we are looking for the implementation of a small app.
the app must work in this way:
1- user can take a photo per cam or choose one from the gallery
2- the user can draw a striaght line from point A to point B on the image
3- just after drawing the line, the app asks the user for scale (for example, 100 pixels on the pic are 2m in reality...
Skills: ipad, iphone