[vtkusers] How to reverse the colours to display contours.?

[rakesh patil]

Hello,

When I display contours, I use the default vtkLookupTable() to represent the
colour scheme. Default is min_value is red and max_value is blue.

Now what do I do in order to reverse it? I mean, min_value should be
depicted with blue colour and max_value with red colour. Is there any way to
do this?

Thanks

Regards
Rakesh Patil
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