Plotting Utilities

contour	Create a 3D contour plot.
contourf	Create a 3D contourf plot.
plot_compare	Compare two signals and plot the difference between them.
plot_encoded	Plot a time-encoded signal.
plot_fourier	Plot the Discrete Fourier Transform of a signal.
plot_raster	Plot several time sequences as a raster.
plot_signal	Plot a signal.
surf	Create a surface plot.
wireframe	Plot a 3D wireframe.