[Paraview] ParaView v5.2.0: Problems with inspecting Use Below (Above) Range Color

[Nenad Vujicic]

Utkarsh,

Thank you very much! I made mistake by casting vtkScalarsToColors to
vtkLookupTable always, without inspecting of other branches! When I put
conditional checking if it is maybe
vtkPVDiscretizableColorTransferFunction, it started working! Thank you very
much for your help!

Nenad.

On Wed, Feb 22, 2017 at 2:12 AM, Utkarsh Ayachit <
utkarsh.ayachit at kitware.com> wrote:

> Where are you getting the vtkLookupTable from? ParaView doesn't use
> vtkLookupTable directly, is uses vtkPVDiscretizableColorTransferFunction
> <http://www.paraview.org/ParaView/Doc/Nightly/www/cxx-doc/classvtkPVDiscretizableColorTransferFunction.html>
>  .
>
> Utkarsh
>
> On Tue, Feb 21, 2017 at 11:42 AM, Nenad Vujicic <nenadus at gmail.com> wrote:
>
>> Hello everyone,
>>
>> I'm trying to inspect values of "UseBelowRangeColor" and
>> "UseAboveRangeColor" flags from my ParaView exporter plugin by:
>>
>> 1. Retrieving vtkCompositePolyDataMapper2 from currently active view and
>> rendering window, then,
>> 2. Getting it's vtkLookupTable and then calling GetUseAboveRangeColor()
>> and GetUseBelowRangeColor(),
>>
>> However, first call (for checking using above range color) always passes
>> and returns some big number and second one (for checking using below range
>> color) always crashes, regardless whether flags are turned ON / OFF in
>> ParaView UI.
>>
>> Any suggestions about this or ideas how I could pick up these values in
>> different way?
>>
>> Thanks in advance!
>> Nenad.
>>
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