Studying the Distortion Impact of the Coordinates as a result of using the Coordinate Extension from Zone to Zone | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 16, Issue 2, June 2012, Pages 161-177 | ||
| Author | ||
| Lubna S. ALshammari | ||
| Abstract | ||
| The transformation between zone to zone is successfully applied to the set of the coordinates of selecting project. When a combat area includes more than one grid zone, transformation may be required. In the UTM grid zones, there are overlap areas; however, transformation is not restricted to these overlap areas. Grid coordinates and azimuths can be transformed from any point in one zone into terms of an adjacent zone. The problem is solved by using different approved software’s like ERDAS Imaging 9.2 and Franson CoordTrans to get the same results for one set of coordinate’s extent from UTM-WGS84 –Zone 38N to UTM-WGS84 –Zone 39N in the south of Iraq. The coordinates of the project is measured on the site by considering the total length of the project (100 Km) lies at the zone 38N while actually only 26 km lays in such zone and nineteen control points as base line points had been distributed along the route including the X and Y coordinates corresponding to the zone 38N. The measurements were applied by using DGPS instrument, which are considered, as one of the new techniques in surveying Technology. A computer program is developed through using ARC GIS to take into account the input parameters of each zone. It was found that the distortion in the coordinate of each point measured can be neglected especially in the first 80 km of extension. Also it was concluded that the measurements of the points coordinates at the site affected by different type of factors especially the type of instruments using and the type of post processing | ||
| Keywords | ||
| Coordinate Transformation; UTM Grid Zone | ||
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