trouble with matplotlib

[tleeuwenburg at gmail.com]

One hack could be to reload the module on each pass.

Cheers,
-T

lisa.engblom at gmail.com wrote:
> Hi,
>
> I am using matplotlib with python to generate a bunch of charts.  My
> code works fine for a single iteration, which creates and saves 4
> different charts.  The trouble is that when I try to run it for the
> entire set (about 200 items) it can run for 12 items at a time.  On the
> 13th, I get an error from matplotlib that says it can't access data.
> However, if I start the program at the point it failed before it works
> fine and will create the charts for the next 12 before failing.  I
> assume that I am not closing the files properly somehow or otherwise
> misallocating memory.  This is the function that creates a chart:
>
> #create and save the figure
> def CreateFigure(state, facility, unit, SO2, increment, year, P99):
>     size = len(SO2)
>
>     #Create Plot
>     figure(1, figsize=(10,8))
>     bar(range(1, size+2), SO2, width=0.1, color='k')
>     grid(True)
>     xlim(0,size)
>     ylim(0, 1.1*SO2[-1])
>     ylabel('SO2 [lb/hr]')
>     heading = ConstructFigName(state, facility, unit, increment, year)
>     title(heading)
>
>     #set handles
>     xticklines = getp(gca(), 'xticklines')
>     xgridlines = getp(gca(), 'xgridlines')
>     xticklabels = getp(gca(), 'xticklabels')
>     yticklines = getp(gca(), 'yticklines')
>
>     #set properties
>     setp(xticklines, visible=False)
>     setp(xgridlines, visible=False)
>     setp(xticklabels, visible=False)
>     setp(yticklines, visible=False)
>
>     axhspan(P99, P99, lw=3, ec='r', fc='r')
>     ax = gca()
>     #P99 = str(P99)
>     P99 = '%0.1f' % P99
>     text(0.01, 0.95, '99th Percentile: '+P99+' lb/hr',
> transform=ax.transAxes)
>
>     figpath = ConstructFigPath(state, facility, unit, increment, year)
>     savefig(figpath)
>     close()
>     
> 
> Can you see the problem?
> 
> thanks,
> -Lisa