Issues with Block Adjustment

03-03-2021 07:31 AM
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Good Afternoon,


Why does ArcGIS Pro seem to give such inconsistent results when carrying out the block adjustment of Drone Imagery?

I have been working through some of the tutorials using the Sample data including Asphalt and Banana Plant datasets and the results seem to vary both during the final adjustment (after GCPs have been placed) and when creating the output OrthoMapping Products?


On some occasions the results will be OK......

However most of the time the Orthomosaic and DEM wont cover the full area covered by the Imagery. This seems to happen despite similar GCPs being used. What would cause these issues?




Alex Rocks




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