Hi, I flew a mission at 40 meters ground height with about 16 GCP at a measured altitude of about 52 meters over the sea level, but when processing the images in Pix4d it shows an altitude of -25m in the images which doesn’t make any sense not even in the case it was measured below the sea level. A…

Wrong Height measurements

Blaz July 20, 2018, 3:26pm 2

Hi Martin,

We observed this behavior before and I would recommend checking the following post for more information: Negative Altitude Values

I encourage you to post any additional questions there so we avoid duplicate posts.

Best,