efiring wrote:
> 
> Deltarodigy wrote:
>> For my program I have been trying to animate a contour plot, the color
>> bar,
>> and a subtitle saying what time step it is. I have gotten the graph to
>> write
>> over itself but cannot get it clear the screen properly. Currently using
>> the
>> clf function the wipe is visible messing with animation.
> 
> This is because all pylab/pyplot functions include a 
> draw_if_interactive.  They are intended for interactive use, not for 
> programmed animation.  For that you should use the OO interface.  Have 
> you worked through the animation examples? 
> http://matplotlib.sourceforge.net/examples/index.html
> 
> Mpl is not particularly fast, and some operations like contouring are 
> inherently slow, so unless the fields you are contouring are quite 
> simple you may run into performance problems.
> 
> For animation of contours, you normally want to have contours at fixed 
> intervals, so I expect you will want to specify those contour levels as 
> an argument to the contour and contourf functions (or Axes methods, when 
> you switch to an OO style.)  That will allow drawing the colorbar only
> once.
> 
> Eric
> 
>> 
>> Here is a link to my project, the graph code is all in gui.py the rest of
>> the files are for the generation of the data.
>> http://code.google.com/p/scc08/source/browse/#svn/branch/realistic2d
> 
> 
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I have gotten that far the calculations take so long the rendering speed is
not too important. I have been working on this and I got the subtitle to
animate. My current problem involves the colorbar. When I update the contour
graph and the titles the written over cleanly, but when the colorbar is
redrawn it draws a second one right next to it. Reading other threads I
tried the clf command but the makes the animation kludgy and it has to
reshrink all of the graphs and such.
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