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

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.