1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 16612-2:2010Graphic technology V a r i a b l e d a t a e x c h a n g ePart 2: Using PDF/X-4 and PDF/X-5 (PDF/ VT-1 and PDF/VT-2)BS ISO 16612-2:2010 BRITISH STANDARDNationa
2、l forewordThis British Standard is the UK implementation of ISO 16612-2:2010.The UK participation in its preparation was entrusted to TechnicalCommittee PAI/43, Graphic technology.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does n
3、ot purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 66530 1ICS 35.240.30; 37.100.99Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the autho
4、rity of theStandards Policy and Strategy Committee on 30 November 2010.Amendments issued since publicationDate Text affectedBS ISO 16612-2:2010Reference numberISO 16612-2:2010(E)ISO 2010INTERNATIONAL STANDARD ISO16612-2First edition2010-08-15Graphic technology Variable data exchange Part 2: Using PD
5、F/X-4 and PDF/X-5 (PDF/VT-1 and PDF/VT-2) Technologie graphique change de donnes dimpression variables Partie 2: Utilisation de PDF/X-4 et PDF/X-5 (PDF/VT-1 et PDF/VT-2) BS ISO 16612-2:2010ISO 16612-2:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes lice
6、nsing 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 downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The IS
7、O Central Secretariat 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 be
8、en 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. COPYRIGHT PROTECTED DOCUMENT ISO 2010 All rights reserved. Unless otherwise specified, no part of
9、 this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH
10、-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2010 All rights reservedBS ISO 16612-2:2010ISO 16612-2:2010(E) ISO 2010 All rights reserved iiiContents Page Foreword iv Introduction.v 1 Scope1 2 Normative references
11、1 3 Terms, definitions and abbreviated terms2 3.1 Terms and definitions .2 3.2 Abbreviated terms .5 4 Notations 5 5 Conforming files and equipment .5 5.1 General .5 5.2 PDF/VT-1 conformance.6 5.3 PDF/VT-2 conformance.6 5.4 PDF/VT-2s conformance.6 5.5 All PDF/VT file conformance levels .6 5.6 Validat
12、ion of PDF/VT files.6 6 Technical requirements 7 6.1 General .7 6.2 PDF/VT file requirements7 6.3 PDF/VT-1 and PDF/VT-2 file identification 7 6.4 Architecture .8 6.5 Document part hierarchy9 6.6 Document part metadata (DPM).11 6.7 Recurring graphical object definitions12 Annex A (normative) Use of m
13、ultipart MIME for streamed generation of PDF/VT data.16 Annex B (informative) PDF/X conformance summary.18 Annex C (informative) Example DPart structure19 Annex D (normative) XML representation of the document part hierarchy26 Annex E (normative) Naming conventions for DPM keys 31 Annex F (normative
14、) Determining XObject equivalence.32 Bibliography36 BS ISO 16612-2:2010ISO 16612-2:2010(E) iv ISO 2010 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International
15、Standards is normally carried out through 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, al
16、so take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committ
17、ees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the poss
18、ibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 16612-2 was prepared by Technical Committee ISO/TC 130, Graphic technology. ISO 16612 consists of the following parts, under th
19、e general title Graphic technology Variable data exchange: Part 1: Using PPML 2.1 and PDF 1.4 (PPML/VDX-2005) Part 2: Using PDF/X-4 and PDF/X-5 (PDF/VT-1 and PDF/VT-2) BS ISO 16612-2:2010ISO 16612-2:2010(E) ISO 2010 All rights reserved vIntroduction This part of ISO 16612 defines the PDF/VT document
20、 format which specifies methods for the use of the Portable Document Format (PDF) for the definition and exchange of all content elements and supporting metadata necessary for printing tasks involving variable or transactional document content. It allows the specification of document structure, docu
21、ment layout, content data, and interaction of graphical elements in a graphics model that supports transparency. PDF/VT is designed to enable variable document printing (VDP) in a variety of environments from desktop printers to digital production presses. This includes hybrid workflows involving bo
22、th conventional and digital printing. This part of ISO 16612 defines three conformance levels as follows. PDF/VT-1 for a complete single-file exchange. PDF/VT-1 requires all resources necessary for proper interpretation of the PDF data to be included within the conforming PDF file. PDF/VT-2 for mult
23、i-file exchange. PDF/VT-2 enables a conforming file to refer to an external ICC profile file and additional content defined in external PDF/X conforming files for use as page content. PDF/VT-2s for streamed delivery. PDF/VT-2s allows for processing (streaming) of multiple compound entities represent
24、ing graphical content before the entire PDF/VT instance has been generated. A PDF/VT-2s stream is a MIME package that contains a sequence of one or more PDF/VT files and supporting resources. The present trend towards the separation of variable document content creation from the details of print pro
25、duction workflow and printing device dependencies is evolving rapidly. The job definition format (JDF) job ticket specification being developed by the International Cooperation for the Integration of Processes in Prepress, Press, and Postpress Organization (CIP4) provides one means of specifying a p
26、rint product and corresponding production process in a way that is independent of any particular graphical content format. PDF/VT is intended to be workflow-architecture-neutral. PDF/VT has no provision for encoding workflow or device-specific control information. The aspects of device control, reso
27、urce, and production management are outside the scope of this part of ISO 16612. In a production environment, PDF/VT relies on the use of JDF, or similar job ticket formats, to define a print product and the corresponding production requirements. The primary focus of PDF/VT is on the exchange of con
28、tent between businesses or within an integrated environment that produces variable document printing. Graphics design applications continue to evolve with greater capability and increased sophistication of the graphical content and design effects based on a graphics model that supports transparency.
29、 This graphics model is required to support features such as drop shadows and colour blending effects that are associated with the interaction of transparent content objects. These capabilities are used in the creation of one-to-one customer communication print applications including direct marketin
30、g documents, transactional documents, and trans-promotional documents. This part of ISO 16612, referred to as PDF/VT, includes support for the PDF 1.6 imaging model which includes support for transparency. It builds on the PDF/X-4 and PDF/X-5 standards (defined in ISO 15930-7 and ISO 15930-8), which
31、, in turn, reference PDF 1.6. Like ISO 16612-1, this part of ISO 16612 guarantees portability of conforming VDP content and metadata across conforming digital printing systems. It is focused on defining the content data and metadata necessary to support efficient workflow manipulation and processing
32、 based on the use of JDF or similar job ticket formats. More specifically, the job ticket is expected to define the production requirements and draw upon PDF/VT for its content and metadata resources. BS ISO 16612-2:2010ISO 16612-2:2010(E) vi ISO 2010 All rights reservedThis approach supports the fu
33、ndamental requirements of portability, device and workflow independence and guaranteed communication of the intended colour reproduction. The native constructs within PDF allow products to provide functionality equivalent to that of PPML workflows as used in ISO 16612-1. This part of ISO 16612 uses
34、a single homogeneous format while adding support for a graphics model that supports transparency, including support for interacting transparent objects. This part of ISO 16612 is based on PDF/X-4 and PDF/X-5 allowing users to continue to use, and solution vendors to build on, existing PDF-based work
35、flow tools and job-ticket-based VDP workflow architecture similar to PPML/VDX, with the added capability of the full graphics model of PDF 1.6. PDF/VT supports the use of graphical object definitions as a method of specifying graphical content data only once in a PDF/VT file independent of the numbe
36、r of times it is referenced in the file. This approach serves to reduce the file size of a PDF/VT instance and allows implementers of conforming readers to employ various processing optimization strategies. Within the context of PDF/X-4, these graphical objects are specified as image, form and trans
37、parency group XObjects. Use of PDF/X-5g and PDF/X-5pg allows for the use of reference XObjects where the XObjects content stream is that of a page of a referenced PDF file. While strongly recommended, there is nothing in this part of ISO 16612 that enforces the creation of PDF/VT files that make eff
38、icient use of XObjects. XObjects referenced multiple times from various content streams can be tagged with hint information that aids the conforming reader in its determination of XObject reuse. These hints include an explicit lifetime scope to indicate the context within which the XObject is known
39、to be referenced multiple times, such as within the current file, across multiple files of a PDF/VT instance or across PDF/VT instances. An XObject can also be tagged with an identifier to assist a conforming reader in the identification and management of such recurring definitions, such as in the c
40、ase where it is known to occur across multiple PDF/VT files. An XObject can also be identified as an encapsulated XObject if its definition has a limited and well-defined interaction with the current graphic state when invoked. This explicit hint serves to assist a conforming reader in its optimizat
41、ion strategy. This part of ISO 16612 enables an exchange of content where no additional technical information is required to be communicated between sender and receiver for the purpose of describing the appearance of page content. Application notes for this part of ISO 16612 are available to provide
42、 assistance to developers and users of applications designed to conform to this part of ISO 16612 and can be found at http:/www.npes.org/Standards/toolspdfvt.html. A reader conforming to this part of ISO 16612 is not required to support documents conforming to ISO 16612-1, which is based on the use
43、of PDF and PPML. BS ISO 16612-2:2010INTERNATIONAL STANDARD ISO 16612-2:2010(E) ISO 2010 All rights reserved 1Graphic technology Variable data exchange Part 2: Using PDF/X-4 and PDF/X-5 (PDF/VT-1 and PDF/VT-2) 1 Scope This part of ISO 16612 defines the PDF/VT document format and methods to enable rel
44、iable document exchange for variable data and transactional (VT) printing. It uses the Portable Document Format (PDF) Version 1.6, as restricted by PDF/X-4 and PDF/X-5, for the representation of such documents. It allows the specification of document structure and layout, content data, and interacti
45、on of graphical objects in a graphics model that supports transparency and both device-dependent and device-independent colour spaces. All elements are either included or provision is made for unique identification of externally supplied graphical content or ICC profiles. PDF/VT is designed to enabl
46、e variable data and transactional printing in a variety of environments from desktop printers to digital production presses. This includes hybrid workflows involving both conventional and digital printing. This part of ISO 16612 does not provide for the specification and encoding of production and d
47、evice control information but is constructed to enable its use with the CIP4 Job Document Format (JDF) or similar job ticket formats. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies
48、. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 15930-7, Graphic technology Prepress digital data exchange using PDF Part 7: Complete exchange of printing data (PDF/X-4) and partial exchange of printing data with external profile refere
49、nce (PDF/X-4p) using PDF 1.6 ISO 15930-8, Graphic technology Prepress digital data exchange using PDF Part 8: Partial exchange of printing data using PDF 1.6 (PDF/X-5) Adobe PDF Reference, fifth edition, version 1.6., Adobe Systems Incorporated (ISBN 0-321-30474-8). Available from Errata for the PDF Reference, fifth edition, version 1.6 dated 4 October 2006, Adobe Systems Incorporated. Available from Extensible Markup Language (XML) 1.0 (Second Edition), 6 October 2000, World Wide Web Consortium, Available from PDF Blend
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