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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Von:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Aashish Chaudhary [mailto:aashish.chaudhary@kitware.com]
<br>
<b>Gesendet:</b> Donnerstag, 23. April 2015 13:36<br>
<b>An:</b> Leucht, Nicola<br>
<b>Cc:</b> vtkusers@vtk.org<br>
<b>Betreff:</b> Re: [vtkusers] Stereo rendering problem with OpenGL2<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Your code looks fine. Can you post a screen capture of what you see? <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">- Aashish<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Thu, Apr 23, 2015 at 7:20 AM, Leucht, Nicola <<a href="mailto:Nicola.Leucht@karlstorz.com" target="_blank">Nicola.Leucht@karlstorz.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Hi,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">I’m using VTK 6.2.0 with the OpenGL2 backend.
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">When rendering in stereo (interlaced mode), there are two horizontal lines in the middle of the window that belong to one eye.
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Code:<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkRenderer</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>
renderer = </span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkRenderer</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>::New();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkRenderWindow</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>
renderWindow = </span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkRenderWindow</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>::New();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderWindow->AddRenderer(renderer);</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkRenderWindowInteractor</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>
renderWindowInteractor = </span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkRenderWindowInteractor</span><span style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>::New();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderWindowInteractor->SetRenderWindow(renderWindow);</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSphereSource</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>
sphereSource = </span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSphereSource</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>::New();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">sphereSource->SetCenter(0.0, 0.0, 0.0);</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">sphereSource->SetRadius(50.0);</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">sphereSource->SetPhiResolution(100);</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">sphereSource->SetThetaResolution(100);</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkOpenGLPolyDataMapper</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>
mapper = </span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkOpenGLPolyDataMapper</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>::New();
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">mapper->SetInputConnection(sphereSource->GetOutputPort());</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkActor</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>
actor = </span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkSmartPointer</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white"><</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white">vtkActor</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">>::New();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">actor->SetMapper(mapper);</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">mapper->Update();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderer->AddActor(actor);</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderer->GetActiveCamera()->SetEyeAngle(30);</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderer->ResetCamera();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderer->SetBackground(.3, .6, .3);
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderWindow->StereoCapableWindowOn();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderWindow->SetStereoTypeToInterlaced();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none">
<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderWindow->StereoRenderOn();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white">renderWindowInteractor->Start();</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Is there anything I need to change in my code?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Kind regards</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="color:#888888">Nicola</span><span style="color:#888888"><o:p></o:p></span></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal"><i><span style="font-family:"Trebuchet MS","sans-serif"">| Aashish Chaudhary
<br>
| Technical Leader <br>
| Kitware Inc. </span></i><o:p></o:p></p>
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<p class="MsoNormal"><i><span style="font-family:"Trebuchet MS","sans-serif"">| </span><a href="http://www.kitware.com/company/team/chaudhary.html" target="_blank">http://www.kitware.com/company/team/chaudhary.html</a></i><o:p></o:p></p>
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