[vtkusers] update polydata

[Jérôme]

Hi,

After you have changed a value, you have to tell the RenderWindow to Render(
). In general, setting a value does set the Modified flag, so calling it
explicitly is somewhat rare. And in general too, interacting with the
renderwindow (eg mouse move) invoke a render.

HTH
Jerome

2010/3/11 Martin Allerstorfer <allerstorfer_martin at gmx.at>

> Hi,
>
> Nobody with similar problems. I would like to change transparency values of
> polygons interactivly. Any ideas?
>
> Thanks,
> Martin
>
> >Hi,
> >
> >Does anybody know how I can update the polydata after changing color
> values of some polygons? I know there are the Update and Modified functions
> which I tried on polydata, the color array, the celldata, etc. But it does
> not change anything.
> >
> >Thanks for your help,
> >Martin
>
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