On Wed, Nov 11, 2009 at 4:25 PM, per freem <perfr...@gmail.com> wrote:
> hi all,
>
> I am trying to make a simple bar graph that has its yaxis scale set to
> log. I use the following code:
>
> import matplotlib
> matplotlib.use('PDF')
> import matplotlib.pyplot as plt
> from matplotlib import rc
> rc('font',**{'family':'sans-serif','sans-serif':['Helvetica']})
> plt.rcParams['ps.useafm'] = True
> rc('font',**{'family':'sans-serif','sans-serif':['Helvetica']})
> plt.rcParams['pdf.fonttype'] = 42
> plt.rcParams['font.size'] = 10
>
> x = range(1, 11)
> y = [5000, 900, 600, 500, 200, 110, 50, 20, 10, 5]
> plt.figure(figsize=(5, 5), dpi=300)
> plt.bar(x, y)
It should work scaling from within the bar()
plt.bar(x, y, log=True)
# plt.gca().set_yscale('log')
> plt.savefig('test_logscale.pdf')
>
> the problem is that the bar graphs do not appear -- instead, i simply
> get horizontal lines around where the top of the bar graph should
> appear. Any idea how to fix this?
>
> also, sometimes the x axis disappears when i try this. thanks.
>
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Gökhan
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