Hi,
I am reading in a PLY file that has only positions and normals
When I set the mesh to request UVs, has_*tex*() functions returns true but the values it provides are all zeros.
What is the correct way to handle mesh with optional UVs information ?
ply file header
```
ply
format ascii 1.0
comment created by gply, a Houdini tool.
comment converted from .[b]geo
comment for more information about Houdini, try:
comment www.sidefx.com
element vertex 1966
property float x
property float y
property float z
property float nx
property float ny
property float nz
element face 508
property list uchar int vertex_indices
end_header
```