基于网格的海洋环境信息可视化服务技术研究

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1、中国海洋大学硕士学位论文基于网格的海洋环境信息可视化服务技术研究姓名：黄鑫申请学位级别：硕士专业：计算机应用技术导教师：秦勃20090601TechnologyStudyofOceanEvironmentalInformationVisualizationBasedonGridServiceAbstractTheoceanisanimportanttreasure-houseofenergyandresource.Chinaisamajormaritimecountry.Thesocialandeconomicd

2、evelopmentisdependedontheoceanmoreandmore.Asastrategyofscienceandtechnologydevelopment,the"DigitalOcean"hasbeenputintothe"11thFive-yearPlan"andthestateoceanscienceandtechnologydevelopmentproject,byChinagovernmentforthe21stOceanCentury.The"DigitalOcean"ispropo

3、sedwiththe"DigitalEarth，，.Itisaninformationsystemcomposedoflargeoceandatawithmulti-resolutionsandvarioustypes,andalsomanyanalysisalgorithmsandmodels.Gridtechniquehasgraduallybecomehotresearchinthecomputerfieldinrecentyears.Itspurposeistobuildingdynamicvirtual

4、systemindistributed,heterogeneousandautonomicgridresourceenvironment.Andinitsinternalautonomytoachievecross-domainresource-sharingandresources-cooperationtoeffectivelymeetthecomplexapplication-orientedInternetonlarge-scalecomputingpowerandmassivedata-processi

5、ngrequirements.Gridhasmanyadvantages,soitischaracterizedasthethirdgenerationoftheinternetaftertraditionalinternetandtheweb.Theworkinthispaperisanimportantpartofthe"863"Project—"StudyonGridbasedonoceanenvironmentdatasharingandinformationservice"(No.2006AA09Z13

6、9).Thefollowingarethemainworks.1，RealizeddatasharingoftheoceanenvironmentinformationInthispaper,basedonanalyzingthespecialtiesofoceanenvironmentinformationdata,werealizedadatasharingsystem,whichrealizedaunifieddataaccessontheheterogeneousanddistributedoceanen

7、vironmentdataresources.AndthedatasharingsystemisconstructedwithGT4(GlobusToolkit4)andOGSA-DAI(OpenGridServiceArchitectureDataAccessandIntegration).Ill2,BasedonGridtechnology,realizeddataparallelvisualizationoftheoceanenvironmentinformationInthispaper,gridplat

8、formimplementparallelvisualizationoflarge-scaledatasetsbydevelopsvisualizationservicebasedonGlobusToolkit4.0.Parallelvisualizationmethodswereappliedtothegridplatform,andlarge-scaleofvisua