"Also, how did you decide the distance and altitiude for each photo? or do you just fly randomly and the trick is to take as many photos as possible from every possible direction? Also how far should the camera be from the object to get certain…"

"Wow, Amazing. But I have a question... How did 123D Catch know the location (X Y coordinates) of each photo if you did not connect the camera with the GPS? How did 123d Catch stitch the images together without any georefrencing ? Are the photos…"