[vtkusers] ImageData Transparency

[Alex Southern]

Ah of course, a mask.

Thanks that's perfect.
Cheers
A.

On 28.10.2010 15:28, David Doria wrote:
> On Thu, Oct 28, 2010 at 5:56 AM, Alex Southern <mrapsouthern at gmail.com 
> <mailto:mrapsouthern at gmail.com>> wrote:
>
>     Hi,
>
>     ImageData must be rectangular, but I want certain points in the
>     imageData to be transparent. I have seen the SetOpacity setting,
>      but that affects all the ImageData.
>
>     Can anyone tell me what my options are for this?
>
>     Thanks
>     A
>
>
> This should do the trick:
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/Transparency
>
> David

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