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1、学校代码：10128学号：6本科毕业设计外文文献翻译（题目：TheDesignandImplementationof3DElectronicMapofCampusBasedonWEBGIS学生姓名：张天佑学院：信息工程学院系别：计算机系专业：计算机科学与技术班级：计算机09-2指导教师：庄旭菲讲师贾然工程师二〇一三年六月TheDesignandImplementationof3DElectronicMapofCampusBasedonWEBGISI.INTRODUCTIONNowadays,digitalizationandinfor
2、matizationarethethemeofourtimes.Withthedevelopmentofinformationrevolutionandcomputerscience,computertechnologyhaspenetratedintoallfieldsofscienceandcausedmanyrevolutionarychangesinthesesubjects,theancientcartographyalsocan'tescape.Withthetechnicalandculturalconstantlypr
3、ogress,theformandthecontentofthemapchangeandupdateaswell.Asthecomputergraphics,geographicinformationsystems(GIS)constantlyappliedtotheWeb,theconventionalwayoffabricationanddemonstrationhassufferedgreatchange,andtheapplicationoftheMaphasextendeddramaticallyowingtothedeve
4、lopmentofadvancedinformationtechnology.Underthesecircumstances,cartographywillbefacedwithpromisingprospect.Ithasbranchedoutintomanynewproducts.Oneoftheproductscomeintobeingisthee-map[1].Withtherapiddevelopmentofthecomputertechnology,computergraphicstheory,remotesensingt
5、echnology,photogrammetrictechnologyandotherrelatedtechnology.Usersrequirehandlingandanalysisofthree-dimensionvisualization,dynamicinteractivityandshowtheirvariousgeo-relateddata,somuchattentionshouldbepaidtotheresearchofthreedimensionalmaps.ThisarticlebasedontheNortheas
6、tPetroleumUniversityanditssurroundingsdesignsandcreatesthethree-dimensionalelectronicmap.II.FUNCTIONDESIGNThree-dimensionalelectronicmapsystemofcampusbasedonWEBGIShasgeneralcharacteristicsofthecommonmaps.Throughpressingthearrowkeys(Up,Down,Left,AndRight)onthekeyboard,on
7、ecanmakethemapmovetowardsthecorrespondingdirectionoftranslation.Throughdraggingmouse,onecanseewhereverhelikes.Usingthemousewheel,youcancontrolamap'smagnitude,accordingtotheuser'sneedstoviewdifferentlevelsofmap.Thelowerleftofthemapwherewilldisplaythecurrentcoordinateofth
8、emouseonthemap.Inadivlayer,wedepictahotspotofnewbuildings,thislayercanbedisplayedaccordingtothedifferentmaplay
