[Paraview] Highlighting Selected Area

[Utkarsh Ayachit]

Hey Rafael,

Okay this is a bit advanced (and hacky at the same time -- in ParaView 
design object inspector panels are never meant to affect the active 
selection), but you can give it a try for your plugin.

In your custom object, when the user changes the 'index' you can set up 
a ("sources", "ThresholdSelectionSource") proxy instance (create a new 
one if needed) and set it as the selection input to the proxy the panel 
is showing (vtkSMSourceProxy::SetSelectionInput). You can look at 
pqSelectionInspectorPanel::select to see how the a new selection source 
may be created.

Utkarsh

Rafael March wrote:
> Hey paraview comunity,
> 
> I have a problem, and I think you can show me the path to solve it.
> 
> I've programmed a plugin which has a custom Object Panel. In this panel, 
> I can select in a QComboBox an integer number, from 0 to 6. Suppose now 
> that I have an unstructured grid, whose cells contain a scalar data 
> field. What I want to do is, when a specific integer is selected, the 
> cells which have this number associated as scalar data have their edges 
> "highlighted". By highlighted I mean coloured in green, pink, red, or 
> any different color.
> 
> ParaView colors my model according to the number associated with each 
> cell. I want to have this colors preserved. What I want to do is exactly 
> what Selection Inspector does, when I choose to select by Threshold.
> 
> Any suggestions ?
> 
> Thanks y'all,
> Rafael March.
> 
> 
> 
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