def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Name')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#33aa33',
'outline_style': 'no',
'size': '5'
}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#aa33aa',
'outline_style': 'no',
'size': '5'
}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('Dam', sym1, 'Dam'))
renderer.addCategory(QgsRendererCategory('Lake', sym2, 'Lake'))
return renderer
def createRenderer(self):
renderer = QgsCategorizedSymbolRenderer()
renderer.setClassAttribute('Value < 12')
cf1 = QgsCentroidFillSymbolLayer()
cf1.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#aa1111',
'outline_style': 'no',
'size': '8'
}))
sym1 = QgsFillSymbol([cf1])
cf2 = QgsCentroidFillSymbolLayer()
cf2.setSubSymbol(
QgsMarkerSymbol.createSimple({
'color': '#1111dd',
'outline_style': 'no',
'size': '8'
}))
sym2 = QgsFillSymbol([cf2])
renderer.addCategory(QgsRendererCategory('1', sym1, '1'))
renderer.addCategory(QgsRendererCategory('0', sym2, '0'))
return renderer
def setStyleIcon(self, svg):
#Dato il path di un'icona svg la setta come stile per le sole features selezionate nel layer dei beni
vlayer = self.getLayerBeni()
if len(vlayer.selectedFeatures()) == 1:
svgStyle = {
"name": svg,
"outline": "#000000",
"size": "15",
}
svgLayer = QgsSvgMarkerSymbolLayer.create(svgStyle)
svgSymbol = QgsMarkerSymbol()
svgSymbol.changeSymbolLayer(0, svgLayer)
symbol = QgsSymbol.defaultSymbol(vlayer.geometryType())
symbol.setColor(QColor("Blue"))
centroid = QgsCentroidFillSymbolLayer()
centroid.setSubSymbol(svgSymbol)
selectedSymbol = QgsFillSymbol()
selectedSymbol.changeSymbolLayer(0, centroid)
renderer = QgsRuleBasedRenderer(symbol)
rule = QgsRuleBasedRenderer.Rule(selectedSymbol,
label="Selected",
filterExp="is_selected()")
renderer.rootRule().appendChild(rule)
vlayer.setRenderer(renderer)
vlayer.triggerRepaint()