[gdal-dev] Fwd: Gdal - multipolygon - geometry errors instead holes

Pepa Beneš benespepa at gmail.com
Tue Oct 29 00:09:51 PDT 2019


HI,

I recieved one shapefile. Gdal / Grass / QGIS finds two geometry errors in
it. Other GIS SW (ArcMap, MapInfo (via Universal translator or opening shp
natively)) theay can't see this geometries as errors. Instead errors they
can see regular multipolygons with holes there. Author of this shp wants to
see holes there too = in his opinion there are correct data only.

Please, write me, how to work with such geometries in gdal / grass / QGIS /
geos world to see holes too, instead errors?

In geometry_problem.zip
<https://drive.google.com/file/d/1oRJQVKYDkZji-GLmobov995m9vF00vwf> there
are:

geometry_problem.qgz .. vizualization in QGIS

original.shp .. original data prepared in ESRI
original_esri.png .. original.shp seen in ArcMap (With holes. Author of shp
wants have holes there.)

original_errors.shp .. geometry errors prepared by "QGIS Desktop 3.8.3 with
GRASS 7.6.1"
original_qgis.png .. original.shp seen in QGIS

MI/original_to_MI_by_UN.tab .. original.shp translated from shp to tab by
MapInfo - UniversalTranslator (tried defferent versions with the same
results).

Thanks
Pepa Beneš
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