Mapping the Mahram Bilquis Marib, Yemen

The site was mapped using a total station and RTK-GPS.

total station

RTK-GPS rover

The survey data was then downloaded into AutoCAD with the SurvCADD module and a Triangular Irregular Network (TIN) was generated with the Quicksurf module.

PhotoModeler was used to solve the focal length and camera locations for site photos taken from a helicopter.Photos with control points in PhotoModeler

Solved camera locations in PhotoModeler

With the focal length and camera locations solved the photos could be used to accurately texture the TIN.