MATH.CalcHesseRepresentation (FB)
This function block will retrieve the normal form (due to Hesse) of a plane 
in the three dimensional space
:
where
is the normed normal on the plane and 
a point of the plane. The plane is originally specified by three of its points.
|
vP1 |
POINTER TO MATH.Vector3D |
point on plane |
|
vP2 |
POINTER TO MATH.Vector3D |
point on plane |
|
vP3 |
POINTER TO MATH.Vector3D |
point on plane |
|
plane |
MATH.PLANE_H |
normal form of plane |
|
xError |
BOOL |
error flag (see Guidlines for CAA libs) will be set, if input points are collinear |
