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ID:36501918
大小:1.73 MB
页数:71页
时间:2019-05-11
《基于WEBGIS应急救援指挥信息系统研究与实现》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、四川大学硕士学位论文基于WebGIS应急救援指挥信息系统研究与实现姓名:陈德松申请学位级别:硕士专业:计算机应用指导教师:徐林20060401婴坐盔兰竺三兰竺堡苎ResearchandImplementationofEmergencyRescueCommandInformationSystemMajor:ComputerApplicationGraduate:CHENDesongAdvisor:XULINFatalworksafetyaccidentshappenallthe女llTle,whichwillcausehugeeconomicslossandevendi
2、saster.People’Slivesandwealthwithinthefactoriesaswell笛adjacentareawillheatgreatdamage.Furthermore,theecosystemwillhaveirreversibledamagetOO.EmergencyRescueCommandSystemBasedonG1S(GeographicInformationSystem)isanenhancedDecision-makingSupportSystemthatintegratesspacialanalysis,regionalco
3、mputingandmanagementfunctions,etc.ItcallproviderelatedinformationtotheenterprisesaboutworksafetyandemergencySUCCOr,toreducethedamagingextenttothelowestPaperbasedonresearchandtherealizationoftheseriousaccidentsWebGISemergencyrescuecommandinformationsystems.ThearticleexaminedtheWebGIS(net
4、workGIS)tectonicmodeIs,thestructureandcompositionofthemajortechnicalachievementWebGIS:CGI(CommonGatewayInterface),serverapplicationsinterfaces(ServerAPIIplug-ius(Plug-in),JavaAppletandActiveX.Establishedemergencyrescuebusinessmodelandexpoundedleaking,fireandexplosion’Sdamagedregion,disc
5、ussedemergencyI'escUeworkflowrequiredcomprehensivereSclleinformation.Usingobject-ofientedanalysis,designmethodology,usingB/S(browser/server)modelandSmartClient(smart-client)combinationsystemarchitecture,withthespacialandbusinessdatastoredinthesameRDBMS,usingWebGlS、WebServieeandotheradva
6、ncedtechnologytoachieveamulti-tierdistributedsystem.WithB/Sarchitecture,themapandallkindsofrescueinformationwillbepublishedandsharedeasily.TheSmartClientimplementsthefunctionsofemergencydrillingandemergencyrescuewhichhasthecharacteristicofmakinguseoflocalandnetworkreso㈣,supportingoccasi
7、onallyconnectedusers,providingintelligentinstallationandupdate,providingclientdeviceflexibilityetc.Keywords:EmergencyRescueWebGISWebservieeUMLSmartClientⅡ四川大学硕l学位论艾1.引言1.1课题背景英国机械工程师墨菲在1949年提出著名的墨菲定律即“任何事情如果存在出现差错的可能性,那么差错迟早都要发生。”Ill墨菲定律的数学解释是,假设某意外事件在一次活动中发生的概率为P(p>O),则在n次活动中至
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