ZTS600 | 90Applications
Dual face meas-
urements
When measuring the same target in both faces, the reflector height may not
be changed when observing in the second face. Error checks are made for dual
face measurements to ensure the same point is sighted with the other face.
• If a target point is measured several times in the same face the last valid
measurement is used for computation.
• For the calculation of the station position, measured target points can be
re-measured, included in calculations, or excluded from calculations.
Measurements
not included in
computations
Target points with 0.000 height are discarded for height processing. If a target
point has a valid height of 0.000 m, use 0.001 m to include it for height
processing.
9.4.3 Computation Procedure
Description The measuring procedure automatically determines the method of evaluation,
for example resection or three point resection.
If more than the minimum required measurements are performed, the proce-
dure uses a least squares adjustment to determine the 3D position and aver-
ages orientation and height measurements.
• The original averaged face I and face II measurements are used for the
computation process.
• All measurements are treated with the same accuracy, whether these are
measured in single or dual face.
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