BS ISO 18620-2016 Graphic technology Prepress data exchange Tone adjustment curves exchange《印刷技术 印前数据交换 色调调整曲线交换》.pdf
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1、BSI Standards PublicationBS ISO 18620:2016Graphic technology Prepressdata exchange Toneadjustment curves exchangeBS ISO 18620:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 18620:2016.The UK participation in its preparation was entrusted to Technical Comm
2、ittee PAI/43, Graphic technology.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institu
3、tion 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 85561 0 ICS 37.100.01 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2016.Amendments/corr
4、igenda issued since publicationDate T e x t a f f e c t e dBS ISO 18620:2016 ISO 2016Graphic technology Prepress data exchange Tone adjustment curves exchangeTechnologie graphique change de donnes pr-imprimes changes des courbes dajustement des tonsINTERNATIONAL STANDARDISO18620First edition2016-05-
5、01Reference numberISO 18620:2016(E)BS ISO 18620:2016ISO 18620:2016(E)ii ISO 2016 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by an
6、y 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 CP 401C
7、H-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 18620:2016ISO 18620:2016(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Symbols and abbreviated terms . 14.1 Text styles 14.2 Data types 15 Requir
8、ements 25.1 XML Namespace . 25.2 File structure 25.2.1 General 25.2.2 TransferCurveSet . 25.2.3 FormPreparationDetails 35.2.4 PrintingCondition . 35.2.5 TransferCurve . 45.3 Interpretation of TransferCurve 55.4 Examples 55.4.1 Example 1 . 55.4.2 Example 2 . 6Annex A (informative) Schema . 8Bibliogra
9、phy .10 ISO 2016 All rights reserved iiiContents PageBS ISO 18620:2016ISO 18620:2016(E)ForewordISO (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 th
10、rough 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 collab
11、orates 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
12、 criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subj
13、ect 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 trad
14、e name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Tec
15、hnical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 130, Graphic technology.iv ISO 2016 All rights reservedBS ISO 18620:2016ISO 18620:2016(E)IntroductionThe aim of this International Standard is to define a s
16、imple format to exchange data of Tone Adjustment Curves (also called transfer functions and plate curves) between applications including, but not limited to, colour management, calibration and raster image processor systems.In many cases, it is useful to be able to provide calibration data for print
17、ing plates in a standard form to ensure easy and accurate exchange of data. Graphic arts raster image processor vendors all provide support for printing plate calibration and adjustment of tone curves for digital presses using essentially the same data, however, each uses a proprietary format. One c
18、onsequence of this is that companies providing tools to support print certification need to provide support for many different file formats. Increasingly, the importance of calibration is being recognized by printers who wish to provide a single, often centralized, solution for calibration and in th
19、is context it is becoming increasingly difficult to keep up with the many different formats in use.TC 130 experts know of no commercial reason for each vendor to adopt a different standard and believe that if there was an ISO standard format, this would be likely to be adopted by the industry. This
20、International Standard aims to define the minimum set of data required by all of todays applications and provide a format that is easily extensible so that additional metadata can be included when agreed on between the parties. ISO 2016 All rights reserved vBS ISO 18620:2016BS ISO 18620:2016Graphic
21、technology Prepress data exchange Tone adjustment curves exchange1 ScopeThis International Standard specifies a simple extensible format for the exchange of tone adjustment curves between applications including but not limited to colour management, calibration and raster image processor systems.2 No
22、rmative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments
23、) applies.Namespaces in XML 1.0 (Third Edition), W3C (World Wide Web Consortium) Recommendation 8 December 20091)XML Schema Part 2: Datatypes (Second Edition), W3C (World Wide Web Consortium) Recommendation 28 October 20042)3 Terms and definitionsFor the purposes of this document, the following term
24、s and definitions apply.3.1transfer curvecurve that defines the relationship between input code values and output values, imaged or printed4 Symbols and abbreviated terms4.1 Text stylesThe following documentation conventions are used.Names of XML elements are shown in bold type, for example Transfer
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