Colored coincident surface display problem

Support
1

As shown in the figure, the three colored surfaces partially overlap. It appears weird.
How can i avoid this?
coincideFace

2

This may help: http://vtk.1045678.n5.nabble.com/Coincident-topology-questions-td5746090.html

3

Hello,Andras lasso.This link seems to have failed.

4

The archive on nabble seems to be gone, but you can use this page instead: [vtkusers] Coincident topology questions

5

Hello,Andras lasso.Is there a similar package in VTK? Just like the content in the link.OpenGL Tessellation

6

Check out vrkTriangleFilter, it probably does what you need.