Re: [matplotlib-devel] Runtime Error: No positive data to plot

[John H. <jdh...@ac...>]

>>>>> "Tom" == Tom Denniston <tom...@gm...> writes:

    Tom> I have been using matplotlib a few days now and think I it is
    Tom> great but recently I have gotten hung up on a problem
    Tom> plotting negative numbers.

    Tom> I am trying to plot data where the y values are all negative.
    Tom> When I do this I get the No positive data to plot error.  I
    Tom> have tracked it down to the following two line is

    Tom> /matplotlib/ticker.py: if minpos<=0: raise RuntimeError('No
    Tom> positive data to plot')

This should only be occurring if you have log scaling set.  Could you
get a fresh copy of matplotlib CVS and see if you can replicate the
bug.  And if so, please post a script that exposes it.

Thanks,
JDH