Hej, On Wed, 23 Aug 2006, Duncan Murdoch wrote:
> On 8/23/2006 5:15 PM, Gaspard Lequeux wrote: > >> When exporting a image from rgl, the following error is encountered: >> >>> rgl.postscript('testing.pdf', fmt="pdf") >> RGL: ERROR: can't bind glx context to window >> RGL: ERROR: can't bind glx context to window >> Warning messages: >> 1: X11 protocol error: GLXBadContextState >> 2: X11 protocol error: GLXBadContextState >> >> The pdf file is created and is readable, but all the labels are gone. >> >> Taking a snapshot (to png) gives 'failed' and no file is created. >> >> Version of rgl used: 0.67-2 (2006-07-11) >> Version of R used: R 2.3.1; i486-pc-linux-gnu; 2006-07-13 01:31:16; >> Running Debian GNU/Linux testing (Etch). > > That looks like an X11 error to me, not something that I'm very likely > to be able to fix. If you can debug the error, it would be helpful. Actually after upgrading everything (debian testing (etch)) and restarting X, I didn't get that error anymore. It was worse: R crashed: > library(rgl);triangles3d(c(1,,2,3),c(1,2,4),c(1,3,5));rgl.postscript('testing.pdf','pdf') X Error of failed request: GLXBadContextState Major opcode of failed request: 142 (GLX) Minor opcode of failed request: 5 (X_GLXMakeCurrent) Serial number of failed request: 85 Current serial number in output stream: 85 [EMAIL PROTECTED]:~/seqanal$ I downloaded the source package (debian testing (etch), rgl-0.67-2). In rgl-0.67-2/src/ I changed the following files: rglview.cpp, around line 587. Commenting the function call gl2psBeginPage removed the crash (but also no pdf output...) I enabled this function again and went to gl2ps.c, to the function gl2psBeginPage. At the end of that function, around line 4426, commenting out the line glRenderMode(GL_FEEDBACK); removes the R crash, but of course still no pdf output (well, only the background). GL_FEEDBACK is defined in /usr/include/GL/gl.h as: /* Render Mode */ #define GL_FEEDBACK 0x1C01 #define GL_RENDER 0x1C00 #define GL_SELECT 0x1C02 Trying glRenderMode(GL_RENDER) removed the crash, but still only the background in the pdf. If someone has some suggestions about what to do next... /Gaspard ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.