[Brlcad-tracker] [ brlcad-Support Requests-1392029 ] Raytrace Issue
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From: SourceForge.net <no...@so...> - 2006-01-05 14:14:49
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Support Requests item #1392029, was opened at 2005-12-28 10:23 Message generated for change (Comment added) made by stanlje You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=640803&aid=1392029&group_id=105292 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Raytrace Group: release 7.6 >Status: Closed Resolution: None Priority: 5 Submitted By: James Stanley (stanlje) Assigned to: Sean Morrison (brlcad) Summary: Raytrace Issue Initial Comment: I had the systems administrator load BRL-CAD 7.6.4 on one of our 8 node linux servers running Red Hat Enterprise Linux AS release 3 (Taroon Update 6). My client is a Dell PC (Windows XP) running X32 version 6 Build 1. Since BRL-CAD is new, I have been running the tutorial in volume II. In lessons 4 and 5, it appears the raytrace does not work since, nothing appears to be happening when I press the button. I have tried to change the background but again, it appears nothing happens in the GUI window. The command line window states "..RayTracing Complete" or something along those lines. Please help. ---------------------------------------------------------------------- >Comment By: James Stanley (stanlje) Date: 2006-01-05 09:14 Message: Logged In: YES user_id=1411147 When I started looking around on the server, I discovered that the OpenGL libraries were missing. Once they were downloaded from MESA at this site... the tool works great. Thanks for pointing me in the right direction. Regards, James ---------------------------------------------------------------------- Comment By: James Stanley (stanlje) Date: 2005-12-29 11:01 Message: Logged In: YES user_id=1411147 I could not include the two bmp files... ---------------------------------------------------------------------- Comment By: James Stanley (stanlje) Date: 2005-12-29 10:59 Message: Logged In: YES user_id=1411147 Thank you for all of your help. The rt -F/dev/Xl -s800 worked. Attached please find the bmp file with that rendering.... apparently the ogll (Open GL) did not work. Attached you will find another file that has that rendering. It had the framebuffer with no object in it. I ran fbhelp and included it as well in the Wordpad file. The Wordpad file provides the response with each entry after it ran. I also ran ./sierpinski3d with response Xlib: connection to ":0.0" refused by server, Xlib: No protocol specified but it renders the 3d screensaver. I would appreciate any suggestions or fixes that you may have. I am not very Open GL savy... Thanks and Cheers, James ---------------------------------------------------------------------- Comment By: Sean Morrison (brlcad) Date: 2005-12-28 22:58 Message: Logged In: YES user_id=785737 There could be several causes for what seems to be "nothing happening" in the GUI window. Start out with a quick test of the raytracer by itself first, going to a plain X11 window. Run this in the mged command window: rt -F/dev/Xl -s800 (That's dev ex-ell, not dev ex-one) That rt line should render to an 800x800 lingering X11 framebuffer window. If it does work, try this next: rt -F/dev/ogll -s800 That should render to a lingering OpenGL X11 framebuffer window. The mged graphics window is OpenGL by default for 7.6.4 under Linux, so I suspect that's what's failing. There can, however, be many causes for it to fail. Let me know how those two tests turn out. If anything, the first should provide a means forward while the issue can be looked into. If either fails, it would also help if you run "fbhelp" from outside of mged and provide the output here as well. Cheers! ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=640803&aid=1392029&group_id=105292 |