How to add color to my surface in VMTK

Operating system:VMTK
Slicer version:1.4
Expected behavior:
Actual behavior:
I want to add color to my surface in VMTK. Does anyone know how to do it? It’s better to write the pypepad command. I’m very impressed.

You need to be more specific: what did you do, what did you expected to happen, and what happened instead? What is your overall goal?