[OSM-dev] (Multi)Polygon handling

Even Rouault even.rouault at mines-paris.org
Fri Jul 13 18:44:28 BST 2012


> I don't know if that is an ESRI curiosity or following the standard, and
> if so, what standard. If it should turn out to be a convention for shape
> files but not for Simple Features generally, then any program that
> creates shape files should fix the winding order.

I've found the following email from Frank Warmerdam that exactly answers that
question : http://lists.osgeo.org/pipermail/gdal-dev/2008-June/017363.html . I
imagine that ESRI adopted this convention because it must be convenient for some
algorithms.

>
> Bye
> Frederik
>
> --
> Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"
>
>
>
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