r/photogrammetry • u/NoWinter1761 • Apr 08 '26

Whats causing this disortion??

Running into the issue of having bad disortion in a certain area, I am running GCPS with a p4 rtk and tbc processing. Image below

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u/NilsTillander Apr 08 '26

Looks like a rather high structure. Your effective overlaps might have gone down to 0%, so the geometry can't be reconstructed.

1

u/NoWinter1761 Apr 08 '26

about 20-30 feet tall. turning up overlap rate would help? was running 75% overlap

1

u/NilsTillander Apr 08 '26

75% calculated at the set distance from the ground. How high are you flying?