11212 OIDC accessToken verification using only JWKs URI
- GEOS-11219 Upgraded mail and activation libraries for SMTP compatibility
- GEOS-11293 Improve performance of wps-lontigudinal-profile
About GeoServer 2.25 Series
Additional information on GeoServer 2.25 series:
Release notes: ( 2.25-RC )
02 March 2024
17:35
Stefano Costa: Install iosacal with conda
sur Planet OSGeo
Starting today, you can install iosacal with conda. This adds to the existing installation procedure with pip. Conda is a good fit for complex projects and has better tooling for reproducibility.

Installing iosacal can be achieved by adding conda-forge to your channels with:
```
conda config --add channels conda-forge conda config --set channel_priority strict
```
Once the conda-forge channel has been enabled, iosacal can be installed with conda:
```
conda install iosacal
```
or with mamba:
```
mamba install iosacal
```

9:59
Solar Symbology
sur Google Maps Mania

The one thing that you are guaranteed to see before a solar eclipse is lots of maps. With just over a month to go before April 8th's total solar eclipse new solar eclipse maps are being released almost daily. The Spanish Language television network Univision has released an interactive map which is very similar to the Bloomberg eclipse map (see below) but is even better. Like Bloomerg's

01 March 2024
20:39
Fernando Quadro: Curso de GeoNode com inscrições abertas!
sur Planet OSGeo

Aprenda a montar a sua própria Infraestrutura de Dados Espaciais com o GeoNode, uma plataforma para gestão e publicação de dados geoespaciais que reúne projetos open-source maduros e estáveis sob uma interface consistente e fácil de usar, permitindo que os usuários, compartilhem seus dados de forma rápida e facil.

Este novo curso visa capacitar os profissionais no uso eficiente da plataforma GeoNode, e tem como objetivos:

Familiarizar os participantes com os conceitos fundamentais do Geonode e suas capacidades.
Explorar o funcionamento de servidores de mapas e seus benefícios.
Apresentar os padrões de dados do Open Geospatial Consortium (OGC), como Web Map Service (WMS) e Web Feature Service (WFS), para interoperabilidade geoespacial.
Demonstrar a publicação eficiente de dados no Geonode usando views de bancos de dados geográficos.
Ensinar a integração do Geonode com o QGIS através de plugins.

Quer saber mais?

O Curso é oferecido na modalidade EAD Ao Vivo, com uma carga horária de 18 horas divididos em 6 encontros. Porém, essas aulas são gravadas e ficam disponíveis ao aluno por 12 meses em nosso portal do aluno.

Então, se por acaso você não puder comparecer em alguma das aulas ao vivo, não se preocupe, você poderá rever a aula gravada a qualquer momento.

Em comemoração ao aniversário de 12 anos da Geocursos, estamos disponibilizando pra você R$ 100 de desconto, basta utilizar o cupom GEOCURSOS12ANOS

Ficou interessado?

Acesse: [https:]]
WhatsApp: [https:]]
17:27
Stefano Costa: IOSACal in Google Colab
sur Planet OSGeo

Google Colab is a popular notebook service that you can run directly from your browser. Python is natively supported and it’s fairly easy to run a Jupyter notebook, even with custom dependencies like Numpy and Matplotlib.

You can run IOSACal in Google Colab! I have added a new short how-to guide in the official documentation. Find the how-to at [https:]] .

This takes advantage of a demo notebook that was contributed by Jelmer Wind.
A screenshot of the demo notebook running IOSACal in Google Colab. Even with a plot!

10:02
Cities Need Trees
sur Google Maps Mania

Tree density in TokyoNew York needs 113.9 million more trees in order to become carbon neutral.Picterra has calculated which cities around the world have the most and least trees. Using their own geospatial AI detection platform with tree counting software and forestry monitoring tools Picterra has mapped and counted the number of trees in 26 global cities. It has then calculated how many more
29 February 2024
9:25
Who Deserves a Monument Anyway?
sur Google Maps Mania

Distribution of Confederate monumentsThanks to Geochicas and the Mapping Diversity project there has been quite a lot of data analysis undertaken over the last few years into the lack of diversity in the street names of cities around the world. According to Mapping Diversity in the 32 cities which they have analyzed "More than 90% of the streets named after individuals are dedicated to white

28 February 2024
18:00
OTB Team: OTB Release 9.0.0
sur Planet OSGeo

Dear OTB community, We are happy to announce that OTB version 9.0.0 has been released! Ready to use binary packages are available on the package page of the website: The Docker image is available :docker pull orfeotoolbox/otb:9.0.0 It is also possible to checkout the branch with git: git clone [https:] OTB -b release-9.0 The documentation […]

3:30
Online GeoJSON Editors
sur Google Maps Mania

Placemark Playgeojson.ioVector GeoJSONGeoman Geojson Editor I use online geojson editors very regularly to create and edit geographical data. I find online editors particularly useful for tidying up and minimizing third-party data which I have downloaded from elsewhere. For example an editor can be very useful for previewing data exported from overpass turbo, and then manipulating that data
27 February 2024
10:21
The Supply Chain of Deforestation
sur Google Maps Mania

Palm oil production is a major contributor to deforestation, particularly in Southeast Asia. To meet the growing demand for palm oil, every year vast areas of rainforests and other ecosystems are cleared and converted into large-scale oil palm plantations. Palm oil is the most widely used vegetable oil globally and it is found in around half of the products in your local supermarket,
26 February 2024
9:10
Street View Surveillance
sur Google Maps Mania

The Electronic Frontier Foundation's Spot the Surveillance game is a virtual reality game which requires players to identify surveillance equipment in a panoramic image of a San Francisco street scene. Panning around this 360 degree view players are required to detect the every day surveillance equipment which is now routinely used on America's streets, such as body-worn cameras, automated

24 February 2024
20:26
Free and Open Source GIS Ramblings: Trajectools 2.0 released ?
sur Planet OSGeo
It’s my pleasure to share with you that Trajectools 2.0 just landed in the official QGIS Plugin Repository.

This is the first version without the “experimental” flag. If you look at the plugin release history, you will see that the previous release was from 2020. That’s quite a while ago and a lot has happened since, including the development of MovingPandas.
Let’s have a look what’s new!
The old “Trajectories from point layer”, “Add heading to points”, and “Add speed (m/s) to points” algorithms have been superseded by the new “Create trajectories” algorithm which automatically computes speeds and headings when creating the trajectory outputs.

“Day trajectories from point layer” is covered by the new “Split trajectories at time intervals” which supports splitting by hour, day, month, and year.

“Clip trajectories by extent” still exists but, additionally, we can now also “Clip trajectories by polygon layer”

There are two new event extraction algorithms to “Extract OD points” and “Extract OD points”, as well as the related “Split trajectories at stops”. Additionally, we can also “Split trajectories at observation gaps”.

Trajectory outputs, by default, come as a pair of a point layer and a line layer. Depending on your use case, you can use both or pick just one of them. By default, the line layer is styled with a gradient line that makes it easy to see the movement direction:

while the default point layer style shows the movement speed:
How to use Trajectools
Trajectools 2.0 is powered by MovingPandas. You will need to install MovingPandas in your QGIS Python environment. I recommend installing both QGIS and MovingPandas from conda-forge:
```
(base) conda create -n qgis -c conda-forge python=3.9 
(base) conda activate qgis
(qgis) mamba install -c conda-forge qgis movingpandas
```
The plugin download includes small trajectory sample datasets so you can get started immediately.
Outlook
There is still some work to do to reach feature parity with MovingPandas. Stay tuned for more trajectory algorithms, including but not limited to down-sampling, smoothing, and outlier cleaning.

I’m also reviewing other existing QGIS plugins to see how they can complement each other. If you know a plugin I should look into, please leave a note in the comments.

11:11
The Street Names of Budapest
sur Google Maps Mania

Over 2,600 locations in Budapest have place-names which derive from people. Names and Spaces - Budapest is a fantastic mapped analysis of who Budapest's streets and public spaces were named after and what this reveals about the city's history.The map is in Hungarian but works fairly seamlessly with Google Translate in Chrome. If you don't have access to Google Translate then you can still enjoy

23 February 2024
14:17
geomatico: Desarrollo de un gemelo digital para la gestión del agua
sur Planet OSGeo

La escasez de agua en la agricultura, agravada por el cambio climático, amenaza la seguridad alimentaria. Los sistemas de riego eficientes son clave para mitigar estos desafíos, optimizando el uso del agua y fortaleciendo la resiliencia agrícola.

Entre 2022 y 2023 hemos desarrollado un gemelo digital de gestión del agua en agricultura junto al IRTA (Instituto de Investigación y Tecnología Agroalimentaria). En la aplicación web se pueden monitorizar y analizar casi 300 mil parcelas simbolizadas semanalmente por 17 indicadores (unos 250 millones de registros por año) que permiten optimizar la irrigación.

9:25
Four Seasons in One Map
sur Google Maps Mania

Chronolog is an interactive map of timelapse photographs designed to help monitor the environment. It is a citizen science project which encourages organizations and individuals to engage with nature while recording and monitoring the changing environment.The Chronolog map allows you to explore timelapse photos of nature which have been captured around the USA (and one or two in other countries

22 February 2024
21:00
QGIS España: Publicación del libro Introducción a los Sistemas de Información Geográfica con QGIS
sur Planet OSGeo
Publicada la Segunda Edición del Libro “Introducción a los Sistemas de Información Geográfica con QGIS” de Federico Gazaba
Una pregunta recurrente en redes sociales es ¿Dónde puedo encontrar un manual para aprender a usar QGIS? o ¿Cómo puedo iniciarme en el uso de los Sistemas de Información Geográfica (SIG)? Hace aproximadamente 3 años Federico Gazaba publicaba la pimera versión de su libro “Introducción a los Sistemas de Información Geográfica con QGIS” un manual que en su momento fue de referencia obligada para las personas usuarias de QGIS en habla hispana pero que con el paso del tiempo había quedado desactualizado debido a la aparición de nuevas versiones de QGIS.

Recientemente el autor nos comentaba que se estaba preparando una actualización de libro y no nos ha hecho esperar mucho, el 22 de Febrero nos anunciaba en el canal de Telegram de QGIS en español que la versión 2.0 había sido publicada: _“Hola amigos #geoinquietos !. Lo prometido es deuda, les traigo la versión 2.0 de mi libro libre “Introducción a los Sistemas de Información Geográfica con QGIS”. Esta versión actualiza los contenidos de la versión anterior a QGIS 3.34 Prizren.".

El libro ha sido publicado bajo la licencia CC BY-SA 4.0 lo que permite que sea compartido o modificado, para cualquier proposito, con libertad mientras se respete la atribución al autor y se comparta con la misma licencia. Se puede descargar aquí o aquí el repositorio del libro se puede encontrar en GitHub

Este libro es otro ejemplo que demuestra que los proyectos de software libre y open source permiten compartir y colaborar en este tipo de iniciativas donde podemos participar de forma activa y generar grandes sinergias en sus aplicaciones y desarrollos en beneficio, tanto de las comunidades que las desarrollan como las que las usan.

Federico Gazaba es profesor de Matemáticas y Técnico Maestro Mayor de Obras y actualmente es docente en el Instituto de Formación Docente y Técnica 122 “Presidente Illia” de Pergamino (Provincia de Buenos Aires, Argentina) y Director de Sistemas de Información Georreferenciada de la Municipalidad de Pergamino. Desde el año de 2013 es usuario de QGIS y es un entusiasta del las tecnologías libres y de los datos espaciales abiertos. La creación del manual nace de la necesidad de impartir cursos de QGIS a sus colegas de municipalidad y es el resultado de la sistematización de esas enseñanzas. Desde 2016, de forma ininterrumpida, imparte cursos introductorios a los SIG para diferentes instituciones.

Puedes seguir a Federico en la siguientes redes sociales:
- X: [https:]]
- Mastodon: [https:]]
- Telegram: @federicogazaba
- Github [https:]]

11:13
Geo-BIM for the Built Environment
sur Open Geospatial Consortium (OGC)

OGC holds three Member Meetings each year – one each in Europe, the Americas, and Asia Pacific – where OGC’s Standards Working Groups (SWGs), Domain Working Groups (DWGs), Members, and other geospatial experts meet to progress Standards, provide feedback on initiatives being run by the OGC Collaborative Solutions and Innovation (COSI) Program, hear about the latest happenings at OGC, network with the leaders of the geospatial community, and see what’s coming next. The meetings are open to the public, though there are some closed sessions, and provide a great way to start to get to know – and get involved with – the OGC Community.

The next OGC Member Meeting, OGC’s 128th, will be held at TU Delft on March 25-28, 2024. Fitting for TU Delft and the Netherlands, the theme of the meeting will be ‘Geo-BIM For the Built Environment.’ Meeting sponsorship is generously provided by TU Delft and Geonovum, with support from GeoCAT and digiGO. In the lead up to the event, Geonovum produced a short video highlighting what to expect in Delft.

“In many respects, the Netherlands is the world leader in the use of advanced integration of building data and detailed urban mapping, as well as the use of Open Standards and Open APIs to interface with those data to provide citizen services,” commented Scott Simmons, OGC’s Chief Standards Officer.

“More specifically, TU Delft is a world-leading research institute in Geo-BIM integration, while Geonovum, another meeting sponsor, has done so much to promote the effective use of Open Standards in government & e-government, including documenting proof that Open Standards make things work better, faster, and cheaper.”

Under the theme, the OGC Member Meeting will include several sessions related to the built environment and the integration of Geospatial and Building Information Models (BIM). Such sessions will include: a Geo-BIM Summit that non-members are encouraged to attend; a Built Environment Joint Session; and a Land Administration Special Session.

On top of these, there will be a meeting of the OGC Europe Forum, sessions on Geospatial Reporting Indicators, Observational Data, the ‘Today’s Innovations, Tomorrow’s Technologies’ Future Directions Session, networking opportunities, and the usual host of OGC Working Group meetings on topics ranging from APIs to agriculture, and the sea-floor to space. Most sessions are open to the public, with special encouragement for non-OGC-members to attend the Geo-BIM Summit and any of the Domain Working Group meetings. As always, the opening session will consist of presentations from local organizations that showcase the world-leading geospatial technologies seen in The Netherlands.
Dr. Rune Floberghagen, Head of the Science, Applications and Climate Department in the Directorate for Earth Observation Programmes, ESA, was one of the local experts that presented at the opening session of the 125th Member Meeting in Frascati, Italy. Geo-BIM Summit
The Geo-BIM Summit will run on Wednesday afternoon and will focus on the integration of geographic data and Building Information Models (BIM).

“In the Building Information Modeling (BIM) world, geographical data about the environment of the construction is becoming increasingly important,” said Prof. Dr. Jantien Stoter, Chair of the OGC 3D Information Management DWG, and part of the organizing committee for the Geo-BIM session. “Similarly, in the Geospatial domain, the need for detailed information about buildings is also growing. There are many initiatives to develop solutions that better facilitate this integration, including projects that realize this integration for a specific use case; automated conversion of data between the two domains; methods to georeference BIM files in a standardized and straightforward way; and profiles for standards that establish the integration for specific use-cases. The Geo-BIM session will present such initiatives in order to address the question of “what more is needed to improve the integration?” This will further shape the OGC & buildingSMART Road Map on integration of both domains, and contribute to the best practices currently under development.”
Built Environment Joint Session
Two sessions on the Built Environment will run on Wednesday morning. The first is entitled “The Future of Land Infra” and will discuss what more we need to do in the standardization of built infrastructure data, in terms of updating, improving or adding to the OGC Standards Portfolio, and will include input from several OGC activities: the Integrated Digital Built Environment (IDBE) subcommittee, LandAdmin DWG, Model for Underground Data Definition and Integration (MUDDI) SWG; and the Geotech Interoperability Experiment, as well as the wider OGC Collaborative Solutions and Innovation (COSI) Program.

The next session is entitled “What Urban Digital Twins mean to OGC” and will focus on the wider work that OGC is doing in the space and how the Digital Twins DWG can help harmonize it. The session will also include a cross-working-group discussion on the in-progress OGC Urban Digital Twins Position Paper, as well as a presentation by Binyu Lei, researcher at the Urban Analytics Lab at the National University of Singapore, entitled “Humans as Sensors in Urban Digital Twins.”
Attendees at the 123rd Member Meeting in Madrid, Spain. Land Admin Special Session
Following the opening session and keynotes on Monday is a Land Admin special session run by the OGC Land Administration (Land Admin) DWG.

“Worldwide, effective, and efficient land administration is an ongoing concern, inhibiting economic growth and property tenure,” commented Eva-Maria Unger, co-chair of the OGC Land Admin DWG. “Only a limited number of countries globally have a mature land information system.”

The Land Admin Special Session will also be the first meeting of the soon-to-be-formed OGC Land Administration Domain Model (LADM) SWG.

“This is a fairly significant session as we’re going to use it to kick off an effort to create an encoding Standard for Land Administration data that’s globally relevant,” said Scott Simmons. “It’s great to be holding it in Delft because Kadaster, the Netherlands’ Cadaster, Land Registry and Mapping Agency, is one of the world leaders in providing expertise on use of Land Administration and Land Administration modernization across not just Europe but for developing nations around the world. So it’s an opportunity to bring together their expertise along with representatives from all levels of sophistication of land management around the world.”

Peter van Oosterom continued: “The new SWG will work on the Land Administration Domain Model (LADM) Implementation Standard in OGC, which will be included as part 6 of the existing ISO 19152 series of Standards. This sounds modest, but is actually a big step forward. The LADM Standards today are only Conceptual Models, which means that countries implementing them have to find their own solutions for developing their country file, technical encodings, code list values, processes/workflows, etc.

“An open LADM Implementation Standard will not only reduce implementation costs by providing free, proven technical encodings, but would also enable solution vendors to provide commercial off-the-shelf software that works across multiple countries/jurisdictions, rather than having to adapt it to each unique approach.”
Networking, social, and other sessions
In addition to these sessions, the 128th OGC Member Meeting will also see meetings of over 50 different working groups or committees covering almost the full breadth of geospatial applications and domains, as well as several social and networking events.

Registration remains open, as do sponsorship opportunities. Non-members are encouraged to attend. To see the full agenda, visit ogcmeet.org.
As well as the host of technical content and informative presentations, OGC Member Meetings also include networking events, such as the Wednesday night dinner.
The post Geo-BIM for the Built Environment appeared first on Open Geospatial Consortium.

9:32
The Cyclotron
sur Google Maps Mania

The West Midlands Cyclotron uses cycle counters installed on the roads in the West Midlands to provide a near real-time data visualization of the number of cyclists using individual roads in areas of Birmingham, Coventry and Wolverhampton (and many roads in between). The most striking aspect of the Cyclotron is the design of the LED themed data dashboard. This dashboard takes its cue from the

21 February 2024
12:30
GeoTools Team: GeoTools 29.5 released
sur Planet OSGeo

  GeoTools 29.5 releasedThe GeoTools team is pleased to announce the release of the latest maintenance version of GeoTools 29.5:geotools-29.5-bin.zipgeotools-29.5-doc.zipgeotools-29.5-userguide.zipgeotools-29.5-project.zipThis release is also available from the OSGeo Maven Repository and is made in conjunction with GeoServer 2.23.5 and GeoWebCache 1.23.4. We are

10:22
The World's First OpenStreetMap
sur Google Maps Mania

The only thing I love more than exploring historical vintage maps of the world is exploring annotated, interactive versions of ancient world maps. Now thanks to the Museo Galileo I can browse an annotated version of the world's greatest medieval map - the Fra Mauro World Map.The Annotated Fra Mauro World Map is an interactive zoomable version of the famous 1450 Venetian map of the world. The

20 February 2024
20:17
QGIS Blog: Save the date & call for contributions: QGIS user conference and contributor meeting in Bratislava
sur Planet OSGeo

We are happy to announce that QGIS User Conference will take place on 9-10 September 2024 in Bratislava, Slovakia.

The traditional Contributor Meeting will be held right after the conference on 11-13 September 2024 at the same venue.

Learn more about the user conference and the contributor meeting at the event’s web site: [https:]]

The call for papers for the user conference is now open – you can submit proposals for talks and workshops by 31 March 2024:
[https:]]

We have also started call for sponsors, with sponsorship opportunities at various levels. More details here:
[https:]]

User Conference

The QGIS User Conference is an annual event that brings together users and developers of QGIS. The conference provides an opportunity for attendees to learn about the latest developments in QGIS, share their experiences with others, and network with other QGIS users and
developers.

Contributor Meeting

QGIS Contributor Meetings are volunteer-driven events where contributors to the QGIS project from around the world get together in a common space – usually a university campus. During these events, contributors to the QGIS project take the opportunity to plan their work, hold face-to-face discussions and present new improvements to the QGIS project that they have been working on. Everybody attending the event donates their time to the project for the days of the event.
As a project that is built primarily through online collaboration, these meetings provide a crucial ingredient to the future development of the QGIS project. The event is planned largely as an ‘unconference’ with minimal structured programme planning.

For more details and to sign up, please visit the corresponding wiki page [https:]]

12:58
Enterprise Products: A Collaborative Journey with OGC
sur Open Geospatial Consortium (OGC)
In the ever-evolving realm of energy infrastructure, the success of an organization is often determined by its ability to adapt, innovate, and collaborate effectively. Enterprise Products Partners, L.P. has exemplified these qualities through their ongoing relationship with the Open Geospatial Consortium (OGC).

Under the leadership of Gary Hoover, Enterprise Products’ team of geospatial technology experts has helped develop an open, international geospatial Standard for the pipeline industry, PipelineML, and deployed disruptive open-source geospatial technology.

Doing so helped Enterprise Products optimize the management of their extensive 50,000-mile pipeline network, and supports the larger goal of safe and sustainable energy infrastructure within the oil and gas sector.
Pioneering the PipelineML Standard
Enterprise Products became a voting member of OGC in 2013. Shortly after, Data Architect John Tisdale rolled up his sleeves and got to work, learning OGC’s consensus-based Standards process and serving as a charter member and co-chair of the PipelineML Standards Working Group (SWG). In 2019, the PipelineML Conceptual and Encoding Model Standard was approved by the OGC Membership, making it an official OGC Standard.

The PipelineML Standard – collaboratively developed by Enterprise Products and contributors from across the US, Canada, Belgium, Norway, Netherlands, UK, Germany, Australia, Brazil, and Korea – defines concepts that support the interoperable interchange of data related to oil and gas pipeline systems. PipelineML addresses two critical business use cases specific to the pipeline industry: new construction surveys and pipeline rehabilitation.

The Standard defines individual pipeline components, provides support for lightweight data aggregation, and provides a mechanism for extensions focused on safety and sustainability through effective data management practices. By working with OGC’s Land and Infrastructure Domain Working Group, PipelineML was aligned with related Standards that ensure compatibility with future land management requirements.
Three use-cases addressed by the OGC PipelineML Standard. A Step Towards Modernization
June 26, 2023, marked a significant milestone in Enterprise Products’ technical history: in partnership with select technology vendors, the company implemented open-source technology to revamp their existing Asset Information Management (AIM) Program.

To move off the legacy PODS data model and a dependence on proprietary software, the Enterprise Products team spent years developing, prototyping, and refining the Pipeline Component Data Model (PCDM). Instead of utilizing an ageing linear referencing methodology, PCDM leverages modern geospatial technologies to gather GPS coordinates in the field that accurately mark the real-world location of pipeline components. This “Digital Twin” approach makes PCDM more adaptable to evolving business requirements.

Emerging from this initiative, the AIM Data Architecture Platform and Development Framework now provides data and services that serve as the lifeblood of the organisation.
The Pillars of Value-adding
Enterprise Products’s Asset Data Management group has played a vital role in elevating the company’s performance with contributions that have rippled across the organization to deliver tangible value in several areas:
Standards & Governance
To facilitate seamless information exchange across business units and external service providers, Enterprise Products has established stringent data standards and governance protocols that ensure consistent and accurate data for decision-making. By aligning their asset data with OGC Standards, Enterprise Products has established a universal language for geospatial data that simplifies communication and interoperability.
Data Integration
Incorporating integrated inline inspection data has been pivotal in maintaining the integrity of Enterprise Products’ extensive pipeline network. The AIM Data Architecture Platform functions as a nexus for data integration that enables a seamless flow of information across departments that promotes collaboration and efficiency.
Spatio-temporal Analytics
The integration of spatio-temporal analytics has introduced a new dimension to Enterprise Products’ pipeline management. Real-time geospatial insights have not only improved operational efficiency but have also fostered proactive problem solving. By incorporating database-native geoprocessing, Enterprise Products has streamlined analytical workflows and enhanced the speed and accuracy of decision-making.
Data Deliverability
Enterprise Products has democratized data access within the organization by creating a map-based interface that provides intuitive visualisations and reports that empower stakeholders to make informed decisions. This map-based interface supports over 1200 individual users across various departments, including Asset Integrity, Business Development, Field Operations, and Public Awareness.
Safety and Sustainability
Spanning the pipeline asset life-cycle from new construction to divestitures, the AIM Data Architecture supports several Safety and Sustainability programs that ensure safe, reliable operations. Programs such as Public Awareness, OneCall (aka 811 “Call Before You Dig”), Inline Inspections, Pipeline Rehabilitation, Regulatory Compliance, Integrity Assessments, and Field Operations all depend on highly available asset information.
Rather than linear referencing, Enterprise Products uses GPS coordinates to accurately mark the real-world location of pipeline components. Scaling for the Future
The volume, variety, and velocity of data required to manage and optimize large pipeline networks presents substantial challenges. However, Enterprise Products’ open architecture effortlessly manages the scale of their installation and provides ample room for growth. To put this into perspective, consider the following statistics:
- 50,000 Miles of Pipeline
- 2,500 Facilities
- 5.6 million Pipe Components
- 45 million rows of inline inspection data – 30 years’ worth
- 80 million Rows of geospatially referenced data, with 10x better lossless compression over the legacy proprietary system
Embracing Open
One of the most striking aspects of Enterprise Products’ journey is their embrace of Open Standards and Open Source technology. The AIM Data Architecture Platform represents a complete departure from proprietary systems. Key standards and technologies used by Enterprise Products include PipelineML, GeoServer, QGIS, PostgreSQL, PostGIS Spatial Extender, Python & other open libraries, and XML, GML, JSON, & GeoJSON encoded schemas.

This strategic shift not only reduced dependence on commercial vendors and licensing costs, but also established Enterprise Products as an industry pioneer that set a new standard for innovation and interoperability.
OGC Membership: A Driving Force
Enterprise Products’ journey is a compelling story of innovation and progress, with the OGC Community playing a pivotal role. Through collaborative efforts and a steadfast commitment to OGC’s consensus-based process, Enterprise Products led the development of the PipelineML Standard that has proven vital to optimizing the management of Enterprise Products’ extensive pipeline network.

Working with OGC has provided Enterprise Products with a significant competitive advantage, allowing them to leverage the collective knowledge and resources of the international geospatial community. Their journey underscores the transformative potential when industry leaders partner with organizations like OGC to drive positive change. As the world continues to seek sustainable and efficient energy infrastructure, Enterprise Products serves as a prime example of what is achievable when technology, data, and partnerships come together.

The post Enterprise Products: A Collaborative Journey with OGC appeared first on Open Geospatial Consortium.

9:32
The Chain Restaurants of America
sur Google Maps Mania

Map of McDonald's outlets in the USAThe Georgia Institute of Technology's Friendly Cities Lab has released a new interactive map which reveals which chain restaurants dominate which areas of the United States. The U.S. Chain and Independent Restaurants map shows the locations of over 700,000 restaurants across the country, organized by restaurant chain and by frequency. The map reveals that
19 February 2024
9:33
AI Your Home on Street View
sur Google Maps Mania

Have you ever wanted to radically alter the ambiance of your neighborhood? Perhaps you've always dreamed of turning your sleepy suburban road into a bustling inner-city street. Or maybe you've always wanted to dig up your nearby traffic heavy roads and replace them with green fields and trees. Well now you can - at least virtually.Panoramai is a new fun tool which allows you to grab Google Maps

1:00
Camptocamp: Coopterr, territorial cooperation platform based on Rennes Métropole's digital twin
sur Planet OSGeo

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Coopterr, Rennes Métropole's territorial cooperation platform, is now online. It offers a first service to citizens, enabling them to consult electromagnetic wave exposure measurements and identify radioelectric sites in the city of Rennes.
18 February 2024
1:00
GeoServer Team: GeoServer 2.23.5 Release
sur Planet OSGeo
GeoServer 2.23.5 release is now available with downloads (bin, war, windows), along with docs and extensions.

This is the last planned maintenance release of GeoServer 2.23.x, providing existing installations with minor updates and bug fixes. Sites using the 2.23.x series are encouraged to upgrade to GeoServer 2.24.x, or eventually wait next month, for the 2.25.0 release, and upgrade their installation, with the help of the upgrade guide.

GeoServer 2.23.5 is made in conjunction with GeoTools 29.5, and GeoWebCache 1.23.4.

Thanks to Andrea Aime (GeoSolutions) for making this release.
Release notes
New Feature:
- GEOS-11225 AuthKey synchronize the user/group automatically
- GEOS-11279 metadata: allow same field on multiple tabs
Improvement:
- GEOS-11213 Improve REST external upload method unzipping
- GEOS-11246 Schemaless plugin performance for WFS
- GEOS-11260 JNDI tutorial uses outdated syntax
- GEOS-11276 Use style_body to define CSS style for a layer
- GEOS-11288 Improve input validation in ClasspathPublisher
Bug:
- GEOS-11174 GWC rest api returns erroneous truncated response when gzip http encoding is enabled
- GEOS-11205 Layer page: style image fails if it is in isolated workspace
- GEOS-11250 WFS GeoJSON encoder fails with an exception if an infinity number is used in the geometry
- GEOS-11255 Multiple inserts in WPS with different idGen strategies does not work
- GEOS-11256 Cannot retrieve LegendGraphic from a PostGIS datastore with ‘hideEmptyRules’ and ‘Support on the fly geometry simplification’ enabled
- GEOS-11278 metadata: only selected tab is submitted
- GEOS-11285 GWC REST Content-Encoding gzip returns broken response
- GEOS-11291 GeoFence: Cleanup stale log4j references
For the complete list see 2.23.5 release notes.
Community Updates
Community module development:
- GEOS-10933 keycloak logout NPE
- GEOS-11290 With Oauth enabled, anon users get random auth requests
Community modules are shared as source code to encourage collaboration. If a topic being explored is of interest to you, please contact the module developer to offer assistance.
About GeoServer 2.23 Series
Additional information on GeoServer 2.23 series:
Release notes: ( 2.23.5 | 2.23.4 | 2.23.3 | 2.23.2 | 2.23.1 | 2.23.0 | 2.23-RC1 )

17 February 2024
9:19
The Right-Wing Terrorism Map
sur Google Maps Mania

The RTV Map Tool is an interactive map showing incidents of right-wing terrorism and violence in Western Europe since 1990. It documents and shows the locations of 1,214 violent right-wing attacks in Europe. This includes acts of violence which led to 32 fatalities.The map was created by the Center for Research on Extremism, at Oslo University, which studies right-wing extremism, hate crime and

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