Sandro Tosi wrote:
> Hi!
> I have this configuration file:
>
> $ cat matplotlibrc
> figure.figsize : 4, 3
> figure.dpi : 300
> savefig.dpi : 300
> font.size : 9.0
>
> and using this code
>
> import matplotlib.pyplot as plt
> plt.plot([1, 2, 3])
> plt.xlabel('This is the X axis')
> plt.ylabel('This is the Y axis')
> plt.savefig('7900_02_06.png')
>
> I obtain the attached image that, as you can see, has xlabel tect cut.
>
> What is the best way to avoid it? reducing the actual "plot" area
> (axes and line)? or reducing the font size?
>
> Now that I look better at it, isn't it a bug after all? I see ylabel
> correctly rendered, and xlabel not (but it's late in the night, so I
> might be mistaken :) ) .
It is not really a bug; it is an inherent limitation in mpl's default
automatic Axes positioning. Axes positions are given in normalized
coordinates relative to the figure, so if you shrink the height of the
figure (relative to the default, for which the default positioning
parameters are designed), there is less physical space available for the
x-axis ticks, ticklabels, and label--and things can get cut off. If you
are adjusting the figsize and/or the font size, then chances are you
need to adjust these normalized coordinate Axes position parameters as
well. Trial and error is typically needed; it can be facilitated by
using the subplot adjuster widget in an interactive window (second to
last button on the toolbar) to decide what looks good. Then use the
figure.subplot.* entries in matplotlibrc, or call
plt.subplots_adjust(bottom=0.15) (for example), or call it as a method
of the figure you have just created.
For doing the interactive adjustment, you will want to use a smaller
figure dpi, something to match your screen. Everything will scale
correctly when you save the figure at higher dpi.
Eric
>
> Thanks in advance,
>
>
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-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
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-Receive a $600 discount off the registration fee with the source code: SFAD
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