added mayavi files

mayavi/mayavi_install.sh

@@ -0,0 +1,5 @@
+#/bin/bash
+# Install Mayavi (scientific data visualization and plotting in Python) on Ubuntu
+# Ref: http://docs.enthought.com/mayavi/mayavi/installation.html
+sudo apt-get install python-vtk python-qt4 python-qt4-gl python-setuptools python-numpy python-configobj
+sudo pip install mayavi

mayavi/test_drawline.py

@@ -0,0 +1,19 @@
+import numpy
+from mayavi.mlab import *
+
+def test_plot3d():
+    """Generates a pretty set of lines."""
+    n_mer, n_long = 6, 11
+    pi = numpy.pi
+    dphi = pi / 1000.0
+    phi = numpy.arange(0.0, 2 * pi + 0.5 * dphi, dphi)
+    mu = phi * n_mer
+    x = numpy.cos(mu) * (1 + numpy.cos(n_long * mu / n_mer) * 0.5)
+    y = numpy.sin(mu) * (1 + numpy.cos(n_long * mu / n_mer) * 0.5)
+    z = numpy.sin(n_long * mu / n_mer) * 0.5
+
+    l = plot3d(x, y, z, numpy.sin(mu), tube_radius=0.025, colormap='Spectral')
+    return l
+
+test_plot3d()
+raw_input()