On Wednesday 31 March 2010 09:24:10 yogesh karpate wrote:
> Dear All,
> I am using one image of 235X130 and plotting the curve on
> it, now when i save it it goes in the resoltuion of 800X600,
> I want to keep the resolution intact.What can be done for that to keep the
> resolution same?
> I am using
> savefig('/home/jaguar/Softwares/Development/Python/bunty.png')
> Thanks in advance!
> Regards
> Yogesh
Hi Yogesh,
You can adjust the resolution by changing the figure size and the dpi in
savefig.
Keyword of figure:
*figsize* width x height in inches; defaults to rc figure.figsize
Keyword of savefig:
*dpi*: [ None | scalar > 0 ]
The resolution in dots per inch. If *None* it will default to
the value ``savefig.dpi`` in the matplotlibrc file.
e.g.
import matplotlib
matplotlib.use('Agg')
from matplotlib import pyplot as plt
# aim: 235X130
fig = plt.figure(figsize=(23.5, 13.0))
ax = plt.axes([0.0, 0.0, 1.0, 1.0])
ax.plot([1, 2, 4], lw=5)
ax.set_xticks([])
ax.set_yticks([])
fig.savefig('test.png', dpi=10)
Kind regards,
Matthias
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