[vtkusers] Variable transparancy on vtkImageData

Miguel Angel Rodriguez Florido marf at itccanarias.org
Wed Sep 9 12:08:15 EDT 2009


	Please, have a look at:

 
http://markmail.org/search/?q=how+to+overlay&q=list%3Aorg.vtk.vtkusers#query:how%20to%20overlay%20list%3Aorg.vtk.vtkusers+page:1+mid:5yqzedtzblz5wipl+state:results

	Hth.

Mark Gooding wrote:
> I'm trying to render an image with transpanency proportional to the
> intensity the ImageActor input is being produced via
> vtkImageMapToWindowLevelColors, and I'm setting a vtkLookupTable for
> that. The alpha range of the vtkLookupTable (if set using
> SetAlphaRange) seems to make no difference to the transparency of the
> final ImageActor.
> 
> Is there a limitation in one of these classes which prevents this from
> working as I expected?
> 
> Once again my searching on the web/this mailing list hasn't helped me
> answer this question.
> 
> Cheers,
> 
> Mark
> _______________________________________________
> Powered by www.kitware.com
> 
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
> 
> Please keep messages on-topic and check the VTK FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
> 
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers



More information about the vtkusers mailing list