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					ISO/TC211 Standards in Action




       Open GIS Component Based on the
           Simple Feature Geometry

                      Adelaide, Australia, October 24, 2001

                 Haeock Choi, Kwangsoo Kim, and Jonghun Lee
                              GIS Research Team
                    Spatial Information Technology Center
                                 ETRI/CSRL
                              Republic of KOREA
ISO/TC211 Standards in Action                                     Adelaide, October 24, 2001

     ETRI(Electronics & Telecommunication Research Institute)
     •   Established in 1976
     •   A non-profit government-funded research organization
     •   About 2000 researchers
     •   Vision : Being the leader in 3T’s : IT, BT, NT
     •   Missions
         – To create innovative technologies and develop knowledge-driven
           industries
         – To research for standardization and security of technical information
         – To provide technical guidance in the IT field and to cultivate nation’s
           technology leaders
     • Organization
         – 6 Labs., 2 Divisions, 1 Center, 2 Depts., 1 Annex

                                                 Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                                                  Adelaide, October 24, 2001

                    ETRI – 7 Research Organizations
                                         Computer & Software Research Laboratory
          Basic Research Laboratory
                                                                                    Advanced-Electronics Research Laboratory




Information Security Research Division
                                               Focus on Basic Research
                                            Focus on National R&D Projects
                                                                                                 Information Technology
                                             Focus on Technology Transfer                      Management Research Institute


                                                    Radio & Broadcasting Research Laboratory
                                                      IMT-2000 System Department Division
              Network Research Laboratory




                                                                          Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                           Adelaide, October 24, 2001

      Research Topics related to Spatial Information

      • Spatial Information Technology Center in CSRL
           – GIS Research Team
           – RS Research Team
           – 4S Application Research Team
      • Current Research Topics of GIS Research Team
           – Open GIS Component Technology
           – 3D GIS Technology
           – LBS Technology




                                       Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                              Adelaide, October 24, 2001

     Background :Why Component Software?

      • Software crisis in the age of information
           – Lack of Interoperability
           – Lack of Reusability


                                                           Software
      Information           Software Technology             Crisis




                     Component Software is a Solution
                                          Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                     Adelaide, October 24, 2001

                      Open GIS Component



           COMPONENT



         GIS STANDARDS           Open GIS Component

        GIS TECHNOLOGY




                                 Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                      Adelaide, October 24, 2001

                                    OGC
      • The OGC is an open forum for the GIS
        community to contribute to the interoperability in
        geodata and operations(Buehler et al, 1996)
      • Since 1994
      • More than 20 SIGs /WGs
      • 16 Abstract Specifications
           – Central themes
               • Sharing Geospatial Information
               • Providing Geospatial Services
      • 7 Implementation Specifications
      • Legal liaison with ISO/TC211

                                                  Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                Adelaide, October 24, 2001

                       ISO/TC211 and OGC
      • Cooperative agreements
           – ISO 19125 Geographic information – Simple feature
             access is based on the OGC OpenGIS Simple Features
             Specification
               • 19125-1 Part 1: Common architecture
               • 19125-2 Part 2: SQL option
               • 19125-3 Part 3: COM/OLE option
           – ISO 19128 Geographic information – Web Map server
             interface
               • OGC Web Map Server Specification
           – ISO 19132,19133,19134 Location Based Service
               • OGC OpenLS Architecture

                                            Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                Adelaide, October 24, 2001

  Simple Features Specification for OLE COM
      • OLE/COM based proposal
      • 3 Main Themes
           – Data Access Architecture
               • OLE DB based Data Providers and Data Consumers(ADO)
           – Geometry Object Model
               • Geodata modeling
               • Geodata Operations
           – Spatial Reference System Object Model
               • Datum Definition
               • Transformations
               • Projections
      • Component Specifications

                                            Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                                        Adelaide, October 24, 2001

   Open GIS Component Architecture – ETRI Model

                                        Application Component
                                     Business Process of Local Government




                         Kernel(MapBase®)                           Clearinghouse
                            Component                                Component
                      Spatial Modeling, Operations,               Discovery and Access of
                      Query, Analysis, Mapping, and              Spatial Information under
                              Web Services                                Networks
                    OpenGIS
                  Web Map Server               OpenGIS           OpenGIS
                    Interface              Simple Features   Catalog Interface
                   Specification             Specification    Implementation
                                             for OLE/COM       Specification
                     OpenGIS
                  Implementation
                   Specification:
                   Grid Coverage
                                                  Data Provider Component
                      OpenGIS
                     Coordinate            Extended OLE DB Interface for Sharing Spatial
                   Transformation
                       Service                           Information
                  Implementation
                    Specification:


                                                                 Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                     Adelaide, October 24, 2001

                        Data Provider Component

                               MapBase® or Applications
       Simple Feature
    Geometry Model of
  Open GIS Simple Feature
         Specification for
                              Geometry, Attributes, Metadata
              OLE/COM
                                   OLE DB Interface
                             Extend OLE DB Data Provider
                                                                           Data Access Model of
                                                                           Open GIS Simple Feature
                                                                           Specification for
                                                                           OLE/COM
                                      Data Store
                              SDE, MGE, ZEUS, GEOMania,
                             MapInfo, SmallWorld, SQL, Shape


                                                 Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                                        Adelaide, October 24, 2001

                           MapBase® Component
                    Network
                    Analysis
                   Component                Geometry+
                                            Component
                   3D Analysis                                                                    Editor
    OpenGIS        Component                                                                    Component
 Implementation
  Specification:                                                          MapDraw
  Grid Coverage                             Geometry                      Component
                     Grid                   Component                        MapBase
                    Analysis                                              ActiveX Control
    OpenGIS        Component                                                                   Application
 Implementation                                                                                  Service
  Specification:                                                                               Components
   Coordinate                                 Spatial
 Transformation                              Reference                     MbDAO
                                              System                      Component
                                            Component
   OpenGIS          Web Map                                                                        Data
 Web Map Server      Service                                          OpenGIS
   Interface       Component                                       Simple Features               Provider
  Specification                                                      Specification
                                                                    for OLE/COM
                                                                                                Components


                   Spatial Analysis,   Spatial Modeling, SRS,      Spatial Data Access,       Spatial Editing,
                   Web Map Service       Spatial Operations       Mapping, User Interface    Application Service



                                                                Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                    Adelaide, October 24, 2001

                 Spatial Data Interoperability
                                Applications




                                                                    MapBase

                                               .....



                  Data            Data                        Data
                Provider        Provider                    Provider
                                               .....
                  SDE             ZEUS                        Shape

                                                Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                            Adelaide, October 24, 2001

                         Case Study : KSDI
      • KSDI(Korea Spatial Data Infrastructure)
      • Interoperable geospatial data processing system
        used among local governments and related
        organizations
      • Conforms Standards
           – ISO 19115 Geographic information – Metadata
           – ISO 19125 Geographic information – Simple Feature
             Access
           – OGC OpenGIS Catalog Interface Implementation
             Specification
      • Participants
           – ETRI, NCA, Ssangyong, KTData, KTIT, PointI
                                        Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                                                 Adelaide, October 24, 2001

                        KSDI – Network Configuration
           Seoul City         Incheon City                Suwon City
                 GIS Server         GIS Server              GIS Server




                                                                                               Authorized User
     Switching
       Hub

        Firewall


       Router                                                                                  Internet
           CSU                CSU                                      CSU
                                                                                              Private Network


           CSU                CSU                                                                             CSU




                                                                             Gateway Server        Node       GIS Server
                                        Node(Local    Administration                            (Communicat
                 GIS Server             Government)      Server                                     ion)

         Sungnam City               NCA(National Computerization Agency)            KT(Korea Telecom)
                                                               Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                                                   Adelaide, October 24, 2001

                                   KSDI - Data Flow
                                                    HTTP
                   Authorized             3. Request Metadata
                     User                                                             Gateway
                                                    5. Send Search results
                   Data Provider                                                     Catalog client

                                                                                                             Node Catalog
                                                                                                                 DB




                                                                                      Catalog Server
                      Creator                2. Register Metadata                    Node Manager

                                                 Metadata Editor

                                                     HTTP
                GIS                 GIS                                          Metadata             Metadata
                DB                  DB                                             DB                   DB




        Spatial Data Transmission Network                                        Metadata Search Network
                                                                             Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                                                   Adelaide, October 24, 2001

                                         KSDI Architecture
                         Incheon City
                Suwon City                Seoul
                                  Sungnam City City                                            KT
                Parcel       Parcel   Parcel    Parcel    Road     Drainage     Water         BaseMapDB CommunicationDB

 Spatial DB
Administrator

                                                                                                    GIS DB        Metadata DB
                  GIS 서버 GIS 서버 GIS 서버 GIS DB




                          NCA
                                                           Gateway                            Local Government Node
                                                                                Node User
                                                     Home page                     DB
                                                                                                    Metadata DB
                                                       www
                      Gateway
                    Administrator                                                                                        Node
                  Operations                                                  Internet                                Administrator
                         Authorized
          Private                              GDB-specific data
                           User
          Network                                                         Renderer            Web Browser
                                                   Data Provider                                                          Request
                                                     Component             Map Base            Windows                    Reply
                                                                          Component
                                                OGC standard inteace
                                                                               Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                                                                                                                           Adelaide, October 24, 2001

   KSDI – GIIS(Geospatial Information Interoperability System)

                                                               GIIS                                                   Software Download                       Gateway
                                                                  CatalogClient.dll                                    User Registration        Web          NodeInfoSender.html
  Authorized
                                                                                                                                               Server
    User                             MapBase® Component                                                              User Authorization,                        CatalogClient.dll
                                                                                                                   Node Catalog Requirement
                  Data Provider                                       Data Provider                                                                     Node Catalog
                                                                                                                         Node Catalog                       DB
                                                              Windows
                                                                                                                                                                 Gateway
                       Data Transmission

                                           Data Requirement




                                                                                                                                                               Administrator
                                                                            Data Transmission

                                                                                                Data Requirement

                                                                                                                                                                           Data Requirement
                                                                                                                                                                           Data Reply


                                                                                                                                                              Node
               Spatial DB Server                                                                                                                              CatalogServer.asp
                                                                                                                                               Web
                                                                      Spatial DB Server                                                       Server          CatalogServer.dll
                   GIS DB

                                                                         GIS DB                                                                              Metadata
                                                                                                                                                               DB
                      Spatial DB                                                                                                                            Node
                     Administrator                                                                                                                       Administrator
                                                                                                                                  Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                          Adelaide, October 24, 2001

                            Demonstrations
      • KSDI – Web based Map Service




      • KSDI – GIIS : Windows Application Service




                                      Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                            Adelaide, October 24, 2001

                                Conclusion
      • Open Architecture ensuring the Interoperability
        and Reusability
      • Conforming the Standards
      • Component Software
      • Future works
           – Extending Simple Feature geometry to Complex
             Feature geometry with additional information
           – Integration of LBS technology into Mobile Service
           – Open SIM(Spatial Information Management) enabling
             L-Commerce, Spatial ERP, gCRM etc.

                                        Electronics & Telecommunications Research Institute
ISO/TC211 Standards in Action                    Adelaide, October 24, 2001

                  ETRI in Daeduk Valley

        Thank you for your attention!




                                   www.etri.re.kr
                                Electronics & Telecommunications Research Institute

				
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