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<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>hey all, <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>I’m using the </span></font><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'>vtkWindowToImageFilter
class for the screen shot to a image file. I used VS2005, vtk 4.1 under the
windowXP. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=新宋体><span
lang=EN-US style='font-size:9.0pt;font-family:新宋体'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=新宋体><span
lang=EN-US style='font-size:9.0pt;font-family:新宋体'>Here is my code: <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=新宋体><span
lang=EN-US style='font-size:9.0pt;font-family:新宋体'><o:p> </o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'> vtkRenderWindow*
pRenderWindow = pWindow->getRenderWindow();<o:p></o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'><o:p> </o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'> vtkWindowToImageFilter*
pWindowToImageFilter = vtkWindowToImageFilter::New();<o:p></o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'> pWindowToImageFilter->SetInput(pRenderWindow);<o:p></o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'> pWindowToImageFilter->Update();<o:p></o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'><o:p> </o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'> vtkBMPWriter*
pBMPWriter = vtkBMPWriter::New();<o:p></o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'> pBMPWriter->SetInputConnection(pWindowToImageFilter->GetOutputPort());<o:p></o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'> pBMPWriter->SetFileName(<font
color=maroon><span style='color:maroon'>"C:\\ExportRenderWindow2BMP.jpg"</span></font>);<o:p></o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'><o:p> </o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'> pRenderWindow->Render();<o:p></o:p></span></font></p>
<p class=MsoNormal align=left style='text-align:left;text-autospace:none'><font
size=1 face=新宋体><span lang=EN-US style='font-size:9.0pt;font-family:新宋体'> pWindowToImageFilter->Modified();<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=新宋体><span
lang=EN-US style='font-size:9.0pt;font-family:新宋体'>pBMPWriter->Write();<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=新宋体><span
lang=EN-US style='font-size:9.0pt;font-family:新宋体'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>When the render image size
smaller than the screen size, in the other words, when you can see the whole image
in the screen, these code work fine;<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>But, when the render image
size bigger than the screen size, in the other words, after zoom in, when you
can only see a part of the image, you can only get what you see, the saved image
size is same to screen’s size. <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>I want to get the whole image
data to image file, who can help me, thanks for any advice!<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:21.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
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