共查询到20条相似文献,搜索用时 312 毫秒
1.
A GIS-BASED GLACIER INVENTORY FOR THE ANTARCTIC PENINSULA AND THE SOUTH SHETLAND ISLANDS——A FIRST CASE STUDY ON KING GEORGE ISLAND 总被引:1,自引:0,他引:1
1 IntroductionTheWorkingGrouponGeodesyandGeographicInformation (WG_GGI)oftheScientificCommit teeonAntarcticResearch (SCAR )launchedtheprojectKingGeorgeIslandGIS (KGIS) .Inordertoprovideanoperationalsystem ,adatamodel,dataaccuracystandardsandadatainventoryhav… 相似文献
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《地球空间信息科学学报》2002,(4)
Issue 1TheIntegrationofCooperationModelandGeneticAlgorithm1……………………………………………………………ZHENGZhaobaoElectronicChartDisplayandInformationSystem 7………WANXiaoxia GANChaohuaRemovingNon_uniformIlluminationEffectsfromDeep_seaFloorImages 12……………………………………………JINShuying … 相似文献
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《地球空间信息科学学报》2001,(4)
No .1TheTechniqueIntegrationoftheSpatialInformationandCommunicationLIDeren LIQingquan( 1)……………………TheDesignandImplementationofCyberCityGISZHUQing LIDeren GONGJianya XIONGHanjiang( 8)LookDirectionErrorandItsCorrectiononAirborneImagingScannerImage YEZetian HE… 相似文献
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ZHANG Jingxiong Roger P.Kirby 《地球空间信息科学学报》2000,3(2):26-34
1 IntroductionCategoricalmapsrepresentanimportanttypeofdataincorporatedinGISs,whichdepictspatialdis tributionsinformofexhaustive,non_overlappingarealunitsseparatedbyboundarylines.Anassump tionunderlyingconventionalcategoricalmappingistheobject_basedview… 相似文献
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GIS-ILA:THE GIS FOR ITALIAN LOGISTICS IN ANTARCTICA 总被引:2,自引:0,他引:2
Luigi Rossi A.B.Della Rocca R.Cervellati D.Manco R.Chiocchini F.Chiocchini A.Cimbelli 《地球空间信息科学学报》2001,4(2):32-39
1 IntroductionTheGISfortheItalianLogisticsinAntarctica(GIS_ILA)collectsthedatainvolvedwiththeItal ianscientificexpeditionsinAntarctica ,obtainedfromtheyearlyExpeditionReports.Allthematicinformationavailableuptonowhavebeeninsertedintothedatabase ,fromthef… 相似文献
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Jan Cisak 《地球空间信息科学学报》2001,4(2)
1 IntroductionAgeographicinformationsystem (GIS)isusedtocollect,display ,analyseandmanagegeographicallyrelatedinformation .Itisanimportanttooltointe gratespatialdataacquiredatdifferentscales,timesandformats.GISisameansof1 )exchanginginformationbetweencountr… 相似文献
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1 IntroductionTheNationalBureauofSurveyingandMappingofChina ,asthegovernmentaldepartmentinchargeoftheacquisitionandmanagementofgeodeticandcartographicdataonthewholenationalterritory ,aimedatthedevelopmentofGISandproposedso_called“4Dproductsstrategy”beyo… 相似文献
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LIU Chun LIU Dajie 《地球空间信息科学学报》2001,4(1):62-67
1 IntroductionSpatialdataisthebasisoftheGeographicInfor mationSystem (GIS)andnon_spatialdataistheintensionandthedescriptionofgeographiccell.Thequalityofdataaffectsgreatlyontheresultofapplicationanalysisandtherealizationoftheprac ticaltargetinGIS .Thequal… 相似文献
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A GIS FOR THE ANTARCTIC SPECIALLY MANAGED AREA OF ADMIRALTY BAY,KING GEORGE ISLAND,ANTARCTICA 总被引:1,自引:0,他引:1
Jefferson Cardia Sim“非汉字符号”es F.A.Ferron Matthias Braun J.Arigony Neto F.E.Aquino 《地球空间信息科学学报》2001,4(2):8-14
1 IntroductionKingGeorgeIsland’s (KGI)ecosystemshavebeensubjectedtovarioustypesofexploitationandobjectofseveralscientificexpeditions,sinceitwasdiscoveredjustafterthefirstsightingofAntarctilandbyWilliamSmithin1 81 9.KGIwasnamedaf tertheBritishkingofthattime … 相似文献
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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
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《地球空间信息科学学报》2001,(4)
No .1AdjustmentofLevelingNetworkbyInformationSpreadEstimation 1…………………………………………………WANGXinzhouOntheEvaluationofDeflectionsoftheVerticalUsingFFTTechnique 5…………………………………………………HUANGMotao ZHAIGuojun GUANZheng OUYANGYongzhongDeterminationofWeightedMeanTroposp… 相似文献
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DENG MinLI ChengmingLIU Wenbao 《地球空间信息科学学报》2001,4(4):43-48
1 IntroductionSpatialrelationsqueryisoneofbasicfunctionsinGIS’sapplication .MostofcurrentcommercialGISscanonlyqueryspatialrelationsforspatialob jectswithoutanyerrororuncertainty ,forexample ,tousecomputation geometryalgorithmtodeter minewhetherapointfalls… 相似文献
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Development of a hybrid model for three-dimensional GIS 总被引:10,自引:0,他引:10
SHI Wenzhong 《地球空间信息科学学报》2000,3(2):6-12
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
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BAO JingyangCHAO DingboLI Jiancheng 《地球空间信息科学学报》2001,4(4):19-24
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
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LIU WenbaoXIA Zongguo DENG Min 《地球空间信息科学学报》2001,4(4):37-42
1 IntroductionTherepresentationofspatialobjectsisoneofthekeyissuesincurrentresearchonthespatialdatabasetheoryofGIS (BurroughandMcDonnell,1 998) .Spatialobjectsinnatureareclassifiedastwokinds:objectswithdistinctiveboundariesandob jectswithtransitionalorfuzzy… 相似文献
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YEN Gar-onZHAO ShuangmingGONG JianyaZHU Xinyan 《地球空间信息科学学报》2001,4(4):32-36
1 IntroductionInthetraditionalmapandGIS ,accordingtothedifferentgeometricandelementalattributecharac teristicsofspatialobjects,theycanbedescribedaspointsymbol,linearsymbolandsurfacesymbol.Afeatureclassisgivenwithaspecificsymbol.Be causethosesymbolsdonote… 相似文献
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Applications of graph theory to gross error detection for GPS geodetic control networks 总被引:1,自引:0,他引:1
Samwel Simon Katambi 《地球空间信息科学学报》2002,5(4):26-31
1 GraphtheoryanddefinitionsAgraphGconsistsofpoints (NODES)andlines (EDGES)connectingthesepoints .Thepointsarecallednodesandlinesareedges .Adirectedgraphisagraphinwhichtheedgescon nectingthenodesarespecified .Atreeisaconnectedgraphwithoutanyloop .Aloopisaclos… 相似文献