I remember seeing a project, in which Rhino was used. I think it was an Air Traffic Control tower (BUT I COULD BE WRONG). I was not able to find any McNeel blogs or articles on the matter.
When looking for air traffic towers I get results such as this, which are close, but no exactly what I remeber seeing.
I specifically remember seeing a colorful diagram which was analysis curvature or some sort of parameter on the surface.
Edit found it: