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    3529 items (0 unread) in 115 feeds

    Géomatique anglophone

    • sur How Well Do You Know the World?

      Posted: 10 July 2020, 6:00pm CEST by Keir Clarke
      Guess Where! is a fun interactive geography guessing game which requires you to name capital cities around the world from an unlabeled map. In the game Guess Where! you are shown a series of capital cities on a Google Map. All you have to do is choose the name of the city from a choice of four. To make your task a little harder all the place-name labels on the map have been turned off. You
    • sur The Costs of Plastic Pollution

      Posted: 10 July 2020, 4:00pm CEST by Keir Clarke
      The Price Tag of Plastic Pollution is an interactive map which shows the economic costs of all the plastic pollution which we are currently spilling into the world's oceans. There are many interactive maps which visualize the extent of plastic pollution in the world's oceans and where that pollution comes from. This map however is attempting to persuade governments and individuals around the
    • sur Build Your Own 3D Terrain Models

      Posted: 9 July 2020, 6:00pm CEST by Keir Clarke
      three-geo is a neat JavaScript library which can be used to build small 3D terrain models. The library uses three.js and Mapbox's RGB-encoded Digital Elevation Model to create interactive 3D models of any location on Earth. The demonstration geo-viewer application provides a great example of what can be achieved with three-geo and allows you to explore some of the capabilities of the library.
    • sur Global Comparisons of Covid-19

      Posted: 9 July 2020, 4:00pm CEST by Keir Clarke
      Australia's Healthmap visualizes local health and demographic data in Australia. During the current pandemic Healthmap has also been mapping Covid-19 data. Importantly for international users the map includes global data on the rates of Covid-19. This global map includes data from the ECDC (European Centre for Disease Prevention and Control) and Johns Hopkins University. Using Healthmap you
    • sur Mapping Paycheck Protection Payments

      Posted: 8 July 2020, 6:00pm CEST by Keir Clarke
      In response to the devastating effect of Covid-19 on the economy the US government has initiated the Paycheck Protection Program (PPP). PPP is a business loan program which provides low-interest loans to companies to help with payroll and other costs. On Monday the Small Business Administration released the data on the companies who have received loans under the PPP program. Open The Books  
    • sur Virtual Tours of the World's Museums

      Posted: 8 July 2020, 4:00pm CEST by Keir Clarke
      In my continuing quest to virtually visit every museum in the world during lock-down I am today touring the Uffizi Gallery in Florence and the Colonial Williamsburg living-history museum in Virginia. Florence's Uffizi Gallery dates back to the 16th Century and has one of the greatest collections of Italian Renaissance art in the world. In 2019 the Uffizi reopened ten restored galleries
    • sur Which Voters Believe in Climate Change?

      Posted: 7 July 2020, 6:00pm CEST by Keir Clarke
      Yale University has mapped out the results of a detailed survey into the views of Democratic and Republican voters about climate change. Democratic and Republican Views of Climate Change includes a number of maps which show the views of Democratic and Republican voters across the United States when they were asked about their beliefs, attitudes and policy preferences around global warming. Do
    • sur Long Term Storage of Spatial Data

      Posted: 7 July 2020, 4:28pm CEST by James Fee

      Following on with yesterday’s blog post, I’m also concerned about where I’m storing the data. Until this month I stored the data in Dropbox. I can’t recall when I signed up for Dropbox, but I’ve probably paid them over $1,000 for the privilege of using their service. As with most SaaS products, they start trying to help consumers and then they pivot to enterprise. That’s what Dropbox is doing and I’m tired of it. Their client software is just a hack and there are too many other solutions that better fit with my budget needs than a stand along cloud storage solution.

      So as of May 2020, I no longer pay Dropbox $99/year. I’ve moved all my data to iCloud because I do pay for 2TB of storage there (Family plan) and it integrates better with my workflows. I could have put it in Google Drive too, but I’ve never liked how it works which is a shame because it is easy to share with other users. But this isn’t archival by any means. All I’m doing is putting data on a hard drive, though a virtual hard drive in the cloud. It gets backed up sure, but there isn’t any check to make sure my daughter doesn’t drag the data to the trash and click empty. A true archival service is one that makes the data much safer than just storing it in a folder.

      Now back in the old days, we used to archive off to DLT tapes and then send those offsite to a place like Iron Mountain. Eventually you’d realize you needed a restoration and the IT guy would request the tape/tapes come back from offsite and restore them to a folder that you could access. Hopefully they were in a format you could read, but generally that wasn’t too much of a problem, there is a reason though we kept a Sun workstation around in case we needed to restore data from ARC/INFO on Solaris. The good thing about this is that that data was always a copy, sure the tape could get damaged, but it was offsite and not prone to being messed with. If I needed data from October 2016, I could get it. Of course, eventually, old tapes were destroyed because of space needs but generally it was a great system.

      I’m doing the math in my head as to the cost of those DLT tapes

      Now I’m not thinking I need to get a DLT tape drive and pay Iron Mountain for this privilege, but I do need to get data off site and by offsite I mean off my easy to access cloud services (iCloud, Google Drive, AWS S3, etc). I have been working with Amazon S3 Glacier and it has been a really great service. I’ve been moving a ton of data there to not only clean up my local drives and iCloud storage, but ensure that that data is backed up and stored in a way that makes it much safer than having it readily available. Not Glacier is easy enough to use, especially if you are familiar with S3, but you don’t want to throw data in there that you need very often because of how it is costed. Uploading is free, and they charge you $0.004 per GB/mo which is insanely low. Retrieval is 3 cents per GB which is reasonable and after 90 days you can delete data for free.

      Glacier isn’t new by any means, I had been using it to archive my hard drives using Arq but not this specifically using projects. I’ve just started doing this over the weekend so we’ll see how it goes but I like that the data is in a deep freeze, ready to be retrieved if needed but not taking of space where it isn’t needed. I’ve also set a reminder in 2 years to evaluate the data storage formats to ensure that they are still the best method moving forward. If I do decide to change formats, I’ll continue to keep the original files in there just in case the archival formats are a bad decision down the road. Storing this all in Glacier means that space is cheap, and I can keep two copies of the data without problems.

    • sur Mapping the Distribution of Place-Names

      Posted: 7 July 2020, 4:00pm CEST by Keir Clarke
      Bynavn is an interactive which shows the distribution of Danish towns with similar place-name endings. For example the map can show you the location of all Danish towns which end with '-havn'. The Bynavn map includes a menu which allows you to quickly view the distribution of towns with a number of common place-name endings (e.g. -havn, -borg, -home etc). The map also includes a search box
    • sur America's Failed Response to Covid-19

      Posted: 6 July 2020, 6:00pm CEST by Keir Clarke
      The New Statesman has published a series of interactive maps which dramatically visualizes just how bad the United States has been in responding to Covid-19. The maps show areas in the United States and in European countries where there are 50 cases or more of Covid-19 in a week per 100,000 residents. The German government has set a threshold of 50 cases per 100,000 residents in a week as the
    • sur GIS Data Formats and My Stubborn Opinons

      Posted: 6 July 2020, 5:00pm CEST by James Fee

      Taking this break I’ve been looking over my spatial data and trying to figure out how to best organize it. The largest public project I manage is the GeoJSON Ballparks and this one is easy to manage as it is just a Git repository with text files. GeoJSON makes sense here because it is a very simple dataset (x/y) and it has been used for mapping projects mostly which makes the GeoJSON format perfect. I used to maintain a Shapefile version of it in that repository but nobody ever downloaded it so I just killed it eventually.

      But my other data projects, things I’ve mapped or worked on the past are in a couple of formats:


      • Shapefile
      • File Geodatabase
      • Personal Geodatabase
      • GeoJSON
      • KML
      • SpatiaLite


      • TIFF (mostly GeoTIFF)
      • Esri Grid

      Now you can tell from some of these formats, I haven’t touched these datasets in a long time. Being Mac centric, the Personal Geodatabase is dead to me and given the modification dates on that stuff is 2005-2007 I doubt I’ll need it anytime soon. But it does bring of the question of archival, clearly PGDB isn’t the best format for this and I probably should convert it soon to some other format. Bill Dollins would tell me GeoPackage would be the best as Shapefile would cause me to lose data given limits of DBF, but I’m not a big fan of the format mostly because I’ve never needed to use it. Moving the data to GeoJSON would be good because who doesn’t like text formats, but GeoJSON doesn’t handle curves and while it might be fine for the Personal Geodatabase data, it doesn’t make a ton of sense for more complex data.

      This is as close to a shapefile icon as I could find, tells you everything doesn’t it?

      I’ve thought about WKT as an archival format (specifically WKB) which might make sense for me given the great WKT/WKB support in databases. But again, could I be just making my life harder than it needs to be just to not use the GeoPackage? But there is something about WKT/WKB that makes me comfortable for storing data for a long time given the long term support of the standard among so many of those databases. The practical method might be everything in GeoJSON except curves and those can get into WKT/WKB.

      Raster is much easier given most of that data is in two fairly open formats. GeoTIFF or TIFF probably will be around longer than you or I and Esri grid formats have been well support through the years making both fairly safe. What are some limits to data formats that I do worry about?

      1. File size, do they have limits to how large they can be (e.g. TIFF and 32-bit limit)
      2. File structure, do they have limits to what can be stored (e.g. GeoJSON and curves)
      3. File format issues (e.g. everything about the Shapefile and dbf)
      4. OS centric formats (PGDB working only on Windows)

      I think the two biggest fears of mine are the last two, because the first to can be mitigated fairly easily. My plan is the following; convert all vector data into GeoJSON, except where curves are required, I’m punting curves right now because I only have 3 datasets that require them and I’ll leave them in their native formats for now. The raster data is fine, TIFF and grid is perfect and I won’t be touching them at all. The other thing I’m doing is documenting the projects and data so that future James (or whomever gets this hard drive eventually) knows what the data is and how it was used. So little of what I have has any documentation, at least I’m lucky enough the file names make sense and the PDFs help me understand what the layers are used for.

      One thing I’ve ignored through this, what to do with those MXDs that I cannot open at all? While I do have PDF versions of those MXDs, I have no tool to open them on Mac and even if I could, the pathing is probably a mess anyway. It bring up the point that the hardest thing to archive is cartography, especially if it is locked in a binary file like an MXD. At least in that case, it isn’t too hard to find someone with a license of ArcMap to help me out. But boy, it would be nice to have a good cartography archival format that isn’t some CSS thing.

    • sur How Clean is My River?

      Posted: 6 July 2020, 4:00pm CEST by Keir Clarke
      Because of the lockdown swimming pools across the UK are all closed. Which means that this summer the only place to cool-down with a refreshing dip is in a river or the sea. Unfortunately many, many rivers in the UK really aren't clean enough to swim in safely. Last week The Guardian revealed how water companies routinely discharge untreated sewage into UK rivers. Water companies are allowed
    • sur The US Flood Risk Map

      Posted: 4 July 2020, 6:00pm CEST by Keir Clarke
      The nonprofit organization First Street Foundation has released a new online tool that can tell you the current flood risk for your home and how that risk may increase due to environmental and climate change. If you enter your address or zip-code into Flood Factor you can view a detailed report into whether your area has flooded in the past, the current local flooding conditions and the
    • sur The Future of Work in Europe

      Posted: 4 July 2020, 4:00pm CEST by Keir Clarke
      The McKinsey Global Institute has published new research into employment trends in Europe and how these trends might play out in the next ten years. The Future of Work interactive map examines and classifies 1,095 local labor markets across Europe. On this map regions of Europe are colored to show what type of employment cluster most effect employment trends in the area. You can also click on
    • sur Your Birthday Sun Chart

      Posted: 3 July 2020, 6:00pm CEST by Keir Clarke
      Earlier this week NASA released an incredible timelapse video of sun activity over the last ten years. NASA’s Solar Dynamics Observatory has been observing the Sun from Earth orbit for the last ten years. During this time it has gathered over 425 million high-resolution images of the Sun. This week NASA compiled these images into a timelapse video which condenses a decade of sun activity into
    • sur Annotating Medieval Maps

      Posted: 3 July 2020, 4:00pm CEST by Keir Clarke
      Matthew Paris' Map of Britain is one of the first ever geographical maps of the British Isles. It was made by a 13th Century monk called (you guessed it) Matthew Paris. Paris' map was one of the first medieval maps to move away from a schematic plan (e.g. a strip map or route map) to instead attempt an accurate geographical representation (compare the Map of Britain with Mathew Paris' own
    • sur Esri Community Maps Data Sharing

      Posted: 3 July 2020, 1:24am CEST by James Fee

      I’ll be honest, I really don’t follow Esri as closely as I used to. Not so much in that I don’t care to learn about what they are working on, more just that they do so many more things these days. It’s honestly hard to follow along sometimes, but every once in a while I see something that catches my eye.

       Esri is now offering a new option in our Community Maps Program for contributors to have Esri share their data with selected Esri partners and other organizations (e.g. OpenStreetMap) that maintain popular mapping platforms for businesses and consumers. If contributors choose to share their data with others, Esri will aggregate the data and make it available to these organizations in a standardized way to make the data more easily consumable by them and accessible to others. It will be up to those organizations whether they choose to include the data in their mapping platforms.  Where the data is used, attribution will be provided back to Esri Community Maps Contributors and/or individual contributing organizations.

      Community Maps Data Sharing

      I have to admit this intrigues me. Not so much that Esri is trying to insert themselves into a process, but that it makes sharing data easier for users of Esri software. In the end that’s probably more important than philosophical differences of opinion about closed fists and the such. The data is shared via the CC by 4.0 license that Esri uses for the Community Maps AOIs. I really like this, anything that helps share data much easier is a good thing for everyone, including OpenStreetMap. I’m sure we’ll hear more about this during the Esri UC later this month but it’s still a great announcement. I’ve always been a big users of OSM and getting more organizations to update their data in OSM is a huge win in my book.

    • sur County Covid Risk Levels

      Posted: 2 July 2020, 6:00pm CEST by Keir Clarke
      The Harvard Global Health Institute has released a new COVID Risk Level map which shows the severity of the Covid-19 outbreak at county level across the United States. The map reveals which counties have a green, yellow, orange or red risk level, based on the number of new daily cases. On the map counties that have fewer than one daily new case of Covid-19 per 100,000 people are colored green.
    • sur Submarine Streetview

      Posted: 2 July 2020, 4:00pm CEST by Keir Clarke
      During lock-down I've been regularly linking to virtual tours created by museums and art galleries around the world. This week, however, I've decided to take a little break from culture and to spend a little time with nature instead. For example, this morning I took a little virtual tour of the National Aquarium in Baltimore. The National Aquarium reopened yesterday so you can visit the
    • sur Map of Mathematicians

      Posted: 1 July 2020, 6:00pm CEST by Keir Clarke
      My nearest mathematician is Edmond Halley, for whom Halley's comet is named. According to the Mathematicians Birthplace Map Halley was born in Shoreditch, London - just one mile from where I now live. You can discover which famous mathematicians were born near you on the University of St Andrews School of Mathematics and Statistics interactive map. This map shows the birthplaces of nearly
    • sur The Sea Stories of Barra

      Posted: 1 July 2020, 4:00pm CEST by Keir Clarke
      Sgeulachdan na Mara / Sea Stories - an online cultural map of the sea is a wonderful interactive map featuring local stories found around the island of Barra, in the Outer Hebrides of Scotland. To create the map the island's school pupils interviewed local Barra fishermen and older members of the local community. The result is a unique map featuring local legends and oral history as told by
    • sur Create an Earth Club Sandwich

      Posted: 30 June 2020, 6:00pm CEST by Keir Clarke
      In 2006 Ze Frank challenged the viewers of his video show to create an Earth Sandwich. He wanted two people on opposite sides of the Earth to create a sandwich - using two pieces of bread with the whole of planet Earth in between. To help people create this Earth Sandwich Ze Frank created an interactive map which could find the antipode for any location on Earth. Ze Frank's map no longer works
    • sur The Virtual Hajj

      Posted: 30 June 2020, 4:00pm CEST by Keir Clarke
      This year, because of the coronavirus outbreak, the Hajj pilgrimage has been limited to only one thousand pilgrims. For Muslims the sacred Hajj pilgrimage is an essential life journey, a trip which they must make (if they are capable) at least once in their lifetime. The Kontinentalist has created an interactive story map, Inside the Sacred Hajj Pilgrimage, which explains how people undertook
    • sur The US High Poverty Map

      Posted: 29 June 2020, 6:00pm CEST by Keir Clarke
      During the current economic downturn neighborhoods which are already economically vulnerable will most likely be hit the hardest. The Economic Innovation Group's High Poverty Map is an interactive map which visualizes the metro neighborhoods in the United States which had high levels of poverty in 2018 and those which were in high poverty in 1980 but have since successfully turned around. On
    • sur Placename Pronunciation Maps

      Posted: 29 June 2020, 4:00pm CEST by Keir Clarke
      Traveling in Wales can be difficult for non-Welsh speakers. For example how exactly do you ask for directions to Llanfairpwll-gwyngyllgogerychwyrndrob-wllllantysiliogogogoch. If you also have problems pronouncing Welsh placenames then you might appreciate Map Llais. Map Llais is an interactive map which provides audio recordings which allow you to hear how you should pronounce the names of
    • sur The Earth Impacts of Covid-19

      Posted: 27 June 2020, 11:33am CEST by Keir Clarke
      We all know the devastating impact that Covid-19 has been having on people's lives around the world. We are also profoundly aware of the economic impact that Covid-19 lock-downs are having on the global economy. Perhaps less understood is the impact that these lock-downs and this reduced economic activity is having on the Earth's environment. Early on in the Covid-19 outbreak NASA revealed how
    • sur How America Was Lost to Covid-19

      Posted: 26 June 2020, 6:00pm CEST by Keir Clarke
      The New York Times has published a damning story map which visualizes America's failure to stop the spread of Covid-19. In How the Virus Won the NYT shows how a few thousand cases of Covid-19 in February was over the next few months able to spread almost unchecked across the United States. Using animated flow maps the newspaper effectively shows how a lack of leadership and a failure to act
    • sur Mapping International Migration Flow

      Posted: 26 June 2020, 4:00pm CEST by Keir Clarke
      International Migrant Stock in 2019 is an interactive flow map showing the number of immigrants and emigrants moving into and out of countries around the world. The map also shows the countries where all those migrants moved to and from. The map uses data from the United Nations to show which countries immigrants in each country came from and where emigrants from each country moved to. If you
    • sur Exploring the Deepest Point on Earth

      Posted: 25 June 2020, 6:00pm CEST by Keir Clarke
      Challenger Deep is deep. Very Deep. Located in the Mariana Trench, Challenger Deep is the deepest known point in the Earth's seabed. But just How Deep is Challenger Deep? John Nelson has the answer in this beautiful Esri story map which helps to explain the staggering depths of Challenger Deep. As you progress through this story map you will learn about the natural forces which created this
    • sur How Happy is the World?

      Posted: 25 June 2020, 4:00pm CEST by Keir Clarke
      People in the United States are sad. Of course emotions do vary depending on where you live in the United States. In Montana people are very sad, whereas in the neighboring states of Idaho people appear to be happy. At least that is according to the How is the World? interactive map. How is the World is an interesting map which can tell you how people are feeling around the world. On this map
    • sur Amnesty's Video Map of Police Violence

      Posted: 24 June 2020, 6:00pm CEST by Keir Clarke
      Amnesty International says that there were at least 125 separate incidents of police violence against protesters between 26 May and 5 June. In response to what Amnesty reports as 'largely peaceful' Black Lives Matter protests the police have often used what appears to be disproportionate and indiscriminate force. Amnesty report that the use of violence by the U.S. police has not only been
    • sur YouTube Near You

      Posted: 24 June 2020, 4:00pm CEST by Keir Clarke
      YouTube GeoFind allows you to search YouTube videos by location. Using the GeoFind interactive map you can search for videos by location and see where each of the returned videos was shot on the very same map. Being able to search for videos by location seems to be a great idea and on the face of it should provide really interesting results. However searching YouTube videos geographically
    • sur Is Your Country Democratic?

      Posted: 23 June 2020, 6:00pm CEST by Keir Clarke
      Every year Dalia Research surveys people around the world to compare people's attitudes towards democracy. The 2020 Democracy Perception Index is now out and provides some interesting insights into how people around the world perceive their own governments and the importance of democracy. 43% of people around the world say that their own government only serves a small group of people. On the
    • sur It is Different With COVID-19…

      Posted: 23 June 2020, 5:00pm CEST by James Fee

      I started blogging in May of 2005. Right before Katrina hit and everything we knew about GIS disaster response changed. Katrina was that moment where the static image PDF of a map changed to a map service that ran on almost any modern (at the time) web browser. Immediately every GIS map server that was out there became irrelevant at best, dead to the world at worst. Remember though, Google bought Google Earth almost a year before Katrina and Google Maps didn’t launch until early 2005. The tools that created this disaster response revolution were in place, but not too many people used them or had heard of them. But less than 6 months after Google Maps hit the web, Katrina response was almost entirely driven by their tools.

      Remember this? Don’t try and pan!

      If you look at my blog entries from September and October, you can see attempts by Esri, Microsoft, Yahoo! and others to try and address this new paradigm of mapping but none of them stuck. Everyone, and I mean everyone, was using Google. Esri ArcScripts back then probably had 50 tools to convert SHP to KML or MXD to KML. We had tools like Arc2Earth that specialized in making maps easier with Google. And while Esri tools were still being used to generate the data, the display was happening on other platforms.

      This of course gave rise to the Neogeography revolution. I’ll spare you the bare breasted Andrew Turner graphic but at this time we had so many people doing things with GIS that had no idea what GIS was let alone what Esri was. The limitations on getting started with mapping went down and all you needed was a computer and a text editor to make a map. My blog is littered with examples of Neogeography, from EVS Islands to all that great Flickr mapping that Dan Catt and crew did back then. People didn’t ask for permission, they just did it. It all culminated in what I consider the greatest crowdsourced disaster mapping effort, the wildfires in San Diego back in 2007 (feel free to choose the Haiti response over this, that’s fine. I really like the example of using Google My Maps in your backyard for this).

      In all fairness, Andrew wasn’t literally saying it killed GIS.

      But something happened after this, it isn’t that people stopped mapping. Look at OSM growth. The amount of crowd sourced data continues to grow exponentially. But responses to disasters seemed to be run by Google and Microsoft themselves. Tools like Google My Maps continue to exist, but I truly can’t recall using one in the past 10 years. Or if the disaster was not interesting enough for Google, you’d see people using government websites to get that information. The Esri mapping had finally caught up that people would use the fire maps from the DOI other 3 letter agencies without complaining. The citizen effort moved to Twitter where it continues to show great promise, just not as a Google My Map. Take a look at the Bush Fire here in Arizona on Twitter. So many great posts by people but maps are either static images shared or links to traditional InciWeb maps.

      12 News viewer Timm Chapman shared this photo of the Four Peaks glowing from the growing #BushFire. MORE: [https:]] #BeOn12

      — 12 News (@12News) June 18, 2020

      This brings us full circle to COVID-19 mapping. Think of the best and most up to date COVID websites. They are built on Esri technology. Google has websites, Microsoft has them too. But the Esri dashboard has finally had its moment in the sun. I wonder if this is because the market has matured, that the tools have matured or the data set lends itself to a more scientific approach to display rather than simple lines and points. The Johns Hopkins COVID-19 Maps & Trends website is the bible for this epidemic.

      GIS is no longer a side show on this response. I’m guessing that because this is more structured government data, Esri is uniquely positioned to be in the middle of it but even then, their tools have come a long way from the ArcIMS/ArcWeb madness that we dealt with during Katrina. COVID-19 dashboard is the opposite of Neogeography and that is OK. The influence of the citizens on mapping is clearly shown in the Esri tools we deal with today. They still drive me nuts from time to time but let’s be honest, they really do work for this situation. As we close out 1/2 of the way through 2020, hopefully we can keep the need for disaster response to a minimum.

    • sur The Multilingual Map of the World

      Posted: 23 June 2020, 4:00pm CEST by Keir Clarke
      Country Names in Any Language is an interactive map which allows you to view an atlas of the world on which the country labels are written in the language of your choice. Using the drop-down menu you can select from any language in the world to view a map on which the country name labels are displayed in the selected label. The country names for each language are fetched live from Wikidata and
    • sur Facebook Acquiring Mapillary is More Than You Think

      Posted: 22 June 2020, 7:13pm CEST by James Fee

      I’ve been working on this blog post all weekend and I’ve rewritten is many times. It comes back to the confusion about why Mapillary and Facebook are now part of the same team. I wrote down about 10 guesses as to why Facebook decided it needed Mapillary and they needed them now but Joe Morrison did such a a good job outlining many of them I’ll share it here. Go read and come back after you’re done, I’ll wait.

      Welcome back, now what do I think about this? Hard to say honestly, I can talk myself out of any idea. Get back at Google? I don’t think things are that emotional, sure they probably should own their own mapping solution as sending all their users on to another platform is leaking out their secret sauce and probably a boon for Google. But this isn’t something they haven’t been working on and I can’t see how as amazing Mapillary is, that it moves the needle on this at all. Any work toward a Facebook Maps platform has been done and is probably close to happening. I could see that amazing Mapillary team being an acqui-hire that could help in the long term given their expertise with Open Street Map.

      Computer vision, AR/VR and the rest *could* be a reason but remember that Facebook owns Oculus and has done so much in AR that again Mapillary is a rounding error on this. While Oculus has not paid out the way I’m sure Facebook hoped it would, the engineering and development teams there clearly have influenced Facebook. Mapillary, as amazing as those guys are, just don’t have the horsepower that existing AR/VR/CV teams do at Facebook. Again, maybe an acqui-hire.

      Place database is of course the holy grail of mapping. The maps are a commodity, but the places are not. But let’s be honest, there are very few companies that have better place data than Facebook. They might have not had street level view data but they sure had more pictures of these venues than almost anyone else. I get that people like street view data but how often do people really say, let me see a street view image from 2011 when they are look at directions. THEY DON’T. Street view is the coffee shop mapping example. It sounds interesting, looks great in demos but in the end not as important as a 3D world built from satellite imagery and lidar. But wait, that’s where Mapillary does come in.

      The mostly likely reasons I feel that Facebook bought Mapillary was because of their expertise with Open Street Map and OpenSfM. Facebook is one of the largest users of OSM out there so bringing in a group that is as if not more experienced with OSM helps move the needle with their mapping efforts. The second thing Mapillary brings is their skill making 3D worlds out of imagery. As I said, who has better pictures of venues than Facebook? Start stitching those together and you get an amazing 3D city that is updated quicker than driving stupid cars down streets. Encourage people to take pictures and they update the 3D world for you. That and they they get some of the best OSM ninjas out there all at once.

      Now what happens to the crowdsourced data? Will people continue to participate given there are few companies who are more reviled for data management than Facebook? That is what I’m most interested in, Mapillary the product, does it continue? Time will tell.

    • sur Where Americans are Moving

      Posted: 22 June 2020, 6:00pm CEST by Keir Clarke
      Esri has used the latest American Community Survey to visualize where people are moving to and from in the United States. The Where are people moving? story map explores patterns of internal migration within the USA and shows you where in the country people moving into your neighborhood in the last year came from. The visualizations include maps showing where most people moved from in each
    • sur Maps with Zealandia

      Posted: 22 June 2020, 4:00pm CEST by Keir Clarke
      The vast majority of the continent of Zealandia sank beneath the oceans around 23 million years ago. Originally Zealandia was part of the supercontinent Gondwana (along with South America, Antarctica, India, Australia, Arabia and Africa). Zealandia broke away from Gondwana between 83–79 million years ago. The vast majority of it now sits beneath the Pacific Ocean and Tasman Sea. Only the
    • sur The 2020 Submarine Cable Map

      Posted: 21 June 2020, 4:00pm CEST by Keir Clarke
      Every year Telegeography releases a map of the current network of undersea telecommunication cables around the world. The 2020 Submarine Cable Map has now been released. Subsea cables carry telecommunication signals under the oceans, communicating information between different countries and regions of the world. In the 19th Century the first submarine cables were laid to carry telegraphy
    • sur Buckingham Palace Street View

      Posted: 20 June 2020, 4:00pm CEST by Keir Clarke
      The website of the British Royal Family includes a virtual tour of three rooms in Buckingham Palace. Buckingham Palace is the London home of the Queen of England and the administrative headquarters of the British monarchy. The Buckingham Palace tour allows you to explore the Throne Room, the White Drawing Room and the Grand Staircase. Each of these three 360 degree panoramic tours include
    • sur The Gerrymandered States of America

      Posted: 19 June 2020, 6:00pm CEST by Keir Clarke
      Antimander is an open-source interactive application which is designed to detect gerrymandering within congressional districts. Using Antimander you can explore thousands of alternative congressional district maps to view how different electoral districts can radically alter the electoral results in different states. Using the Antimander interactive map tool you can explore how Wisconsin's
    • sur Who Lived in Your House?

      Posted: 19 June 2020, 4:00pm CEST by Keir Clarke
      The BBC has a very interesting history series called A House Through Time which explores social history by telling the story of one single house, and its owners & inhabitants over time. Each series looks at just one house and each episode in each series recounts the lives of just one family who lived in the house. Since the first series of A House Through Time I've been thinking that it would
    • sur A 3D Reconstruction of a Crime Scene

      Posted: 18 June 2020, 6:00pm CEST by Keir Clarke
      In October of last year Iraq's security forces violently cracked down on protesters in Baghdad and southern Iraq. In Baghdad the security forces used lethal military-style tear gas and smoke grenade launchers against civilians which resulted in a number of gruesome deaths. In order to show how the security forces were deliberately using these grenades to maim and kill protesters Amnesty
    • sur The Fascist Bombing of Madrid

      Posted: 18 June 2020, 3:00pm CEST by Keir Clarke
      Last week on Maps Mania I wrote about the Fascist aerial bombing of Barcelona in the 1930's. Barcelona was not the only Spanish city which suffered from this new devastating aerial bombardment tactic. The capital Madrid also suffered from massive aerial and artillery bombardment during the Civil War of 1936-1939. In Madrid Hitler's Condor Legion and Mussolini's Aviazione Legionaria tried out
    • sur Shifting Gears

      Posted: 18 June 2020, 4:41am CEST by James Fee

      Today was my last day at Spatial Networks, which many of you know as the creator of Fulcrum. Back in early 2019 when I left Cityzenith, TQ asked me if I would join the team to help out with the Professional Services. I could list all the great people here I worked with but you all know them already so just take this as my thanks to them for the great time. I wish everyone there the best and hope they continue their journey toward something amazing.

      Vacations aren’t what they used to be

      Myself, well usually when I leave a company I take a vacation (Hawaii for WeoGeo, honeymoon for AECOM and Snowboarding for Cityzenith), but between COVID and weather, I’m sticking home. My wife joked that I always try and go to Hawaii after a job but alas not this time. But that is OK because I’m not interested in waiting for my next job, I’m actively looking. Summer is here so I’d rather be working on something amazing than sitting outside in the pool. So if you’re looking for someone to help you, send me an email.

      You can also sign up for my newsletter, I’ve got the next one coming out tomorrow morning!

    • sur Everest 360

      Posted: 17 June 2020, 6:00pm CEST by Keir Clarke
      National Geographic has created a stunning 360 degree panorama of the Himalayas shot from above. The 360 degree panoramic image in Everest From Above gives you an incredible aerial view of Mount Everest and its surrounding peaks. Photographer Renan Ozturk climbed Everest in May 30, 2019. He captured this amazing aerial view of Mount Everest using specially modified drones. In the panoramic
    • sur The Sexist Street Names of Amsterdam

      Posted: 17 June 2020, 4:00pm CEST by Keir Clarke
      Sara Sprinkhuizen and Leon de Korte have analyzed 5,400 Amsterdam street names to explore what and whom the Dutch have historically considered important enough to be immortalized by having a street name. You can view the results of this analysis in From Pythagoras to Amalia. You might not be surprised to learn that like most other towns and cities around the world Amsterdam has far more
    • sur The Timelines Of Glacial Retreat

      Posted: 16 June 2020, 6:00pm CEST by Keir Clarke
      Artist Fabian Oefner has created two outstandingly beautiful images from the heartbreaking effects that global heating is having on the world's glaciers. Using historical data of glacial retreat Oefner has released two interactive photographs which visualize how Switzerland's Rhône and Trift Glaciers have shrunk in size over the last 140 years. Timelines by Fabian Oefner consists of two
    • sur Widen My Sidewalk

      Posted: 16 June 2020, 4:00pm CEST by Keir Clarke
      Many local councils in the UK are exploring how they can best facilitate safe social distancing in the urban environment. Creating new bike paths and widening pavements are two of the most effective measures which can be undertaken to help people avoid public transit while still allowing pedestrians to maintain a two metre distance from other members of the public. To support this effort
    • sur Chicago BLM

      Posted: 15 June 2020, 6:00pm CEST by Keir Clarke
      The South Side Weekly has created a story map which chronicles the conflicts between police and protesters in downtown Chicago on May 30th. What Happened May 30? uses a combination of eyewitness accounts, video and photographs to provide a chronological report of the events which resulted in what many people feel was unjustified force by the police against people protesting against the killing
    • sur The Cursed Jewel in the Crown

      Posted: 15 June 2020, 4:00pm CEST by Keir Clarke
      At the height of Britain's colonial powers it was often said that India was the jewel in the crown of the British Empire. India's raw materials, its cotton, spices and tea, certainly went a long way in helping to make Britain one of the richest countries in the world. There were also many other treasures which somehow ended up being transferred to British ownership during the days of the
    • sur How Far Can Your Drive in Two Hours?

      Posted: 15 June 2020, 2:00pm CEST by Keir Clarke
      Sweden's Public Health Authority is advising Swedes not to travel. However if traveling is essential it says that short trips of up to a two hour drive from your place of residence are permitted. To help people visualize how far they can drive in two hours the national public television broadcaster SVT has released an interactive isochrone map. Så långt kommer du på två timmar (So how far can
    • sur How to Git Yonder - Cowboy Driving Directions

      Posted: 13 June 2020, 6:00pm CEST by Keir Clarke
      If you've ever wondered how to git yonder then you may be in need of Yondermap. Yondermap is a driving directions service designed exclusively for the use of cowboys & cowgirls (although you can use it as well). Enter a request for directions into Yondermap and you will receive your riding directions on a Western themed interactive map. The detailed driving instructions provided with your map
    • sur A Video Masking Effect

      Posted: 13 June 2020, 4:00pm CEST by Keir Clarke
      The Wall Street Journal has published an article investigating the protests which have taken place across America since the senseless killing of George Floyd. The article, Maps: How Protests Evolved in the Wake of George Floyd’s Killing, is illustrated with a cool animated video map of the United States. Every state on this WSJ map is an animated video clip from a Black Lives Matter protest.
    • sur The Urban Analysis Interactive Map

      Posted: 12 June 2020, 6:00pm CEST by Keir Clarke
      Morphocode Explorer is a new interactive tool for urban analysis that allows you to explore thematic maps and key urban indicators directly in the browser. The tool has been designed to help businesses and city planners analyze urban data and gain location insights around land use, development intensity, transit networks and demographics. The Morphocode Explorer interface consists of an
    • sur Taking a Vacation on Google Earth

      Posted: 12 June 2020, 4:00pm CEST by Keir Clarke
      Google Earth Vacationist is a slideshow of stunning landscapes found on Google Earth. There are already a number of websites which collate some of the most beautiful and interesting satellite views which can be found on Google Maps and Google Earth, however Google Earth Vacationist offers a little more. Each of the gorgeous satellite views on Google Earth Vacationist can be viewed as both a
    • sur How Busy is My Bus?

      Posted: 12 June 2020, 2:00pm CEST by Keir Clarke
      As more and more people are returning to work more and more people are having to break social distancing protocols by traveling on public transport. What would be really useful for those having to use public transit is real-time information about how many passengers are currently travelling on each bus, tram, train and boat. Step forward Cardiff Bus. Cardiff Bus' real-time tracking map now
    • sur Virtual Tours of the World's Museums

      Posted: 11 June 2020, 6:00pm CEST by Keir Clarke
      Beijing's Palace Museum is the world's most popular museum. It is visited by around 15 million people every year. The museum is located in the Forbidden City, which for nearly 500 years was the home of the Chinese Emperor and his household. The Palace Museum has created a number of virtual tours which allow you to explore some of the museum's galleries and also some of the amazing buildings of
    • sur America's Confederate Memorials

      Posted: 11 June 2020, 4:00pm CEST by Keir Clarke
      The Southern Poverty Law Center has mapped over 1,500 public symbols of the Confederacy across the United States. These public symbols include not just statues and other memorials but schools, parks and roads which have been named for Confederate leaders or battles. In Whose Heritage? Public Symbols of the Confederacy the SPLC has created an interactive map showing the location of
    • sur The Sexist Streets of Belgrade

      Posted: 11 June 2020, 2:00pm CEST by Keir Clarke
      Nearly 90% of streets in Belgrade named for people are named for men. Less than a 11% of streets in the capital of Serbia which have been named for people are named for women. EqualStreetNames: Belgrade is an interactive map which colors the streets of the capital of Serbia based on whether they are named for men or women. On the map streets named for men are colored yellow and streets named
    • sur Border Spies in the Skies

      Posted: 10 June 2020, 6:00pm CEST by Keir Clarke
      The Customs and Border Protection agency owns and operates 10 drones which it is allowed to use within 100 miles of a border. Gizmodo has managed to get one year's worth of flight data from seven of those drones. You can view an interactive map of those flights from June 2019-June 2020. In Where Customs and Border Protection Drones Are Flying in the U.S. and Beyond Gizmodo takes a detailed
    • sur The Fascist's Aerial Bombing of Barcelona

      Posted: 10 June 2020, 9:58am CEST by Keir Clarke
      Barcelona was one of the first ever major cities to experience mass aerial bombardment. During the Spanish Civil War Mussolini's Italian air force launched an extensive aerial bombing campaign on the Spanish city in support of Franco's fascist forces. The people of Barcelona responded by building over a thousand underground public air raid shelters (refugis aeris), These shelters helped to
    • sur Covid-19 International Travel Restrictions

      Posted: 9 June 2020, 6:00pm CEST by Keir Clarke
      Because of Covid-19 countries around the world have imposed restrictions on international travelers. These restrictions obviously differ from country to country. The International Air Travel Association has therefore released an interactive map to show the travel regulations which have been imposed by individual countries around the world. On the IATA Travel Regulations map individual
    • sur How Old is Saint Petersburg?

      Posted: 9 June 2020, 4:00pm CEST by Keir Clarke
      How Old is this House is an interactive map which colors every building in St Petersburg by its age of construction. St Petersburg has a long and colorful history. The city was founded by Tsar Peter the Great in 1703. For much of its history it was the capital of the imperial Russian Empire (after the Russian Revolution Lenin moved the capital to Moscow). The St Petersburg building age map
    • sur The Spread of Covid-19 in Rural America

      Posted: 8 June 2020, 6:00pm CEST by Keir Clarke
      Around the world rates of coronavirus seem to be often tied very closely to population density. It makes sense that in urban centers, where people live close together and travel on crowded public transit systems, a virus like Covid-19 is more easily able to spread. It is surprising then that in the USA "Of the 100 counties nationally with the highest infection rates for May, three quarters
    • sur Estimating Protest Numbers

      Posted: 8 June 2020, 4:00pm CEST by Keir Clarke
      Estimating crowd sizes can be a very controversial subject. When reporting on the numbers of people attending a march or protest the media will often use estimations provided by the police. However the police may not always be impartial observers - particularly if the protests being reported on are against police violence. One way to estimate the size of a crowd is to use maps to calculate the
    • sur The National Gallery of Art in 3D

      Posted: 6 June 2020, 5:00pm CEST by Keir Clarke
      I have really missed visiting art galleries and museums during the lock-down. The National Gallery of Art, like nearly every other museum and gallery in the world, is currently closed to visitors. However that doesn't mean that you can't still visit the gallery virtually. During the National Gallery of Art's temporary closure you can still explore some of the gallery's collections and
    • sur Street View's Secret Depth API

      Posted: 5 June 2020, 6:00pm CEST by Keir Clarke
      a screenshot from the now defunct Urban Jungle One of the hidden secrets of Google Maps Street View imagery is that it contains hidden depth map data. That depth data has been used in the past by applications such as Urban Jungle (no longer working) to superimpose other objects on top of Street View images. In the screenshot above you can see how Urban Jungle used Street View's hidden depth
    • sur Police Use of Force Measures Work

      Posted: 5 June 2020, 2:43pm CEST by Keir Clarke
      Last weekend Al Jazeera mapped out Where black people are most disproportionately killed by police in the United States. The map revealed that Black Americans are two and half times more likely to be killed by a police officer than white Americans. Of course that isn't the whole story. The Al Jazeera map used data from Mapping Police Violence. The 2019 Mapping Police Violence interactive map
    • sur Sounds of the Wild West

      Posted: 4 June 2020, 6:00pm CEST by Keir Clarke
      Yesterday Esri announced a number of new features available in ArcGIS Story Maps. These new features include a swipe control (to swipe between two different map views), new embed tools for sharing your Story Maps and more basemap options. Maybe because I've been trapped in inner-city London for the last three months during lockdown I particularly like the new audio tools. These make it much
    • sur How New York City Grew Over Time

      Posted: 4 June 2020, 4:00pm CEST by Keir Clarke
      A couple of week's ago Maps Mania, in The Street Age Map, featured an interesting map which used vintage historical maps to plot how the Mamoroneck Village in New York grew over the last 150 years. Since then the Running Reality project has reminded me about their platform which maps how towns and cities have changed over time. In New York City Running Reality shows how the city grew over a
    • sur Scrollytelling Artworks

      Posted: 3 June 2020, 5:00pm CEST by Keir Clarke
      Last week the New York Times published a fascinating examination of a painting by Thomas Eakins. Eakins' painting 'The Gross Clinic' is a gruesome depiction of a 19th Century operating theater. Taking Lessons From a Bloody Masterpiece is a great scrollytelling crtique of the painting by art critic Jason Farago. As you scroll through Taking Lessons From a Bloody Masterpiece Farago explores in
    • sur The US Curfew Map

      Posted: 2 June 2020, 6:00pm CEST by Keir Clarke
      The Wireless Emergency Alerts (WEA) system used to warn the public about dangerous weather, missing children and other critical situations - like police curfews. Customers of wireless companies that sign up to the Wireless Emergency Alerts system receive geographically targeted WEAs on their mobile phones. This involves receiving text-like messages alerting them of imminent threats to safety in
    • sur Fun Lessons About Maps

      Posted: 2 June 2020, 4:00pm CEST by Keir Clarke
      The UK's national mapping agency the Ordnance Survey has a great Mapzone section which has been designed to help children develop their understanding of Maps, Geography and GIS. If you are currently home-schooling then Mapzone is a superb way to introduce some cartographical educational fun into your day. In each of the three main subject areas (Maps, Geography & GIS) Mapzone includes lessons,
    • sur Mapping Police Killings

      Posted: 1 June 2020, 6:00pm CEST by Keir Clarke
      Black Americans are two and half times more likely to be killed by a police officer than white Americans. Of course not all states are equal. Black Americans in Utah actually have an incredible 9.2 times more chance of being killed at the hands of the police than a white person. In Rhode Island 8.74 black Americans are killed by the police for every white person killed. Al Jazeera has mapped
    • sur Automation or Scripting

      Posted: 1 June 2020, 4:25pm CEST by James Fee

      When I think back to my first exposure to GIS, it is through ARC/INFO. Just me and a command line. Everything was written in AML which made everything I created a script or even an app if you take the parlance that seems popular these days. I’ve beaten the drum about scripting and GIS so much on this blog that I feel like I don’t need to rehash it except to say that if you ain’t scripting you ain’t living.

      But is scripting as important as it once was? I scripted AMLs because that was the only way short of typing in commands one at a time to build anything, and you sure as heck couldn’t visualize anything without AML (well you could, but not in anyway that you’d share). Do we script as much anymore? I was looking at my automations in my life last night and there is so much that I use Zapier for that there really isn’t anything in my house that happens without a trigger. I think today we use works like “automate your workflows” rather than scripting but that is just the low-code ontology that permuted into our vocabulary.

      Regardless, the future of GIS is not scripting. That is writing Python or JavaScript and then running that file to see a result. It will be taking triggers and attaching them to actions to see results. The best part of this is that it isn’t hard coded to anything, they just wait for something to happen and then do something.

      You just take an trigger and attach an action.

      GIS really is set up for this, almost everything you do is an action. The trigger is your mouse button but do you really want to be clicking your index finger all your life? But don’t be sad, this future doesn’t devalue your experience, it enables you to bring it to where it is needed. Output of GIS is more likely to be Salesforce or a BI tool than a PDF moving forward. That’s the biggest win for everyone.

    • sur The 9.24 to Watford Junction

      Posted: 1 June 2020, 4:00pm CEST by Keir Clarke
      You can now explore the 1947 train timetable for the London Midland and Scottish Railway Company in more detail than ever before. The London Midland & Scottish Railway Company timetable for certain suburban services June 16th to October 5th, inclusive, 1947 uses the Leaflet.js mapping library to allow you to zoom in on every single line on the 432 pages of this vintage UK train timetable.
    • sur Snapchat Protests

      Posted: 30 May 2020, 4:00pm CEST by Keir Clarke
      Snap Map can often be a very good guide to how events are unfolding in real-time. With much of America still reeling from the killing of George Floyd you can get a sense of the anger being felt across the country from the videos currently being submitted to Snap Chat. Snap Map allows you to see where other Snap Chat users are in real-time and view any media that they may have submitted using
    • sur London's Victorian Industry

      Posted: 29 May 2020, 4:00pm CEST by Keir Clarke
      I am fascinated by maps which provide a snapshot of my local neighborhood during different periods of history. Today I've been poring over an interactive map which shows London's industrial buildings at the end of the Nineteenth Century. Up until the Dissolution of the Monasteries my neighborhood was encompassed within the grounds of an abbey. After the Dissolution not a lot changed locally
    • sur How to Persuade with Maps

      Posted: 28 May 2020, 6:00pm CEST by Keir Clarke
      The Leventhal Map & Education Center at the Boston Public Library has created an online exhibition which explores how maps can distort the truth. The exhibition includes a number of interactive maps which have been used to visualize how cartographers attempt to represent reality and how that representation always involves some form of distortion. In Bending Lines: Maps and Data from Distortion
    • sur Postcards from the Great War

      Posted: 28 May 2020, 4:00pm CEST by Keir Clarke
      Return to Sender is an interactive map which allows you to explore and view postcards which were sent during the First World War. The map allows you to explore images of postcards which were sent during a time when many young men were posted to locations a long way from home. Using the map you can also read the often poignant messages which were written by these men to their loved ones back
    • sur Communities at Risk from Covid-19

      Posted: 27 May 2020, 6:00pm CEST by Keir Clarke
      The Washington Post has created an interactive map which allows you to explore which census tracts in your town or city might be most at risk from the coronavirus. We now know that some areas are more susceptible to high rates of Covid-19 than others. Some of the factors contributing to higher rates of mortality include overcrowded housing, high levels of existing health conditions and high
    • sur The Campaign for Wider Sidewalks

      Posted: 27 May 2020, 4:00pm CEST by Keir Clarke
      One of the problems local authorities are struggling with around the world is - as we emerge from lock-down how can we best support social-distancing in our urban environments? One worry is that crowded public transport systems could contribute to a second wave of Covid-19 in areas which are beginning to lower their death rates. Many towns and cities are therefore keen to promote walking and
    • sur Changing Cities

      Posted: 26 May 2020, 6:00pm CEST by Keir Clarke
      Last week Kyle Walker released his Mapping Immigrant America interactive map which is a dot map showing the number and origin of immigrants in America at the census tract level. Kyle's map is an interesting way to explore where immigrants from different regions live in the USA. If you want to explore how the racial and ethnic diversity of neighborhoods are changing over time then you can refer
    • sur In Lockdown No One Can Hear You Scream

      Posted: 26 May 2020, 4:00pm CEST by Keir Clarke
      The Listening Passport is an interactive map of sounds recorded during the Covid-19 lock-down. The Listening Passport project was originally designed for people in Cornwall, England to record the sounds that surround them during isolation during Covid-19. However the map is actually being used to record the aural soundscapes of coranavirus by people throughout the UK and even further afield.
    • sur 15 Years of Spatially Adjusted

      Posted: 25 May 2020, 11:41pm CEST by James Fee

      Hard to believe Spatially Adjusted gets it’s driver learners permit next year, but it’s true. Hard for me to believe that I was sitting on a ranch outside Brownwood, TX (on AOL dialup no less) thinking about how to learn more about open source GIS software. For reasons I cannot remember, I thought why not blog about it. This blog has been in my life for so long I really can’t recall what I did before I had it. But hey, I’m so happy to have written all these blog posts, even the bad ones, because I have learned so much.

      Me taking the time to post only the best ideas…

      I can’t even imagine what the next 15 years will be like, but we’ll leave that up to the future. While I don’t post here as much as I used to, feel free to subscribe to my weekly newsletter below, where I attempt to keep up with my off base opinions.

      Spatial Tau Signup

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    • sur The Past Climate Explorer

      Posted: 25 May 2020, 6:00pm CEST by Keir Clarke
      Past Climate Explorer is a fascinating interactive map which allows you to explore historical climate records for any location on Earth. Using the map you can explore average temperature, average precipitation, wind speed and cloud cover anywhere around the globe. If you click on the Past Climate Explorer interactive map you can view a range of different historical climate records from the
    • sur Myriahedral Map Projections

      Posted: 25 May 2020, 4:00pm CEST by Keir Clarke
      In 2008 Jack van Wijk devised a new method for visualizing the Earth in two dimensions. His Myriahedral projections manage to map the Earth onto a flat surface with very little angular and area distortion. Mapping a sphere onto a flat surface always requires some level of distortion. For example the Mercator projection has a large degree of area distortion and famously makes Europe and North
    • sur The Dot Map of Immigrant America

      Posted: 23 May 2020, 5:00pm CEST by Keir Clarke
      Kyle Walker of Texas Christian University has updated his Mapping Immigrant America to include the latest ACS data. Mapping Immigrant America is a dot map showing the number and origin of immigrants throughout the United States. The data for the map comes from the 2014-2018 American Community Survey carried out at the census tract level. Each dot on the map represents different numbers of
    • sur The Street Age Map

      Posted: 22 May 2020, 4:00pm CEST by Keir Clarke
      Mamaroneck Village in Westchester County, New York was incorporated in 1895. The village first developed as a small farming community on both sides of the Mamaroneck River. The two built areas on both sides of the river were joined into one commercial village in the 1890's. The population of Mamaroneck village in 1895 was 1,500. Over the last 125 years the population of Mamarneck has grown in
    • sur The Covid-19 Trend Map

      Posted: 21 May 2020, 6:00pm CEST by Keir Clarke
      ProPublica has created an impressive interactive map which allows Americans to see at a glance the trajectory of Covid-19 in each state. As more and more states are lifting stay-at-home orders the map has been designed to give Americans an overview of whether the number of cases of Covid-19 are going up or down in each state. On the Reopening America map each state is represented by a
    • sur The Scottish Isochrone Map

      Posted: 21 May 2020, 3:00pm CEST by Keir Clarke
      I was talking to a friend of mine yesterday who teaches in a school which is re-opening for students in two weeks time. She is very keen for her students to be able to go back to school. However she really doesn't want to start travelling again on the London Underground twice a day during the morning and evening rush hour. And I really don't blame her. My friend knows that I cycle a lot in
    • sur The Unequal States of America

      Posted: 20 May 2020, 8:00pm CEST by Keir Clarke
      If you live in Wyoming your vote is worth 3.64 times more than a voter in California. This is because of the uneven spread of electors per state in the United States. Wyoming has more votes in the Electoral College per registered voter than any other state. With the 2020 Presidential election looming large on the horizon it seems like a good idea to look once again at the peculiarities of
    • sur The Lethal Heat Map

      Posted: 20 May 2020, 6:00pm CEST by Keir Clarke
      A new study shows how global heating is already causing extreme dangerous heat & humidity conditions in locations across the world. High wet bulb conditions, when there is a combination of high heat and high humidity, can be very dangerous to the health of human beings. A new study by climate scientists show how these conditions are beginning to emerge around the globe. The study, called The
    • sur The Tree Watering Map

      Posted: 20 May 2020, 3:00pm CEST by Keir Clarke
      Global heating, and in particular long dry hot summers, has had an effect on Berlin's ecosystem. The fall in precipitation has been particularly harsh on the city's trees which suffer from drought conditions. In recent years many trees have suffered long term damage from lack of water and more and more trees have had to be felled. Giessdenkiez is an interactive map which shows the location of
    • sur Hyper Resolution Mapped Paintings

      Posted: 19 May 2020, 6:00pm CEST by Keir Clarke
      Last week Amsterdam's Rijksmuseum released a hyper-resolution image of Rembrandt's The Night Watch. This hyper-resolution image allows you to explore Rembrandt's masterpiece in very close detail, zooming in and panning around the image just as if it was an interactive map. On its own the new hyper-resolution image viewer allows you to get an unrivaled close-up view of the painting. However you
    • sur New York Covid Death Rates

      Posted: 19 May 2020, 4:00pm CEST by Keir Clarke
      Yesterday the New York City Department of Health released an interactive map which shows for the first time the NYC Covid-19 death rate by zip-code area. The map confirms earlier reports that the virus has had the most devastating impact in low-income boroughs and the boroughs with the highest percentage of non-white populations. Last month Ed Pilkington and Ankita Rao in A Tale of Two New
    • sur Mapping the Nakba

      Posted: 18 May 2020, 6:10pm CEST by Keir Clarke
      During the 1948 Palestine War around half the Palestinian people were forced from their homes. Nearly the entire urban Palestinian population was expelled before the Israeli Declaration of Independence in May 1948. For this year's Nakba Day the Palestine Open Maps project has created an interactive story map exploring the effects of the Palestine War on the Palestinian people. In How the Nakba
    • sur Mapping Stores Open in Italy

      Posted: 18 May 2020, 3:00pm CEST by Keir Clarke
      Last month a French interactive map was released to show which stores were open and which were closed during the lock-down in France. Ça reste ouvert is a crowdsourced interactive map which provides information on the operating status of stores across the whole of France. The map's creators also made the code for the map freely available on GiHub so that people in other countries could make
    • sur The 2020 Eurorail Contest

      Posted: 16 May 2020, 2:53pm CEST by Keir Clarke
      Tonight's Eurovision Song Contest has been cancelled. In its place you can watch live Eurorail instead. Listed below are the entries in the 2020 Eurorail Contest - a battle between Europe's live real-time animated maps of trains. Belgium's entry into this year's Eurorail Contest is Train Map. Train Map is a live map of the Belgium rail network which shows the position of Belgium's trains
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