I’ve used Pix4d Capture on several projects to create a 3d model, including DSM. The elevation values in the DSM seem to be way off of reality.
IE, I did a flight mission at the beach, and the DSM indicated that my elevation was -18 ft at the water’s edge.
So, I’m wondering how the Pix4d software generates the elevation data in the DSM–Does it pull information from the drone’s GPS’s sensors during the flight? Is it calculating Z based based on something else?