Revision: 3911
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=3911&view=rev
Author: jrevans
Date: 2007-10-03 16:05:30 -0700 (Wed, 03 Oct 2007)
Log Message:
-----------
Removed an erroneous print statment in backend_qt.py.
Added a feature to keep track of axes inversions.
Modified Paths:
--------------
trunk/matplotlib/lib/matplotlib/axes.py
trunk/matplotlib/lib/matplotlib/backends/backend_qt.py
Modified: trunk/matplotlib/lib/matplotlib/axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/axes.py 2007-10-03 22:23:48 UTC (rev
3910)
+++ trunk/matplotlib/lib/matplotlib/axes.py 2007-10-03 23:05:30 UTC (rev
3911)
@@ -503,6 +503,9 @@
self.set_label(label)
self.set_figure(fig)
+ self._invertedx = False
+ self._invertedy = False
+
# this call may differ for non-sep axes, eg polar
self._init_axis()
@@ -1500,10 +1503,25 @@
### data limits, ticks, tick labels, and formatting
+ def invert_xaxis(self, invert=True):
+ "Invert the x-axis if 'invert' is True."
+ self._invertedx = invert
+
+ def xaxis_inverted(self):
+ 'Returns True if the x-axis is inverted.'
+ return self._invertedx
+
def get_xlim(self):
- 'Get the x axis range [xmin, xmax]'
- return self.viewLim.intervalx().get_bounds()
+ """Get the x-axis range [xmin, xmax]
+ NOTE: The returned values are always [xmin, xmax] such that
+ xmin < xmax; regardless of whether or not the axes are inverted.
+ """
+ bound1, bound2 = self.viewLim.intervalx().get_bounds()
+ if ( self._invertedx ):
+ return bound2, bound1
+ else:
+ return bound1, bound2
def set_xlim(self, xmin=None, xmax=None, emit=True, **kwargs):
"""
@@ -1542,12 +1560,25 @@
if xmin is None: xmin = old_xmin
if xmax is None: xmax = old_xmax
+ # provided for backwards compatability
+ if ( xmax < xmin ):
+ # swap the values so that xmin < xmax and set inverted flag
+ tmp = xmin
+ xmin = xmax
+ xmax = tmp
+ self.invert_xaxis( True )
+
if (self.transData.get_funcx().get_type()==mtrans.LOG10
and min(xmin, xmax)<=0):
raise ValueError('Cannot set nonpositive limits with log
transform')
- xmin, xmax = mtrans.nonsingular(xmin, xmax, increasing=False)
- self.viewLim.intervalx().set_bounds(xmin, xmax)
+ if ( self._invertedx ):
+ xmax, xmin = mtrans.nonsingular(xmax, xmin, increasing=False)
+ self.viewLim.intervalx().set_bounds(xmax, xmin)
+ else:
+ xmin, xmax = mtrans.nonsingular(xmin, xmax, increasing=False)
+ self.viewLim.intervalx().set_bounds(xmin, xmax)
+
if emit: self.callbacks.process('xlim_changed', self)
return xmin, xmax
@@ -1623,10 +1654,26 @@
return self.xaxis.set_ticklabels(labels, fontdict, **kwargs)
set_xticklabels.__doc__ = cbook.dedent(set_xticklabels.__doc__) %
martist.kwdocd
+ def invert_yaxis(self, invert=True):
+ "Invert the y-axis if 'invert' is True."
+ self._invertedy = invert
+
+ def yaxis_inverted(self):
+ 'Returns True if the y-axis is inverted.'
+ return self._invertedy
+
def get_ylim(self):
- 'Get the y axis range [ymin, ymax]'
- return self.viewLim.intervaly().get_bounds()
+ """Get the y-axis range [xmin, xmax]
+ NOTE: The returned values are always [ymin, ymax] such that
+ ymin < ymax; regardless of whether or not the axes are inverted.
+ """
+ bound1, bound2 = self.viewLim.intervaly().get_bounds()
+ if ( self._invertedy ):
+ return bound2, bound1
+ else:
+ return bound1, bound2
+
def set_ylim(self, ymin=None, ymax=None, emit=True, **kwargs):
"""
set_ylim(self, *args, **kwargs):
@@ -1649,7 +1696,6 @@
ACCEPTS: len(2) sequence of floats
"""
-
if ymax is None and iterable(ymin):
ymin,ymax = ymin
@@ -1663,12 +1709,25 @@
if ymin is None: ymin = old_ymin
if ymax is None: ymax = old_ymax
+ # provided for backwards compatability
+ if ( ymax < ymin ):
+ # swap the values so that ymin < ymax and set inverted flag
+ tmp = ymin
+ ymin = ymax
+ ymax = tmp
+ self.invert_yaxis( True )
+
if (self.transData.get_funcy().get_type()==mtrans.LOG10
and min(ymin, ymax)<=0):
raise ValueError('Cannot set nonpositive limits with log
transform')
- ymin, ymax = mtrans.nonsingular(ymin, ymax, increasing=False)
- self.viewLim.intervaly().set_bounds(ymin, ymax)
+ if ( self._invertedy ):
+ ymax, ymin = mtrans.nonsingular(ymax, ymin, increasing=False)
+ self.viewLim.intervaly().set_bounds(ymax, ymin)
+ else:
+ ymin, ymax = mtrans.nonsingular(ymin, ymax, increasing=False)
+ self.viewLim.intervaly().set_bounds(ymin, ymax)
+
if emit: self.callbacks.process('ylim_changed', self)
return ymin, ymax
Modified: trunk/matplotlib/lib/matplotlib/backends/backend_qt.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backends/backend_qt.py 2007-10-03
22:23:48 UTC (rev 3910)
+++ trunk/matplotlib/lib/matplotlib/backends/backend_qt.py 2007-10-03
23:05:30 UTC (rev 3911)
@@ -135,7 +135,6 @@
def resizeEvent( self, event ):
if DEBUG: print 'resize (%d x %d)' % (event.size().width(),
event.size().height())
- print "JRE--DBG: qt : resizeEvent"
qt.QWidget.resizeEvent( self, event )
w = event.size().width()
h = event.size().height()
@@ -147,7 +146,6 @@
self.draw()
def resize( self, w, h ):
- print "JRE--DBG: qt : resize"
# Pass through to Qt to resize the widget.
qt.QWidget.resize( self, w, h )
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