Volume 38 Issue 8
Aug.  2013
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LI Wenjing, LI Shaoning, LONG Yi, QIU Jia. Point Cluster Selection in GIS Using Gravity Model[J]. Geomatics and Information Science of Wuhan University, 2013, 38(8): 945-949.
Citation: LI Wenjing, LI Shaoning, LONG Yi, QIU Jia. Point Cluster Selection in GIS Using Gravity Model[J]. Geomatics and Information Science of Wuhan University, 2013, 38(8): 945-949.
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Point Cluster Selection in GIS Using Gravity Model

  • 1College of Resources and Environmental Engineering,Wuhan University of Science and Technology, 947 Heping Road,Wuhan 430081,China;2School of Geographic Science,Nanjing Normal University,1 Wenyuan Road,Nanjing 210046,China

Funds: 国家自然科学基金资助项目(40701158,41171350,41271449); 高等学校博士学科点专项科研基金资助项目(20103207110012)
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  • Received Date: May 07, 2013
  • Revised Date: May 07, 2013
  • Published Date: August 04, 2013
    Graphical Abstract
    • Abstract
  • On the basis of the existing GIS information generalization method,a method of inertial selection is put forward in view of correlation between point clusters in GIS.The method will allow evaluation of the correlation between geographic entities through a gravity model considering the spatial and attribute information.Experimental results show that a gravity model can solve the problem of spatial and attribute data integration and can quantitatively describe the correlation between geographic entities.Moreover,the inertial selection model can not only preserve the main spatial features of the geographic entities after generalization,but also takes the influence of correlation between geographic entities on objects selection into consideration.
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