<div dir="ltr">I think volumeMapper.SetInput(chnager.GetOutputPort()) should be volumeMapper.SetInput<font size="4"><b><span style="color: rgb(51, 102, 255);">Connection</span></b></font>(chnager.<div id=":sl" class="ii gt">
GetOutputPort())<br><br>Jothy<br></div><br><br><div class="gmail_quote">On Thu, Jun 3, 2010 at 4:13 PM, John Drescher <span dir="ltr"><<a href="mailto:drescherjm@gmail.com">drescherjm@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div class="im">On Thu, Jun 3, 2010 at 11:00 AM, Chris Turner<br>
<<a href="mailto:cturnercomplex@googlemail.com">cturnercomplex@googlemail.com</a>> wrote:<br>
> Hi John!<br>
><br>
> Thanks for your answer! But it still has no impact on the rendered<br>
> volume. Maybe there is something wrong with my pipeline. This is<br>
> basically the code I'm using:<br>
><br>
> # Get volume from another instance<br>
> inputVolume = scene.GetNodeByID(inVolume)<br>
><br>
> # The volume will be displayed by ray-cast alpha compositing.<br>
> # A ray-cast mapper is needed to do the ray-casting, and a<br>
> # compositing function is needed to do the compositing along the ray.<br>
> rayCastFunction = vtk.vtkVolumeRayCastCompositeFunction()<br>
><br>
> changer=vtk.vtkImageChangeInformation()<br>
> changer.SetInput(inputVolume.GetImageData())<br>
> changer.SetOutputSpacing(0.4,0.4,0.38)<br>
> changer.SetOutputOrigion(-49.424,-97.42,-14.825)<br>
><br>
> volumeMapper = vtk.vtkVolumeRayCastMapper()<br>
> volumeMapper.SetInput(chnager.GetOutputPort())<br>
> volumeMapper.SetVolumeRayCastFunction(rayCastFunction)<br>
><br>
> Volume = vtk.vtkVolume()<br>
> Volume.SetMapper(volumeMapper)<br>
><br>
> renderer.AddViewProp(Volume)<br>
><br>
><br>
> Looks good to me - what do you think?<br>
><br>
<br>
</div>Possibly need to call changer.Update(); before<br>
volumeMapper.SetInput(chnager.GetOutputPort())<br>
<div><div></div><div class="h5"><br>
John<br>
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