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SF.net SVN: matplotlib:[8362] trunk/matplotlib/examples/widgets
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From: <ef...@us...> - 2010-06-01 18:21:36
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Revision: 8362
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8362&view=rev
Author: efiring
Date: 2010-06-01 18:21:30 +0000 (Tue, 01 Jun 2010)
Log Message:
-----------
widget example improvements by M. Michler, patch 2944605
Modified Paths:
--------------
trunk/matplotlib/examples/widgets/buttons.py
trunk/matplotlib/examples/widgets/check_buttons.py
trunk/matplotlib/examples/widgets/cursor.py
trunk/matplotlib/examples/widgets/menu.py
trunk/matplotlib/examples/widgets/rectangle_selector.py
Modified: trunk/matplotlib/examples/widgets/buttons.py
===================================================================
--- trunk/matplotlib/examples/widgets/buttons.py 2010-06-01 16:38:34 UTC (rev 8361)
+++ trunk/matplotlib/examples/widgets/buttons.py 2010-06-01 18:21:30 UTC (rev 8362)
@@ -1,38 +1,40 @@
-from pylab import *
+
+import numpy as np
+import matplotlib.pyplot as plt
from matplotlib.widgets import Button
-freqs = arange(2,20,3)
+freqs = np.arange(2, 20, 3)
-ax = subplot(111)
-subplots_adjust(bottom=0.2)
-t = arange(0.0, 1.0, 0.001)
-s = sin(2*pi*freqs[0]*t)
-l, = plot(t,s, lw=2)
+ax = plt.subplot(111)
+plt.subplots_adjust(bottom=0.2)
+t = np.arange(0.0, 1.0, 0.001)
+s = np.sin(2*np.pi*freqs[0]*t)
+l, = plt.plot(t, s, lw=2)
class Index:
ind = 0
def next(self, event):
self.ind += 1
- i = self.ind%len(freqs)
- ydata = sin(2*pi*freqs[i]*t)
+ i = self.ind % len(freqs)
+ ydata = np.sin(2*np.pi*freqs[i]*t)
l.set_ydata(ydata)
- draw()
+ plt.draw()
def prev(self, event):
self.ind -= 1
- i = self.ind%len(freqs)
- ydata = sin(2*pi*freqs[i]*t)
+ i = self.ind % len(freqs)
+ ydata = np.sin(2*np.pi*freqs[i]*t)
l.set_ydata(ydata)
- draw()
+ plt.draw()
callback = Index()
-axprev = axes([0.7, 0.05, 0.1, 0.075])
-axnext = axes([0.81, 0.05, 0.1, 0.075])
+axprev = plt.axes([0.7, 0.05, 0.1, 0.075])
+axnext = plt.axes([0.81, 0.05, 0.1, 0.075])
bnext = Button(axnext, 'Next')
bnext.on_clicked(callback.next)
bprev = Button(axprev, 'Previous')
bprev.on_clicked(callback.prev)
-show()
+plt.show()
Modified: trunk/matplotlib/examples/widgets/check_buttons.py
===================================================================
--- trunk/matplotlib/examples/widgets/check_buttons.py 2010-06-01 16:38:34 UTC (rev 8361)
+++ trunk/matplotlib/examples/widgets/check_buttons.py 2010-06-01 18:21:30 UTC (rev 8362)
@@ -1,25 +1,26 @@
-from pylab import *
+import numpy as np
+import matplotlib.pyplot as plt
from matplotlib.widgets import CheckButtons
-t = arange(0.0, 2.0, 0.01)
-s0 = sin(2*pi*t)
-s1 = sin(4*pi*t)
-s2 = sin(6*pi*t)
+t = np.arange(0.0, 2.0, 0.01)
+s0 = np.sin(2*np.pi*t)
+s1 = np.sin(4*np.pi*t)
+s2 = np.sin(6*np.pi*t)
-ax = subplot(111)
+ax = plt.subplot(111)
l0, = ax.plot(t, s0, visible=False, lw=2)
l1, = ax.plot(t, s1, lw=2)
l2, = ax.plot(t, s2, lw=2)
-subplots_adjust(left=0.2)
+plt.subplots_adjust(left=0.2)
-rax = axes([0.05, 0.4, 0.1, 0.15])
+rax = plt.axes([0.05, 0.4, 0.1, 0.15])
check = CheckButtons(rax, ('2 Hz', '4 Hz', '6 Hz'), (False, True, True))
def func(label):
- if label=='2 Hz': l0.set_visible(not l0.get_visible())
- elif label=='4 Hz': l1.set_visible(not l1.get_visible())
- elif label=='6 Hz': l2.set_visible(not l2.get_visible())
- draw()
+ if label == '2 Hz': l0.set_visible(not l0.get_visible())
+ elif label == '4 Hz': l1.set_visible(not l1.get_visible())
+ elif label == '6 Hz': l2.set_visible(not l2.get_visible())
+ plt.draw()
check.on_clicked(func)
-show()
+plt.show()
Modified: trunk/matplotlib/examples/widgets/cursor.py
===================================================================
--- trunk/matplotlib/examples/widgets/cursor.py 2010-06-01 16:38:34 UTC (rev 8361)
+++ trunk/matplotlib/examples/widgets/cursor.py 2010-06-01 18:21:30 UTC (rev 8362)
@@ -1,20 +1,19 @@
#!/usr/bin/env python
from matplotlib.widgets import Cursor
-import pylab
+import numpy as np
+import matplotlib.pyplot as plt
-fig = pylab.figure(figsize=(8,6))
-ax = fig.add_axes([0.075, 0.25, 0.9, 0.725], axisbg='#FFFFCC')
-#ax = fig.add_subplot(111, axisbg='#FFFFCC')
-canvas = ax.figure.canvas
+fig = plt.figure(figsize=(8, 6))
+ax = fig.add_subplot(111, axisbg='#FFFFCC')
-x,y = 4*(pylab.rand(2,100)-.5)
-ax.plot(x,y,'o')
-ax.set_xlim(-2,2)
-ax.set_ylim(-2,2)
+x, y = 4*(np.random.rand(2, 100)-.5)
+ax.plot(x, y, 'o')
+ax.set_xlim(-2, 2)
+ax.set_ylim(-2, 2)
# set useblit = True on gtkagg for enhanced performance
cursor = Cursor(ax, useblit=True, color='red', linewidth=2 )
-pylab.show()
+plt.show()
Modified: trunk/matplotlib/examples/widgets/menu.py
===================================================================
--- trunk/matplotlib/examples/widgets/menu.py 2010-06-01 16:38:34 UTC (rev 8361)
+++ trunk/matplotlib/examples/widgets/menu.py 2010-06-01 18:21:30 UTC (rev 8362)
@@ -9,7 +9,8 @@
class ItemProperties:
- def __init__(self, fontsize=14, labelcolor='black', bgcolor='yellow', alpha=1.0):
+ def __init__(self, fontsize=14, labelcolor='black', bgcolor='yellow',
+ alpha=1.0):
self.fontsize = fontsize
self.labelcolor = labelcolor
self.bgcolor = bgcolor
@@ -21,8 +22,9 @@
class MenuItem(artist.Artist):
parser = mathtext.MathTextParser("Bitmap")
padx = 5
- pady =5
- def __init__(self, fig, labelstr, props=None, hoverprops=None, on_select=None):
+ pady = 5
+ def __init__(self, fig, labelstr, props=None, hoverprops=None,
+ on_select=None):
artist.Artist.__init__(self)
self.set_figure(fig)
@@ -44,14 +46,15 @@
labelstr, fontsize=props.fontsize, dpi=fig.dpi)
if props.fontsize!=hoverprops.fontsize:
- raise NotImplementedError('support for different font sizes not implemented')
+ raise NotImplementedError(
+ 'support for different font sizes not implemented')
self.labelwidth = x.shape[1]
self.labelheight = x.shape[0]
self.labelArray = np.zeros((x.shape[0], x.shape[1], 4))
- self.labelArray[:,:,-1] = x/255.
+ self.labelArray[:, :, -1] = x/255.
self.label = image.FigureImage(fig, origin='upper')
self.label.set_array(self.labelArray)
@@ -95,9 +98,9 @@
props = self.props
r, g, b = props.labelcolor_rgb
- self.labelArray[:,:,0] = r
- self.labelArray[:,:,1] = g
- self.labelArray[:,:,2] = b
+ self.labelArray[:, :, 0] = r
+ self.labelArray[:, :, 1] = g
+ self.labelArray[:, :, 2] = b
self.label.set_array(self.labelArray)
self.rect.set(facecolor=props.bgcolor, alpha=props.alpha)
@@ -169,12 +172,9 @@
for label in ('open', 'close', 'save', 'save as', 'quit'):
def on_select(item):
print 'you selected', item.labelstr
- item = MenuItem(fig, label, props=props, hoverprops=hoverprops, on_select=on_select)
+ item = MenuItem(fig, label, props=props, hoverprops=hoverprops,
+ on_select=on_select)
menuitems.append(item)
menu = Menu(fig, menuitems)
plt.show()
-
-
-
-
Modified: trunk/matplotlib/examples/widgets/rectangle_selector.py
===================================================================
--- trunk/matplotlib/examples/widgets/rectangle_selector.py 2010-06-01 16:38:34 UTC (rev 8361)
+++ trunk/matplotlib/examples/widgets/rectangle_selector.py 2010-06-01 18:21:30 UTC (rev 8362)
@@ -8,28 +8,41 @@
"""
from matplotlib.widgets import RectangleSelector
-from pylab import subplot, arange, plot, sin, cos, pi, show
-def line_select_callback(event1, event2):
- 'event1 and event2 are the press and release events'
- x1, y1 = event1.xdata, event1.ydata
- x2, y2 = event2.xdata, event2.ydata
- print "(%3.2f, %3.2f) --> (%3.2f, %3.2f)"%(x1,y1,x2,y2)
- print " The button you used were: ",event1.button, event2.button
+import numpy as np
+import matplotlib.pyplot as plt
+def line_select_callback(eclick, erelease):
+ 'eclick and erelease are the press and release events'
+ x1, y1 = eclick.xdata, eclick.ydata
+ x2, y2 = erelease.xdata, erelease.ydata
+ print "(%3.2f, %3.2f) --> (%3.2f, %3.2f)" % (x1, y1, x2, y2)
+ print " The button you used were: ", eclick.button, erelease.button
-current_ax=subplot(111) # make a new plotingrange
-N=100000 # If N is large one can see improvement
-x=10.0*arange(N)/(N-1) # by use blitting!
+def toggle_selector(event):
+ print ' Key pressed.'
+ if event.key in ['Q', 'q'] and toggle_selector.RS.active:
+ print ' RectangleSelector deactivated.'
+ toggle_selector.RS.set_active(False)
+ if event.key in ['A', 'a'] and not toggle_selector.RS.active:
+ print ' RectangleSelector activated.'
+ toggle_selector.RS.set_active(True)
-plot(x,sin(.2*pi*x),lw=3,c='b',alpha=.7) # plot something
-plot(x,cos(.2*pi*x),lw=3.5,c='r',alpha=.5)
-plot(x,-sin(.2*pi*x),lw=3.5,c='g',alpha=.3)
+current_ax = plt.subplot(111) # make a new plotingrange
+N = 100000 # If N is large one can see
+x = np.linspace(0.0, 10.0, N) # improvement by use blitting!
+
+plt.plot(x, +np.sin(.2*np.pi*x), lw=3.5, c='b', alpha=.7) # plot something
+plt.plot(x, +np.cos(.2*np.pi*x), lw=3.5, c='r', alpha=.5)
+plt.plot(x, -np.sin(.2*np.pi*x), lw=3.5, c='g', alpha=.3)
+
print "\n click --> release"
# drawtype is 'box' or 'line' or 'none'
-LS = RectangleSelector(current_ax, line_select_callback,
- drawtype='box',useblit=True,
- button = [1, 3], # don't use center mouse button
- minspanx=5,minspany=5,spancoords='pixels')
-show()
+toggle_selector.RS = RectangleSelector(current_ax, line_select_callback,
+ drawtype='box', useblit=True,
+ button=[1,3], # don't use middle button
+ minspanx=5, minspany=5,
+ spancoords='pixels')
+plt.connect('key_press_event', toggle_selector)
+plt.show()
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