The Study on Error Analysis of Discretization Area in Discrete Global Grid System

Peng Guangxiong · Wang Zhangang

4 citations0/0 files storedProcedia Environmental Sciences

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Historical Geography and Cartography Geographic Information Systems Studies Computational Geometry and Mesh Generation

Abstract

The research of area calculation error is the base of discretization of area in discrete global grid system. The error source of discretization of area was analysed and a calculation experiment was designed to calculation the errors of discretization of area. The true area and discretization area were calculated. A relationship between area of triangular parting and partition level was given. The method to express area in discrete global grid system by selecting the appropriate partition level was also given.

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References

1992Cartographic and Geometric Components of a Global Sampling Design for Environmental Monitoring 1999Comparing Geometrical Properties of Global Grids 1998Comparing area and shape distortion on polyhedral-based recursive partitions of the sphere 1996Improving locational specificity of map data a multi-resolution, metadata-driven approach and notation 1995Statistical Comparison of Map Projection Distortions Within Irregular Areas

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