# Mayor Library imports
from numpy import linspace, meshgrid, sin

# Enthought library imports
from enthought.chaco.shell import show, title, pcolor, colormap
from enthought.chaco.default_colormaps import jet


# Crate some scalar data
xs = linspace(0,10,200) 
ys = linspace(0,20,400) 
x,y = meshgrid(xs,ys)
z = sin(x) * y

# Create a pseudo-color-map
pcolor(x,y,z)

#change the color mapping
colormap(jet)

# Add some titles
title("pseudo colormap image plot")

#This command is only necessary if running from command line
show()