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Point Selection
COGO
Shift, Rotate & Scale
methods
Matching points
Next step
OK accesses Point Selection which is the same for Method: Manually
entered and Method: Matching points.
Listed are points which have been selected for shifting, rotating and/or scaling.
Key
Description
OK
To perform the shift, rotation and scale calculation and to
continue with the subsequent panel. Calculated COGO points
are not yet stored.
Add all
To add all points from the job to the list. Selected sort and
filter settings apply. OK adds all displayed points to the list in
Point Selection and returns to that panel.
Add one
To add one point from the job to the list. Selected sort and
filter settings apply. OK adds the currently highlighted point
to the list in Point Selection and returns to that panel.
Description
Applies shifts and/or rotation and/or scale to
one or several known points. The shifts
and/or rotation and/or scale are calculated
from selected points using a 2D Helmert
transformation.
Elements that must be known are
the coordinates of at least two matching
•
points for the calculation of the shifts
and/or rotation and/or scale.
the coordinates of the points to be shif-
•
ted, rotated and/or scaled. They must be
stored in the job.
Points with full coordinate triplets, position
only points and height only points can be
used.
The number of pairs of points matched
determines whether the shift, rotation and
scale values are computed. For only one
point, only shifts are calculated, rotation and
scale are not.
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