Hi, Dov,<br><br>I am using offscreen rendering without problem. In my code theres something like<br>renWin->SetOffScreenRendering<div id="mb_1">(1);<br><br>The input to vtkJPEGWriter should be<br><font size="3"><tt>
writeJPEG->SetInputConnection(w2if->GetOutput() );<br><br>Janny</tt></font></div><br><br><div><span class="gmail_quote">On 6/11/07, <b class="gmail_sendername">Dov Mayzlish</b> <<a href="mailto:dov.mayzlish@philips.com">
dov.mayzlish@philips.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br><font face="sans-serif" size="2">Hi,</font>
<br>
<br>
<br><font face="sans-serif" size="2">In win32 OS, vtk version 5.0.3 I'm trying
to create an offscreen rendered image, and get a black image (when onscreen
the actor appears perfect).</font>
<br>
<br><font face="sans-serif" size="2">My code is similar to this:</font>
<br>
<br><font size="3"><tt>vtkRenderer *ren1 = vtkRenderer::New();<br>
ren1->AddActor(actor);<br>
vtkRenderWindow *renWin = vtkRenderWindow::New();</tt></font>
<br><font size="3"><tt>renWin->OffScreenRenderingOn();<br>
renWin->AddRenderer(ren1);<br>
renWin->Render();</tt></font>
<br>
<br><font size="3"><tt>vtkWindowToImageFilter *w2if = vtkWindowToImageFilter::New();<br>
w2if->SetInput( renWin);<br>
<br>
vtkJPEGWriter *writeJPEG = vtkJPEGWriter::New();<br>
writeJPEG->SetInput (w2if->GetOutput() );<br>
writeJPEG->SetQuality(100);<br>
writeJPEG->SetFileName("out.jpg");<br>
writeJPEG->ProgressiveOff();<br>
writeJPEG->Write();<br>
</tt></font>
<br><font size="3"><tt>Can anyone help with ideas?</tt></font>
<br>
<br><font size="3"><tt>Thanks,</tt></font>
<br><span class="sg"><font size="3"><tt>Dov</tt></font>
<br></span><br>_______________________________________________<br>This is the private VTK discussion list.<br>Please keep messages on-topic. Check the FAQ at: <a onclick="return top.js.OpenExtLink(window,event,this)" href="http://www.vtk.org/Wiki/VTK_FAQ" target="_blank">
http://www.vtk.org/Wiki/VTK_FAQ</a><br>Follow this link to subscribe/unsubscribe:<br><a onclick="return top.js.OpenExtLink(window,event,this)" href="http://www.vtk.org/mailman/listinfo/vtkusers" target="_blank">http://www.vtk.org/mailman/listinfo/vtkusers
</a><br><br></blockquote></div><br>