Create mesh from PyTorch Tensor

[supertan0204]

Hi, I'm trying to load a mesh in Mitsuba 3 using data from PyTorch. Specifically, I have a tensor v with shape (num_vertices, 3) which contains vertex position data, and a tensor f with shape num_faces, 3 which contains face data. How should I construct a mi.Mesh object with these data?

[njroussel]

Hi @supertan0204

I'd recommend you have a look at this guide: https://mitsuba.readthedocs.io/en/stable/src/how_to_guides/mesh_io_and_manipulation.html#Adding-and-editing-attributes

We show to procedurally generate a mi.Mesh, which requires writing known vertex and face data to separate buffers.