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Description
Issue Details
During experimentation, we may deal with triangulations with inverted cells (volume < 0).
This is not allowed by t3.is_valid(), but this type of triangulation should not make CGAL Lab crash. For now, it crashes in Release mode only.
We would like CGAL Lab to have the following behavior, in both Release and Debug mode :
- warn the user when a triangulation with negative volume cells is loaded, but still display it
- allow basic operations like "duplicate" or "save" (duplicate crashes for now)
- allow operations that are designed to handle that (like a new reorientation plugin, for example)
- disable operations that would make the demo crash