Revision: 6773
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6773&view=rev
Author: efiring
Date: 2009-01-10 20:34:28 +0000 (Sat, 10 Jan 2009)
Log Message:
-----------
Fix bug in pan/zoom with log coordinates.
The zoom calculations need to be done in display coordinates.
Thanks to David Trem for bug report.
Modified Paths:
--------------
branches/v0_98_5_maint/CHANGELOG
branches/v0_98_5_maint/lib/matplotlib/axes.py
Modified: branches/v0_98_5_maint/CHANGELOG
===================================================================
--- branches/v0_98_5_maint/CHANGELOG 2009-01-10 20:05:24 UTC (rev 6772)
+++ branches/v0_98_5_maint/CHANGELOG 2009-01-10 20:34:28 UTC (rev 6773)
@@ -1,3 +1,5 @@
+2009-01-10 Fix bug in pan/zoom with log coordinates. - EF
+
2009-01-06 Fix bug in setting of dashed negative contours. - EF
2009-01-06 Be fault tolerant when len(linestyles)>NLev in contour. - MM
Modified: branches/v0_98_5_maint/lib/matplotlib/axes.py
===================================================================
--- branches/v0_98_5_maint/lib/matplotlib/axes.py 2009-01-10 20:05:24 UTC
(rev 6772)
+++ branches/v0_98_5_maint/lib/matplotlib/axes.py 2009-01-10 20:34:28 UTC
(rev 6773)
@@ -2378,10 +2378,11 @@
dy = dx
alpha = np.power(10.0, (dx, dy))
- start = p.trans_inverse.transform_point((p.x, p.y))
- lim_points = p.lim.get_points()
- result = start + alpha * (lim_points - start)
- result = mtransforms.Bbox(result)
+ start = np.array([p.x, p.y])
+ oldpoints = p.lim.transformed(p.trans)
+ newpoints = start + alpha * (oldpoints - start)
+ result = mtransforms.Bbox(newpoints) \
+ .transformed(p.trans_inverse)
except OverflowError:
warnings.warn('Overflow while panning')
return
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