Hi All, When I use ogr2ogr to process a shape file (into KML for examle) that has "invalid" polygons (self-intersections or other problems) in it, it "cleans them up", such that they are valid. Is there a description anywhere of what algorithm it's using to do this cleanup? I tried to take a look at the code, but it's not obvious where/how that's happening (I'm not terribly familiar with the GDAL code).
What I'm trying to do myself is load the shape file polygons into GEOS(Django), and I'm having trouble with these invalid polygons. Thanks, Taz
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