Photo Survey gives PowerCADD the ability to survey building facades with just a photo and 4 measured points or rectify a map using powerful terrestrial photogrammetry techniques.
![Photographic survey of a facade of a building with traced lines and lines after rectification .](http://www.engsw.com/wp-content/uploads/2014/05/photosurvey-ex2-300x224.gif)
Photographic survey of a facade of a building with traced lines and lines after rectification .
![photo survey example](http://www.engsw.com/wp-content/uploads/2014/05/photosurvey-ex1-300x212.gif)
Photographic survey of a facade of an ancient building
![photosurveytool](http://www.engsw.com/wp-content/uploads/2014/05/photosurveytool.gif)
The tools in Photo Survey