[vtkusers] [VTKUsers] How to change the color of the contour line?

[hongsongyang]

Dear all,

I have a question about the colors of the contour lines.

When I use the vtkContourFilter as follow:

 

vtkContourFilter contours

  contours SetInputConnection [extract GetOutputPort]

  contours GenerateValues 2  0  100

 

There will be 2 contour lines generated, the 1st line color will always be
BLUE, and the 

Second line color will always be RED.

 

How could I change the contour line color manually?

 

Thanks a lot.

 

Best regards,

Hongsongyang.

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