[Paraview] RGB color coding

[Andy Bauer]

FYI: With PV 4.2 you'll need to use make_vector() instead of hstack.


On Fri, Aug 29, 2014 at 3:11 PM, Casey Goodlett <casey.goodlett at kitware.com>
wrote:

> Hi all,
>
> I often do something similar when reading data originally from a text
> table.  In this case I need to turn 3 arrays into a single 3-component
> uchar array for the purpose of RGB coloring.  I found that I can also use
> the following python calculator expression to accomplish this goal
> (assuming the arrays are named 'R', 'G', 'B' respectively).  This assumes
> the values are already scaled between 0-255.
>
> hstack([inputs[0].PointData['R'], inputs[0].PointData['G'],
> inputs[0].PointData['B']]).astype(uint8)
>
> --
> Casey B. Goodlett, Ph.D.
> Technical Leader
> Kitware, Inc. - North Carolina Office
> http://www.kitware.com
> (919) 969-6990 x310
>
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