Design and Implementation of a Spatio-temporal Data Model on Account of Shapefile and Base State with Amendments Model

  • 1. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;
    2. Satellite Environment Center, Ministry of Environmental Protection, Beijing 100049, China;
    3. College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China

Received date: 2011-02-16

  Revised date: 2012-02-10

  Online published: 2012-06-25

Supported by



The research of spatio-temporal data model is the core of temporal GIS. Though the concept of temporal GIS has been proposed for years, there isnt any practical system till now. In order to simulate and save the temporal and spatial variation as well as apply the tranditional GIS functions, in this paper we chose to extend the existing ArcGIS vector data model to support temporal and spatial analysis functions. Firstly, we analysed the type of temporal and spatial variation and divided the common temporal and spatial variation into 8 different kinds. Then based on the analysis of variation types, we constructed a kind of spatio-temporal data model that support to save, analyse and simulate spatio-temporal changes in view of the vector data model of ArcGIS by using the base state with amendments model. Because that most multi-period spatial data are saved into multi-snapshots format, in other words, they are saved separately, its unrealistic to convert them into base state with amendments format manually. So in this paper, we also design and implement an algorithm which can extract and save temporal and spatial changes into base state with amendments format automatically from multi-period data. In order to verify the feasibility and efficiency of the data model, we designed and implemented a demo system to support the query, analysis, management and dynamic visualization of spatio-temporal data. The verify result showed that this data model could be used to support spatio-tempoal change recording, analysis and management.

Cite this article

HU Hui, WANG Changzuo, LIANG Wanjie, JIANG Dong, JU Bin . Design and Implementation of a Spatio-temporal Data Model on Account of Shapefile and Base State with Amendments Model[J]. Journal of Geo-information Science, 2012 , 14(3) : 313 -319 . DOI: 10.3724/SP.J.1047.2012.00313


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