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1.2.4
by Varun Hiremath
Import upstream version 3.3.0 |
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"""
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A script to generate the Mayavi logo: a Boy surface.
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The boy surface is a mathematical parametric surface, see
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http://en.wikipedia.org/wiki/Boy%27s_surface . We display it by sampling
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the two parameters of the surface on a grid and using the mlab's mesh
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1.2.9
by Varun Hiremath
Import upstream version 4.0.0 |
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function: :func:`mayavi.mlab.mesh`.
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1.2.4
by Varun Hiremath
Import upstream version 3.3.0 |
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"""
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1.2.9
by Varun Hiremath
Import upstream version 4.0.0 |
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# Author: Gael Varoquaux <gael.varoquaux@normalesup.org>
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1.2.4
by Varun Hiremath
Import upstream version 3.3.0 |
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# Copyright (c) 2007, Enthought, Inc.
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# License: BSD Style.
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1.2.9
by Varun Hiremath
Import upstream version 4.0.0 |
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from numpy import sin, cos, mgrid, pi, sqrt |
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from mayavi import mlab |
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1.2.4
by Varun Hiremath
Import upstream version 3.3.0 |
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mlab.figure(fgcolor=(0, 0, 0), bgcolor=(1, 1, 1)) |
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1.2.11
by Varun Hiremath
Import upstream version 4.3.1 |
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u, v = mgrid[- 0.035:pi:0.01, - 0.035:pi:0.01] |
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1.2.4
by Varun Hiremath
Import upstream version 3.3.0 |
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1.2.11
by Varun Hiremath
Import upstream version 4.3.1 |
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X = 2 / 3. * (cos(u) * cos(2 * v) |
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+ sqrt(2) * sin(u) * cos(v)) * cos(u) / (sqrt(2) - |
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sin(2 * u) * sin(3 * v)) |
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Y = 2 / 3. * (cos(u) * sin(2 * v) - |
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sqrt(2) * sin(u) * sin(v)) * cos(u) / (sqrt(2) |
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- sin(2 * u) * sin(3 * v)) |
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Z = -sqrt(2) * cos(u) * cos(u) / (sqrt(2) - sin(2 * u) * sin(3 * v)) |
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1.2.4
by Varun Hiremath
Import upstream version 3.3.0 |
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S = sin(u) |
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mlab.mesh(X, Y, Z, scalars=S, colormap='YlGnBu', ) |
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# Nice view from the front
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1.2.11
by Varun Hiremath
Import upstream version 4.3.1 |
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mlab.view(.0, - 5.0, 4) |
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1.2.4
by Varun Hiremath
Import upstream version 3.3.0 |
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mlab.show() |