Plot 3D

Fig. 25 shows a typical view of the 3D tab for 3D visualizations of the magnitude frequency response and poles / zeros. Fig. 25 is a surface plot which looks nice but takes the longest time to compute.

Screenshot of the 3D tab (surface plot)

Fig. 25 Screenshot of the 3D tab (surface plot)

You can plot 3D visualizations of \(|H(z)|\) as well as \(|H(e^{j\omega})|\) along the unit circle (UC).

For faster visualizations, start with a mesh plot (Fig. 26) or a contour plot and switch to a surface plot when you are pleased with scale and view.

Screenshot of the 3D tab (mesh plot)

Fig. 26 Screenshot of the 3D tab (mesh plot)

Development

More info on this widget can be found under plot_3d.