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本文(BS ISO 17972-1-2015 Graphic technology Colour data exchange format Relationship to CxF3 (CxF X)《印刷技术 颜色数据交换格式 CxF3 (CxF X) 相关》.pdf)为本站会员(proposalcash356)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS ISO 17972-1-2015 Graphic technology Colour data exchange format Relationship to CxF3 (CxF X)《印刷技术 颜色数据交换格式 CxF3 (CxF X) 相关》.pdf

1、BSI Standards PublicationBS ISO 17972-1:2015Graphic technology Colourdata exchange formatPart 1: Relationship to CxF3 (CxF/X)BS ISO 17972-1:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 17972-1:2015. The UK participation in its preparation was entrusted

2、to TechnicalCommittee 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 S

3、tandards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 82026 7 ICS 35.240.30; 37.100.99 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

4、30 April 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e d ISO 2015Graphic technology Colour data exchange format Part 1: Relationship to CxF3 (CxF/X)Technologie graphique Format dchange des donnes en couleur Partie 1: Relation avec le CxF3 (CxF/X)INTERNATIONAL STANDARD

5、ISO 17972-1First edition 2015-05-01Reference number ISO 17972-1:2015(E)BS ISO 17972-1:2015ISO 17972-1:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any

6、 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 ISOs member body in the country of the requester.ISO copyright officeCase postale

7、56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 17972-1:2015ISO 17972-1:2015(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 13.1 Terms . 13.2 Definitions . 24 Symbols and abbr

8、eviated terms . 25 Requirements 35.1 CxF/X specific requirements . 35.2 General description of a Color Exchange Format conforming file 35.2.1 General 35.2.2 FileInformation . 45.2.3 Resources . 45.2.4 Example CxF file structure 65.2.5 CustomResources 75.3 Document Format . 85.3.1 General 85.3.2 CxF

9、3.0 Major Schema Elements 85.3.3 Object . 85.3.4 ColorValues . 95.3.5 DeviceColorValues 95.3.6 PhysicalAttributes . 9Annex A (informative) Color Exchange Format mapping to ISO 28178.10Annex B (informative) CxF3 Schema 14Annex C (informative) Use Cases .15Bibliography .17 ISO 2015 All rights reserved

10、 iiiContents PageBS ISO 17972-1:2015ISO 17972-1:2015(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 through ISO technical committees.

11、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 Internat

12、ional 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 differe

13、nt 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 subject of patent rights. ISO shall n

14、ot 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 in

15、formation 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 Technical Barriers to Trade (TBT) see

16、 the following URL: Foreword - Supplementary Information The committee responsible for this document is ISO/TC 130, Graphic technology.ISO 17972 consists of the following parts, under the general title Graphic technology Colour data exchange format (CxF/X): Part 1: Relationship to CxF3(CxF/X) Part 4

17、: Spot color characterisation data (CxF/X-4)The following parts are under development: Part 2: Scanner target data (CxF/X-2) Part 3: Printer target data (CxF/X-3)iv ISO 2015 All rights reservedBS ISO 17972-1:2015ISO 17972-1:2015(E)IntroductionISO 17972 (all parts) defines methods for the use of CxF3

18、 to exchange measurement data and associated metadata within the graphic arts industry and for the exchange of these files between graphic arts users. It is a multi-part document where each part is intended to respond to different workflow requirements. The goal throughout the various parts of ISO 1

19、7972 has been to maintain the degree of flexibility required while minimizing the uncertainty of the data exchanged.A number of International Standards used by the graphic technology community require the reporting of measured and/or computed data. Several of these standards, e.g. ISO 12642 and ISO

20、13655, have used the ASCII keyword-value pair approach and have been widely used by some industry segments. However, there has been a large degree of variability in implementation, which has not facilitated good automated data exchange creating uncertainty. ISO 28178 attempted to rectify this situat

21、ion by creating a bridge between the ASCII Keywords approach and an XML flat file approach, but the flat file approach had limitations and has not been widely used. This part of ISO 17972 advances this process further by identifying the use of the publicly available Color Exchange Format version 3 (

22、CxF3) for prepress data exchange and verification. In order to achieve a level of exchange that avoids any ambiguity in interpretation of the file. Each part defines a required and optional set of CxF elements that are permitted to be used. This first document will outline the mapping of CxF to the

23、existing elements in ISO 28178 (provided in Annex A) and illustrate the underlying concepts of CxF. NOTE X-Rite Inc., the original creator of the CxF file format, claims no intellectual property rights to the materials used in this part of ISO 17972.This part of ISO 17972 is intended to support all

24、existing and future graphic arts standards that require the exchange of measured, computed, or process control data and the associated metadata necessary for its proper interpretation.In reviewing the needs of such a format, the following requirements were identified: existing applications using ISO

25、 28178 formatted documents in ASCII format should not be rendered obsolete by the new standard; data needs to be in a form that is both human-readable (once the digital file has been displayed using standard editors or file readers) and machine-readable; data needs to be readable by automated progra

26、ms to extract the necessary information; data files need to be extensible by end users in such a way as to allow additional information to be included without breaking automated readers of the file; data files need to be capable of being created by automated programs; the format needs to allow multi

27、ple language representation of data.The following files are part of ISO 17972-1, and are included as electronic inserts: CxF3_Core.xsd; CxF3_Schema_Diagram.pdf; Scannertarget.cxf; Scannertarget.txt; Holidays_test.cxf. ISO 2015 All rights reserved vBS ISO 17972-1:2015ISO 17972-1:2015(E)BS ISO 17972-1

28、:2015Graphic technology Colour data exchange format Part 1: Relationship to CxF3 (CxF/X)1 ScopeThis part of ISO 17972 defines an exchange format for colour and process control data (and the associated metadata necessary for its proper interpretation) in electronic form. It is the base document for d

29、escribing the use of CxF3 for data exchange. Where required, this part of ISO 17972 also defines additional requirements for a valid CxF/X file. Using XML, all CxF3 and CxF/X documents also support the exchange of data outside of the graphic arts workflow and can support future standards with an ext

30、ensible architecture using standard XML Names and Metadata tags which can be used with standard XML tools and pass XML validation.Additional parts of ISO 17972 will use custom resources in conjunction with CxF3 to define the required and optional data for a particular workflow.2 Normative references

31、Color Exchange Format v3.0 documents1)3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1 TermsNOTE The spelling of terms taken from Color Exchange Format v3.0 is not altered from that used in the normative reference. A specific example is the word

32、 color instead of colour.3.1.1ColorSpecificationinformation about the ColorValue (3.1.2) including its source (measurement specifications), illuminant/observer calculation method (tristimulus specifications), and physical attributes of the objects (3.1.5) (size, quantity, finish, etc.)SOURCE: Color

33、Exchange Format v3.03.1.2ColorValueone of a number of defined colour space types that can hold values and associated information related to that specific type of device independent colour spaceSOURCE: Color Exchange Format v3.01) Available at http:/.INTERNATIONAL STANDARD ISO 17972-1:2015(E) ISO 201

34、5 All rights reserved 1BS ISO 17972-1:2015ISO 17972-1:2015(E)3.1.3CustomResources“extensible” part of CxF3 (3.2.2); additional information not included in the CxF3 Core about colour objects and the file itself that is considered application specific in nature and not generally of use to all other ap

35、plications“SOURCE: Color Exchange Format v3.03.1.4DeviceColorValueone of a number of defined colour space types that can hold values and associated information related to that specific type of device dependent colour spaceSOURCE: Color Exchange Format v3.03.1.5Objectused to identify each specific “C

36、olour item” that is being described3.2 Definitions3.2.1CxF/XCxF3 (3.2.2) file which also conforms to the requirements defined in this part of ISO 179723.2.2CxF3exchange format for colour and process control data defined in Color Exchange Format v33.2.3profileset of mathematical values or binary stru

37、cture that allows transformation to/from one device colour space to another; profiles are stored in the ProfileCollection and are shared and referenced by the ColorValues (3.1.2)3.2.4resourcesinformation about each colour object that is of interest to all readers of the CxF fileNote 1 to entry: This

38、 is also referred to as the “CxF3 Core”. It is defined by the CxF3-Core namespace schema.3.2.5schemaXML document conforming to the specifications established by the World Wide Web Consortium that defines the structure of a class of XML documents3.2.6XMLExtensible Markup Language; a set of rules for

39、encoding documents electronically3.2.7XSDXML schema definition4 Symbols and abbreviated termsThe following documentation conventions are used. Names of XML elements are shown in bold type, for example, Resources.2 ISO 2015 All rights reservedBS ISO 17972-1:2015ISO 17972-1:2015(E) Names of XML attrib

40、utes are shown in italics, for example, SpotColorName. XML XPaths are used to identify XML elements. For example, container/contained refers to an element (contained) that is a child of another element (container). Similarly, XML XPaths are used to refer to XML attributes, for example, element1/Name

41、 refers to an attribute (Name) of an element (element1).5 Requirements5.1 CxF/X specific requirementsA CxF/X file shall comply with all of the requirements specified in CxF3. It shall also comply with any additional requirements specified in this or other parts of ISO 17972. These may include requir

42、ed Resources or restrictions on the use of Resources or specification of CustomResources. The FileInformation element of a CxF/X file shall include Creator, CreationDate, and Description. The Description element of a CxF/X file shall include “CxF/X” and the number of the applicable International Sta

43、ndard with which the CxF/X file complies. If the file is to be used in support of an International Standard, it shall include the number of the International Standard in the Comment text.A CxF/X file shall validate against the sA3 Schema (see Annex B). A CxF/X file that is converted from an ISO 2817

44、8 compliant text file should use Table A.1 to map the textual data into CxF/X elements and attributes. Additional parts of ISO 17972 can provide additional requirements for exchanging data from previous standards including ISO 28178.NOTE The spelling of terms and elements taken from Color Exchange F

45、ormat v3.0 are not altered from that used in the normative reference. A specific example is the word color instead of colour.5.2 General description of a Color Exchange Format conforming file5.2.1 GeneralThe standard Color Exchange Format as presented in the CxF 3.0 captures file Information such as

46、 creation and ownership, core colour information (the Resources), and any extended information (CustomResources). A CxF document shall have the extension “.cxf”. A CxF/X file should use the extension “.cxf” for ease of file mapping with exising CxF aware applications.”By using XML which is a standar

47、d for the digital representation of documents, CxF also speeds and simplifies the movement and reporting of data from its database collection to a web-ready representation. A common data exchange format used in the graphic arts is defined in ISO 28178:2008. Annex A provides the mapping from ISO 2817

48、8 to CxF (see 5.1 for additional requirements in using this for a CxF/X file).A CxF3 file shall be structured as shown in Figure 1. ISO 2015 All rights reserved 3BS ISO 17972-1:2015ISO 17972-1:2015(E)Figure 1 CxF3 file structureEvery valid Color Exchange Format document shall contain, at a minimum,

49、the required namespace information in the root CxF element.().In addition, it can include FileInformation, Resources, and CustomResources. Further information on FileInformation is given in 5.2.2, on Resources in 5.2.3, and on CustomResources in 5.2.5.NOTE CxF file structure diagrams use XML symbology.5.2.2 FileInformationThis element contains the header data for a Color Exchange Format container that supports workflow management. Elements include the following: Creator - Name of the

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