I'm trying to get to the holy grail of 1 cm resolution on my orto maps. What are ya'lls settings for height/overlap, etc.? Is there a good rule of thumb? Is it as easy as flying lower and more photos?
Mapping is complex. It all depends on the environment, trees or not and what you want to see clearly or not.
On a stadium, for example, with no stands, a simple orbit of 20 photos is enough to get good 3D modelling.
Before I was like at school, I followed the mapping grid with the calculator as
@Sam36401 said.
Good mapping normally requires a grid of 20m x 15m at an altitude of 50m with a
Mini 3 Pro and 27m x 20m on a
Mavic 3.
I've got the 2, and now I don't look at these values any more, I just do it as I go and see what it gives...
First of all, you need to know whether you want to be seen or not because at 50m you can hear a
Mini 3 Pro and I'm not even talking about the
Mavic 3. Otherwise it's 90m but the sharpness isn't as good and the parameters aren't the same but for seeing buildings or houses that's enough...
But that's just my impression from doing regular mapping...