Opengl is independent of gl2 or gl2 emulation, in that it can run without gl2 in J7. However gl2 (more accurately jglcanvas) class can provide a convenient container for opengl.
Чтв, 17 Мар 2011, Ian Clark писал(а): > In J602 > > load jpath '~system\examples\graphics\opengl\lab\ogl_cube.ijs' > gl3lab_run'' > > ...draws a rotatable cube, with some of the faces coloured. > > Has anyone successfully extended this demo to draw a rotatable tesseract? > > My son would like to see such a demo. He is intrigued by the theory > that there's nothing 3D in the human visual cortex, apart from long > exposure to a (tactile) 3D world, and one can soon learn to manipulate > 4D objects almost as well. He'd like to test it out with his class. > (An experiment first performed by neuroscientist D M MacKay in the > 1950s, if I recall?) > > ---- > > BTW I note these relevant threads and am about to study them in > greater depth than hitherto... > [Jprogramming] cubes (started by Raul Miller, 4/1/10) > [Jgeneral] gtkide graph package using gl2 emulation (started by Bill > Lam Feb 28). > > From these I dimly gather OpenGL is now available in JGTK on most > platforms, but not Mac yet (which stymies me). So in theory > ogl_cube.ijs will work (--or can be made to, by replacing isigraph)? > > It also occurs to me it may turn out a lot easier to work with 3D > projections using a 2D package (gl2 emulation?) and then extend this > to 4D rather than start with a 3D package (OpenGL) and work with > tesseract projections into 3-space. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
