<div dir="ltr">Not that I am aware of. You would have to compile VTK master with OpenGL2 backend. </div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Mar 24, 2016 at 2:39 PM, David Warren <span dir="ltr"><<a href="mailto:davideugenewarren+vtk@gmail.com" target="_blank">davideugenewarren+vtk@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>Hi Aashish,<br><br></div> Thanks for the quick reply! Is there a way to check whether the VTK python module that we've got access to uses the OpenGL1 backend by default, and if so, is there a way to switch over to the OpenGL2 backend? Best,<br><br></div>Dave<br></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Mar 24, 2016 at 1:16 PM, Aashish Chaudhary <span dir="ltr"><<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi David, <div><br></div><div>It sounds like you are using OpenGL1 backed. I would suggest using OpenGL2 backend which works on most of the Mac systems. </div><div><br></div><div>Thanks,</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Thu, Mar 24, 2016 at 1:46 PM, David Warren <span dir="ltr"><<a href="mailto:davideugenewarren+vtk@gmail.com" target="_blank">davideugenewarren+vtk@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div><div>Hi all,<br><br></div> I'm writing a set of scripts that
render neuroimaing data using VTK. On Windows and Linux everything is
working well, but a friend who is using OS X reports the following
error:<br><br>ERROR: In /Users/ilan/minonda/conda-bld/work/VTK-6.3.0/Rendering/VolumeOpenGL/vtkOpenGLGPUVolumeRayCastMapper.cxx, line 4040<br>vtkOpenGLGPUVolumeRayCastMapper
(0x103b90000): Rendering failed because the following OpenGL extensions
are required but not supported: Disabled on Apple OS X Snow Leopard
with nVidia.<br><br></div> He reports that his hardware is AMD
(Radeon HD 6970M 1024 MB) and that he is running OS X 10.10.5 Yosemite.
We're all using the Anaconda Python distribution (v2.5.0) and the VTK
module that they supply (which is v6.3.0).<br clear="all"><div><br></div><div> Any thoughts? Many thanks,<br><br></div>Dave</div>
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<br></blockquote></div><span><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr"><font face="trebuchet ms, sans-serif"><i>| Aashish Chaudhary <br>| Technical Leader <br>| Kitware Inc. <br></i></font><div><i><font face="trebuchet ms, sans-serif">| </font><a href="http://www.kitware.com/company/team/chaudhary.html" target="_blank">http://www.kitware.com/company/team/chaudhary.html</a></i></div></div></div>
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</blockquote></div><br></div>
</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><font face="trebuchet ms, sans-serif"><i>| Aashish Chaudhary <br>| Technical Leader <br>| Kitware Inc. <br></i></font><div><i><font face="trebuchet ms, sans-serif">| </font><a href="http://www.kitware.com/company/team/chaudhary.html" target="_blank">http://www.kitware.com/company/team/chaudhary.html</a></i></div></div></div>
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