File: pcolor_log.py

package info (click to toggle)
matplotlib 0.98.1-1%2Blenny4
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 18,624 kB
  • ctags: 22,599
  • sloc: python: 76,915; cpp: 63,459; ansic: 5,353; makefile: 111; sh: 12
file content (27 lines) | stat: -rw-r--r-- 580 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
from pylab import *

from matplotlib.colors import LogNorm


N = 100
x = linspace(-3.0, 3.0, N)
y = linspace(-2.0, 2.0, N)

X, Y = meshgrid(x, y)

# A low hump with a spike coming out of the top right.
# Needs to have z/colour axis on a log scale so we see both hump and spike.
# linear scale only shows the spike.
Z1 = bivariate_normal(X, Y, 0.1, 0.2, 1.0, 1.0) + 0.1*bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)

subplot(2,1,1)
pcolor(X, Y, Z1, norm=LogNorm(vmin=Z1.min(), vmax=Z1.max()))
colorbar()

subplot(2,1,2)
pcolor(X, Y, Z1)
colorbar()


show()
#savefig('pcolor_log.png')