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1.
1 IntroductionTheWorkingGrouponGeodesyandGeographicInformation (WG_GGI)oftheScientificCommit teeonAntarcticResearch (SCAR )launchedtheprojectKingGeorgeIslandGIS (KGIS) .Inordertoprovideanoperationalsystem ,adatamodel,dataaccuracystandardsandadatainventoryhav…  相似文献   

2.
Issue 1TheIntegrationofCooperationModelandGeneticAlgorithm1……………………………………………………………ZHENGZhaobaoElectronicChartDisplayandInformationSystem 7………WANXiaoxia GANChaohuaRemovingNon_uniformIlluminationEffectsfromDeep_seaFloorImages 12……………………………………………JINShuying …  相似文献   

3.
No .1TheTechniqueIntegrationoftheSpatialInformationandCommunicationLIDeren LIQingquan( 1)……………………TheDesignandImplementationofCyberCityGISZHUQing LIDeren GONGJianya XIONGHanjiang( 8)LookDirectionErrorandItsCorrectiononAirborneImagingScannerImage YEZetian HE…  相似文献   

4.
1 IntroductionCategoricalmapsrepresentanimportanttypeofdataincorporatedinGISs,whichdepictspatialdis tributionsinformofexhaustive,non_overlappingarealunitsseparatedbyboundarylines.Anassump tionunderlyingconventionalcategoricalmappingistheobject_basedview…  相似文献   

5.
GIS-ILA:THE GIS FOR ITALIAN LOGISTICS IN ANTARCTICA   总被引:2,自引:0,他引:2  
1 IntroductionTheGISfortheItalianLogisticsinAntarctica(GIS_ILA)collectsthedatainvolvedwiththeItal ianscientificexpeditionsinAntarctica ,obtainedfromtheyearlyExpeditionReports.Allthematicinformationavailableuptonowhavebeeninsertedintothedatabase ,fromthef…  相似文献   

6.
1 IntroductionAgeographicinformationsystem (GIS)isusedtocollect,display ,analyseandmanagegeographicallyrelatedinformation .Itisanimportanttooltointe gratespatialdataacquiredatdifferentscales,timesandformats.GISisameansof1 )exchanginginformationbetweencountr…  相似文献   

7.
面向GIS的测量绘图软件设计   总被引:8,自引:2,他引:6  
讨论了生产面向GIS数字地图所需要解决的问题,提出面向对象的方法开发面向GIS的测量绘图软件,给出用ObjectARX环境,ODBC技术进行软件开发的技术要点及空间数据结构模型,实践证明,该方法是可行的。  相似文献   

8.
1 IntroductionTheNationalBureauofSurveyingandMappingofChina ,asthegovernmentaldepartmentinchargeoftheacquisitionandmanagementofgeodeticandcartographicdataonthewholenationalterritory ,aimedatthedevelopmentofGISandproposedso_called“4Dproductsstrategy”beyo…  相似文献   

9.
1 IntroductionSpatialdataisthebasisoftheGeographicInfor mationSystem (GIS)andnon_spatialdataistheintensionandthedescriptionofgeographiccell.Thequalityofdataaffectsgreatlyontheresultofapplicationanalysisandtherealizationoftheprac ticaltargetinGIS .Thequal…  相似文献   

10.
1 IntroductionKingGeorgeIsland’s (KGI)ecosystemshavebeensubjectedtovarioustypesofexploitationandobjectofseveralscientificexpeditions,sinceitwasdiscoveredjustafterthefirstsightingofAntarctilandbyWilliamSmithin1 81 9.KGIwasnamedaf tertheBritishkingofthattime …  相似文献   

11.
利用高级语言+OCX数字制图控件开发中小型GIS软件   总被引:3,自引:0,他引:3  
本语文交接停顿同用于数字地图应用软件开发的嵌入式OCX控件MapObjects与微软公司(MicroSoft)的高级语言Visual Rasic相结合,来开发满足各种不同用户需求的中小型GIS软件,作者在南京市分层分户图形编辑与管理系统的开发中应用此方法,并获得成功。  相似文献   

12.
No .1AdjustmentofLevelingNetworkbyInformationSpreadEstimation 1…………………………………………………WANGXinzhouOntheEvaluationofDeflectionsoftheVerticalUsingFFTTechnique 5…………………………………………………HUANGMotao ZHAIGuojun GUANZheng OUYANGYongzhongDeterminationofWeightedMeanTroposp…  相似文献   

13.
1 IntroductionSpatialrelationsqueryisoneofbasicfunctionsinGIS’sapplication .MostofcurrentcommercialGISscanonlyqueryspatialrelationsforspatialob jectswithoutanyerrororuncertainty ,forexample ,tousecomputation geometryalgorithmtodeter minewhetherapointfalls…  相似文献   

14.
NO 1TheActualityofPhotogrammetryandItsDevelopmentininNewCenturyLEIFang gui (3 )……………………CommunicatingbetweenPalm sizePCandGPSOEMBoardunderWindowsCEGAOZhen song ,GUOJing junetal (6 )…………………………………………………………………ResearchonApplicationofSurfaceSplineFunctioninDTMLICha…  相似文献   

15.
Development of a hybrid model for three-dimensional GIS   总被引:10,自引:0,他引:10  
1 IntroductionThree_dimensional (3_D)GeographicalInforma tionSystems (GISs)areveryimportantfortheap plicationfieldssuchasurbanplanningandmanage ment ,geologicalsubsurfacemodeling ,miningandoilexploration .Ina 3_DGIS ,anobjectcanbede scribedinhorizontal (x ,y)andv…  相似文献   

16.
ICAInternationalCartographicAsociation国际地图制图学协会FIGInternationalFederationofGémétres国际测量工作者联合会EPSGEuropeanPetroleumSurveyGroup...  相似文献   

17.
1 IntroductionSince 1 96 0’s ,especiallyduringthelasttwodecades,manytidalistshavestudiedonthetidalwavesystemsoftheSouthChinaSea .YeAnle ,etal.(1 983 ) ,ShenYujiang ,etal.(1 985 ) ,FangGuohong,etal.(1 994) ,andCaoDeming ,etal.(1 997)simulatedthetidalfieldinthisareabasedonthenumeri…  相似文献   

18.
1 IntroductionTherepresentationofspatialobjectsisoneofthekeyissuesincurrentresearchonthespatialdatabasetheoryofGIS (BurroughandMcDonnell,1 998) .Spatialobjectsinnatureareclassifiedastwokinds:objectswithdistinctiveboundariesandob jectswithtransitionalorfuzzy…  相似文献   

19.
1 IntroductionInthetraditionalmapandGIS ,accordingtothedifferentgeometricandelementalattributecharac teristicsofspatialobjects,theycanbedescribedaspointsymbol,linearsymbolandsurfacesymbol.Afeatureclassisgivenwithaspecificsymbol.Be causethosesymbolsdonote…  相似文献   

20.
1 GraphtheoryanddefinitionsAgraphGconsistsofpoints (NODES)andlines (EDGES)connectingthesepoints .Thepointsarecallednodesandlinesareedges .Adirectedgraphisagraphinwhichtheedgescon nectingthenodesarespecified .Atreeisaconnectedgraphwithoutanyloop .Aloopisaclos…  相似文献   

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