Revision: 4765
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4765&view=rev
Author: mdboom
Date: 2007-12-18 07:35:06 -0800 (Tue, 18 Dec 2007)
Log Message:
-----------
Fix log scaling of polar plots.
Modified Paths:
--------------
branches/transforms/lib/matplotlib/axes.py
branches/transforms/lib/matplotlib/projections/polar.py
Modified: branches/transforms/lib/matplotlib/axes.py
===================================================================
--- branches/transforms/lib/matplotlib/axes.py 2007-12-18 15:29:53 UTC (rev
4764)
+++ branches/transforms/lib/matplotlib/axes.py 2007-12-18 15:35:06 UTC (rev
4765)
@@ -1287,13 +1287,10 @@
return
if scalex:
- xl = self.get_xbound()
XL = self.xaxis.get_major_locator().autoscale()
self.set_xbound(XL)
if scaley:
- ylocator = self.yaxis.get_major_locator()
- yl = self.get_ybound()
- YL = ylocator.autoscale()
+ YL = self.yaxis.get_major_locator().autoscale()
self.set_ybound(YL)
def update_layout(self, renderer):
Modified: branches/transforms/lib/matplotlib/projections/polar.py
===================================================================
--- branches/transforms/lib/matplotlib/projections/polar.py 2007-12-18
15:29:53 UTC (rev 4764)
+++ branches/transforms/lib/matplotlib/projections/polar.py 2007-12-18
15:35:06 UTC (rev 4765)
@@ -74,19 +74,21 @@
The affine part of the polar projection. Scales the output so
that maximum radius rests on the edge of the axes circle.
"""
- def __init__(self, limits):
+ def __init__(self, scale_transform, limits):
"""
limits is the view limit of the data. The only part of
its bounds that is used is ymax (for the radius maximum).
"""
Affine2DBase.__init__(self)
+ self._scale_transform = scale_transform
self._limits = limits
- self.set_children(limits)
+ self.set_children(scale_transform, limits)
self._mtx = None
def get_matrix(self):
if self._invalid:
- ymax = self._limits.ymax
+ limits_scaled = self._limits.transformed(self._scale_transform)
+ ymax = limits_scaled.ymax
affine = Affine2D() \
.scale(0.5 / ymax) \
.translate(0.5, 0.5)
@@ -193,7 +195,7 @@
# An affine transformation on the data, generally to limit the
# range of the axes
- self.transProjectionAffine = self.PolarAffine(self.viewLim)
+ self.transProjectionAffine = self.PolarAffine(self.transScale,
self.viewLim)
# The complete data transformation stack -- from data all the
# way to display coordinates
@@ -205,7 +207,7 @@
# the edge of the axis circle.
self._xaxis_transform = (
self.transProjection +
- self.PolarAffine(Bbox.unit()) +
+ self.PolarAffine(IdentityTransform(), Bbox.unit()) +
self.transAxes)
# The theta labels are moved from radius == 0.0 to radius == 1.1
self._theta_label1_position = Affine2D().translate(0.0, 1.1)
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