Gökhan Sever wrote: > This is technically called OpenGL backend, isn't it?
well, I think it's different -- he's not really using the standard backend API. The trick with doing a real OpenGL back-end, is that a lot of computation time is spend doing transforms, and that can't be fully pushed to the back-end, because MPL provided arbitrary transforms. There is also a fair bi tof time spent pushing data to the back-end. I think to really get the benefit of OpenGL, you'd need the back-end to be semi-perstent -- you'd pass data in, and teh back-end would render it without having to pass the data in again. This would only support transforms that the back-end supports (linear only?). However, I think there could still be areal performance benefit bey breaking the transform pipeline into two parts -- one from arbitrary coordinates to something orthogonal and linear, and then a final one from that to screen coordinates (zooming and panning). Then you'd at least get full hardware accelerated performance for zooming and panning We're doing this for a high-performance interactive mapping app, and it's working pretty well. However, OpenGL is pretty darn low-level, so there's a lot of code to write! -Chris -- Christopher Barker, Ph.D. Oceanographer Emergency Response Division NOAA/NOS/OR&R (206) 526-6959 voice 7600 Sand Point Way NE (206) 526-6329 fax Seattle, WA 98115 (206) 526-6317 main reception chris.bar...@noaa.gov ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
