Study on the Key Techniques of Emergency Logistics Visualization System Based on GIS

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GIS (Geographic Information System) can be used practically in four phases of Emergency Logistics Management, namely Risk Assessment & Planning, Preparation, Response and Recovery. This paper illustrates applications of GIS in the phases of Preparation and Response, proposes and discusses the key techniques of Emergency Logistics Visualization System based on GIS - the techniques of correlating space data with attribute data as well as the MapX technique based on module, so as to provide new ways for further systematic realization.