.. _pylab_examples-fill_spiral:

pylab_examples example code: fill_spiral.py
===========================================



.. plot:: /home/tcaswell/other_source/matplotlib/doc/mpl_examples/pylab_examples/fill_spiral.py

::

    #!/usr/bin/env python
    
    from pylab import *
    
    theta = arange(0,8*pi,0.1)
    a=1
    b=.2
    
    for dt in arange(0,2*pi,pi/2.0):
    
         x = a*cos( theta+dt )*exp(b*theta)
         y = a*sin( theta+dt )*exp(b*theta)
    
         dt = dt+pi/4.0
    
         x2 = a*cos( theta+dt )*exp(b*theta)
         y2 = a*sin( theta+dt )*exp(b*theta)
    
         xf = concatenate( (x,x2[::-1]) )
         yf = concatenate( (y,y2[::-1]) )
    
         p1=fill(xf,yf)
    
    show()
    

Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)