# Mayor Library imports from numpy import linspace, meshgrid, sin from scipy.special import jn # Enthought library imports from enthought.chaco.shell import show, title, contour # Crate some scalar data xs = linspace(-10,10,200) ys = linspace(-10,10,400) x,y = meshgrid(xs,ys) z = sin(x)*x*jn(0,y) # Create a contour line plot contour(x,y,z, bgcolor="black") # Add some titles title("contour line plot") #This command is only necessary if running from command line show()