30696.基于silverlight的3d數(shù)字地球模型構(gòu)建關(guān)鍵技術(shù)及應(yīng)用研究

1、分類號：密級：學(xué)號：單位代碼：10407碩士學(xué)位論文論文題目:基于基于Silverlight的3D數(shù)字地球模型構(gòu)建數(shù)字地球模型構(gòu)建關(guān)鍵技術(shù)及應(yīng)用研究關(guān)鍵技術(shù)及應(yīng)用研究研究方向GIS開發(fā)應(yīng)用開發(fā)應(yīng)用專業(yè)名稱地圖學(xué)與地理信息系統(tǒng)地圖學(xué)與地理信息系統(tǒng)研究生姓名劉阿亭劉阿亭研究生學(xué)號2008059導(dǎo)師姓名、職稱蘭小機蘭小機教授教授2011年4月1212日江西贛州江西贛州IIAbstractWiththepopularityofWindows7t

2、hebloomingoftheiPhonewecansensethatpeoplehaveacertaindegreeofaestheticfatigueonthetraditionalfmsprogramhavehigherdemonthepresentside.SincethereleaseofSilverlightFlextheboomofwritingbeautifulrichclientWebhasbeeningpresent

3、edontheInter.WiththepopularityofGISmemehumanproductionactivitiesrelyonmapservicesinthefmofstaticpages.ButGISWebMapServiceclientdisplayhasnotmadebigprogressuptonowthetraditional2Dmapservicecanhardlycatchpeoplesattentionco

4、mbinedwiththattheoperationresolutionofstaticpagemodealldependontheservertheclientmachinecannotparticipateinoperationalrolewhileSilverlightbased3Ddigitalearthnotonlygreatlyenhancedthedisplayeffectontheclientmachinebutalso

5、improvedgraphicoperationabilitytoalargedegree.ToGISmassdatawhichrequirecomplexspatialoperationabilitycomparedtothefmofstaticpagestheadvantageofrichclientissignificant.Inviewofthiswestudythekeytechnologyoftheconstructiono

6、fSilverlightbased3Ddigitalearthincluding2Dcodinatetransfmationgraphicoperationstheoperationofimagedatatheconstructionof3Dsphericalsurface2Ddataprojectionto3Dsurface.Thispaperhasrealizedthebottombuildingof3Ddigitalearthas

7、wellasthedisplayofit.Thispaper’smainresearchwkinclude:1）Thecurrent3Ddigitalearthresearchmainlyisfocusedontheclientsideonthewebsidethereisonly2Dmapservicetheexistingliteraturearerarelyinvolvedincreating3Ddigitalearthfther

8、ichclients3Ddigitalearthresearchisstillstayatatheyphase.Thisarticleisbasedonthebottominvolvingseveralsuspectofthegraphic.ThisarticleincludestheimplementofdisplayingGISdataonthe3Dsphere.2)Thisarticleisgoingtotalkaboutthea

9、nalysisoftheacteristicsofimagedatadesigningaflowwhichincludsthepyramodelftheimagedatasetextractmergesplitpackersstagesomeotheroperationsfmanagingimagedata.3）Indertobuildthe3Denvironmentitwouldbenecessarytomakesomeresearc

10、honthe3Dcodinatetransfmationthekeyelementsthataffectthespheredisplayingtheerrcrectionofthesphererotationtransfmbythelastfquaternion.4）Aftertheconstructionof3Dspherethisarticlediscussedhowtopjectthe2Ddataontothe3Dearthsur

11、facethisprocedurecompletetheinversecomputefromlatitudelongitudetosphere.Furthermethisarticlediscussedthemethodofcontrollingthepointdensitycodinatesofmultitexturesingletexture.5）Finallydevelopedasystemfromthebottomthatsho