基于MOBILESVG_JAVA的移动GIS研究

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1、西南交通大学硕士学位论文基于MobileSVG/JAVA的移动GIS研究姓名：张瑞江申请学位级别：硕士专业：计算机应用技术指导教师：齐华20060301西南交通大学硕士研究生学位论文第1I页AbstraCtInrecentyears，thedevelopmentofthecomputer，themobilecoTrl叫nicationandthenetworktechnologybroughttherecentdevelopmentturningpointfortraditionalG工S．TraditionalG工Shasdevelopedfromsin91eplaneGIS

2、systemoftabletopPCtoWebGISbasedonclientandserVer，andnowG工SissteppingtowardsMobileGIS．MobileGISc01lectsmethodsofgeographyinformationscience，thecomputerscience，themobileco咖unicationtechnologyandthenetworktechnology，anditisoneofmaindirectionsofGIS．DesigningmobileGISsystemtosatisfythedemandsofth

3、emobileclientshasbecomeanewresearchtopic．InordertosolvetheproblemofmObileG工Sbasedonpelsbit皿ap’sexpressingmap，thestandardofMobileSVGisappliedtothemapexpression．Inthispaper，J2ME，J2EEandtheXⅥLtechn0109iesareusedtorealizeanewfraIⅡeworkofMobileGIS．Theprincipalcontentandachievementinthisarticleisa

4、sfollows：●HowtoutilizeobjectelementinthestandardofMobileSVGtoexpressInapisstudiedtosatisfytheneedsoftheclientsideofMobileGIS．●Inordertoenhancethefusionofdifferentspacedata，andsatisfythesystem’stransplant，geographyspacedataexpressionbasedontheXMLanditstransmissiontechn0109yarestudied．●Thematu

5、reJAVAtechnology，)(MLtechn0109yareusedtodesignadevelopingframeofMobileG工S．●Thesystem’stotalfra1Ileisdesigned，whichhasthesuperiorityoftheJ2EEinserverside．●Attheclientside，thesystemfraIlleofclientsideisdesignedtosupporttheJAvAhandsetterminal．●AccordingtotheserVerterminalsystemframe，thecorrespo

6、ndinglogicalfunctioncomponentsaredesignedtosatisfythespatialanalysisrequestattheclientside．●AccordingtotheclientsystemfralIle。thecorrespOndinglogical西南交通大学硕士研究生学位论文第1II页functioncoInponentsaredesignedattheclientside．ComDaredtothetraditionalmobileGIS，theexperimentalresulthasindicatedthattheMob

7、ilesystemwhichisdesignedbyJava／MobileSVGhasthesuDerioritiesasfollows：●Comparedtothemapofpels，thespatialmapexpressedbyMobileSVGhassIIlallerdata．●ThemapexpressedbyMobileSVGdoesnothaVedistortionphenomenonduringthezoomoperation．●thespatialdataexpressio