Projection of a 3D point on a 2D plane

Suppose I have a plane ax + by + c = z, and point (xi,yi,zi). How to find orthogonal projection of the point on the plane?

Answer 1

[Jing Ci Neo]

Hello Harshil,

I wrote a function to do that, but I'm not sure if it works. Attached is the function. If you find anything wrong with it, please tell me. Thanks!

Best, Jing Ci

[Fernando Munoz]

It works,Thanks for the function.

[Nosheen Munir]

Please tell how to reverse from 2D to 3D?