def __init__(self, iface):
# Save reference to the QGIS interface
self.iface = iface
# refernce to map canvas
self.canvas = self.iface.mapCanvas()
# out click tool will emit a QgsPoint on every click
self.clickTool = QgsMapToolEmitPoint(self.canvas)
#create our GUI dialog
self.population_dlg = PopulationDialog()
#flag to see if the files are loaded
self.pathName = " "
self.dataLoaded = False
self.plugin_dir = os.path.dirname(__file__)
locale = QSettings().value("locale/userLocale")[0:2]
localePath = os.path.join(self.plugin_dir, 'i18n', 'bufferbypercentage_{}.qm'.format(locale))
if os.path.exists(localePath):
self.translator = QTranslator()
self.translator.load(localePath)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
self.buffer_by_percent_dlg = BufferByPercentageDialog()
class Population:
def __init__(self, iface):
# Save reference to the QGIS interface
self.iface = iface
# refernce to map canvas
self.canvas = self.iface.mapCanvas()
# out click tool will emit a QgsPoint on every click
self.clickTool = QgsMapToolEmitPoint(self.canvas)
#create our GUI dialog
self.population_dlg = PopulationDialog()
#flag to see if the files are loaded
self.pathName = " "
self.dataLoaded = False
self.plugin_dir = os.path.dirname(__file__)
locale = QSettings().value("locale/userLocale")[0:2]
localePath = os.path.join(self.plugin_dir, 'i18n', 'bufferbypercentage_{}.qm'.format(locale))
if os.path.exists(localePath):
self.translator = QTranslator()
self.translator.load(localePath)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
self.buffer_by_percent_dlg = BufferByPercentageDialog()
#tsdfasdddddddd
def initGui(self):
# Create action that will start plugin configuration
self.action = QAction(QIcon(":/plugins/population/icon.png"), "PopulationCheck", self.iface.mainWindow())
# connect the action to the run method
QObject.connect(self.action, SIGNAL("triggered()"), self.run)
# Add toolbar button and menu item
self.iface.addToolBarIcon(self.action)
self.iface.addPluginToMenu("&some text that appears in the menu", self.action)
# connect our custom function to a clickTool signal that the canvas was clicked
QObject.connect(self.clickTool, SIGNAL("canvasClicked(const QgsPoint &, Qt::MouseButton)"), self.handleMouseDown)
QObject.connect(self.population_dlg.ui.loadFile, SIGNAL("clicked()"), self.loadFiles)
QObject.connect(self.population_dlg.ui.removeFile, SIGNAL("clicked()"), self.removeFiles)
def unload(self):
# Remove the plugin menu item and icon
self.iface.removePluginMenu("&some text that appears in the menu",self.action)
self.iface.removeToolBarIcon(self.action)
def handleMouseDown(self, point, button):
# get the input distance
distance = self.dlg.ui.lcdNumber.value()
unit = ""
km = self.dlg.ui.kmButton
ml = self.dlg.ui.mileButton
# checks which unit button gets check
if km.isChecked():
unit = km.text()
else:
unit = ml.text()
#QMessageBox.information(self.iface.mainWindow(), "Values", distance + " " + unit)
#load census files on map
def loadFiles(self):
if self.pathName == " ":
self.pathName = QFileDialog.getExistingDirectory()
#displays the loadfile dialog
self.load_file_dlg = Load_City_Dialog()
self.load_file_dlg.show()
ui = self.load_file_dlg.ui
result = self.load_file_dlg.exec_()
#if ok is press on load city window
if result == 1:
location_name = str(ui.locationName.currentText())
if location_name == "New York City":
self.new_york_block = QgsVectorLayer(str(self.pathName)+"/at_tigeresri80915244/blk0036061.zip", "new_york_block", "ogr")
self.new_york_polygon = QgsVectorLayer(str(self.pathName)+"/at_tigeresri65141495/lpy36061.zip", "new_york_polygon", "ogr")
self.new_york_point = QgsVectorLayer(str(self.pathName)+"/at_tigeresri3640145951/lpt36061.zip", "new_york_point", "ogr")
self.new_york_roads = QgsVectorLayer(str(self.pathName)+"/at_tigeresri6663135754/lkA36061.zip", "new_york_roads", "ogr")
QgsMapLayerRegistry.instance().addMapLayer(self.new_york_block)
QgsMapLayerRegistry.instance().addMapLayer(self.new_york_polygon)
QgsMapLayerRegistry.instance().addMapLayer(self.new_york_roads)
QgsMapLayerRegistry.instance().addMapLayer(self.new_york_point)
elif location_name == "Brooklyn":
self.brooklyn_block = QgsVectorLayer(str(self.pathName)+"/at_tigeresri80915244/blk0036047.zip", "brooklyn_block", "ogr")
self.brooklyn_polygon = QgsVectorLayer(str(self.pathName)+"/at_tigeresri65141495/lpy36047.zip", "brooklyn_polygon", "ogr")
self.brooklyn_point = QgsVectorLayer(str(self.pathName)+"/at_tigeresri3640145951/lpt36047.zip", "brooklyn_point", "ogr")
self.brooklyn_roads = QgsVectorLayer(str(self.pathName)+"/at_tigeresri6663135754/lkA36047.zip", "brooklyn_roads", "ogr")
QgsMapLayerRegistry.instance().addMapLayer(self.brooklyn_block)
QgsMapLayerRegistry.instance().addMapLayer(self.brooklyn_polygon)
QgsMapLayerRegistry.instance().addMapLayer(self.brooklyn_roads)
QgsMapLayerRegistry.instance().addMapLayer(self.brooklyn_point)
elif location_name == "Bronx":
self.bronx_block = QgsVectorLayer(str(self.pathName)+"/at_tigeresri80915244/blk0036005.zip", "bronx_block", "ogr")
self.bronx_polygon = QgsVectorLayer(str(self.pathName)+"/at_tigeresri65141495/lpy36005.zip", "bronx_polygon", "ogr")
self.bronx_point = QgsVectorLayer(str(self.pathName)+"/at_tigeresri3640145951/lpt36005.zip", "bronx_point", "ogr")
self.bronx_roads = QgsVectorLayer(str(self.pathName)+"/at_tigeresri6663135754/lkA36005.zip", "bronx_roads", "ogr")
QgsMapLayerRegistry.instance().addMapLayer(self.bronx_block)
QgsMapLayerRegistry.instance().addMapLayer(self.bronx_polygon)
QgsMapLayerRegistry.instance().addMapLayer(self.bronx_roads)
QgsMapLayerRegistry.instance().addMapLayer(self.bronx_point)
elif location_name == "Queens":
self.queens_block = QgsVectorLayer(str(self.pathName)+"/at_tigeresri80915244/blk0036081.zip", "queens_block", "ogr")
self.queens_polygon = QgsVectorLayer(str(self.pathName)+"/at_tigeresri65141495/lpy36081.zip", "queens_polygon", "ogr")
self.queens_point = QgsVectorLayer(str(self.pathName)+"/at_tigeresri3640145951/lpt36081.zip", "queens_point", "ogr")
self.queens_roads = QgsVectorLayer(str(self.pathName)+"/at_tigeresri6663135754/lkA36081.zip", "queens_roads", "ogr")
QgsMapLayerRegistry.instance().addMapLayer(self.queens_block)
QgsMapLayerRegistry.instance().addMapLayer(self.queens_polygon)
QgsMapLayerRegistry.instance().addMapLayer(self.queens_roads)
QgsMapLayerRegistry.instance().addMapLayer(self.queens_point)
elif location_name == "Nassau County":
self.nassau_block = QgsVectorLayer(str(self.pathName)+"/at_tigeresri80915244/blk0036059.zip", "nassau_block", "ogr")
self.nassau_polygon = QgsVectorLayer(str(self.pathName)+"/at_tigeresri65141495/lpy36059.zip", "nassau_polygon", "ogr")
self.nassau_point = QgsVectorLayer(str(self.pathName)+"/at_tigeresri3640145951/lpt36059.zip", "nassau_point", "ogr")
self.nassau_roads = QgsVectorLayer(str(self.pathName)+"/at_tigeresri6663135754/lkA36059.zip", "nassau_roads", "ogr")
QgsMapLayerRegistry.instance().addMapLayer(self.nassau_block)
QgsMapLayerRegistry.instance().addMapLayer(self.nassau_polygon)
QgsMapLayerRegistry.instance().addMapLayer(self.nassau_roads)
QgsMapLayerRegistry.instance().addMapLayer(self.nassau_point)
elif location_name == "Suffolk County":
self.suffolk_block = QgsVectorLayer(str(self.pathName)+"/at_tigeresri80915244/blk0036103.zip", "suffolk_block", "ogr")
self.suffolk_polygon = QgsVectorLayer(str(self.pathName)+"/at_tigeresri65141495/lpy36103.zip", "suffolk_polygon", "ogr")
self.suffolk_point = QgsVectorLayer(str(self.pathName)+"/at_tigeresri3640145951/lpt36005.zip", "suffolk_point", "ogr")
self.suffolk_roads = QgsVectorLayer(str(self.pathName)+"/at_tigeresri6663135754/lkA36103.zip", "suffolk_roads", "ogr")
QgsMapLayerRegistry.instance().addMapLayer(self.suffolk_block)
QgsMapLayerRegistry.instance().addMapLayer(self.suffolk_polygon)
QgsMapLayerRegistry.instance().addMapLayer(self.suffolk_roads)
QgsMapLayerRegistry.instance().addMapLayer(self.suffolk_point)
if not self.dataLoaded:
#loads demographic data
self.demoGraphicData = QgsVectorLayer(str(self.pathName)+"/tgr36000sf1blk.dbf", "Demographic Data", "ogr")
QgsMapLayerRegistry.instance().addMapLayer(self.demoGraphicData)
self.dataLoaded = True
print location_name
#get path name
#self.pathName = QFileDialog.getExistingDirectory()
#set the loaded flag to 1 which means the file are loaded
#remove the census files on map
def removeFiles(self):
if self.loaded > 0:
QgsMapLayerRegistry.instance().removeMapLayer(self.censusBlocks.id())
QgsMapLayerRegistry.instance().removeMapLayer(self.landMarkPolygon.id())
QgsMapLayerRegistry.instance().removeMapLayer(self.roads.id())
QgsMapLayerRegistry.instance().removeMapLayer(self.landMarkPoints.id())
QgsMapLayerRegistry.instance().removeMapLayer(self.demoGraphicData.id())
else:
msg = "No Files are loaded."
QMessageBox.warning(self.dlg, "Error", msg)
#reset the flag to 0 when files are remove
self.loaded = 0
#prompt user to choose a distance unit
def validate_entries(self):
msg = ''
ui = self.population_dlg.ui
if not (ui.kmButton.isChecked()) and not (ui.mileButton.isChecked()):
msg = 'You required to choose a distance unit.'
QMessageBox.warning(self.population_dlg,"Invalid information",msg)
else:
self.population_dlg.accept()
self.buffer_by_percent_dlg.populateLayers()
self.buffer_by_percent_dlg.show()
# run method that performs all the real work
def run(self):
# See if OK was pressed
QObject.connect(self.population_dlg.ui.buttonBox, SIGNAL("accepted()"), self.validate_entries)
# show the dialog
self.population_dlg.show()
#ui = self.dlg.ui
result = self.population_dlg.exec_()
if result == 1:
#pass
#self.canvas.setMapTool(self.clickTool)
msg = '\n'
if self.population_dlg.ui.kmButton.isChecked():
msg += 'Buffer Unit: \tKilometer.'
else:
msg += 'Buffer Unit: \tMile'
#QMessageBox.information(self.population_dlg, 'USER INPUT', 'Buffer Range: \t'+str(int(self.population_dlg.ui.lcdNumber.value()))+msg,QMessageBox.Ok)
#layer = self.censusBlocks
'''
provider = layer.dataProvider()
layer.select(provider.attributeIndexes())
for feature in layer.getFeatures():
print feature
'''
#idx = layer.fieldNameIndex('STFID')
#print feature.attributes()[idx]
'''for feature in i:
