SLT12 User Manual
95
point orientation correction. The corresponding measurement coordinate points in the point data are corrected
according to the selected hind viewpoint coordinates.
Figure 9- 3
9.2
Free Station Calibration
The orientation-free correction function is used to post-process data recorded from orientation-free set-up
measurements, i.e., to perform the hind-sight correction. It is divided into the known point method and the
common point method. The module can be accessed through [COGO] - [Free Station Correction].
9.2.1 Known Point Method
The known point method is used for back-view correction when the correct coordinates of one of the
measurement points are known. The operation steps are as follows.
1. Precondition: the station has been set up direction-free, the coordinates of several points have been measured,
and the correct coordinates of one of the measurement points have been known.
2. Go to [Free Station Correction] and select the known point method. Click the list of selected points button
after the station to select the station to be corrected.
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