| 投影变形对坐标转换精度的影响 |
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| 引用本文： | 刘延斌,凡春明,陈永立.投影变形对坐标转换精度的影响[J].测绘与空间地理信息,2014(7):184-186. |
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| 作者姓名： | 刘延斌 凡春明 陈永立 |
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| 作者单位： | 河北省第一测绘院,河北石家庄050031 |
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| 摘 要： | 用实例分析了应用平面四参数模型进行坐标转换时,不同坐标系的投影差异对坐标转换精度的影响,并对转换误差的原因进行了分析,得出了在利用平面直角坐标转换时必须保证各坐标系中央子午线应尽量一致的结论。
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| 关 键 词： | 投影变形 坐标转换 精度 影响 |
Projection Deformation Influence on the Precision of Coordinate Transformation |
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| Institution: | LIU Yan-bin, FAN Chun - ming, CHEN Yong - li ( Hebei First Surveying and Mapping Institute, Shijiazhuang 050031, China) |
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| Abstract: | In this paper, application of plane model with four parameters are analyzed with examples of coordinate conversion of different coordinate system, the projection of different influence on precision of coordinate transformation, and the conversion error sources are analyzed, the use of plane rectangular coordinate transformation must ensure that each coordinate central meridian should be consistent. |
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| Keywords: | distortion of projection coordinate transformation precision effect |
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