def on_AddLayerButton_clicked(self):
"""
Add the layers to the map canvas
"""
countriesLineEdit = self.countriesLineEdit
platesLineEdit = self.platesLineEdit
eqLineEdit = self.eqLineEdit
#Check the layers are valid
Countries = AddLayers().CheckAddLayers(countriesLineEdit, "countries")
plates = AddLayers().CheckAddLayers(platesLineEdit, "plate_boundaries")
earthquakes = AddLayers().CheckAddLayers(eqLineEdit, "earthquakes")
#ensure the countries layer renders in a suitable colour
if Countries is not None:
CountriesRenderer = Countries.rendererV2()
CountriesSymbol = CountriesRenderer.symbol()
CountriesSymbol.setColor(QColor('#31a354'))
#ensure that the correct CRS is set for the earthquakes layer
if earthquakes is not None:
earthquakes.setCrs(QgsCoordinateReferenceSystem(4326, QgsCoordinateReferenceSystem.EpsgCrsId))
#add layers and trigger map tips 'on'
layerList = [Countries, plates, earthquakes]
QgsMapLayerRegistry.instance().addMapLayers(layerList)
iface.actionMapTips().trigger()
def on_AddWoodLayer_clicked(self):
"""
Add the woodland layer to the map canvas
"""
woodLineEdit = self.woodLineEdit
#Check the layer is valid
woodland = AddLayers().CheckAddLayers(woodLineEdit, "woodland")
#ensure the woodland layer renders in purple!
if woodland is not None:
woodRenderer = woodland.rendererV2()
woodSymbol = woodRenderer.symbol()
woodSymbol.setColor(QColor('#cc33ff'))
#add layer
QgsMapLayerRegistry.instance().addMapLayer(woodland)
def on_AddCountriesLayerButton_clicked(self):
"""
Add the layers to the map canvas
"""
CountrieslineEdit = self.CountrieslineEdit
#Check the layer is valid
Countries = AddLayers().CheckAddLayers(CountrieslineEdit, "countries")
#ensure that the layer renders in a suitable colour
if Countries is not None:
CountriesRenderer = Countries.rendererV2()
CountriesSymbol = CountriesRenderer.symbol()
CountriesSymbol.setColor(QColor('#31a354'))
#add the layer to the canvas and trigger map tips on
QgsMapLayerRegistry.instance().addMapLayer(Countries)
iface.actionMapTips().trigger()
def on_AddSettlementLayer_clicked(self):
"""
Add label layer with transparent points and labels enabled
"""
#check layer is valid
labels = AddLayers().CheckAddLayers(self.settlementLineEdit, "settlement_names")
#if valid, make layer points appear invisible and apply labels
if labels is not None:
labelsRenderer = labels.rendererV2()
labelsSymbol = labelsRenderer.symbol()
color = QColor(0, 0, 0, 0)
labelsSymbol.setColor(QColor(0, 0, 0, 0))
labelsSymbol = QgsMarkerSymbolV2.createSimple({'color': '0,0,0,0', 'color_border': '0,0,0,0'})
labelsRenderer.setSymbol(labelsSymbol)
#add layer to map canvas
QgsMapLayerRegistry.instance().addMapLayer(labels)
#set labels to settlement names
Label().nameLabel("settlement_names", "NAME")
