My company is going to be using drones with pix4d for survey. Before we enter this new realm for us, I have a few questions:
What is a good elevation range above ground that captures the most accurate information?
-I am assuming that if we flew at 300 feet, the data will not have the same accuracy as 100 feet. I’m guessing it will also depend on the the specific camera used. But in general, what have you guys found to be the best elevation range?
This ties back to #1. If we flew at a lower elevation, would we need more ground control points? And vice versa, would we need less at a higher elevation? What is a good balance, flight elevation and the amount of ground control points (what number of them are typically used) vs. the quality of data obtained?
I would appreciate any constructive answers. We are excited to use this software, and any help before the transition will greatly help. Thanks!