PTLINEDISTANCE
THE BOX'S MAIN HELP:
This function returns the perpendicular distance between point Q and the line defined by A and B.
A (input):
A point in space. The first point in the line AB.
B (input):
A point in space. The second point in the line AB.
Q (input):
A point in space. The point whose perpendicular distance from AB is returned.
OUT (output):
This function returns the perpendicular distance between point Q and the line defined by A and B.