<div dir="ltr">Can you try replacing w2i.Modified() with w2i.Update() ?<br><br><br>Jothy<br><br><div class="gmail_quote">On Wed, Oct 26, 2011 at 4:02 PM, steelblue <span dir="ltr"><<a href="mailto:812075761@qq.com">812075761@qq.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">hi everyone:<br>
<br>
i have problem about save vtkRenderWindow as JPEG file,<br>
this is my code:<br>
<br>
vtkRenderWindow<br>
renWin=vtkpanel.getRenderWindow();//vtkpanel is a vtkPanel<br>
vtkWindowToImageFilter w2i =new vtkWindowToImageFilter();<br>
w2i.SetInput(renWin);<br>
w2i.Modified();<br>
vtkJPEGWriter writer =new vtkJPEGWriter();<br>
writer.SetInput(w2i.GetOutput());<br>
writer.SetFileName("f://vtk.jpg");<br>
writer.Write();<br>
<br>
but the result only a JPEG file that is black,total black ,,..<br>
<br>
the problem bothered me so much,,who can give me a solution......<br>
thanks so so much!!<br>
<font color="#888888"><br>
--<br>
View this message in context: <a href="http://vtk.1045678.n5.nabble.com/a-question-about-save-vtkRenderWindow-as-JPEG-file-tp4940006p4940006.html" target="_blank">http://vtk.1045678.n5.nabble.com/a-question-about-save-vtkRenderWindow-as-JPEG-file-tp4940006p4940006.html</a><br>
Sent from the VTK - Users mailing list archive at Nabble.com.<br>
_______________________________________________<br>
Powered by <a href="http://www.kitware.com" target="_blank">www.kitware.com</a><br>
<br>
Visit other Kitware open-source projects at <a href="http://www.kitware.com/opensource/opensource.html" target="_blank">http://www.kitware.com/opensource/opensource.html</a><br>
<br>
Please keep messages on-topic and check the VTK FAQ at: <a href="http://www.vtk.org/Wiki/VTK_FAQ" target="_blank">http://www.vtk.org/Wiki/VTK_FAQ</a><br>
<br>
Follow this link to subscribe/unsubscribe:<br>
<a href="http://www.vtk.org/mailman/listinfo/vtkusers" target="_blank">http://www.vtk.org/mailman/listinfo/vtkusers</a><br>
</font></blockquote></div><br><br clear="all"><br>-- <br><div dir="ltr">Jothybasu K Selvaraj<br>PhD Student<br>University of Liverpool<br>Liverpool,UK<br></div><br>
</div>