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Hi David,<br>
<br>
thank you so much for helping me.<br>
Now I get this error from cmake <span>even though the OpenGL2 renderer is not explicitly enabled on the command line</span>:<br>
<br>
<p></p>
<div>CMake Error at Rendering/OpenGL2/CMakeLists.txt:2 (message):<br>
  vtkRenderingOpenGL2 cannot be built with vtkRenderingOpenGL, please disable one of them.<br>
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<p></p>
<p><br>
</p>
<p>As the output of cmake shows, the dependency obiously comes from:<br>
</p>
<p></p>
<div>--  * vtkRenderingOpenGL2, needed by vtkRenderingLIC.<br>
</div>
<div>--  * vtkRenderingLIC, needed by VTK_Group_Rendering.<br>
<br>
Where <span>VTK_Group_Rendering</span> seems to be a core component.<br>
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<p></p>
Can VTK 6.3 be built without dependency on <span>OpenGL2 in the first place</span>?<br>
<p><br>
</p>
Best regards,<br>
Frank<br>
<hr>
<small>Siemensstr. 16, 76337 Waldbronn, Germany, Tel. +49 (0) 176 / 45989587</small><br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>Von:</b> David Lonie-2 [via VTK] <ml-node+<a href="/user/SendEmail.jtp?type=node&node=5740512&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>><br>
<b>Gesendet:</b> Freitag, 23. September 2016 16:58<br>
<b>An:</b> FrankHeimes<br>
<b>Betreff:</b> Re: CMake forgets to configure gl2ps for the vtkRenderingOpenGL backend</font>
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<div class="gmail_quote">On Wed, Sep 21, 2016 at 5:17 AM, FrankHeimes <span dir="ltr">
<<a href="/user/SendEmail.jtp?type=node&node=5740509&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>></span> wrote:<br>
<blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' class="gmail_quote" style="border-left:2px solid #CCCCCC; padding:0 1em; margin:0 0 0 .8ex; border-left:1px #ccc solid; padding-left:1ex">
I'm building VTK 6.3 using CMake 3.5.2 and Visual Studio 2015 on Windows.<br>
<br>
The call to   cmake ... -DVTK_RENDERING_BACKEND_<wbr>DEFAULT:STRING=OpenGL2<br>
succeeds with no problems. However, we need to stick to OpenGL and avoid<br>
dependencies on OpenGL2 features.<br>
<br>
The call to   cmake ... -DVTK_RENDERING_BACKEND_<wbr>DEFAULT:STRING=OpenGL  fails<br>
</blockquote>
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<div>The usual way to set the backend is with VTK_RENDERING_BACKEND, not VTK_RENDERING_BACKEND_DEFAULT. Can you try changing your cmake command to set this variable instead?</div>
<div><br>
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<div>Dave</div>
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