Václav Šmilauer, on 2010-12-23 14:51, wrote:
> Hi there,
>
> when I use twinx() to have y1 and y2 axes and set ticklabel_format
> style to 'sci' on the y2 axis, ticks on the y2 are properly numbered,
> but the "1e-5" that is supposed to be atop y2 appears on the top of
> y1 instead. When both y1 and y2 use the exponents, they overwrite
> each other -- a minimal example (result attached in pdf):
>
> import pylab
>
> pylab.plot([0,1e-2,2e-2,3e-2],[1e3,5e3,6.1e3,1e3],'g-')
>
> pylab.ticklabel_format(style='sci',scilimits=(0,0),axis='both') # this is
> not necessary to show the bug
>
> pylab.twinx()
>
> pylab.plot([1e-2,2e-2,3e-2,4e-2],[2e-5,3e-5,0,-1e-5],'r-')
>
> pylab.ticklabel_format(style='sci',scilimits=(0,0),axis='both') # makes
> 1e-5 appear on the left instead of on the right
>
> pylab.show()
>
Hi Václav,
thanks for the bug report. As a temporary workaround - use
plt.gca().yaxis.set_offset_position('right')
Committers: the patch attached fixes this problem. I thought that
there might be a similar problem for twiny() - but ax.xaxis does
not appear to have .set_offset_position() method.
> I've had this issue with versions .99, 1.0.0, running on Linux
> (Ubuntu, versions 9.04 through to 10.10).
me too, and I kept forgetting to report it.
> PS. what's wrong with the sf.net bugzilla? I was not able to post the
> issue there --
this I do not know.
best,
--
Paul Ivanov
314 address only used for lists, off-list direct email at:
http://pirsquared.org | GPG/PGP key id: 0x0F3E28F7
Index: CHANGELOG
===================================================================
--- CHANGELOG (revision 8845)
+++ CHANGELOG (working copy)
@@ -1,3 +1,5 @@
+2010-12-23 Fixed twinx scientific notation offset being misplaced
+
2010-11-22 Fixed error with Hammer projection. - BVR
2010-11-12 Fixed the placement and angle of axis labels in 3D plots. - BVR
Index: lib/matplotlib/axes.py
===================================================================
--- lib/matplotlib/axes.py (revision 8845)
+++ lib/matplotlib/axes.py (working copy)
@@ -7391,6 +7391,7 @@
frameon=False)
ax2.yaxis.tick_right()
ax2.yaxis.set_label_position('right')
+ ax2.yaxis.set_offset_position('right')
self.yaxis.tick_left()
ax2.xaxis.set_visible(False)
return ax2
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