19 lines
388 B
Python
19 lines
388 B
Python
|
from matplotlib.pyplot import figure, show
|
||
|
|
from numpy import arange, pi, cos, sin, pi
|
||
|
|
from numpy.random import rand
|
||
|
|
|
||
|
|
# unit area ellipse
|
||
|
|
rx, ry = 3., 1.
|
||
|
|
area = rx * ry * pi
|
||
|
|
theta = arange(0, 2*pi+0.01, 0.1)
|
||
|
|
verts = zip(rx/area*cos(theta), ry/area*sin(theta))
|
||
|
|
|
||
|
|
x,y,s,c = rand(4, 30)
|
||
|
|
s*= 10**2.
|
||
|
|
|
||
|
|
fig = figure()
|
||
|
|
ax = fig.add_subplot(111)
|
||
|
|
ax.scatter(x,y,s,c,marker=None,verts =verts)
|
||
|
|
|
||
|
|
show()
|