Leica TPS1200 series Technical Reference Manual page 1029

Tilted plane
Reference Plane & Face Scan
Any number of points define the plane, perimeter to be scanned is defined by a bottom left-
topright window. The axis of the tilted reference plane are:
X axis: Horizontal and parallel to the plane
Z axis: Defined by steepest direction of the plane
Y axis: Perpendicular to the plane; increases in the direction as defined
Offsets are applied in the direction of the Y axis.
a
Z
P1
Y
TPS12_165
a Height
b Easting
N Northing
P1 Origin of plane
X X axis of plane
Y Y axis of plane
Z Z axis of plane
With four or more points a least squares adjustment is calculated resulting in a best fit plane.
a
X
b
TPS12_165a
a
b
N
P1 Origin of plane
X
Y
Z
TPS1200
Z
Y
X
P1
Height
Easting
Northing
X axis of plane
Y axis of plane
Z axis of plane
b
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