Subject: [ggl] Re: Quick question about bg::difference
From: V D (zedxz2)
Date: 2011-10-24 19:39:39
In fact, I'm trying to avoid the bg::difference call but:
doesn't seem to be supported for this combination
but bg::difference(MultiPolygon, Polygon) is.
On Oct 24, 2011, at 1:47 PM, V D wrote:
> I have a question about the difference algorithm.
> template<typename Geometry1, typename Geometry2, typename Collection>
> void difference(Geometry1 const & geometry1, Geometry2 const & geometry2, Collection & output_collection)
> What happens in the case that the 2 geometries are disjoint? So far in my test cases it seems that in disjoint cases it will always return the second geometry, is this guaranteed ?
> Thank you
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