Hope to add a .fbx export plugin for MeshLab about pymeshlab

[alemuntoni]

Hi, thanks @wityhb. We know that some importer/exporter in meshlab/pymeshlab need a revision, and help is always appreciated :)
About uv and uv2, if I understood correctly, it means that there are two textures and a vertex could refer to one or another (but not both at the same time)?
Because the vcg mesh allows to store only one couple of u/v coordinates per vertex, and one couple of u/v coordinates per wedge (https://stackoverflow.com/questions/61724879/what-does-wedge-means-in-vcglib). Associated to these coordinates, there is an id that refers to the i-th texture saved in the texture list of the mesh.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. The resources of the VCLab team are limited, and so we are asking for your help. If this is a bug and you can still reproduce this error on the last release of PyMeshLab, please reply with all of the information you have about it in order to keep the issue open. If this is a feature request, and you feel that it is still relevant and valuable, please tell us why. This issue will automatically be closed in the near future if no further activity occurs. Thank you for all your contributions.