The ISO Registry ofThe ISO Registry ofGeodetic Codes & ParametersGeodetic Codes & Parameters

ISO/TC 211 … building the foundation of the ISO/TC 211 … building the foundation of the geospatial infrastructure, brick by brick ...geospatial infrastructure, brick by brick ...

REFAG2014, Luxembourg, October 13-17, 2014REFAG2014, Luxembourg, October 13-17, 2014

Michael CraymerMichael CraymerCanadian Geodetic SurveyCanadian Geodetic Survey

Larry HothemLarry HothemUS Geological SurveyUS Geological Survey

ISO/TC 211ISO/TC 211Geographic Information/GeomaticsGeographic Information/Geomatics

• ISOISO Standards for geographic information & Standards for geographic information & geomatics; e.g.geomatics; e.g.– Spatial referencing by coordinates (IS 19111)Spatial referencing by coordinates (IS 19111)– Procedures for item registration (IS 19135)Procedures for item registration (IS 19135)– Geodetic codes & parameters (TS 19127)Geodetic codes & parameters (TS 19127)

• Responsible for the ISO Geodetic Registry Responsible for the ISO Geodetic Registry NetworkNetwork– Register: A database of geodetic reference systemsRegister: A database of geodetic reference systems– Registry: An information system providing a registerRegistry: An information system providing a register

Why an ISO Geodetic RegistryWhy an ISO Geodetic Registry

• EPSG – a widely used registryEPSG – a widely used registry• Not sure if entirely compliant with IS 19135Not sure if entirely compliant with IS 19135• Content not always validated by authoritative sourcesContent not always validated by authoritative sources

• DGIWG Registry (Defence Geospatial DGIWG Registry (Defence Geospatial Information Working Group)Information Working Group)

• ISO-compliant but not publically available (military)ISO-compliant but not publically available (military)• Plan to transition to the ISO Geodetic Registry Plan to transition to the ISO Geodetic Registry

• German SDI RegistryGerman SDI Registry• ISO-compliant but not international in scopeISO-compliant but not international in scope

• Need an ISO registry of international scope and Need an ISO registry of international scope and validated by authoritative sourcesvalidated by authoritative sources

ISO Geodetic Registry NetworkISO Geodetic Registry Network

• Three components:Three components:– Register of ISO-approved Register of ISO-approved

geodetic geodetic registries/registersregistries/registers– ISO geodetic registryISO geodetic registry– ISO-approved external registersISO-approved external registers

• Control Body (CB)Control Body (CB)– Approves content of ISO register Approves content of ISO register

& ISO-compliant parts of external & ISO-compliant parts of external registersregisters

Control Body MembershipControl Body Membership

Permanent MembersPermanent Members External LiaisonsExternal LiaisonsAustralia (pending)Australia (pending) IAG (Chair & Vice-Chair)IAG (Chair & Vice-Chair)

CanadaCanada DGIWGDGIWG

ChinaChina FIGFIG

FranceFrance IHOIHO

FinlandFinland

GermanyGermany

ItalyItaly

JapanJapan

Republic of Korea (pending)Republic of Korea (pending) Current Chair: Michael CraymerCurrent Chair: Michael Craymer

Saudi ArabiaSaudi Arabia Current Vice-Chair: Larry HothemCurrent Vice-Chair: Larry Hothem

South AfricaSouth Africa

United KingdomUnited Kingdom

United StatesUnited States

ISO Geodetic RegistryISO Geodetic Registry

• Register OwnerRegister Owner– ISO/TC 211ISO/TC 211

• Register ManagerRegister Manager– ISO/TC 211 SecretariatISO/TC 211 Secretariat

• Registry Software & ServerRegistry Software & Server– Hosted by Norwegian Mapping AuthorityHosted by Norwegian Mapping Authority– Control Body facilitated search for registry software Control Body facilitated search for registry software

ISO Geodetic Registry SoftwareISO Geodetic Registry Software

• Software FeaturesSoftware Features– New open source software developed by René Thiele New open source software developed by René Thiele

(Frankfurt University of Applied Sciences)(Frankfurt University of Applied Sciences)

– Funded by BKG & Norwegian Mapping AuthorityFunded by BKG & Norwegian Mapping Authority

– Compliant with ISO standards and specsCompliant with ISO standards and specs• Data model based on IS 19111Data model based on IS 19111

• Rules for population & maintenance – TS 19127Rules for population & maintenance – TS 19127

• Registration procedures – IS 19135Registration procedures – IS 19135

– Includes Includes management processmanagement process & publication of content & publication of content

– Web interface & web services (REST & SOAP)Web interface & web services (REST & SOAP)

• Development version being testedDevelopment version being tested

IS 19111 Data ModelIS 19111 Data Model

Coordinate ReferenceSystems

CoordinateOperations

Datums

CoordinateSystems

SupportingItems

Data Model ExampleData Model Example

Coordinate Reference System(e.g. ITRS)

Datum (Ref. Frame)(e.g. ITRF2008)

Coordinate System(e.g. 3D geocentric Cartesian)

Transformation Data ModelTransformation Data Model

Registry ManagementRegistry Management

• ProcessProcess– Submission of a proposalSubmission of a proposal

– Approval/RejectionApproval/Rejection

– WithdrawalWithdrawal

– Appeal of a rejectionAppeal of a rejection

• Types of submissionsTypes of submissions– AdditionAddition

– ClarificationClarification

– Supersession (update)Supersession (update)

– RetirementRetirement

– Invalidation (of erroneous information)Invalidation (of erroneous information)

Management RolesManagement Roles

Register Owner(ISO/TC 211)

Organization that establishes a register

Register Manager(ISO/TC 211 Secretariat)

Organization that manages the content of a register – mostly handled by registry software

Control Body Group of technical experts that makes decisions regarding the content of a register

Submitting Org. Organization authorized by a register owner to propose additions/changes to the content of a register

SubmissionSubmissionSubmitting Organisation Register Manager

ApprovalApprovalSubmitting

OrganisationRegister Manager Control Body

Geodetic Codes & Parameters

Coordinate Reference Systems

Coordinate Systems

Datums

Coordinate Operations

Other

Area of Use

Coordinate System Axis

Ellipsoid

Naming System

Operation Method

Operation Parameter

Prime Meridian

Unit of Measure

Present StatusPresent Status

• Control Body RepresentationControl Body Representation– Seeking representation from all regionsSeeking representation from all regions– Missing: South America, Russia, IndiaMissing: South America, Russia, India

• ISO Geodetic Registry ImplementationISO Geodetic Registry Implementation– Data being loaded for testingData being loaded for testing– Demonstrations at ISO TC 211 & monthly CB meetingsDemonstrations at ISO TC 211 & monthly CB meetings– ““Seeding” registry with primary global & continental Seeding” registry with primary global & continental

reference frames for public release, includingreference frames for public release, includingITRFITRF GTRF09v01GTRF09v01 ETRFETRF AFREFAFREF

WGS84WGS84 JGS (QZSS)JGS (QZSS) NAD83NAD83 APREFAPREF

PZ-90.02PZ-90.02 CTRS 2000CTRS 2000 SIRGASSIRGAS GDA94GDA94(Beidou)(Beidou)

Future Plans Future Plans (1/2)(1/2)

• Revision of standards (IS 19111 & TS 19127)Revision of standards (IS 19111 & TS 19127)– Present versionsPresent versions

• Data model based on horizontal reference systems and Data model based on horizontal reference systems and levelling-based vertical datumslevelling-based vertical datums

• Geoids treated only as transformations between geodetic & Geoids treated only as transformations between geodetic & orthometric heightsorthometric heights

• Only one datum (frame) per CRSOnly one datum (frame) per CRS• Only one coordinate system per CRSOnly one coordinate system per CRS• Only one UTM zone per coordinate systemOnly one UTM zone per coordinate system

– Revision needed for Revision needed for • Modern dynamic 3D reference systemsModern dynamic 3D reference systems• Geoid-based vertical datumsGeoid-based vertical datums

Future PlansFuture Plans (2/2) (2/2)

• Registry ImplementationRegistry Implementation– Adapt modern reference systems to current data Adapt modern reference systems to current data

model (make extensive use of “comments” in item model (make extensive use of “comments” in item descriptions)descriptions)

– Complete loading of registry with an initial set of Complete loading of registry with an initial set of international reference systems & transformationsinternational reference systems & transformations

– Planning public release by end of yearPlanning public release by end of yearWill post link to ISO Registry on IAG WebsiteWill post link to ISO Registry on IAG Website

Thank you for your attentionThank you for your attention