FreeCAD python wrapper of libarea setPlane(shape): Set the working plane. The shape will not be used for any operation getShape(index=-1,rebuild=False): Return the resulting shape\n \n* index (-1): the index of the section. -1 means all sections. No effect on planar shape.\n \n* rebuild: clean the internal cache and rebuild getParamsDesc(as_string=True): Returns a list of supported parameters and their descriptions.\n * as_string: if False, then return a dictionary of documents of all supported parameters. Get current algorithm parameters as a dictionary.