3D engine doesn't like hole in a polygone. A way to render such polygon is to link the outer ring and the inner ring. (But it's better to use tesselation.)
for example if you have a rectangle ABCD and a triangle describing the hole ( EFG) , you can create a polygone ABCDAEFGA It's how I understand the question. I don't think you will find such function in GEOS (or JTS) 2014/1/20 Even Rouault <[email protected]> > Le lundi 20 janvier 2014 21:27:18, agerrius a écrit : > > Hi all, > > > > Does OGR have any build in functionality to convert features with holes > > into features without holes? I don't mean delete the inner rings, but > > change the geometry so that it covers the same area with only the outer > > ring. > > I'm afraid not to understand what you mean. What is the difference between > deleting inner rings and "changing the geometry so that it covers the same > area with only the outer ring" ? > > There's no one-line invocation for such functionnality. But it can be done > with the OGR API and a few dozains lines of code. > > > > > I know GlobalMapper has such a function, but it would be useful if I > could > > perform it in my code directly with the OGR library. > > > > Thanks, > > > > Arno > > > > > > > > -- > > View this message in context: > > > http://osgeo-org.1560.x6.nabble.com/OGR-functionality-to-remove-holes-tp50 > > 99099.html Sent from the GDAL - Dev mailing list archive at Nabble.com. > > _______________________________________________ > > gdal-dev mailing list > > [email protected] > > http://lists.osgeo.org/mailman/listinfo/gdal-dev > > -- > Geospatial professional services > http://even.rouault.free.fr/services.html > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev >
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