def processAlgorithm(self, parameters, context, feedback):
zs = QgsZonalStatistics(
self.vectorLayer, self.raster_interface, self.raster_crs,
self.raster_units_per_pixel_x, self.raster_units_per_pixel_y,
self.columnPrefix, self.bandNumber,
QgsZonalStatistics.Statistics(self.selectedStats))
zs.calculateStatistics(feedback)
return {self.INPUT_VECTOR: self.vectorLayer}
def processAlgorithm(self, parameters, context, feedback):
for b in range(self.raster_band_count):
if feedback.isCanceled():
break
columnPrefix = '{}b{}_'.format(self.columnPrefix, b + 1)
zs = QgsZonalStatistics(
self.vectorLayer, self.raster_interface, self.raster_crs,
self.raster_units_per_pixel_x, self.raster_units_per_pixel_y,
columnPrefix, b + 1,
QgsZonalStatistics.Statistics(self.selectedStats))
zs.calculateStatistics(feedback)
return {self.INPUT_VECTOR: self.vectorLayer}
