A script to generate the Mayavi logo: a Boy surface.
The boy surface is a mathematical parametric surface, see http://en.wikipedia.org/wiki/Boy%27s_surface . We display it by sampling the two parameters of the surface on a grid and using the mlab’s mesh function: enthought.mayavi.mlab.mesh().
Source code: boy.py
# Author: Gael Varoquaux <gael.varoquaux@normalesup.org>
# Copyright (c) 2007, Enthought, Inc.
# License: BSD Style.
from numpy import sin, cos, mgrid, pi, sqrt
from enthought.mayavi import mlab
mlab.figure(fgcolor=(0, 0, 0), bgcolor=(1, 1, 1))
u, v = mgrid[-0.035:pi:0.01, -0.035:pi:0.01]
X = 2/3.* (cos(u)* cos(2*v)
+ sqrt(2)* sin(u)* cos(v))* cos(u) / (sqrt(2) - sin(2*u)* sin(3*v))
Y = 2/3.* (cos(u)* sin(2*v) - sqrt(2)* sin(u)* sin(v))* cos(u) / (sqrt(2)
- sin(2*u)* sin(3*v))
Z = -sqrt(2)* cos(u)* cos(u) / (sqrt(2) - sin(2*u)* sin(3*v))
S = sin(u)
mlab.mesh(X, Y, Z, scalars=S, colormap='YlGnBu', )
# Nice view from the front
mlab.view(.0, -5.0, 4)
mlab.show()