基于SVG的WEBGIS架构模型的设计与实现

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1、西南交通大学硕士学位论文基于SVG的WebGIS架构模型的设计与实现姓名：王安雨申请学位级别：硕士专业：计算机软件与理论指导教师：楼新远20070401西南交通大学硕士研究生学位论文第1I页AbstractWebGISisthefuturedevelopingdirectionofthegeographicalinformationsystem．Itisplayinganimportantroleinthemoreandmorefieldwiththedevelopmentofcomputertechnologyandnetwork．Andthetechnolo

2、gyofallkindscanbeusedinGISfield．ThispaperusesSVGtechnology，applySVGtechnologytothefieldofWebGIS．SVGisaformofakindofvectorfigure，it’sadvantagenotonlyismerelydisplayingpicture，andbutalsoithasofferedinterfacetousers．whichhasenableduserstoutilizeSVGtechnologymakeallkindsofoperationsonthe

3、figure．Thispapermainresearchcontentofthefollowingaspects：firstlyintroducesthepresentGISstateanddevelopmentprospectofWebGIS．ThenitintroducestheprincipleofSVGtechnologyanditsvariousoperationinterfaceprovidedforuserindetailed．ThispaperhasdesignedakindofdesignsystemmodelbasedonWeb6ISando

4、fSVGtechnology，thismodelimplementsthetechnologybyusingGISprincipleandthefunctionofGISdataaccessandmanage．Themodeldoesnotusetheseconddevelopment，butresearchesitcompletelyfromthebottomofGIS，anditdisplayscompletelymodeIsofGISsystenuIndetailedargumentationfunctionofthismodeI，dividesthemo

5、duleforthemodel，analyzetherelationsandfunctionsbetweeneachmodule：thispaperhaveimplementsthedesignbasedonWebGISsystemofthismodelaslast．ByusingtheWebGISsystemmodelandsystemstructurebasedonSVGtechnology，thispaperhasdesignedandimplementedoneWebGISbasicplatformandoneWebGISinstance．Thissys

6、temadoptsC#developmentinstrument，hasutilizedASP．nettechnology，andhasusedWebservice．Thisprojecthasusedthepopularapplication西南交通大学硕士研究生学位论文第1lI页developmentinstrument，whichpresenttheadvanceoftechnologyanddesign．AndthisprojecthasadoptedcompletelytheXMLdataformatwhiletransferringdatainmod

7、els．Standardformathavingensureduniquenessandunitarilyindatatransfer，andXMLarealsoawebdatastandard．AtlastthispaperdevelopsaWebGISsystem,implementsthefunctiondisplayGISfigurebyusingSVGformat，andprovidesthebasicoperationonGISfigure．Itprovesthevalidityandrationalityofthissystem．Keyword：W

8、ebGIS：ModeI：