基于WEBGIS的城市最短路径诱导系统的研究与实现

《基于WEBGIS的城市最短路径诱导系统的研究与实现》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、陕西科技大学硕士学位论文基于WebGIS的城市最短路径诱导系统的研究与实现姓名：李思辉申请学位级别：硕士专业：计算机应用技术指导教师：陈桦20080501RESEARCHANDREALIZATIONONCITYSHORTESTPATHGUIDANCESYSTEMBASEDONWEBGISABSTRACTInrecentyears，alongwithglobaleconomicswiftdevelopment，thedemandstotransportationisincreasinggreatly．Thiscauses

2、muchtransportationproblems，suchastrafficcongestion，accidentpresentrepeatedly，energywaste，environmentalpollutionandSOon．TheusingofITS(IntelligentTransportationSystem)caneffectivelysolvethetransportationquestionwhichbecomesmoreandmoreserious．Itsestablishmentandusi

3、ngreceivesmoreandmorepeople’Swidespreadcares．PathGuidanceisintelligenttransportationsystem’Score，oneofitsmostimportantfunctionsisprovideseffectiveandlowestcostondrivingroutethatfromcurrentlocatestothedestination．Itcanassistthepeoplestomakethebestwaychoice，contro

4、lsthebesttrafficflow,sothatalleviatesthetrafficcongestion，guaranteetrafficsafety,raisethetransportnetworkutilizationratioeffectively，savestheenergyandreducestheenvironmentalpollutioneffectively．Itsresearchhasbecomeahotspotonthesolutionofcurrenttransportationques

5、tion．Thisarticlefirstintroducedshortestpathguidancesystem’SestablishmentplatformWebGISaboutconcept，realizestechnology,applicationdomainandthetrendofdevelopment；Thenanalyzedthecorealgorithmofshortestpathguidanceaccordingtothecity’Scharacteristicoftransportation，s

6、uchasDijkstraalgorithm，FloydIIalgorithmandheuristicA唪algorithm，moreoverproposedthecorrespondingimprovement；SimultaneouslyIntroducedthedynamicshortestpath’Sconcept，andproposedonekindofsearchingbasedonthedynamicshortestpath；Atlastanalyzedandrealizesonekindofshorte

7、stpathguidancesystembasedonWebGISthroughusingSuperMapIS．NETasdevelopmentplatformandusingASP．NETasdevelopmentkitafterfullyintroducedandgraspedtheelectronicmapmanufactureandSuperMapusing；Thissystemprovideselectronicmap’Sfunctionandshortestpathinquirybasedonthewebs

8、iteform．Throughusingandpracticeindicatedthatthesystemisstable，thedesignconceptandmethodarefeasible，whichhascertainusabilityandguidancetothetransportation．KEYWORDS：Web