共查询到20条相似文献,搜索用时 31 毫秒
1.
YU Nenghai WANG Xiaogang LIU Zhengkai ZHANG Rong 《地球空间信息科学学报》2001,4(3):21-28
1 TheconceptoftheintegrationofRSwithGISTheintegrationofremotesensing (RS)withgeo graphicalinformationsystem (GIS)isahotspotingeographicalinformationscience .TheconceptoftheintegrationofRSwithGIS ,intheviewofProf.LiDeren ,isthatRSisthewaytoobtaintheinforma ti… 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-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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XIAO Lebin ZHONG Ershun LIU Jiyuan SONG Guanfuassociate researcher Institute of Geographic Sciences Natural Resources Chinese Academy of Sciences Datun Road Anwai Beijing China. 《地球空间信息科学学报》2002,5(3):19-25
1 TwotypicalGISdatamodels1 .1 TopologicalrelationdatamodelCommercialGISsoftwareintheearlyagemostlyusestheda tamodelbasedon“node—arc—polygon”topologicalrelation,whichiscalledtopologicalrelationdatamodel.Onthebasisoftopologicaldatamodel,somesoftwarestoress… 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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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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t-GIS and environmental dynamic models 总被引:2,自引:0,他引:2
WU HongWU Hong Ph.D. Associate Researcher Department of Resource Environment Guilin Institute of Technology Jiangan Road Guilin China 《地球空间信息科学学报》2000,3(3):34-41
1 IntroductionTodayitseemsthatpeople’sinterestandatten tiontoGISmainlyfocusontheaspectofspatialat tributesofgeographicinformation ,notsufficientlyontimefactor .Thisisanerroneoustendency ,anditwillbedisadvantageoustothebalanceddevelop mentofGISwhenexplaini… 相似文献
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JAVA—GIS软件开发的新工具 总被引:1,自引:0,他引:1
Internet的迅速发展和WWW的面世给传统的GIS软件开发提出了新的挑战,本文通过对Java特点的阐述,论述了Java成为GIS软件开发的新工具的可能性和必然性,笔者认为在不久的将来,Javas必将取代Visual Basic和VisualC++成为GIS软件开发的新工具。 相似文献
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《地球空间信息科学学报》2001,4(1)
Suite 51 0JardineHouse ,1ConnaughtPlace ,Central,HongKongTel:( 852 ) 2 52 63 679Fax :( 852 ) 2 8684 61 2http:/ /www .hkis .org .hkTheHongKongInstituteofSurveyorsGeneralCouncil2 0 0 0 / 2 0 0 1OfficeBearersPresidentMrStephenLIULingHongSr.Vice_PresidentMrCHANHakJr.Vice_PresidentMrKennethCHAN… 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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LUO De‘an 《地球空间信息科学学报》2001,4(3):15-20
1 IntroductionCadastralmapsandcadastralattributesarethecorecontentsofcadastralinformationmanage ment .SomeofthedevelopedcadastralmanagementsystemsemployGISsoftware (i.e .Mapinfo ,Ar cvieworMaptitudeetc .)tomanagecadastralmapsanduserelationaldatabase (e .g .SQL… 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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HU Yuju HU Peng WU Yanlan YANG Chuanyong LI Guojian 《地球空间信息科学学报》2001,4(3):35-41
1 Map projectionandtheinversetransformationofmapprojectionNowadays,nearlyallGISstakecertainmappro jectionastheirownspatialmathematicalbasis.Thatis,theplanemeasurespaceisexpressedbythefollowingformula :X =f1 (Φ ,λ)Y =f2 (Φ ,λ) (1 )WhereΦ ,λarethelatitudeandlongitude… 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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Glenn Johnstone 《地球空间信息科学学报》2001,4(2)
1 WhatisAGDI?AtXXIVSCARmeetinginCambridge,inAugust1 996,theWorkingGrouponGeodesyandGeo graphicInformation (WG_GGI)agreedtoanewgeographicdataproject,termed‘geographicdataintegration’ .Theinitialtaskwasto“developaSCAR proposalforthecollection ,integrationandpub… 相似文献
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Matthias Braun Jefferson Cardia Sim“非汉字符号”es N.Blindow Steffen Vogt U.F.Bremer M.Pfender H.Saurer F.E.Aquino F.A.Ferron 《地球空间信息科学学报》2001,4(2):47-51
1 IntroductionAtpresent,KingGeorgeIsland (KGI)isoneofthemostfrequentedsitesinAntarctica .Intotal,9permanentresearchstationsareinoperationandseveralresearchcabinshavebeenconstructed .DuetotheeasyaccessviatheChileanairstripthenum beroftheisland’sinhabitantsr… 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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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
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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