This tool can be used to clip an input raster (input
) to the extent of a vector polygon (shapefile). The user must specify the name of the input clip file (polygons
), which must be a vector of a Polygon base shape type. The clip file may contain multiple polygon features. Polygon hole parts will be respected during clipping, i.e. polygon holes will be removed from the output raster by setting them to a NoData background value. Raster grid cells that fall outside of a polygons in the clip file will be assigned the NoData background value in the output file. By default, the output raster will be cropped to the spatial extent of the clip file, unless the maintain_dimensions
parameter is used, in which case the output grid extent will match that of the input raster. The grid resolution of output raster is the same as the input raster.
It is very important that the input raster and the input vector polygon file share the same projection. The result is unlikely to be satisfactory otherwise.
def clip_raster_to_polygon(self, raster: Raster, polygons: Vector, maintain_dimensions: bool = False) -> Raster: ...