Revision: 8265
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8265&view=rev
Author: efiring
Date: 2010-04-22 03:34:10 +0000 (Thu, 22 Apr 2010)
Log Message:
-----------
examples/cursor_demo: update to use axhline, axvline
Modified Paths:
--------------
trunk/matplotlib/examples/pylab_examples/cursor_demo.py
Modified: trunk/matplotlib/examples/pylab_examples/cursor_demo.py
===================================================================
--- trunk/matplotlib/examples/pylab_examples/cursor_demo.py 2010-04-22
03:22:55 UTC (rev 8264)
+++ trunk/matplotlib/examples/pylab_examples/cursor_demo.py 2010-04-22
03:34:10 UTC (rev 8265)
@@ -15,22 +15,19 @@
class Cursor:
def __init__(self, ax):
self.ax = ax
- self.lx, = ax.plot( (0,0), (0,0), 'k-' ) # the horiz line
- self.ly, = ax.plot( (0,0), (0,0), 'k-' ) # the vert line
+ self.lx = ax.axhline(color='k') # the horiz line
+ self.ly = ax.axvline(color='k') # the vert line
# text location in axes coords
self.txt = ax.text( 0.7, 0.9, '', transform=ax.transAxes)
def mouse_move(self, event):
if not event.inaxes: return
- ax = event.inaxes
- minx, maxx = ax.get_xlim()
- miny, maxy = ax.get_ylim()
x, y = event.xdata, event.ydata
# update the line positions
- self.lx.set_data( (minx, maxx), (y, y) )
- self.ly.set_data( (x, x), (miny, maxy) )
+ self.lx.set_ydata(y )
+ self.ly.set_xdata(x )
self.txt.set_text( 'x=%1.2f, y=%1.2f'%(x,y) )
draw()
@@ -43,8 +40,8 @@
"""
def __init__(self, ax, x, y):
self.ax = ax
- self.lx, = ax.plot( (0,0), (0,0), 'k-' ) # the horiz line
- self.ly, = ax.plot( (0,0), (0,0), 'k-' ) # the vert line
+ self.lx = ax.axhline(color='k') # the horiz line
+ self.ly = ax.axvline(color='k') # the vert line
self.x = x
self.y = y
# text location in axes coords
@@ -53,9 +50,6 @@
def mouse_move(self, event):
if not event.inaxes: return
- ax = event.inaxes
- minx, maxx = ax.get_xlim()
- miny, maxy = ax.get_ylim()
x, y = event.xdata, event.ydata
@@ -63,8 +57,8 @@
x = self.x[indx]
y = self.y[indx]
# update the line positions
- self.lx.set_data( (minx, maxx), (y, y) )
- self.ly.set_data( (x, x), (miny, maxy) )
+ self.lx.set_ydata(y )
+ self.ly.set_xdata(x )
self.txt.set_text( 'x=%1.2f, y=%1.2f'%(x,y) )
print 'x=%1.2f, y=%1.2f'%(x,y)
@@ -81,3 +75,4 @@
ax.plot(t, s, 'o')
axis([0,1,-1,1])
show()
+
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