李德仁, 彭美云, 张菊清. GIS中线要素的定位不确定性模型研究[J]. 武汉大学学报 ( 信息科学版), 1995, 20(4): 283-288.
引用本文: 李德仁, 彭美云, 张菊清. GIS中线要素的定位不确定性模型研究[J]. 武汉大学学报 ( 信息科学版), 1995, 20(4): 283-288.
Li Deren, Peng Meiyun, Zhang Juqing. Modelling Positional Uncertainty of Line Primitives in GIS[J]. Geomatics and Information Science of Wuhan University, 1995, 20(4): 283-288.
Citation: Li Deren, Peng Meiyun, Zhang Juqing. Modelling Positional Uncertainty of Line Primitives in GIS[J]. Geomatics and Information Science of Wuhan University, 1995, 20(4): 283-288.

GIS中线要素的定位不确定性模型研究

Modelling Positional Uncertainty of Line Primitives in GIS

  • 摘要: 从概率论的角度构造了矢量GIS中线要素的定位不确定性模型,并根据讨论问题的需要,给出了衡量点、线定位误差的精度指标。这一研究可为GIS产品的质量估计提供有效依据。

     

    Abstract: In this paper,the positional uncertainty models of point and line primitives in GIS are made.On the basis of this,a set of accuracy indicators for point and line features are presented.This gives a theoretical basis for estimating the quality of GIS.

     

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