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| View Original: | Sine3D.png (939x542) | |||
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| Keywords: Sine3D.png en This image was created with the help of mayavi2 and numpy This is the python code <pre> from numpy import from enthought mayavi import mlab def complex_plot function maxval 9 xbounds -3 0 3 0 ybounds -3 0 3 0 stepsize 0 01 text textwidth 0 1 unitcylrange -4 4 zmax 9 zmin -9 legend True signed True try engine mayavi engine except NameError from enthought mayavi api import Engine engine Engine engine start f mlab figure fgcolor 0 0 0 bgcolor 1 1 1 size 500 500 x y mgridxbounds0 xbounds1 stepsize ybounds0 ybounds1 stepsize if signed z maximum minimum abs function x+y 1j sign real function x+y 1j zmax zmin else z maximum minimum abs function x+y 1j zmax zmin s angle function x+y 1j m mlab mesh x y z scalars s from enthought mayavi modules axes import Axes axes Axes engine add_filter axes m module_manager mlab text 0 0 text width textwidth phi v mgrid0 0 2 01 pi 0 1 unitcylrange0 unitcylrange1 0 1 mlab mesh cos phi sin phi v color 1 1 1 opacity 0 5 if legend mlab colorbar title phase orientation 'vertical' complex_plot lambda z sin z text f z sin z xbounds -2 pi 2 pi zmin -5 zmax 5 textwidth 0 3 ybounds -2 2 stepsize 0 01 mlab show </pre> Own Hans Baier 2009-06-12 Sine png Mathematical diagrams | ||||
