| 基于GIS的北京54坐标与西安80坐标转换方法与应用 |
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| 引用本文： | 李树羽.基于GIS的北京54坐标与西安80坐标转换方法与应用[J].地质与资源,2013,22(1):59-63. |
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| 作者姓名： | 李树羽 |
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| 作者单位： | 辽宁省地质矿产调查院, 辽宁 沈阳 110031 |
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| 摘 要： | 对北京54坐标与西安80坐标转换原理进行了论述.结合工作中遇到的一些实际问题，列举了两个坐标转换实例.对“辽宁省矿业权实地核查”成果深度研究，获得了全省1/5万各图幅的北京54与西安80坐标转换改正值.对全省坐标转换改正值进行分析，提出了常用的七参数布尔莎模型以及三参数坐标转换适应范围.阐述了利用MapGIS软件进行北京54坐标与西安80坐标转换步骤.
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| 关 键 词： | 地图投影变换 高斯投影 北京54坐标 西安80坐标 布尔莎模型 |
| 收稿时间： | 2012-03-12 |
GIS-BASED CONVERSION BETWEEN BEIJING 1954 AND XI'AN 1980 COORDINATE SYSTEMS |
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| LI Shu-yu.GIS-BASED CONVERSION BETWEEN BEIJING 1954 AND XI'AN 1980 COORDINATE SYSTEMS[J].Geology and Resources,2013,22(1):59-63. |
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| Authors: | LI Shu-yu |
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| Institution: | Liaoning Institute of Geology and Mineral Resources Survey, Shenyang 110031, China |
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| Abstract: | During geological surveying work,the conversion between coordinate systems is frequently involved.The principle of conversion between Beijing 1954 and Xi,an 1980 coordinate systems is discussed in this paper.In combination with some problems encountered in practical work,two examples are analyzed.Based on the result from "Mining Rights and Field Verification in Liaoning Province",the corrected values of Beijing 1954 and Xi,an 1980 coordinate conversion are obtained for all 1:50 000 maps of Liaoning Province.With analysis on these corrected values,the applicable ranges of commonly used seven-parameter Bursa model and three-parameter coordinate conversion are provided.The procedures and methods of conversion between Beijing 1954 and Xi,an 1980 coordinate systems with MapGIS software are described. |
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| Keywords: | map projection conversion Gauss projection Beijing 1954 coordinate Xi an 1980 coordinate Burse model |
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