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<DIV> </DIV>
<DIV>If i remove the code :</DIV>
<DIV>
<DIV>volumeMapper->CroppingOn();</DIV>
<DIV>volumeMapper->SetCroppingRegionPlanes(10,33,10,33,10,33);</DIV>
<DIV>volumeMapper->SetCroppingRegionFlagsToSubVolume();</DIV></DIV>
<DIV> </DIV>
<DIV>i can see the entire volume. And i test it in VTK's example medical4,
the result is the same.</DIV>
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<DIV><SPAN>qlizhi</SPAN></DIV>
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<DIV><B>From:</B> <A href="mailto:bill.lorensen@gmail.com">Bill
Lorensen</A></DIV>
<DIV><B>Date:</B> 2012-09-06 20:35</DIV>
<DIV><B>To:</B> <A href="mailto:qlizhi@gmail.com">qlizhi</A></DIV>
<DIV><B>CC:</B> <A href="mailto:vtkusers@vtk.org">vtkusers</A></DIV>
<DIV><B>Subject:</B> Re: [vtkusers] volume cropping</DIV></DIV></DIV>
<DIV>
<DIV class=FoxDiv20120906214203082702>If you remove the cropping, do you see the
entire volume?<BR><BR>
<DIV class=gmail_quote>On Thu, Sep 6, 2012 at 8:18 AM, qlizhi <SPAN
dir=ltr><<A href="mailto:qlizhi@gmail.com"
target=_blank>qlizhi@gmail.com</A>></SPAN> wrote:<BR>
<BLOCKQUOTE
style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote><U></U>
<DIV style="MARGIN: 10px">
<DIV>
<DIV>Hi All,</DIV>
<DIV>I'm trying to take a vtkImageData volume and crop it with the below
codes: (the volume data is headsq/quarter)</DIV>
<DIV> </DIV>
<DIV></DIV>
<DIV>
<DIV>vtkSmartPointer<vtkVolumeRayCastMapper> volumeMapper =</DIV>
<DIV>vtkSmartPointer<vtkVolumeRayCastMapper>::New();</DIV>
<DIV>volumeMapper->SetInput(v16->GetOutput());</DIV>
<DIV>volumeMapper->SetVolumeRayCastFunction(rayCastFunction);</DIV>
<DIV>volumeMapper->CroppingOn();</DIV>
<DIV>volumeMapper->SetCroppingRegionPlanes(10,33,10,33,10,33);</DIV>
<DIV>volumeMapper->SetCroppingRegionFlagsToSubVolume();</DIV></DIV>
<DIV></DIV>
<DIV>But what i get is an black widget ???</DIV>
<DIV>Best Regards,</DIV></DIV>
<DIV> </DIV>
<HR style="MIN-HEIGHT: 1px; WIDTH: 210px" align=left color=#b5c4df SIZE=1>
<SPAN class=HOEnZb><FONT color=#888888>
<DIV><SPAN>qlizhi</SPAN></DIV></FONT></SPAN></DIV><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
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clear=all>
<DIV><BR></DIV>-- <BR>Unpaid intern in BillsBasement at noware dot
com<BR><BR></DIV></DIV></BODY></HTML>