Le portail francophone de la géomatique

projet = QgsProject.instance()
coucheParcelles = projet.mapLayersByName("parcelles moyenmoutier")[0]
entites = coucheParcelles.getFeatures()

#création point en mémoire
layer = QgsVectorLayer('Point?crs=epsg:4326&field=id:integer','pointDemo','memory')
pr = layer.dataProvider()
pointParc = QgsFeature()
pointParc.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(48.3815098,6.9509046)))
pr.addFeatures([pointParc])
layer.updateExtents()
projet.addMapLayers([layer])
print(layer.sourceCrs())

#Recherche champ ou se trouve mon point
for e in entites:
    if pointParc.geometry().within(e.geometry()):
        print(e.attributes()[1])

    def display_point(self, point, button):
        # Affiche les coordonnées du clic

        self.dlg.hide()  # cache la boite de dialogue
        coords = "{}, {}".format(point.x(), point.y())  ## formatage des coordonnées

pointParc.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(48.3815098,6.9509046)))

class CoordClick:
    """QGIS Plugin Implementation."""

    def display_point(self, point, button):
        # Affiche les coordonnées du clic

        #Instances recherche id parcelle

        projet = QgsProject.instance()
        coucheParcelles = projet.mapLayersByName("parcelles moyenmoutier")[0]
        entites = coucheParcelles.getFeatures()

        self.dlg.hide()  # cache la boite de dialogue

        coords = "{}, {}".format(point.x(), point.y())  ## formatage des coordonnées
        pc = QgsGeometry.fromPointXY(QgsPointXY(point.x(), point.y()))
        point.setGeometry(pc)
        # Affichage point et numéro parcelle correpondante
        self.dlg.coordClick.setText(coords)  # affichage des coordonnées dans la boite de dialogue
        print(coords)
        #Recherche id parcelle correspondant aux coordonnées
        for e in entites:
            if point.geometry().within(e.geometry()):
                print(e.attributes()[1])  # affiche l'attribut id
                       
        
        self.dlg.show()  # affiche de nouveau la boite de dialogue

point.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(6.9509046,48.3815098)))

# -*- coding: utf-8 -*-
"""
/***************************************************************************
 CoordClick
                                 A QGIS plugin
 Affichage coordonnées sur click souris
 Generated by Plugin Builder: http://g-sherman.github.io/Qgis-Plugin-Builder/
                              -------------------
        begin                : 2025-03-31
        git sha              : $Format:%H$
        copyright            : (C) 2025 by Marc GROSJEAN
        email                : marc.grosjean@wanadoo.fr
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
"""
from qgis.PyQt.QtCore import QSettings, QTranslator, QCoreApplication
from qgis.PyQt.QtGui import QIcon
from qgis.PyQt.QtWidgets import QAction
from qgis.gui import QgsMapToolEmitPoint
from qgis.core import (
    QgsProject,
    QgsVectorLayer,
    QgsFeature,
    QgsGeometry,
    QgsPointXY,
    )#imports pour partie programme recherche parcelle
# Initialize Qt resources from file resources.py
from .resources import *
# Import the code for the dialog
from .coord_click_dialog import CoordClickDialog
import os.path




class CoordClick:
    """QGIS Plugin Implementation."""

    def display_point(self, point, button):
        # Affiche les coordonnées du clic

        #Instances recherche id parcelle

        projet = QgsProject.instance()
        coucheParcelles = projet.mapLayersByName("parcelles moyenmoutier")[0]
        entites = coucheParcelles.getFeatures()

        self.dlg.hide()  # cache la boite de dialogue

        coords = "{}, {}".format(point.x(), point.y())  ## formatage des coordonnées
        print("coordo:",coords)
        pc = QgsGeometry.fromPointXY(QgsPointXY(point.x(), point.y()))
        pc2 = pc.asPoint()

        # Affichage point et numéro parcelle correpondante

        # création point en mémoire
        layer = QgsVectorLayer('Point?crs=epsg:4326&field=id:integer', 'pointDemo', 'memory')
        pr = layer.dataProvider()
        point = QgsFeature()
        point.setGeometry(pc)
        #point.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(6.952679,48.381057)))
        pr.addFeatures([point])
        #layer.updateExtents() # Création couche pointDemo
        #QgsProject.instance().addMapLayers([layer])
        for e in entites:
            if point.geometry().within(e.geometry()):
                print(e.attributes()[1])
                print(e.attributes()[4],e.attributes()[5])
                self.dlg.coordClick.setText(coords)  # affichage des coordonnées dans la boite de dialogue
                self.dlg.numParc.setText(e.attributes()[1])
                self.dlg.coord2.setText((e.attributes()[4]) + (e.attributes()[5]))
        self.dlg.show()  # affiche de nouveau la boite de dialogue

        
    def __init__(self, iface):
        """Constructor.

        :param iface: An interface instance that will be passed to this class
            which provides the hook by which you can manipulate the QGIS
            application at run time.
        :type iface: QgsInterface
        """

        # Save reference to the QGIS interface
        self.iface = iface
        # initialize plugin directory
        self.plugin_dir = os.path.dirname(__file__)
        ## Récupération du canvas courant
        self.canvas = self.iface.mapCanvas()

        ## Création d'un outil émettant un point au clic
        self.point_tool = QgsMapToolEmitPoint(self.canvas)



        # initialize locale
        locale = QSettings().value('locale/userLocale')[0:2]
        locale_path = os.path.join(
            self.plugin_dir,
            'i18n',
            'CoordClick_{}.qm'.format(locale))

        if os.path.exists(locale_path):
            self.translator = QTranslator()
            self.translator.load(locale_path)
            QCoreApplication.installTranslator(self.translator)

        # Declare instance attributes
        self.actions = []
        self.menu = self.tr(u'&Coordonnées sur click')

        # Check if plugin was started the first time in current QGIS session
        # Must be set in initGui() to survive plugin reloads
        self.first_start = None


    # noinspection PyMethodMayBeStatic
    def tr(self, message):
        """Get the translation for a string using Qt translation API.

        We implement this ourselves since we do not inherit QObject.

        :param message: String for translation.
        :type message: str, QString

        :returns: Translated version of message.
        :rtype: QString
        """
        # noinspection PyTypeChecker,PyArgumentList,PyCallByClass
        return QCoreApplication.translate('CoordClick', message)
        # Création de la boite de dialogue (après les traductions)


        self.dlg = CoordClickDialog()

    def add_action(
        self,
        icon_path,
        text,
        callback,
        enabled_flag=True,
        add_to_menu=True,
        add_to_toolbar=True,
        status_tip=None,
        whats_this=None,
        parent=None):
        """Add a toolbar icon to the toolbar.

        :param icon_path: Path to the icon for this action. Can be a resource
            path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
        :type icon_path: str

        :param text: Text that should be shown in menu items for this action.
        :type text: str

        :param callback: Function to be called when the action is triggered.
        :type callback: function

        :param enabled_flag: A flag indicating if the action should be enabled
            by default. Defaults to True.
        :type enabled_flag: bool

        :param add_to_menu: Flag indicating whether the action should also
            be added to the menu. Defaults to True.
        :type add_to_menu: bool

        :param add_to_toolbar: Flag indicating whether the action should also
            be added to the toolbar. Defaults to True.
        :type add_to_toolbar: bool

        :param status_tip: Optional text to show in a popup when mouse pointer
            hovers over the action.
        :type status_tip: str

        :param parent: Parent widget for the new action. Defaults None.
        :type parent: QWidget

        :param whats_this: Optional text to show in the status bar when the
            mouse pointer hovers over the action.

        :returns: The action that was created. Note that the action is also
            added to self.actions list.
        :rtype: QAction
        """


        icon = QIcon(icon_path)
        action = QAction(icon, text, parent)
        action.triggered.connect(callback)
        action.setEnabled(enabled_flag)

        if status_tip is not None:
            action.setStatusTip(status_tip)

        if whats_this is not None:
            action.setWhatsThis(whats_this)

        if add_to_toolbar:
            # Adds plugin icon to Plugins toolbar
            self.iface.addToolBarIcon(action)

        if add_to_menu:
            self.iface.addPluginToMenu(
                self.menu,
                action)

        self.actions.append(action)

        return action

    def initGui(self):
        """Create the menu entries and toolbar icons inside the QGIS GUI."""

        icon_path = ':/plugins/coord_click/icon.png'
        self.add_action(
            icon_path,
            text=self.tr(u'Infos parcelle et coordonnées'),
            callback=self.run,
            parent=self.iface.mainWindow())

        # will be set False in run()
        self.first_start = True
        # connecte le signal que le canvas a été cliqué
        self.point_tool.canvasClicked.connect(self.display_point)


    def unload(self):
        """Removes the plugin menu item and icon from QGIS GUI."""
        for action in self.actions:
            self.iface.removePluginMenu(
                self.tr(u'&Coordonnées sur click'),
                action)
            self.iface.removeToolBarIcon(action)


    def run(self):
        """Run method that performs all the real work"""

        # Create the dialog with elements (after translation) and keep reference
        # Only create GUI ONCE in callback, so that it will only load when the plugin is started
        if self.first_start == True:
            self.first_start = False
            #création boite de dialogue
            self.dlg = CoordClickDialog()

            # connecte le signal que le canvas a été cliqué
            self.point_tool.canvasClicked.connect(self.display_point)


            # Défini coorclick comme étant l'outil de carte actif
        self.canvas.setMapTool(self.point_tool)
        # show the dialog
       # self.dlg.show()
        # Run the dialog event loop
        #result = self.dlg.exec_()
        # See if OK was pressed
        #if result:
            # Do something useful here - delete the line containing pass and
            # substitute with your code.
            #pass

def show_attr():
    """
    """
    feature = layer.selectedFeatures()

    if bool(feature):
        
        feature = feature[0]

        # Introduire self.dlg sinon, le code suivant affichera un bandeau en haut du canvas qui ne disparaîtra pas (duration=0)
        msg_level = Qgis.MessageLevel(Qgis.Info)
        iface.messageBar().pushMessage(title="Displaying attributes", text=f"{feature['attr1']}, {feature['attr2']}",
        level=msg_level, duration=0)

global layer # A éviter si le script est exécuté dans un projet plus important
layer = QgsProject.instance().mapLayersByName(name)[0]
layer.selectionChanged.connect(show_attr)

request = QgsFeatureRequest.setFilterRect(point.boundingBox())
entites = coucheParcelles.getFeatures(request)

# -*- coding: utf-8 -*-
"""
/***************************************************************************
 CoordClick
                                 A QGIS plugin
 Affichage coordonnées sur click souris
 Generated by Plugin Builder: http://g-sherman.github.io/Qgis-Plugin-Builder/
                              -------------------
        begin                : 2025-03-31
        git sha              : $Format:%H$
        copyright            : (C) 2025 by Marc GROSJEAN
        email                : marc.grosjean@wanadoo.fr
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
"""
from qgis.PyQt.QtCore import QSettings, QTranslator, QCoreApplication
from qgis.PyQt.QtGui import QIcon
from qgis.PyQt.QtWidgets import QAction
from qgis.gui import QgsMapToolEmitPoint
from qgis.core import (
    QgsProject,
    QgsVectorLayer,
    QgsFeature,
    QgsGeometry,
    QgsPointXY,
    QgsFeatureRequest,
    )#imports pour partie programme recherche parcelle
# Initialize Qt resources from file resources.py
from .resources import *
# Import the code for the dialog
from .coord_click_dialog import CoordClickDialog
import os.path




class CoordClick:
    """QGIS Plugin Implementation."""
        
    def __init__(self, iface):
        """Constructor.

        :param iface: An interface instance that will be passed to this class
            which provides the hook by which you can manipulate the QGIS
            application at run time.
        :type iface: QgsInterface
        """
        # Save reference to the QGIS interface
        self.iface = iface
        # initialize plugin directory
        self.plugin_dir = os.path.dirname(__file__)
        ## Récupération du canvas courant
        self.canvas = self.iface.mapCanvas()

        ## Création d'un outil émettant un point au clic
        self.point_tool = QgsMapToolEmitPoint(self.canvas)

        # initialize locale
        locale = QSettings().value('locale/userLocale')[0:2]
        locale_path = os.path.join(
            self.plugin_dir,
            'i18n',
            'CoordClick_{}.qm'.format(locale))

        if os.path.exists(locale_path):
            self.translator = QTranslator()
            self.translator.load(locale_path)
            QCoreApplication.installTranslator(self.translator)

        # Declare instance attributes
        self.actions = []
        self.menu = self.tr(u'&Coordonnées sur click')

        # Check if plugin was started the first time in current QGIS session
        # Must be set in initGui() to survive plugin reloads
        self.first_start = None

    # noinspection PyMethodMayBeStatic
    def tr(self, message):
        """Get the translation for a string using Qt translation API.

        We implement this ourselves since we do not inherit QObject.

        :param message: String for translation.
        :type message: str, QString

        :returns: Translated version of message.
        :rtype: QString
        """
        # noinspection PyTypeChecker,PyArgumentList,PyCallByClass
        return QCoreApplication.translate('CoordClick', message)

    def add_action(
        self,
        icon_path,
        text,
        callback,
        enabled_flag=True,
        add_to_menu=True,
        add_to_toolbar=True,
        status_tip=None,
        whats_this=None,
        parent=None):
        """Add a toolbar icon to the toolbar.

        :param icon_path: Path to the icon for this action. Can be a resource
            path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
        :type icon_path: str

        :param text: Text that should be shown in menu items for this action.
        :type text: str

        :param callback: Function to be called when the action is triggered.
        :type callback: function

        :param enabled_flag: A flag indicating if the action should be enabled
            by default. Defaults to True.
        :type enabled_flag: bool

        :param add_to_menu: Flag indicating whether the action should also
            be added to the menu. Defaults to True.
        :type add_to_menu: bool

        :param add_to_toolbar: Flag indicating whether the action should also
            be added to the toolbar. Defaults to True.
        :type add_to_toolbar: bool

        :param status_tip: Optional text to show in a popup when mouse pointer
            hovers over the action.
        :type status_tip: str

        :param parent: Parent widget for the new action. Defaults None.
        :type parent: QWidget

        :param whats_this: Optional text to show in the status bar when the
            mouse pointer hovers over the action.

        :returns: The action that was created. Note that the action is also
            added to self.actions list.
        :rtype: QAction
        """
        icon = QIcon(icon_path)
        action = QAction(icon, text, parent)
        action.triggered.connect(callback)
        action.setEnabled(enabled_flag)

        if status_tip is not None:
            action.setStatusTip(status_tip)

        if whats_this is not None:
            action.setWhatsThis(whats_this)

        if add_to_toolbar:
            # Adds plugin icon to Plugins toolbar
            self.iface.addToolBarIcon(action)

        if add_to_menu:
            self.iface.addPluginToMenu(
                self.menu,
                action)

        self.actions.append(action)

        return action

    def initGui(self):
        """Create the menu entries and toolbar icons inside the QGIS GUI."""
        icon_path = ':/plugins/coord_click/icon.png'
        self.add_action(
            icon_path,
            text=self.tr(u'Infos parcelle et coordonnées'),
            callback=self.run,
            parent=self.iface.mainWindow())

        # will be set False in run()
        self.first_start = True

    def unload(self):
        """Removes the plugin menu item and icon from QGIS GUI."""
        for action in self.actions:
            self.iface.removePluginMenu(
                self.tr(u'&Coordonnées sur click'),
                action)
            self.iface.removeToolBarIcon(action)
        self.point_tool.canvasClicked.disconnect(self.display_point)


    def run(self):
        """Run method that performs all the real work"""
        # Create the dialog with elements (after translation) and keep reference
        # Only create GUI ONCE in callback, so that it will only load when the plugin is started
        if self.first_start == True:
            self.first_start = False
            #création boite de dialogue
            self.dlg = CoordClickDialog()
            # connecte le signal que le canvas a été cliqué
            self.point_tool.canvasClicked.connect(self.display_point)

        # Défini coorclick comme étant l'outil de carte actif
        self.canvas.setMapTool(self.point_tool)
        
    def display_point(self, point, button):
        """Affiche les coordonnées du clic"""
        self.dlg.hide()  # cache la boite de dialogue
        couche_parcelles = QgsProject.instance().mapLayersByName("parcelles moyenmoutier")[0]
        req = QgsFeatureRequest.setFilterRect(QgsGeometry.fromPointXY(point).boundingBox())
        entites = couche_parcelles.getFeatures(req)
        for e in entites:
            self.dlg.coordClick.setText(f"{point.x()}, {point.y()}")  # affichage des coordonnées dans la boite de dialogue
            self.dlg.numParc.setText(e['nom_de_attribut_1'])
            self.dlg.coord2.setText(e['nom_de_attribut_4'] + e['nom_de_attribut_5'])
        self.dlg.show()  # affiche de nouveau la boite de dialogue

req = QgsFeatureRequest().setFilterRect(QgsGeometry.fromPointXY(point).boundingBox())