Journal of Geomatics Science and Technology (JGST) is published quarterly by the Iranian Society for Surveying & Geomatics Engineering. The purposes of the journal are to develop and enhance introduce, promote and advance all activities, including education, research and innovation, in Geospatial Engineering and relevant sciences. Further, JGST to facilitate communication among experts in Earth Science in general and Surveying Engineers in particular, to publish the results of research works carried out in Iran, and to provide for cooperation among research workers from different bodies. As well as, JGST tries to Introduce young researchers, and graduate students to the theoretical and empirical fundametals of research, through the publication of elaborate and comprehensive papers, and enhancing of the capability of the Persian language in the field of Surveying & Geomatics Engineering.