测绘通报 ›› 2019, Vol. 0 ›› Issue (2): 91-94,112.doi: 10.13474/j.cnki.11-2246.2019.0050

• 技术交流 • 上一篇    下一篇

地形起伏地区平面坐标转换方法及精度分析

马海英1, 胡月明2,3,4,5,6, 姚朝龙2, 范亚南2,7, 胡碧霞8, 张伟8   

  1. 1. 德令哈市国土资源局, 青海 德令哈 817000;
    2. 华南农业大学资源环境学院, 广东 广州 510642;
    3. 国土资源部建设用地再开发重点实验室, 广东 广州 510642;
    4. 广东省土地利用与整治重点实验室, 广东 广州 510642;
    5. 广东省土地信息工程技术研究中心, 广东 广州 510642;
    6. 青海大学农牧学院, 青海 西宁 810016;
    7. 广州市华南自然资源科学技术研究院, 广东 广州 510642;
    8. 青海友元空间信息技术有限公司, 青海 西宁 810008
  • 收稿日期:2018-10-23 出版日期:2019-02-25 发布日期:2019-03-05
  • 通讯作者: 姚朝龙。E-mail:clyao@scau.edu.cn E-mail:clyao@scau.edu.cn
  • 作者简介:马海英(1982-),女,硕士,主要从事地籍管理及土地开发项目管理等工作。E-mail:283522934@qq.com
  • 基金资助:

    武汉大学地球空间环境与大地测量教育部重点实验室开放基金(17-01-08);华南农业大学资源环境学院院长基金(ZHXY2018A01)

Plane coordinate conversion methods and precision analysis in consideration of topographic relief

MA Haiying1, HU Yueming2,3,4,5,6, YAO Chaolong2, FAN Yanan2,7, HU Bixia8, ZHANG Wei8   

  1. 1. Delingha Bureau of Land and Resources, Delingha 817000, China;
    2. College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China;
    3. Key Laboratory of the Ministry of Land and Resources for Construction Land Transformation, South China Agricultural University, Guangzhou 510642, China;
    4. Guangdong Provincial Key Laboratory of Land Use and Consolidation, South China Agricultural University, Guangzhou 510642, China;
    5. Guangdong Province Land Information Engineering Technology Research Center, South China Agricultural University, Guangzhou 510642, China;
    6. Agriculture and Animal Husbandry, Qinghai University, Xining 810016, China;
    7. South China Academy of Natural Resources Science and Technology, Guangzhou 510642, China;
    8. Qinghai Youyuan Spatial Information Technology Co., Ltd., Xining 810008, China
  • Received:2018-10-23 Online:2019-02-25 Published:2019-03-05

摘要:

坐标转换的精度受转换模型、公共点个数和分布、地形情况等多种因素的影响。本文以青海高原地区某县矿权核查数据为例,采用四参数模型和二次曲面模型进行平面坐标转换,在地形起伏大的大范围区域探讨公共点选取对坐标转换精度的影响,分析两种平面坐标转换模型的特征,为相关的工程应用提供参考依据。

关键词: 坐标转换, 地形起伏, 转换模型, 精度分析

Abstract:

The precision of coordinate conversion is impacted by various factors, such as conversion methods, the number and distribution of public points, and topography. Taking mining right inspection data in Qinghai plateau as an example, this paper made plane coordinate transformation using four parameters model and the quadratic surface model. The impacts of the selection of public points on coordinate transformation in undulate terrain and the features of the two plane coordinate transformation methods were explored. The results of this study provided helpful information for the related engineering applications.

Key words: coordinate transformation, topographic relief, conversion model, precision analysis

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