Lecture 17 Content. Aerotriangulation (AO). Defined as the procedure of establishing the geometric relationships among overlapping and side lapping photographs for determining the positions of supplemental horizontal control points Reduces substantially the control required by field methods.
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30% overlap between relationships among overlapping and side lapping photographs for determining the positions of supplemental horizontal control points
runs or swaths
Run #2Overlap between Runs or Swaths
60% Overlap relationships among overlapping and side lapping photographs for determining the positions of supplemental horizontal control pointsWhat is a BLOCK?
Least Squares Adjustment calculates new points based on distributing and minimizing residuals throughout the ENTIRE block
Predicted Location coordinates measured
#2 coordinates measured
0.543The Convergence Value
If every difference between these values is less than the Convergence value, the iterations will STOP
Indicates that the triangulation has met the required accuracy
Self Calibrating and Bundle Adjustment coordinates measured
… The End … coordinates measured