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Subject:	Re: LDGLite outputting gobble-dee-goo to terminal window
Newsgroups:	lugnet.cad.dev.mac
Date:	Mon, 28 Jul 2003 15:01:05 GMT
Viewed:	1821 times

> Oops... before I get to excited, moving a piece creates some bitchin' > trail lines :) that go away when the view is changed. > > http://users.rcn.com/cjmasi/trail_lines.png I think I may have found the cause of this one. http://www.geocrawler.com/archives/3/704/2000/9/0/4312491/ This guy found the same bug on his Mac. Writing to the GL_FRONT buffer seems to also write over whatever you may have stashed away in the GL_BACK buffer. The only workaround I can think of is to copy the image to regular system memory, or redraw the whole model every time you move a part. Copying an an opengl image buffer to system memory is typically quite slow. How slow are the full model redraws when you change the view? Don

Message has 2 Replies:

		Re: LDGLite outputting gobble-dee-goo to terminal window
(...) Found a much more recent post on this indicating that it may still be a problem with current Macs... Also contains a bit more info as to what's really going on. (URL) The only workaround I can think of is to (...) (21 years ago, 28-Jul-03, to lugnet.cad.dev.mac)

		Re: LDGLite outputting gobble-dee-goo to terminal window
(...) Less that a second for my Mini, but it is mini :) About 4 seaconds for my black tank car, which has 284 (?) parts. About 8 seconds to draw my GP30. The dat for the GP30 has 817 lines (not all of them are parts). Redraw the model every time... (...) (21 years ago, 29-Jul-03, to lugnet.cad.dev.mac)

Message is in Reply To:

		Re: LDGLite outputting gobble-dee-goo to terminal window
(...) Hi Don, I just compiled it with make -f makefile.macx (it is a good thing the Linux directions work for Mac because I have no idea what I am doing). I didn't do any extensive testing, but with a bit of playing in edit mode everything seems to (...) (21 years ago, 23-Jul-03, to lugnet.cad.dev.mac)

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