Examples
Lighted surface.
surfl(peaks(30));
shading interp;
surfl(Z)
surfl(X, Y, Z)
surfl(..., 'light')
surfl(parent, ...)
h = surfl(...)
surfl displays a surface with lighting-based reflectance stored in the surface color data.
surfl(..., 'light') creates an infinite light and returns the surface and light handles.
surfl(peaks(30));
shading interp;