MATLAB surfnorm
The surfnorm function creates a 3D graphic of a surface and the surface normal vectors.
Contents
Usage
[X,Y,Z] = cylinder(1:10); figure; surfnorm(X,Y,Z);
See also figures and related commands.
To instead calculate the surface normal vectors that would be rendered, try:
[norm_X, norm_Y, norm_Z] = surfnorm(X,Y,Z);