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<DIV><FONT size=2>Bingo! xabi, you are great</FONT><FONT size=2>!!</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>I use another way to do this, it seems better to
work:</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2> vtkRenderWindow* pRenderWindow =
pWindow->getRenderWindow();<BR> vtkRenderer* pRenderer =
pRenderWindow->GetRenderers()->GetFirstRenderer();</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT
size=2> pRenderWindow->OffScreenRenderingOn();<BR> <BR> vtkRenderLargeImage*
pRenderLargeImage =
vtkRenderLargeImage::New();<BR> pRenderLargeImage->SetInput(pRenderer);<BR> pRenderLargeImage->SetMagnification(1);</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2> vtkBMPWriter* pBMPWriter =
vtkBMPWriter::New();<BR> pBMPWriter->SetInputConnection(pRenderLargeImage->GetOutputPort());<BR> pBMPWriter->SetFileName("C:\\ExportRenderWindow2BMP.jpg");</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT
size=2> pWindow->getRenderWindow()->Render();<BR> pRenderLargeImage->Modified();<BR> pBMPWriter->Write();</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT
size=2> pRenderLargeImage->Delete();<BR> pRenderWindow->OffScreenRenderingOff();</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>It is important for the OffScreenRenderingOn() function, thank
xabi again!</FONT></DIV></BODY></HTML>