On Sun, Jan 20, 2013 at 5:33 PM, Martin Landa <[email protected]> wrote: > Hi, > > 2013/1/20 Pietro <[email protected]>: >> I'm not able to compute the area of a polygon using G_area_of_polygon, > > try to call before G_area_of_polygon() fn > G_begin_polygon_area_calculations(). It should help.
Thank you Martin! it's working :-) >>> libgis.G_begin_polygon_area_calculations() 1 >>> libgis.G_area_of_polygon(bound.c_points.contents.x, ... bound.c_points.contents.y, ... bound.c_points.contents.n_points) 4.0 _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
