BS ISO 19162-2015 Geographic information Well-known text representation of coordinate reference systems《地理信息 坐标参考系的已知文本表示》.pdf
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1、BSI Standards PublicationBS ISO 19162:2015Geographic information Well-known textrepresentation of coordinatereference systemsBS ISO 19162:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 19162:2015.The UK participation in its preparation was entrusted to Te
2、chnicalCommittee IST/36, Geographic information.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Stand
3、ards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 81808 0ICS 35.240.70Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2015.Amen
4、dments issued since publicationDate Text affectedBS ISO 19162:2015 ISO 2015Geographic information Well-known text representation of coordinate reference systemsInformation gographique Reprsentation textuelle bien lisible de systmes de rfrence par coordonnesINTERNATIONAL STANDARDISO19162First edition
5、2015-08-15Reference numberISO 19162:2015(E)BS ISO 19162:2015ISO 19162:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
6、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 ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8
7、 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 19162:2015ISO 19162:2015(E) ISO 2015 All rights reserved iiiContents Page Foreword . vii Introduction viii 1 Scope 1 2 Conformance requirements . 1 3 Normative references 2 4 Definit
8、ions and abbreviations 2 4.1 Definitions 2 4.2 Abbreviations . 8 5 Backus-Naur Form notation and syntax . 8 6 WKT string form 9 6.1 Overview . 9 6.2 Encoding 9 6.3 Characters used in WKT . 9 6.3.1 Basic characters 9 6.3.2 Numbers . 11 6.3.3 Date and time . 11 6.3.4 CRS WKT characters . 12 6.3.5 Doub
9、le quote 13 6.4 Delimiter . 13 6.5 Case sensitivity . 13 6.6 Reserved keywords . 13 6.7 Backward compatibility 15 7 WKT representation of common attributes 15 7.1 Introduction 15 7.2 Name . 15 7.3 Scope, extent, identifier and remark . 15 7.3.1 Introduction 15 7.3.2 Scope 16 7.3.3 Extent 16 7.3.4 Id
10、entifier . 18 7.3.5 Remark 19 7.4 Unit and unit conversion factor . 20 7.5 Coordinate system 21 7.5.1 Syntax . 21 7.5.2 Coordinate system type and dimension . 22 7.5.3 Axis name and abbreviation . 23 7.5.4 Axis direction . 24 7.5.5 Axis order . 25 7.5.6 Axis unit and coordinate system unit . 25 7.5.
11、7 Examples of WKT describing coordinate systems 26 8 WKT representation of geodetic coordinate reference systems 28 8.1 Overview . 28 8.2 Geodetic datum . 28 8.2.1 Ellipsoid 28 8.2.2 Prime meridian . 29 8.2.3 Datum 30 8.3 Coordinate systems for geodetic CRSs 31 8.4 Examples of WKT describing a geode
12、tic CRS . 31 BS ISO 19162:2015ISO 19162:2015(E) iv ISO 2015 All rights reserved9 WKT representation of projected CRSs 32 9.1 Overview .32 9.2 Base CRS 32 9.2.1 General 32 9.2.2 Ellipsoidal CS unit .33 9.3 Map projection .33 9.3.1 Introduction 33 9.3.2 Map projection name and identifier .34 9.3.3 Map
13、 projection method .34 9.3.4 Map projection parameter .35 9.4 Coordinate systems for projected CRSs .35 9.5 Examples of WKT describing a projected CRS 35 10 WKT representation of vertical CRSs 36 10.1 Overview .36 10.2 Vertical datum 37 10.3 Vertical coordinate system .37 10.4 Example of WKT describ
14、ing a vertical CRS 37 11 WKT representation of engineering CRSs 37 11.1 Overview .37 11.2 Engineering datum 38 11.3 Coordinate systems for engineering CRSs 38 11.4 Examples of WKT describing an engineering CRS 38 12 WKT representation of image CRSs 39 12.1 Overview .39 12.2 Image datum .39 12.3 Coor
15、dinate systems for image CRSs.40 13 WKT representation of parametric CRSs 40 13.1 Overview .40 13.2 Parametric datum.40 13.3 Parametric coordinate system .40 13.4 Example of WKT describing a parametric CRS 41 14 WKT representation of temporal CRSs .41 14.1 Overview .41 14.2 Temporal datum .41 14.3 T
16、emporal coordinate system 41 14.4 Example of WKT describing a temporal CRS .41 15 WKT representation of derived CRSs 42 15.1 Overview .42 15.2 Derived CRS conversion .42 15.2.1 Introduction 42 15.2.2 Derived CRS conversion method .43 15.2.3 Derived CRS conversion parameter 43 15.2.4 Derived CRS conv
17、ersion parameter file 44 15.2.5 Derived CRS conversion example .44 15.3 Derived CRS of type geodetic 44 15.3.1 Representation .44 15.3.2 Example of WKT describing a derived geodetic CRS 45 15.4 Derived CRS of type vertical .45 15.5 Derived CRS of type engineering .46 15.5.1 Representation .46 15.5.2
18、 Examples of WKT describing a derived engineering CRS 47 15.6 Derived CRS of type parametric .48 15.7 Derived CRS of type temporal 48 16 WKT representation of compound coordinate reference systems 49 16.1 Overview .49 16.2 Examples of WKT describing a compound CRS 50 BS ISO 19162:2015ISO 19162:2015(
19、E) ISO 2015 All rights reserved v17 WKT representation of coordinate operations . 51 17.1 Coordinate operations 51 17.2 Coordinate operation components 51 17.2.1 Source and target CRS . 51 17.2.2 Coordinate operation name and identifier 51 17.2.3 Coordinate operation method 52 17.2.4 Coordinate oper
20、ation parameter 52 17.2.5 Coordinate operation parameter file . 53 17.2.6 Interpolation CRS 53 17.2.7 Coordinate operation accuracy . 53 17.2.8 Other coordinate operation attributes . 53 17.3 Examples of WKT describing a coordinate operation . 54 18 WKT representation of CRS and coordinate operation
21、 couplets . 55 18.1 Bound CRS . 55 18.2 Bound CRS components 56 18.2.1 Abridged coordinate transformation . 56 18.2.2 Coordinate operation method in abridged coordinate transformations . 56 18.2.3 Abridged coordinate transformation parameter 57 18.2.4 Coordinate operation parameter file . 57 18.3 Ex
22、amples of WKT describing a Bound CRS . 58 Annex A (normative) Abstract test suite 59 A.1 Conformance of a WKT string describing a geodetic CRS . 59 A.2 Conformance of a WKT string describing a projected CRS . 59 A.3 Conformance of a WKT string describing a vertical CRS . 60 A.4 Conformance of a WKT
23、string describing an engineering CRS . 60 A.5 Conformance of a WKT string describing an image CRS . 61 A.6 Conformance of a WKT string describing a parametric CRS . 61 A.7 Conformance of a WKT string describing a temporal CRS 62 A.8 Conformance of a WKT string describing a derived CRS . 62 A.9 Confo
24、rmance of a WKT string describing a compound CRS . 63 A.10 Conformance of a WKT string describing a coordinate operation 63 A.11 Conformance of a WKT string describing a Bound CRS 64 Annex B (informative) Recommended practice for implementation . 65 B.1 Introduction 65 B.2 Keywords . 65 B.2.1 Keywor
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