[vtkusers] why the displayed image is dark?

[zhao yong qiang]

Hi all,

   My VTK environment is win2000+MSVC6.

The following code is want to display BMP file:

  

    vtkBMPReader* reader = vtkBMPReader::New();

    reader->SetFileName(BMP file path);

    vtkImageViewer* viewer = vtkImageViewer::New();

    viewer->SetInput(reader->GetOutput());

    viewer->SetSize(256,256);

    viewer->Render();

but the image is so dark. Can somebody tell me the reason and how to
solve it?

 

Sincerely, 
                          Zhao Yongqiang
                          Dept. of Computer Science & Engineering
                          Shanghai JiaoTong University
                          Shanghai, China
                          zhao-yq at cs.sjtu.edu.cn

 

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