Leica GPS1200 Series Technical Reference Manual page 1091

Origin
Positive direction of
plane
Offset of the plane
Reference Plane
The origin of the reference plane can be defined to be in the plane coordinates or in relation
to the national coordinate system.
The positive direction of the plane is defined by the direction of the Y axis. The direction can
be changed by selecting a point which defines the direction of the Y axis.
Z
Y
P1
TPS12_164
P1 Origin of plane
X X axis of plane
Y Y axis of plane
Z Z axis of plane
d1 Positive offset
d2 Negative offset
Z
d1
X
d2
P1
TPS12_164a
P1 Origin of plane
P2 Point defining offset of plane
P2' P2 projected on original plane
d1
X
Y
Z
GPS1200
P2
P2'
Y
Offset defined by P2
X axis of plane
Y axis of plane
Z axis of plane
d1
X
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