Linertec LTS-205N - Page 100

A -> B Distance between Point A and B. This is always positive.
P -> A - B Distance between Int. P and P.
If P is on the right side of A-B, the value is positive
if P is on the left side of A-B, the value is negative.
In case of the below drawing, P is on the right side for A-B ,
P->A-B is negative.
Int. P -> A Distance between Int. P and A. This is positive or negative.
If A-Int.P and A-B is are in the same direction, Int.P->A is positive.
In case of the below drawing, since A-B and A-Int.P are in the same direction,
Int.P->A is negative
Int. P -> B Distance between Int. P and B. This is positive or negative.
If B-Int.P and A-B is are in the same direction, Int.P->B is positive.
In case of the below drawing, A-B is opposite direction to B-Int.P,
Int.P->B is negative.
Int.P: Intersection Point
P: SOP, Stake Out Point
Dev. HIGH Int.P and P is the deviation of the z coordinate.
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Int. P
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B
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Int. P
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DEV. HIGH