Terrain Quantization Model Based on Global Subdivision Grid

doi:10.11947/j.AGCS.2016.F019

Abstract

Abstract: To solve the current problems in terrain quantization, such as the limitation of grid levels, the difficulties in data organization and management, and other issues, a quadrilateral terrain quantization model based on global subdivision grid is proposed. The model adopts GeoSOT as the spatial reference, and realize the correlation and retrieval of quantization data among different layers based on GeoSOT location identification code, which provides methods of the the quantization procession, the organization and storage, the data aggregation of the vector data and regular grid data.

Key words: terrain quantization, global subdivision grid, GeoSOT, data aggregation

CLC Number:

P208

MENG Li, CHENG Chengqi, CHEN Dong, YANG Weiming. Terrain Quantization Model Based on Global Subdivision Grid[J]. Acta Geodaetica et Cartographica Sinica, 2016, 45(S1): 152-158.

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