Proposed single-zone map projection system for Turkey

IF 0.3 Q4 REMOTE SENSING
Faruk Yildirim, F. Kadi
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引用次数: 0

Abstract

Abstract The coordinate base of the maps or sheets produced is the Universal Transversal Mercator (UTM) conformal projection, and it is not possible to work in a single coordinate system in Turkey. Therefore, a transition from UTM to other conformal projections is required. For the countries extending in an east–west UTM zone width like Turkey, composite projection (CP), a double standard paralleling Lambert Conformal Conic (LCC) and double map projections (DP) are used widely. However, this process causes increase in working load and processing errors by users. This study aims to determine a common projection system that can be used in the whole country. In this context, a composite projection from UTM and LCC projection has been defined for the first time. According to the results obtained, map projection CP with the least distortion values in both east–west and north–south directions has been chosen. With the CP selection, a single coordinate system has been determined for medium- and large-scale maps. Projection correction formulas, scale factor and false origin have been determined for map coordinates in CP. These distortions are obtained with a difference of less than 1 cm for 1 km long sides and less than 0.003″ for the azimuth value of this side, when the correction formulas are used.
拟议的土耳其单一区域地图投影系统
制作的地图或表格的坐标基础是通用横墨卡托(UTM)保角投影,在土耳其不可能在单一坐标系下工作。因此,需要从UTM过渡到其他保形投影。对于像土耳其这样东西向UTM区域宽度延伸的国家,广泛使用复合投影(CP)、双标准平行Lambert共形圆锥(LCC)和双地图投影(DP)。但是,此过程会增加用户的工作负载和处理错误。本研究旨在确定一个可以在全国范围内使用的通用投影系统。在这种情况下,首次定义了UTM和LCC投影的复合投影。根据所得结果,选择了东西向和南北向失真值最小的地图投影CP。通过CP选择,确定了中、大比例尺地图的单一坐标系统。在CP中,确定了地图坐标的投影校正公式、比例尺因子和假原点。当使用校正公式时,这些畸变对1 km长边的误差小于1 cm,对该边的方位角值的误差小于0.003″。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
自引率
28.60%
发文量
5
审稿时长
12 weeks
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