def processPointsLayer(self, feedback, layer, mapAttr, resultProj):
feedback.setProgressText("Publishing map: " +
UTILS.normalizeName(layer.name()))
clonedLayer = layer.clone()
layerRenderer = clonedLayer.renderer()
renderContext = QgsRenderContext()
renderContext.setUseAdvancedEffects(True)
renderContext.setFlags(QgsRenderContext.Flag.RenderBlocking
| QgsRenderContext.Flag.Antialiasing)
imageList = list()
iconField = QgsField(
'icon_url', QVariant.String,
'text') #Danilo não vou verificar se o mapa ja tem esse atributo
feedback.setProgressText("Adding a column 'icon_url'")
clonedLayer.startEditing()
clonedLayer.addAttribute(iconField)
clonedLayer.commitChanges()
clonedLayer.startEditing()
feedback.setProgressText("Rendering symbologies")
for feature in clonedLayer.getFeatures():
layerRenderer.startRender(renderContext, clonedLayer.fields())
symbol = layerRenderer.originalSymbolsForFeature(
feature, renderContext)
if len(symbol) <= 0:
continue
else:
if len(symbol) > 1:
feedback.pushConsoleInfo(
"Warning: Only one symbol for symbology, the others will be ignored."
)
symbol = symbol[0]
layerRenderer.stopRender(renderContext)
curImage = symbol.asImage(QSize(24, 24))
try:
imgIndex = imageList.index(curImage)
except Exception as e:
imageList.append(curImage)
imgIndex = len(imageList) - 1
feature.setAttribute("icon_url", './' + str(imgIndex) + ".png")
clonedLayer.updateFeature(feature)
clonedLayer.commitChanges()
layerCsvFolder = self.getPathForMap(layer.name(), mapAttr, 'csv')
feedback.setProgressText("Saving results")
os.makedirs(layerCsvFolder, exist_ok=True)
savedCsv = QgsVectorFileWriter.writeAsVectorFormat(
clonedLayer,
os.path.join(layerCsvFolder, 'point_layer.csv'),
'utf-8',
resultProj,
'CSV',
layerOptions=['GEOMETRY=AS_XY'])
#Saving symbology
for index in range(len(imageList)):
imageList[index].save(
os.path.join(layerCsvFolder,
str(index) + '.png'))
return savedCsv and len(imageList) > 0
