Tractography saved in PLY with colors to OBJ with material (MTL)

Support
1

Operating system: Ubuntu.
Slicer version: 4.10.0
Expected behavior: I have the tractography in a PLY file in color. How can I convert to an OBJ file with material file (MTL).
Actual behavior:

2

A post was merged into an existing topic: Tractography in PLY with colors to OBJ with material (MTL) conversion