Assessment of Suitability of Land Space Development Based on Parallel Spatial Overlay Analysis

doi:10.12068/j.issn.1005-3026.2021.11.010

Abstract

Abstract: In the environment of land space big data， the performance of spatial development suitability evaluation based on serial superposition analysis has reached the extreme. In order to use more computing resources to improve the efficiency of spatial development suitability evaluation， it is necessary to study the parallelization method. Based on overlay analysis for multi factor of the principle of comprehensive evaluation， the spatial data preprocessing method， spatial data partition method and parallel spatial index are introduced， and the spatial development suitability evaluation based on parallel overlay analysis is realized. The application of this method in the suitability evaluation of space construction land in four provinces in Southwest China breaks the situation of low efficiency or incompetence in large-scale calculation under the traditional framework， and the efficiency has increased more than 30 times.

Key words: spatial development; suitability assessment; parallel spatial index; spatial data partitioning; overlay analysis

CLC Number:

TP20

YANG Yi-zhou， WU Li-xin， GUO Jia-teng， LIU Shan-jun. Assessment of Suitability of Land Space Development Based on Parallel Spatial Overlay Analysis[J]. Journal of Northeastern University(Natural Science), 2021, 42(11): 1585-1590.

References

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