Re: [gdal-dev] Re: Intersection of polygon layers

2010-11-09 Thread Simon Lyngby Kokkendorff
Hi Yosuke, If you use MultiPolygon geometries (with your polygons as the parts), geos (via ogr or shapely) should be able to do the job in one go, which should speed things up considerably... Cheers, Simon On Sat, Nov 6, 2010 at 5:04 AM, yosuke kimura wrote: > All, > > I think I found

[gdal-dev] Re: Intersection of polygon layers

2010-11-05 Thread yosuke kimura
All, I think I found what I should have been using. pick a feature from one layer, use its geometry as an argument of SetSpatialFilter method of the other layer. Seems to be yielding same answer quicker... Francis, Thank you for suggestion. I looked at the Shapely documentation http://gispyth