def demo():
from numpy import arange, sin, cos, pi
from pylab import subplot, plot, axis, show
from ginput_rect import ginput_rect
subplot(111)
# If N is large one can see improvement by blitting!
N = 100000
x = 10.0 * arange(N) / (N - 1)
plot(x, sin(.2 * pi * x), lw=3, c='b', alpha=.7)
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)
print "\n click --> release"
x1, x2, y1, y2 = ginput_rect(autoRemove=False)
print "(%3.2f, %3.2f) --> (%3.2f, %3.2f)" % (x1, y1, x2, y2)
axis([x1, x2, y1, y2])
show()
def demo():
from numpy import arange, sin, cos, pi
from pylab import subplot, plot, axis, show
from ginput_rect import ginput_rect
subplot(111)
# If N is large one can see improvement by blitting!
N=100000
x=10.0*arange(N)/(N-1)
plot(x,sin(.2*pi*x),lw=3,c='b',alpha=.7)
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)
print "\n click --> release"
x1,x2,y1,y2 = ginput_rect(autoRemove = False)
print "(%3.2f, %3.2f) --> (%3.2f, %3.2f)"%(x1,y1,x2,y2)
axis([x1, x2, y1, y2])
show()
def autoScale(self,event):
x1,x2,z1,z2 = ginput_rect(self.datamyImage)
"""
Select a region of the graph.
ginput_rect(ax) selects a region from the axes and continues with the plot.
s = BlockingRectangleSelector(ax) adds a rectangle selector to the axes and
lets the script call s.select() whenever a new region is needed.
demo() shows the selector in action.
"""
from matplotlib.pyplot import gca
from matplotlib.widgets import RectangleSelector
from matplotlib.blocking_input import BlockingInput
import pylab
class BlockingRectangleSelector:
"""
Blocking rectangle selector selects once then continues with script.
"""
def __init__(self, ax=None):
if ax is None: ax = gca()
self.ax = ax
# drawtype is 'box' or 'line' or 'none'
self.selector = RectangleSelector(self.ax,
self._callback,
drawtype='box',
useblit=True,
minspanx=5,
"""
Select a region of the graph.
ginput_rect(ax) selects a region from the axes and continues with the plot.
s = BlockingRectangleSelector(ax) adds a rectangle selector to the axes and
lets the script call s.select() whenever a new region is needed.
demo() shows the selector in action.
"""
from matplotlib.pyplot import gca
from matplotlib.widgets import RectangleSelector
from matplotlib.blocking_input import BlockingInput
import pylab
class BlockingRectangleSelector:
"""
Blocking rectangle selector selects once then continues with script.
"""
def __init__(self, ax=None):
if ax is None: ax=gca()
self.ax = ax
# drawtype is 'box' or 'line' or 'none'
self.selector = RectangleSelector(self.ax, self._callback,
drawtype='box',useblit=True,
minspanx=5,minspany=5,spancoords='pixels')
self.selector.set_active(False)
self.block = BlockingInput(self.ax.figure)
