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1、学校代码：10128学号：200920201076本科毕业设计外文文献翻译（题目：TheDesignandImplementationof3DElectronicMapofCampusBasedonWEBGIS学生姓名：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：二〇一三年六月TheDesignandImplementationof3DElectronicMapofCampusBasedonWEBGISI.INTRODUCTIONNowadays,digitalizationandinfo
2、rmatizationarethethemeofourtimes.Withthedevelopmentofinformationrevolutionandcomputerscience,computertechnologyhaspenetratedintoallfieldsofscienceandcausedmanyrevolutionarychangesinthesesubjects,theancientcartographyalsocan'tescape.Withthetechnicalandculturalconstant
3、lyprogress,theformandthecontentofthemapchangeandupdateaswell.Asthecomputergraphics,geographicinformationsystems(GIS)constantlyappliedtotheWeb,theconventionalwayoffabricationanddemonstrationhassufferedgreatchange,andtheapplicationoftheMaphasextendeddramaticallyowingto
4、thedevelopmentofadvancedinformationtechnology.Underthesecircumstances,cartographywillbefacedwithpromisingprospect.Ithasbranchedoutintomanynewproducts.Oneoftheproductscomeintobeingisthee-map[1].Withtherapiddevelopmentofthecomputertechnology,computergraphicstheory,remo
5、tesensingtechnology,photogrammetrictechnologyandotherrelatedtechnology.Usersrequirehandlingandanalysisofthree-dimensionvisualization,dynamicinteractivityandshowtheirvariousgeo-relateddata,somuchattentionshouldbepaidtotheresearchofthreedimensionalmaps.Thisarticlebased
6、ontheNortheastPetroleumUniversityanditssurroundingsdesignsandcreatesthethree-dimensionalelectronicmap.II.FUNCTIONDESIGNThree-dimensionalelectronicmapsystemofcampusbasedonWEBGIShasgeneralcharacteristicsofthecommonmaps.Throughpressingthearrowkeys(Up,Down,Left,AndRight)
7、onthekeyboard,onecanmakethemapmovetowardsthecorrespondingdirectionoftranslation.Throughdraggingmouse,onecanseewhereverhelikes.Usingthemousewheel,youcancontrolamap'smagnitude,accordingtotheuser'sneedstoviewdifferentlevelsofmap.Thelowerleftofthemapwherewilldisplaythecu
8、rrentcoordinateofthemouseonthemap.Inadivlayer,wedepictahotspotofnewbuildings,thislayer15canbedisplayedaccordingtothedifferentmaplay
