GML by OGC to AIXM 5 UGM Sam

What is the OGC? • The Open Geospatial Consortium (OGC) – Not-for-profit, international standards development consortium – 335+ industry, government, and university members • Specification Development Program (1994) – Significant interaction with other standards consortia – Class A liaison with ISO/TC 211 • Interoperability Program (1999) – A global, innovative, hands-on engineering and testing program designed to accelerate interface development and bring interoperability to the market • Outreach Program (2002) – Awareness raising, education and training, encourage take up of Open. GIS® specifications, business development Mission To advance the development and market adoption of open standards for geospatial interoperability. • Subsidiaries: OGC Europe, OGC Australia, … OGC Copyright 2007, OGC 2

The Growth of OGC • 337 members worldwide in 35 countries & 5 continents: – Europe – – – North America Australia & Asia Middle East Africa South America 141 (up from 127 last summer) 152 36 5 2 1 • Broad participation with other industry and international standards organizations: ISO TC 211/204, OASIS, CEN 287 • Eighteen publicly available Implementation Specifications – http: //www. opengeospatial. org/specs/? page=specs • Rapidly growing list of vendor implementations – http: //www. opengeospatial. org/resource/products OGC Copyright 2007, OGC 3

OGC Alliance Partnerships • • • • OGC World Wide Web Consortium (W 3 C) Digital Geospatial Information Working Group (DGIWG) International Organization for Standards (ISO) OASIS Object Management Group (OMG) Open Mobile Alliance (OMA) Geospatial Information & Technology Association (GITA) Web 3 D Simulation Interoperability Standards Organization (SISO) International Alliance for Interoperability (IAI) IEEE Technical Committee 9 (Sensor Web) Spatial Data Infrastructure organizations (National, Regional, Global) Others Copyright 2007, OGC 4

Approved OGC Standards • • • Catalogue Service Coordinate Transformation Filter Encoding Geographic Objects Geography Markup Language GML in JPEG 2000 Grid Coverage Service Location Services (Open. LS) Simple Feature Access 1 Simple Feature Access 2 OGC • • • Simple Features CORBA Simple Features OLE/COM Styled Layer Descriptor Symbology Encoding Web Coverage Service Web Feature Service Web Map Context Web Map Service Web Service Common Copyright 2007, OGC 5

OGC Document Hierarchy • Abstract Specification – Records the basic rules – What is a feature? – Forms foundation for all that we do – many shared with ISO TC 211 • Discussion Paper – Early form of Implementation Specification • Best Practices Paper – Mid stage form of Implementation Specification • Implementation / Encoding Specification – Programmer level instructions • Profiles – Proper subset of Implementation or Encoding Specifications OGC Copyright 2007, OGC 6

Geography Markup Language (GML) • 3. 0 Open. GIS® Geography Markup Language (GML) Encoding Specification 02 -023 r 4 is the current standard • 3. 1. 1 Open. GIS® Geography Markup Language (GML) Encoding Specification 03 -105 r 1 is a Best Practice Doc. – It awaits ISO 19136 for concurrent approval • ISO TC 211 processing ISO 19136 – Draft International Standard (DIS) approved November 2005 – Final DIS (FDIS) ballot closed October 2006 – Publishing as IS 19136 2007 expected this spring OGC Copyright 2007, OGC 7

A Perspective on GML Complexity • English • The Great Works • Contractual Documents • Business Letters • Email • SMS Messages • Geography Markup Language • Full topology, 3 D, time • No topology, 2. 5 D • Simple Features • Micro formats We started with the full-up definition and are now creating subsets called profiles and schemas to simplify implementation OGC Copyright 2007, OGC 8

GML Profiles / Schemas by OGC • • • City Geography Markup Language (0. 3. 0) GML 3. 1. 1 common CRSs profile (1. 0. 0) GML 3. 1. 1 common CRSs profile Corrigendum (1. 0. 1) GML 3. 1. 1 CRS support profile (1. 0. 0) GML Application Schema for EO Products (0. 1. 4) GML Application Schema for EO Products (0. 1. 1) GML 3. 1. 1 grid CRSs profile (1. 0. 0) GML 3. 1. 1 grid CRSs Profile Corrigendum (1. 0. 1) GML PIDF-LO Geometry Shape Application Schema for use in the IETF (0. 0. 9) • GML 3. 1. 1 simple dictionary profile (1. 0. 0) • GML 3. 1. 1 simple features profile (1. 0. 0) OGC Copyright 2007, OGC 9

GML Profiles / Schemas by Others • Geo. RSS – Provides GML serialization of Really Simple Syndication – Defines points, lines, areas – Self describing version that is compatible with all systems capable of processing GML • • • AIXM Biology Mining Engineering Location Services Others OGC Copyright 2007, OGC 10

OGC Organization and Programs © OGC, 2006. All Rights Reserved

OGC-based Policy Positions • UK Ordnance Survey using GML format to distribute its Master. Map product • Canada Geospatial Data Infrastructure (CGDI) Implements OGC Web Service Specifications • CIA and DHS have adopted OGC as part of their Geospatial Enterprise Architectures. • Australian SDI recognizes OGC standards, numerous enterprise implementations across the nation • European Union INSPIRE technical architecture built around OGC specifications • Open Location Services (mobile wireless) being built into consumer offerings from major location services vendors OGC Copyright 2007, OGC 13

Still Other OGC Policy Positions • National Geospatial. Intelligence Agency • Federal Enterprise Architecture • Group on Earth Observations (GEO) • United Nations Strategic Plan • NATO C 3 OGC Copyright 2007, OGC 14

Member Technology Focus Areas (by using GML you position AIXM to leverage new technologies)

OGC Member Technology Focus Areas • E-Commerce • Real Time Services Ø Open Location Services Ø Real time transaction services Ø Sensor Web Enablement Ø Geospatial Digital Rights Management Ø Multi-source Integration Ø Symbology and Style Management Ø Service Chaining / Decision Support Ø AEC / Geospatial / 3 D Integration Ø Web-based Modeling and Simulation • Mass Market Geo OGC • Geo-Semantic Web • Compliance Testing / Certification • OGC Network Copyright 2007, OGC 16

Sensor Web Enablement © OGC, 2006. All Rights Reserved

OGC Sensor Web Enablement Industrial Process Monitor – Sensors connected to and discoverable on the Web – Sensors have position & generate observations Automobile - Sensor descriptions available As Sensor Probe - Services to task and access sensors - Local, regional, national scalability - Enabling the Enterprise Airborne Imaging Device Traffic Monitoring Strain Gauge OGC Satellite-borne Imaging Device Temp Sensor Environmental Monitor Stored Sensor Data Webcam Health Monitor Copyright 2007, OGC 19

OGC Sensor Web Enablement • Sensor Web Enablement – Harmonization – OASIS Common Alert Protocol (CAP) – being considered as an encoding or portrayal of sensor alerts in SAS – OASIS EDXL – XML “envelope” for alerts – IEEE P 1451 – provides “plug-n-play” capabilities for sensors; working toward automatic conversion between 1451 and Sensor. ML/ TML/ O&M – CBRNE and N 42. 42 – Working on examples supporting these in Sensor. ML OGC Copyright 2007, OGC 21

Geospatial Digital Rights Management (Geo. DRM) © OGC, 2006. All Rights Reserved

Geospatial Digital Rights Management • OGC members are leveraging broader standards based Digital Rights Management (DRM) approaches in conjunction with OGC standards to validate their ability to support geospatial data and services use cases Pricing Authentication Licensing Copyright OGC Geo. DRM Reference Model: http: //portal. opengeospatial. org/files/? artifact_id=14085 Copyright 2007, OGC 26

Interoperability Between the “As Built” and Geospatial Worlds © OGC, 2006. All Rights Reserved

AEC / CAD / GIS 3 D Integration Open Standards approach to sharing of information and services between CAD and geospatial technologies Critical for Urban Planning, Emergency Response, Homeland Security, Defense and Intelligence, Maintenance, Engineering OGC Copyright 2007, OGC 28

AEC / CAD / GIS 3 D Integration Open Standards approach to sharing of information and services between CAD and geospatial technologies Critical for Urban Planning, Emergency Response, Courtesy Parsons Brinckerhoff Homeland Security, Defense and Intelligence, Maintenance, Engineering OGC Copyright 2007, OGC 29

Some Current Focus Areas • 3 D Information Model Working Group active within the OGC Technical Committee. Identifying opportunities for convergence between disciplines • City. GML – Virtual City Models. Exchange, management and integration of 3 D Urban Models from CAD and geospatial sources. www. citygml. org • Building Information Models (BIM) – OGC partnership with the International Alliance for Interoperability to advance joint standards solutions for BIM. Near-term OGC testbed activity is in work. OGC Copyright 2007, OGC 30

City GML Multi-scale Modeling • LOD 0 – Regional model Source: T. H. Kolbe: Standardization of 3 D City Models – 2. 5 D Digital Terrain Model • LOD 1 – City / Site model – “block model“ w/o roof structures • LOD 2 – City / Site model – textured, differenciated roof structures • LOD 3 – City / Site model – detailed architecture model • LOD 4 – Interior model – “walkable“ architecture models OGC Copyright 2007, OGC 31

The foundation of the Geospatial Web: Standards Based Lightweight Payloads and Micro-formats © OGC,

Mass Market Geo • OGC Vision is being realized in ‘mass market geo’ – Google Maps – Windows Live Local – Mobile phone location based services – Real time ‘sensor connection’ to the world coming soon • Standards for Mass Market Geo need to match the uses – Lightweight application schemas of encodings – Geo. RSS – Open Location Services OGC Copyright 2007, OGC 33

Benefits © OGC, 2006. All Rights Reserved

Benefits of OGC Standards - User Perspective – Introduce requirements into standards process – The OGC consensus process gives user organizations a way to align the technology industry to cooperate on advancing important new standards – Improve choice in the marketplace – Because no single application meets the needs of all users, OGC standards are designed to enable a choice of products that can plug-and-play seamlessly in system or enterprise environments. – Reduced technology life cycle costs – Through the use of standards based COTS products, users have a better chance to reduce the cost of custom solutions and associated maintenance. – Rapid Insertion of New Technology – By working with industry and academia to implement Open. GIS® specifications in their offerings, organizations can maximize their ability to rapidly transfer new solutions into use. OGC Copyright 2007, OGC 37

Return on Investment Multiple studies confirm the value and advantage of open standards based solutions: – NASA Geospatial Interoperability: Return on Investment Study: http: //gio. gsfc. nasa. gov/docs/ROI%20 Study. pdf – Value of Standards, Delphi Report: http: //www. delphigroup. com/research/whitepap ers/20030728 -standards. pdf – Economic Benefits of Standardization, DIN German Institute for Standardization: http: //www. sis. se/upload/63224889815968750 0. pdf OGC Copyright 2007, OGC 39

In Summary • A solid framework of open standards has been advanced by OGC members to improve interoperability – more on the way. • Significant implementation has resulted, benefiting many. • Consistent policy on application of standards in IT procurements is growing, and this trend will aid in strengthening industry agreement on and implementation of standards in technologies relevant to the world community • Continued cooperation with the broader standards community is essential to consistently address location across the IT stack OGC Copyright 2007, OGC 69