pik4dPix4D has the best support out there. If there is a problem, Pix4D is on top of it. Many of us in the industry learned how to map with modern photogrammetry using Pix4D support articles and tutorials.Pix4D is a developer of cutting-edge software that converts images taken by hand, by drone, or by plane into survey-grade accurate and geo-referenced 2D maps, 3D surface models and point...