[vtkusers] Problem in using vtkImageBlend and vtkImageConstantPad

[Margaretha Sulistyoningsih]

Hallo,
 
I use vtkImageBlend to blend two images. Each image is first padded using vtkImageConstantPad. My problems are:
- When the constant of the pad is set to 0, then it seems that the first image is not covered by the second image. 
- Opacity of the first image (image number 0) is always 1, even I set both opacities as follows:
m_pImageBlendFusion->SetOpacity(0, opacity);
m_pImageBlendFusion->SetOpacity(1, (1-opacity));
 
Please help me to solve these problems. Thank you very much in advance.
 
br,
.Margaretha.
 

			
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