[vtkusers] Change vtkChartXY grid opacity

[Eric E. Monson]

Hey Jothy,

That should basically be the right way to do it. If you're feeding the opacity call a float, you should be using ->SetOpacityF(0.6), but that basic method works for me...

Are you using VTK dev or 5.6?

-Eric

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Eric E Monson
Duke Visualization Technology Group


On Aug 12, 2011, at 9:37 AM, Jothy wrote:

> Hi all,
> 
> How could I change grid opacity in vtkChartXY?
> 
> I tried  chart->GetAxis(vtkAxis::BOTTOM)->GetGridPen()->SetOpacity(0.6);
> 
> But no effect.
> 
> Thanks
> 
> Jothy
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