I just uploaded a fixed version. Jay
On Fri, May 18, 2012 at 3:29 AM, Stephan Houben <stephan...@gmail.com> wrote: > This looks like a bug in gl-world. > > gl-world fails to specify the style 'gl to the canvas% constructor. > > See: http://docs.racket-lang.org/gui/canvas_.html?q=canvas > > I guess Jay is using a platform on which it happens to work without style > 'gl. > > Stephan > > > 2012/5/18 JP Verkamp <rac...@jverkamp.com> >> >> Interesting. Taking away the gl-world code and using the code to >> create a canvas% with a gl-context from here ( >> >> http://lists.racket-lang.org/users/archive/attachments/20100118/4272caa0/attachment-0001.ksh >> ) works just fine (albeit slowly, I need to get the OpenGL drivers >> working correctly again). >> >> Perhaps I'm using gl-world incorrectly. It would still be helpful if >> there was a way to get a better error message to tell me what was >> going wrong though. >> >> On Thu, May 17, 2012 at 6:09 PM, JP Verkamp <rac...@jverkamp.com> wrote: >> > For whatever reason I don't have that directory. I ran this version >> > instead: >> > https://raw.github.com/plt/racket/master/collects/sgl/examples/gears.rkt >> > >> > That worked fine, rotating the gears as expected and printing this to >> > the console: >> > RENDERER: Mesa DRI Intel(R) 945GM x86/MMX/SSE2 >> > VERSION: 1.4 Mesa 8.0.2 >> > VENDOR: Tungsten Graphics, Inc >> > EXTENSIONS: ... >> > >> > If it helps, I'm using Ubuntu 12.04 which either didn't have Racket or >> > at least not a newer version, so I'm installing from this PPA: >> > deb http://ppa.launchpad.net/plt/racket/ubuntu precise main >> > >> > On Thu, May 17, 2012 at 4:58 PM, Michael Wilber <mwil...@uccs.edu> >> > wrote: >> >> Can you run other OpenGL Racket programs? For example, try the gears >> >> example: >> >> >> >> racket /usr/lib/racket/collects/sgl/examples/gears.rkt >> >> >> >> On Thu, 17 May 2012 17:49:21 -0400, JP Verkamp <rac...@jverkamp.com> >> >> wrote: >> >>> Hopefully someone out there can help me out, I've run into a a bit of >> >>> a problem with the gl2d and gl-world packages from PLaneT. I've got a >> >>> relatively small sample and whenever I run the code (even after >> >>> commenting out all of the OpenGL specific code other than the big-bang >> >>> call), I always get this error: >> >>> >> >>> send: target is not an object: #f for method: call-as-current >> >>> >> >>> The one relevant response I've found thus far on the subject is from >> >>> Matthew Flatt from last December on the mailing list ( >> >>> http://lists.racket-lang.org/users/archive/2011-October/048813.html ) >> >>> which says to check "Do you have "libgdkglext-x11-1.0" and >> >>> "libgtkglext-x11-1.0" installed?", which I do. There's a .so for each >> >>> in my /usr/lib directory. After that though, I'm not sure where to go. >> >>> Is there perhaps some way to check which libraries that Racket is >> >>> trying to load / what else might be causing the error? >> >>> >> >>> Thanks, >> >>> JP >> >>> ____________________ >> >>> Racket Users list: >> >>> http://lists.racket-lang.org/users >> >> ____________________ >> Racket Users list: >> http://lists.racket-lang.org/users > > -- Jay McCarthy <j...@cs.byu.edu> Assistant Professor / Brigham Young University http://faculty.cs.byu.edu/~jay "The glory of God is Intelligence" - D&C 93 ____________________ Racket Users list: http://lists.racket-lang.org/users
