Il 11/02/2018 18:34, Markus Metz ha scritto:
> This implies that the data have been reprojected at some stage somewhere
> from one SRS to the other. The most likely explanation for the different
> results, particularly the topological errors reported by v.in.ogr, is
> that non-topological polygons were reprojected. Can you make these geoms
> in EPSG:3857 and EPSG:3003 available for testing?
thanks for your thoughts. Here the data, original and simplified, in two
CRS (3003 is simplified correctly, 3857 not):
All the best.
Paolo Cavallini - www.faunalia.eu
QGIS & PostGIS courses: http://www.faunalia.eu/training.html
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