Is there a way to determine / compute the distance between a point and point in the model.
I want to know the Z-coordinate relative to the ground.
e.g. I have a point and want to know the distance to the ground(a model file)
ilustration:
*
^
|
| h
|
V
/------
|-------| /
-----' |----/
( i want to dermine h )
Thanks for advice, hints, sollutions, …
Martin