vector.py 文件源码

def start_stop_on_raster(self, raster_extent=None):
        from shapely.geometry import Point, MultiPolygon
        raster_extent = raster_extent if raster_extent else self.demDataExtent
        if self.features and raster_extent:
            for feat in self.features:
                if not (MultiPolygon(raster_extent).contains(Point(feat['geometry'].coords[0])) and
                        MultiPolygon(raster_extent).contains(Point(feat['geometry'].coords[-1]))):
                    return False
            return True