MatPlotLib

http://matplotlib.sourceforge.net/examples/pylab_examples/pcolor_demo.html

 

pylab_examples example code: pcolor_demo.py¶

[source code,hires.png, pdf]

#!/usr/bin/env python"""See pcolor_demo2 for an alternative way of generating pcolor plotsusing imshow that is likely faster for large grids"""from __future__ import divisionfrom matplotlib.patches import Patchfrom pylab import *def func3(x,y):    return (1- x/2 + x**5 + y**3)*exp(-x**2-y**2)# make these smaller to increase the resolutiondx, dy = 0.05, 0.05x = arange(-3.0, 3.0001, dx)y = arange(-3.0, 3.0001, dy)X,Y = meshgrid(x, y)Z = func3(X, Y)pcolor(X, Y, Z)colorbar()axis([-3,3,-3,3])show()

Keywords: python, matplotlib, pylab, example, codex (see Search examples)