Geometry Boost List: Re: [geometry] single-point polygons

Subject: Re: [geometry] single-point polygons
From: Volker Schöch (vschoech_at_[hidden])
Date: 2014-10-14 04:32:59

> No: the difference algorithms outputs a multi-polygon, and not a polygon. The multi-polygon does not contain any polygons, and is a valid geometry. So the output is valid.

Thank you, that's the key that I missed.

> No, if the input is valid, the output should be valid too. If it is not valid, these cases may be reported.

Perfect.

Thanks again
   Volker

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Volker Schöch | vschoech_at_[hidden]<mailto:vschoech_at_[hidden]>
Senior Software Engineer
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