Based On Arcgis Server Urumuqi Traffic Emergency System Data Compression Technique Research

With the increasingly complex emergencies and the development of technology,need a complete set of intelligent information processing and communicationsolutions to urban transport, public security, fire, emergency and other linkage unitsunity, to achieve integration of public security, fire fighting, first aid,telecommunications including multi-sectoral, multi-faceted, multi-level resources toplay the performance of integrated services. In order to achieve the spatial orientationof a similar disaster site, rescue teams best driving routes and line contingencyanalysis, security and command and scheduling the deployment of mobility, real-timeGIS-based urban transport emergency systems for monitoring and auxiliarydecision-making.GML data in applications with unparalleled performance advantages in thewireless transmission and traffic emergency. On these feature data in GML-basedresolution to impose treatment on the basis of other operations. GML data storage,conversion, compression, query the index, network transmission, visual expressionand content sharing technology, GML parsing mechanism is closely related to theimplementation technology. VS platform based on open source projects JDom XMLdevelopment package as a GML document the analytical tools, the smooth realizationof the GML data to read and document parsing.City Emergency GML-based thematic data compression is to achieve theintegration of heterogeneous multi-source spatial data resources, efficientmanagement of important technical support. Mobile GIS in the mobile computingenvironment for data compression technology to the new requirements. Designed datacompression model has the characteristics of the semantic structure of temporal andspatial data content fully isomorphic, mobile GIS data sharing integration theory has acertain reference value. Mobile communication technology, mobile computing environment PDAs, smartphones and other mobile device scarce resources, CPU, memory and battery capacityare subject to restrictions. Therefore, the mobile computing environment suitable forurban traffic emergency, on the one hand study of urban transportation emergencyresponse system based on ArcGIS Server architecture deployment, on the other handresearch data compression scheme, in order to read directly in the mobileenvironment.