David Strip via gdal-dev <[email protected]> writes: > I'm sending this to the gdal-dev on the assumption that gdal underlies > QGIS's creation and export of shapefiles. Let me > know if this is a bad assumption and I'll redirect to qgis-dev
It's a good assumption. My advice for you to figure out your issues is not quick, but: Start reading about "3D POINT" and "POINTZ" as simple features. Get clear on 3D vs 2.5D and how those terms are or aren't the same and how they show up in vector representations of geometries. I am fuzzy on this myself, but given what you are doing it would be better if you were very clear on it :-) I think this is about the difference between the Z being part of the geometry and the Z being an attribute of a 2D geometry. But I also think there is some non-uniformity of terminology in various places. Use ogrinfo. Really dig in. You can get metadata about the layer and the contents. _______________________________________________ gdal-dev mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/gdal-dev
