I am working on generating a 3D model of a tower that is in the middle of the river. I have flown the tower a few times and have been able to capture the pictures around the tower at 3 different heights and with the camera angle suggested in other articles with 45 degrees for the top pass and then straight at the tower for the next two passes around at the lower elevation.
When I go to generate a 3D model of the tower, the tower is not in the picture. The picture defaults to the bank of the river where it picks up ground terrain.
Has anyone else attempted this procedure and had any luck with reconstructing the tower that is in the water.