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SLOVENSKI STANDARD
01-januar-2023
Geografske informacije - Geoprostorski API za funkcije - 2. del: Koordinatni
referenčni sistemi po referenci (ISO 19168-2:2022)
Geographic information - Geospatial API for features - Part 2: Coordinate Reference
Systems by Reference (ISO 19168-2:2022)
Geoinformation - Raumbezogene API für Features - Teil 2: Koordinatenreferenzsystem
durch Referenz (ISO 19168-2:2022)
Information géographique - API géospatiale pour les entités - Partie 2: Systèmes de
coordonnées de référence par référence (ISO 19168-2:2022)
Ta slovenski standard je istoveten z: EN ISO 19168-2:2022
ICS:
07.040 Astronomija. Geodezija. Astronomy. Geodesy.
Geografija Geography
35.240.70 Uporabniške rešitve IT v IT applications in science
znanosti
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 19168-2
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2022
EUROPÄISCHE NORM
ICS 35.240.70
English Version
Geographic information - Geospatial API for features - Part
2: Coordinate Reference Systems by Reference (ISO
19168-2:2022)
Information géographique - API géospatiale pour les Geoinformation - Raumbezogene API für Features -
entités - Partie 2: Systèmes de coordonnées de Teil 2: Koordinatenreferenzsystem durch Referenz
référence par référence (ISO 19168-2:2022) (ISO 19168-2:2022)
This European Standard was approved by CEN on 29 April 2022.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 19168-2:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 19168-2:2022) has been prepared by Technical Committee ISO/TC 211
"Geographic information/Geomatics" in collaboration with Technical Committee CEN/TC 287
“Geographic Information” the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2023, and conflicting national standards shall be
withdrawn at the latest by April 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 19168-2:2022 has been approved by CEN as EN ISO 19168-2:2022 without any
modification.
INTERNATIONAL ISO
STANDARD 19168-2
First edition
2022-09
Geographic information – Geospatial
API for features —
Part 2:
Coordinate Reference Systems by
Reference
Information géographique — API géospatiale pour les entités —
Partie 2: Systèmes de coordonnées de référence par référence
Reference number
ISO 19168-2:2022(E)
ISO 19168-2:2022(E)
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii
ISO 19168-2:2022(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Conformance . 2
5 Conventions and background.2
6 Requirements Class Coordinate Reference Systems by Reference . 3
6.1 Overview . 3
6.2 Discovery . 3
6.2.1 CRS identifier list . 3
6.2.2 Storage CRS . 4
6.2.3 Global list of CRS identifiers . 5
6.3 Query . 8
6.3.1 Parameter bbox-crs . 8
6.3.2 Parameter crs . 9
6.3.3 Output format considerations . 10
6.3.4 Coordinate reference system information independent of the feature
encoding . 11
Annex A (normative) Abstract Test Suite .12
Bibliography .16
iii
ISO 19168-2:2022(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by the Open Geospatial Consortium (as OGC API — Features — Part 2:
Coordinate Reference Systems by Reference) and drafted in accordance with its editorial rules. It was
assigned to Technical Committee ISO/TC 211, Geographic information/Geomatics, and adopted under
the “fast-track procedure”.
The main changes are as follows:
— addition of an Introduction;
— alignment of spellings with ISO spelling rules;
— renumbering and reordering of Clauses 2-4 in order to accommodate the fixed structure of ISO
documents;
— set texts introduced in Clauses 2 and 3;
A list of all parts in the ISO 19168 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
iv
ISO 19168-2:2022(E)
Introduction
OGC API standards define modular API building blocks to spatially enable Web APIs in a consistent way.
The OpenAPI specification is used to define the API building blocks.
The OGC API family of standards is organized by resource type. This document extends the fundamental
API building blocks for interacting with features. The spatial data community uses the term 'feature'
for things in the real world that are of interest.
For those not familiar with the term 'feature,' the explanations on Spatial Things, Features and
[6]
Geometry in the W3C/OGC Spatial Data on the Web Best Practice document provide more detail.
OGC API Features provides API building blocks to create, modify and query features on the Web. OGC
API Features is comprised of multiple parts, each of them is a separate standard. This document extends
the core capabilities specified in OGC API — Features — Part 1: Core (ISO 19168-1) with the ability to
use coordinate reference system identifiers other than the defaults defined in the core.
By default, every API implementing this document will provide access to a single dataset. Rather than
sharing the data as a complete dataset, the OGC API Features standards offer direct, fine-grained access
to the data at the feature (object) level.
The API building blocks specified in this document are consistent with the architecture of the Web.
In particular, the API design is guided by the IETF HTTP/HTTPS RFCs, the W3C Data on the Web
Best Practices, the W3C/OGC Spatial Data on the
...