Revision: 8197
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8197&view=rev
Author: heeres
Date: 2010-03-19 16:49:29 +0000 (Fri, 19 Mar 2010)
Log Message:
-----------
Add 3d surface plot example (radial coordinates)
Added Paths:
-----------
branches/v0_99_maint/examples/mplot3d/surface3d_radial_demo.py
Added: branches/v0_99_maint/examples/mplot3d/surface3d_radial_demo.py
===================================================================
--- branches/v0_99_maint/examples/mplot3d/surface3d_radial_demo.py
(rev 0)
+++ branches/v0_99_maint/examples/mplot3d/surface3d_radial_demo.py
2010-03-19 16:49:29 UTC (rev 8197)
@@ -0,0 +1,27 @@
+# By Armin Moser
+
+from mpl_toolkits.mplot3d import Axes3D
+import matplotlib
+import numpy as np
+from matplotlib import cm
+from matplotlib import pyplot as plt
+step = 0.04
+maxval = 1.0
+fig = plt.figure()
+ax = Axes3D(fig)
+
+# create supporting points in polar coordinates
+r = np.linspace(0,1.25,50)
+p = np.linspace(0,2*np.pi,50)
+R,P = np.meshgrid(r,p)
+# transform them to cartesian system
+X,Y = R*np.cos(P),R*np.sin(P)
+
+Z = ((R**2 - 1)**2)
+ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=cm.jet)
+ax.set_zlim3d(0, 1)
+ax.set_xlabel(r'$\phi_\mathrm{real}$')
+ax.set_ylabel(r'$\phi_\mathrm{im}$')
+ax.set_zlabel(r'$V(\phi)$')
+ax.set_xticks([])
+plt.show()
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