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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">What you did sounds fine. Something else must be pulling the old OpenGL in. Try looking at the cmake configure output for vtkRenderingOpenGL and see if there is a module requiring it. Typically it looks something like</span></a></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal">* vtkjpeg, needed by 2 modules:</p><p class="MsoNormal">vtkIOImage</p><p class="MsoNormal">vtktiff<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">maybe seeing what modules are requiring it will give you an idea on what needs to be turned off.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Thanks</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Ken</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Ken Martin PhD</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Chairman & CFO</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Kitware Inc.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">28 Corporate Drive</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Clifton Park NY 12065</span></p><p class="MsoNormal"><a href="mailto:ken.martin@kitware.com"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue">ken.martin@kitware.com</span></a><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">518 881-4901 (w)</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">518 371-4573 (f)</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">This communication, including all attachments, contains confidential and legally privileged information, and it is intended only for the use of the addressee. Access to this email by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution or any action taken in reliance on it is prohibited and may be unlawful. If you received this communication in error please notify us immediately and destroy the original message. Thank you.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> vtk-developers [mailto:<a href="mailto:vtk-developers-bounces@vtk.org">vtk-developers-bounces@vtk.org</a>] <b>On Behalf Of </b>Andrew Maclean<br><b>Sent:</b> Tuesday, November 11, 2014 5:40 PM<br><b>To:</b> VTK Developers<br><b>Subject:</b> [vtk-developers] OpenGL2 and Windows 8.1 - how to disable vtkRenderingOpenGL</span></p><p class="MsoNormal"> </p><div><p class="MsoNormal">I thought I might try an OpenGL2 build in Windows 8.1 for VTK.</p><div><p class="MsoNormal"> </p><div><p class="MsoNormal">I keep getting this error:</p></div><div><p class="MsoNormal"><span style="color:red">CMake Error at Rendering/OpenGL/CMakeLists.txt:3 (message):<br>vtkRenderingOpenGL cannot be built with vtkRenderingOpenGL2, please disable<br>one of them.</span></p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">How do I disable vtkRenderingOpenGL?</p></div><div><p class="MsoNormal">I deleted the cache and set the VTK_RENDERING_BACKEND variable to OpenGL2, which I thought would have automatically disabled vtkRenderingOpenGL.</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Any advice?</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Thanks</p></div><div><p class="MsoNormal"> Andrew</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">-- </p><div><p class="MsoNormal">___________________________________________<br>Andrew J. P. Maclean<br><br>___________________________________________</p></div></div></div></div></div></body></html>