ISO INTERNATIONAL STANDARD 19142 First edition 2010-12-15 Geographic information Web Feature Service Information géographique Service d'acces aux entités géographiques parle web Reference number ISO 19142:2010(E) @ISO 2010 ISO 19142:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by isO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRiGHTPROTECTEDDOCUMENT ISO2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, ISo's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @IsO2010-All rightsreserved ISO 19142:2010(E) Contents Page Foreword ... Introduction xil 1 2 Conformance 3 Normative references.. 4 Terms and definitions .. 5 5.1 Abbreviated terms 5.2 Use of examples . 5.3 XML schemas.. 5.4 UML Notation .. 5.4.1 Class diagrams .. 5.4.2 State machine notation .... 6 Basic service elements. 6.1 11 6.2 Version numbering and negotiation.... 6.2.1 Version number form and value ... 11 6.2.2 Appearance in service metadata and in requests..... 1 6.2.3 Version number negotiation... 6.2.4 Request encoding ... 11 6.2.5 KvP parameter encoding rules ... 12 6.3 Namespaces 6.4 Service bindings. 13 Common elements 13 7.1 Encoding of features.. 13 7.2 Resource identifiers . 7.2.1 13 7.2.2 Encoding resource identifiers.... 14 7.2.3 Version identification.. 14 7.3 Property references 14 7.3.1 XPath subset.... 7.3.2 Accessorfunction 14 7.4 Predicate expression encoding 15 7.5 15 7.6 Common request parameters 17 7.6.1 Introduction. 7.6.2 Base request type. 17 7.6.3 19 7.6.4 Standard resolve parameters. 22 7.6.5 Standard input parameters... 25 7.6.6 Additional common keywords for KvP-encoded requests. 26 7.7 Standard response parameters ...... 7.7.1 Parameter semantics . 27 7.7.2 XML encoding. 27 7.7.3 KvP encoding ... 27 7.7.4 Parameter discussion 27 7.8 Use of the schemaLocation attribute .. 30 7.9 Query expressions .. 30 zation for' Stand alion'ghts reserved ili ISO 19142:2010(E) 7.9.1 30 7.9.2 Ad hoc query expression. 7.9.3 Stored query expression.. .40 8 GetCapabilities operation .. 8.1 Introduction.... 42 8.2 . 43 8.2.1 Request semantics 8.2.2 XML encoding ... .43 8.2.3 KVP encoding... 43 8.3 8.3.1 Response semantics. 8.3.2 XML encoding ... 44 8.3.3 Capabilities document ...... .45 8.3.4 FeatureTypeList section ..... 8.3.5 Parameters domains and constraints ... .. 48 8.4 Extension points.... 52 8.5 9 54 9.1 Introduction... ..54 9.2 Request.... 54 9.2.1 Request semantics 54 9.2.2 XML Encoding ... 9.2.3 KVP Encoding .55 9.2.4 Parameter discussion . 55 9.3 Response..... 9.3.1 Introduction ... 9.3.2 Supporting multiple namespaces ... 56 9.4 Exceptions.. 57 10 GetPropertyValue operation. 57 10.1 10.2 Request. .57 10.2.1 Request semantics 57 10.2.2 XML Encoding... 58 10.2.3 KvP Encoding .... 10.2.4 Parameter discussion .. .58 10.3 Response.... 60 10.3.1 Response semantics 60 10.3.2 XML encoding .... 10.3.3 State parameter.. 61 10.3.4 Standard response parameters.. 61 10.4 11 GetFeature operation 11.1 Introduction ... 11.2 Request.... 62 11.2.1 Request semantics 62 11.2.2 XmL encoding ..... 11.2.3 KVP encoding... 63 11.2.4 Parameter discussions 64