[vtkusers] color legend based on vtklookuptable

[Jothy]

Use vtkScalarBarActor

Jothy

On Thu, Apr 22, 2010 at 10:56 AM, rashedk <rashed.vtk at googlemail.com> wrote:
>
> I am using a vtklookuptable to color an actor (polygonal data) based on its
> point scalars. I want to display a color legend which tells what color
> corresponds to which scalar value. This is such an essential requirement in
> most visualizations. I have looked at vtkLegendBoxActor but how do I use
> this or any other class to draw a color bar legend preferably like the one
> seen in the attached image (with a color-gradient)
> http://old.nabble.com/file/p28326662/color_gradient_bar.png
>
> Any help appreciated.
>
> Rashed.
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