# 需要导入模块: from qgis.core import QgsFillSymbol [as 别名]# 或者: from qgis.core.QgsFillSymbol importcreateSimple[as 别名]def__init__(self, methodName):"""Run once on class initialization."""unittest.TestCase.__init__(self, methodName)# create compositionself.layout = QgsLayout(QgsPr...
# 需要导入模块: from qgis.core import QgsGeometry [as 别名]# 或者: from qgis.core.QgsGeometry importcreateGeometryEngine[as 别名]defprocessAlgorithm(self, feedback):extent = str(self.getParameterValue(self.EXTENT)).split(',') spacing = float(self.getParameterValue(self.SPACING)) inset = float...
Usually, multiple buffer zones with different distances are created around the drainage system and each zone is given a different grade for the susceptibility assessment. Similar processes can be done with springs and puddles, depending on the purpose and the study area. Drainage system distribution...
IllegalArgumentException: BufferBuilder::bufferLineSingleSided only accept linestrings which is a GEOS error message wrapped in an OGR error code. any insight as to why this is happening would be appreciated! Contributor rouault commented Aug 15, 2013 Hum, I suspect that the GEOS error handl...
polygon.buffer(distance=1), polygon.buffer(distance=3)], crs='EPSG:4326')# 导出数据为shapefile文件cq.to_file('./output/{}.shp'.format(os.path.basename(__file__).replace('.py','')), driver='ESRI Shapefile', encoding='utf-8') ...