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Support reading uv and uv map for ply format if texture_uv exists in ply file (#1100)

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Summary:
When the ply format looks as follows:
  ```
comment TextureFile ***.png
element vertex 892
property double x
property double y
property double z
property double nx
property double ny
property double nz
property double texture_u
property double texture_v
```
`MeshPlyFormat` class will read uv from the ply file and read the uv map as commented as TextureFile.

Pull Request resolved: https://github.com/facebookresearch/pytorch3d/pull/1100

Reviewed By: MichaelRamamonjisoa

Differential Revision: D50885176

Pulled By: bottler

fbshipit-source-id: be75b1ec9a17a1ed87dbcf846a9072ea967aec37
This commit is contained in:
YangHai
2023-11-14 07:44:14 -08:00
committed by Facebook GitHub Bot
parent f4f2209271
commit 55638f3bae
3 changed files with 97 additions and 6 deletions
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28
tests/data/uvs.ply Normal file
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@@ -0,0 +1,28 @@
ply
format ascii 1.0
comment made by Greg Turk
comment this file is a cube
comment TextureFile test_nd_sphere.png
element vertex 8
property float x
property float y
property float z
property float texture_u
property float texture_v
element face 6
property list uchar int vertex_index
end_header
0 0 0 0 0
0 0 1 0.2 0.3
0 1 1 0.2 0.3
0 1 0 0.2 0.3
1 0 0 0.2 0.3
1 0 1 0.2 0.3
1 1 1 0.2 0.3
1 1 0 0.4 0.5
4 0 1 2 3
4 7 6 5 4
4 0 4 5 1
4 1 5 6 2
4 2 6 7 3
4 3 7 4 0