tight_layout only works for instances of Subplots. However, ax2, which
is created by calling twinx, is an instance of Axes, and is not
accounted by the tight_layout command.It may be possible to improve
the situation, I doubt it would be easy as the association between ax1
and ax2 is not very explicit in the current implementation.
One workaround is to use axes_grid1 toolkit (this works with current
git master branch but not sure if it will work with v1.1).
Try to replace
ax1 = fig.add_subplot(1,1,1)
with
from mpl_toolkits.axes_grid1.parasite_axes import SubplotHost
ax1 = SubplotHost(fig, 1, 1, 1)
fig.add_subplot(ax1)
-JJ
On Thu, Dec 8, 2011 at 5:28 AM, Jérôme jer...@jolimont.fr wrote:
Wed, 7 Dec 2011 20:29:22 +0100
Jérôme a écrit:
Is there a way to automatically resize the axis and nicely center the whole
set {axes + ticklabels + labels} in the figure ?
One could use add_axes and play with the coordinates until he gets something
nice, but it gets complicated to have it automatic as things depends on
- the number of digits of y-axis ticklabels
- whether or not a secundary y-axis is added on the right (using twinx)
Hi again, sorry for multi-posting.
Apparently, figure.tight_layout() does not take into account the secondary
y-axis on the right.
Is this a known limitation ? (I don't see it on the caveats paragraph [1].)
Or is this the use I make of it that is incorrect ?
Example :
--
import pylab
fig = pylab.figure()
data_1 = [0,1,2,3]
data_2 = [0,5,250,3]
lines = []
# Primary axis
ax1 = fig.add_subplot(1,1,1)
lines.extend (ax1.plot(data_1, 'b'))
# Secondary axis
ax2 = pylab.twinx(ax1)
lines.extend (ax2.plot(data_2, 'g'))
labels = ['Data 1', 'Data 2']
fig.tight_layout()
pylab.show()
--
Thanks.
[1] http://matplotlib.sourceforge.net/users/tight_layout_guide.html
--
Jérôme
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