IndoorGML cell spaces can also be represented by 2D geometry instead of 3D geometry, hence a surface instead of a solid. This is apparently mentioned in a comment, but not implemented.
Would be great to be able to validate these as well, even though there is less room for errors with 2D geometry. Here are adjusted test files for reference: igml_v1_2D.gml.txt, igml_v2_2D.gml.txt
IndoorGML cell spaces can also be represented by 2D geometry instead of 3D geometry, hence a surface instead of a solid. This is apparently mentioned in a comment, but not implemented.
https://github.com/tudelft3d/val3dity/blob/7e3c679646879d4b578d84f6cb10298db3f30ca3/src/input.cpp#L755-L774
Would be great to be able to validate these as well, even though there is less room for errors with 2D geometry. Here are adjusted test files for reference: igml_v1_2D.gml.txt, igml_v2_2D.gml.txt