EN ISO 19148:2021

SLOVENSKI STANDARD
01-julij-2021
Nadomešča:
SIST EN ISO 19148:2012
Geografske informacije - Linearno georeferenciranje (ISO 19148:2021)
Geographic information - Linear referencing (ISO 19148:2021)
Geoinformation - Lineares Bezugssystem (ISO 19148:2021)
Information géographique - Référencement linéaire (ISO 19148:2021)
Ta slovenski standard je istoveten z: EN ISO 19148:2021
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 19148
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2021
EUROPÄISCHE NORM
ICS 35.240.70 Supersedes EN ISO 19148:2012
English Version
Geographic information - Linear referencing (ISO
19148:2021)
Information géographique - Référencement linéaire Geoinformation - Lineares Bezugssystem (ISO
(ISO 19148:2021) 19148:2021)
This European Standard was approved by CEN on 10 March 2021.

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, Turkey 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 19148:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 19148:2021) 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 October 2021, and conflicting national standards shall
be withdrawn at the latest by October 2021.
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.
This document supersedes EN ISO 19148:2012.
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, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 19148:2021 has been approved by CEN as EN ISO 19148:2021 without any modification.

INTERNATIONAL ISO
STANDARD 19148
Second edition
2021-04
Geographic information — Linear
referencing
Information géographique — Référencement linéaire
Reference number
ISO 19148:2021(E)
©
ISO 2021
ISO 19148:2021(E)
© ISO 2021
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.
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Published in Switzerland
ii © ISO 2021 – All rights reserved

ISO 19148:2021(E)
Contents Page
Foreword .v
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms and UML notation . 5
4.1 Abbreviated terms . 5
4.2 UML notation . 5
5 Conformance . 5
5.1 Conformance overview . 5
5.2 Conformance classes . 6
5.2.1 General. 6
5.2.2 Data type conformance . 6
5.2.3 Operation conformance . 6
6 Linear referencing . 7
6.1 Background . 7
6.1.1 Linear referencing concepts . 7
6.1.2 Linear referencing packages .17
6.2 Package: Linear Referencing System .18
6.2.1 Semantics .18
6.2.2 PositionExpression .19
6.2.3 LinearElement . .20
6.2.4 LinearElementType .21
6.2.5 ILinearElement .21
6.2.6 IFeature .22
6.2.7 ISpatial .23
6.2.8 LinearReferencingMethod .24
6.2.9 DistanceAlongDirection .25
6.2.10 LRMType .25
6.2.11 DistanceExpression .26
6.2.12 Referent .27
6.2.13 ReferentType .28
6.2.14 ValueExpression .29
6.3 Package: Linear Referencing Towards Referent .30
6.3.1 Semantics .30
6.3.2 LRMWithTowardsReferent .30
6.3.3 DistanceExpression .31
6.4 Package: Linear Referencing Offset .31
6.4.1 Semantics .31
6.4.2 LRMWithOffset .33
6.4.3 LateralOffsetDirection .34
6.4.4 VerticalOffsetDirection .34
6.4.5 LateralOffsetDistanceExpression .34
6.4.6 LateralOffsetExpression .35
6.4.7 LateralOffsetReferent . .36
6.4.8 VerticalOffsetExpression .37
6.4.9 VerticalOffsetReferent .38
6.4.10 ICrossSectionalConvention .38
6.4.11 ICrossSectionalConventionPart .39
6.5 Package: Linear Referencing Offset Vector .
...