In [13]:
import matplotlib.pyplot as plt
import numpy as np
%matplotlib
In [62]:
tp = [('sepalL','f8'),('sepalW','f8'),('petalL','f8'),('petalW','f8'),('species','S10')]
flower_data = np.loadtxt(open('flowers.csv','rb'),dtype=tp, skiprows=1, delimiter=',')
ctable = dict(setosa = 'r', versicolor = 'g', virginica = 'b')
carray = [ctable[x] for x in flower_data['species'] ]
In [108]:
In [83]:
fig = plt.figure()
ax = fig.add_subplot(111)
rects = ax.bar(range(10), 20*np.random.rand(10))
drs = []
In [157]:
import pdb
In [169]:
class BrushingRectangle:
def __init__(self):
self.press = None
self.ax = plt.gca()
self.cidpresss = self.ax.figure.canvas.mpl_connect('button_press_event', self.on_press)
self.cidrelease = self.ax.figure.canvas.mpl_connect('button_release_event', self.on_release)
def on_press(self, event):
print 'press'
x0 = event.x
y0 = event.y
print event.inaxes
self.press = (x0,y0)
print x0,y0
def on_release(self, event):
if event.inaxes == self.ax:
print event.inaxes
print event.x, event.y,
print 'release'
self.press = None
def disconnect(self):
self.ax.figure.canvas.mpl_disconnect(self.cidpresss)
self.ax.figure.canvas.mpl_disconnect(self.cidrelease)
In [170]:
features = ['sepalL','sepalW']
f0, axx = plt.subplots(2,2, figsize = (12,8))
brushable = []
for i, row in enumerate(features):
for j, col in enumerate(features):
axx[j][i].scatter(flower_data[row], flower_data[col],alpha=0.5,s = 30, c=carray, edgecolors = 'none')
brush = BrushingRectangle()
brushable.append(brush)
In [166]:
plt.close('all')
In [136]:
import matplotlib.pyplot as plt
from matplotlib.patches import Rectangle
class Annotate(object):
def __init__(self):
self.ax = plt.gca()
self.rect = Rectangle((0,0), 1, 1)
self.x0 = None
self.y0 = None
self.x1 = None
self.y1 = None
self.ax.add_patch(self.rect)
self.ax.figure.canvas.mpl_connect('button_press_event', self.on_press)
self.ax.figure.canvas.mpl_connect('button_release_event', self.on_release)
def on_press(self, event):
print 'press'
self.x0 = event.xdata
self.y0 = event.ydata
def on_release(self, event):
print 'release'
self.x1 = event.xdata
self.y1 = event.ydata
self.rect.set_width(self.x1 - self.x0)
self.rect.set_height(self.y1 - self.y0)
self.rect.set_xy((self.x0, self.y0))
self.ax.figure.canvas.draw()
a = Annotate()
plt.show()
In [ ]: