I'm asuming the shadows are shadows cast on to the landscape, and not in mid-air.
So any object will have a shadow on its own x-z-coordinates.
The y-coordinate wil be the y coordinate of the tile that occupies that x-y-position.
Or perhaps You are doing something quite different?
So any object will have a shadow on its own x-z-coordinates.
The y-coordinate wil be the y coordinate of the tile that occupies that x-y-position.
Or perhaps You are doing something quite different?