On Wed, Jul 29, 2009 at 1:01 AM, Art<grenan...@gmail.com> wrote: > I have a scatter plot that requires some time to render. The horizontal axis > is time. Currently, I generate the full scatter plot each time and draw a > axvline to indicate the progress of time, save the file as a png for each > time, and generate a movie for all time frames. The scatter plot portion > doesn't change, just the vertical line. > > I was wondering if there was a way to speed this up, to generate the scatter > plot once and then overlay it with a moving axvline. I would still have to > save the png frame by frame, but the most expensive step by far is > replotting the scatter plot over and over.
This is what the animation/blit api is designed to do: http://www.scipy.org/Cookbook/Matplotlib/Animations scipy.org appears down right now, so you may need to try again later. See also these mpl examples: http://matplotlib.sourceforge.net/search.html?q=codex+blit JDH ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users