peter green wrote: > Roger, in Bangkok wrote: > >> Given a know wingspan, and the approximate height of the 4 balconies, >> shouldn't be too difficult to approximate how close:-) >> >> > As wouter says that's not enough information. That only tells you the > ratio between the distance between camera and building to the distance > between camera and plane. The planes apparent size is about 3 stories > which a quick search tells me is about 9m. another quick search tells me > a f18s wingspan is about 13.5 meters. This would indicate that the > distance between camera and plane was about 1.5 times the distance > between camera and building. > > So to figure out the actual distance you need to know how far the camera > was from the building, wouter says that this may be possible from other > abberations in the image. I've no idea how to calculate this but the > lines look very straight to me (I think the big vertical through the > building is within a couple of pixels of being dead straight)which would > indicate that this picture was taken from a considerable distance. > > > Here's the story from the Detroit news. http://www.clickondetroit.com/video/20043046/index.html Jim -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist