I'm desperately searching for a page I've recently seen on the forum (or was it the Wiki?), describing the maths and process on how to determine a good distance between GCP;s on a large land survey project. - Is there anyone out there who know what…

Hello CC community, When solving AT, it is difficult to measure GCPs for the Large Format Aerial Images. Drone images are zoomed in to pixel size to measure GCPs. But I have trouble to measure GCPs to solve AT for the Large format images as IGI…

I have collected geo-referenced drone data along with some SONY DSLR ground photos for a Proof of Concept job on an interchange. I have been trying to use the ground photos to improve the billboard signs along the interchange which have 'holes' in them…