OrthoGraph Ltd. manufactures PDA based building survey and inventory software systems. The unique OrthoGraph technology enables the on-site drawing of floor-plans of any real estate (including land plots, buildings, rooms or any other types of real estate) in an easy, fast and accurate way. Measurements, data gathering is controlled by the software, there is no missing measurement or data anymore. Each change is reflected immediately by the PDA. - (Read more)