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And one other thing worth noting, your output says: OpenGL version string: 1.3 Mesa 6.4.2 and if that is really the case then there is no real advantage to using OpenGL over Tk. A couple of common OpenGL problems. There are two flags in environment.txt that can cause problems, GLUT_NEED_INIT and GL_FLAG. Unfortunately OpenGL doesn't respond gracefully if you choose the wrong options here, it just crashes. Each of those has two options so in theory there are four options total to try (via "make clean" and "make"). But that might not be the problem. It could be that a different glut is being picked up at runtime than was used at compile time. Or it could be that your graphics card driver needs updating (but I'm not sure that's a likely problem if you are indeed using Mesa). Wayne On Wed, 20 Jun 2007, Brian Smith wrote: > Marco, > > On Wed, 20 Jun 2007, Marco Roeben wrote: > > > I've some problems with OpenGL and ccpn. I am creating a new project and > > changed the display mode to OpenGL. ccpn is crashing when I'm importing a > > spectra. > > Maybe someone knows a solution? > > We need to know more about your hardware/operating system to be able to > help. > > -- > Dr. Brian O. Smith ---------------------- B Smith at bio gla ac uk > Division of Biochemistry & Molecular Biology, > Institute Biomedical & Life Sciences, > Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK. > Tel: 0141 330 5167/6459/3089 Fax: 0141 330 8640 >