____________________________________________________________ > Od: [EMAIL PROTECTED] > Komu: [EMAIL PROTECTED], [email protected] > Datum: 15.02.2008 20:18 > Předmět: Re: [GRASS-user] polygon random partition > >bks wrote: >> I need to partition input polygon into more pieces (polygons). >.... >> Spatial distribution of the pieces (i.e. output polygons) is random. > >v.random + v.delaunay + v.overlay? >You might also check out v.random.cover in the wiki addons if you wish >to constrain random points to within the polygon. (maybe v.to.points on >the boundary + v.patch, or v.buffer before v.random.cover, before >v.delaunay then?) > > >> The areas of the pieces should correspond to the information >> given in the attribute table of the input polygon(s). > >I don't understand that, could you explain further- explaining what >attribute data you have to work with per polygon and how that should >correspond with sub-area? Just contain info about the parent object?
RE: The input polygon(s) contains mixture of (e.g. landuse) types and there are columns with their area proportions (e.g. 10% wood, 20% pasture, 70% field) in attribute table. I need 3 randomly situated polygons (wood, pasture, field) with area proportions of 10, 20, 70% of the input polygons. Thanks, Stanislav > > > > > ____________________________________________________________________________________ >Looking for last minute shopping deals? >Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category.php?category=shopping > > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
