ISO-15930-5-2003.pdf
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1、 Reference number ISO 15930-5:2003(E) ISO 2003 INTERNATIONAL STANDARD ISO 15930-5 First edition 2003-12-15 Graphic technology Prepress digital data exchange using PDF Part 5: Partial exchange of printing data using PDF 1.4 (PDF/X-2) Technologie graphique change de donnes numriques de primpression ut
2、ilisant le PDF Partie 5: change partiel de donnes dimpression utilisant le PDF 1.4 (PDF/X-2) ISO 15930-5:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces wh
3、ich 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 ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems I
4、ncorporated. 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
5、 that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying
6、 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-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
7、 ii ISO 2003 All rights reserved ISO 15930-5:2003(E) ISO 2003 All rights reserved iii Contents Page Forewordiv Introduction v 1 Scope1 2 Normative references .1 3 Terms, abbreviated terms and definitions2 4 Notations4 5 Conforming files and equipment.4 6 Technical requirements5 6.1 General.5 6.2 Dat
8、a structure5 6.3 PDF file identification .5 6.4 Externally referenced elements.6 6.5 File specifications.7 6.6 Trapping.7 Annex A (informative) PDF feature summary9 Bibliography .11 -,-,- ISO 15930-5:2003(E) iv ISO 2003 All rights reserved Foreword ISO (the International Organization for Standardiza
9、tion) 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. Each member body interested in a subject for which a technical committee has been established has the right to be
10、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 International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standard
11、s are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Interna
12、tional Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility 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 15930-5 w
13、as prepared by Technical Committee ISO/TC 130, Graphic technology, with the support of ANSI Committee for Graphic Arts Technologies Standards (CGATS). ISO 15930 consists of the following parts, under the general title Graphic technology Prepress digital data exchange using PDF: Part 1: Complete exch
14、ange using CMYK data (PDF/X-1 and PDF/X-1a); Part 3: Complete exchange suitable for colour-managed workflows (PDF/X-3); Part 4: Complete exchange of CMYK and spot colour printing data using PDF 1.4 (PDF/X-1a); Part 5: Partial exchange of printing data using PDF 1.4 (PDF/X-2); Part 6: Complete exchan
15、ge of printing data suitable for colour-managed workflows using PDF 1.4 (PDF/X-3). ISO 15930-5:2003(E) ISO 2003 All rights reserved v Introduction ISO 15930 (all parts) defines methods for the exchange of digital data within the graphic arts industry and for the exchange of files between graphic art
16、s establishments. It is a multi-part document where each part is intended to respond to different workflow requirements. These workflows differ in the degree of flexibility required. However, increasing flexibility can lead to the possibility of uncertainty or error. The goal throughout the various
17、parts of ISO 15930 has been to maintain the degree of flexibility required while minimizing the uncertainty. Many printed documents are assemblies of partial pages and/or pages created at different locations and by different organizations. The merging of these individual elements into the final prin
18、ting forme and the subsequent printing may take place at different locations. Some of these elements may also be routed to multiple sites for incorporation into other documents. Each of these elements is referred to in ISO 15930 as a compound entity. A variety of data formats and structures are used
19、 for the creation of this type of material, but with two prevalent kinds of underlying data structures. These are vector-based data for the encoding of line art and textual information and raster-based data for the encoding of image information, including previously rasterized line art and textual i
20、nformation. Both kinds of data structures are required along with page-description information in an open electronic workflow. The exchange of raster-based data using the TIFF/IT file format is defined in ISO 12639. The subject of ISO 15930 is a format for the exchange of object-based data where ind
21、ividual objects may be in either vector or raster data structures. PDF/X-2 (Part 5 of this International Standard) complements the other parts by defining a data format and its usage to permit the predictable dissemination of a compound entity to one or more locations, as colour- managed data, CMYK
22、data, and/or spot colour data, by transfer of a file with some elements not included, but with provision for unique identification. An exchange identified by this part of this International Standard will often require communication between sender and receiver to select the mechanism by which element
23、s not included may be identified. These goals are accomplished by defining a specific use of the publicly available Adobe Portable Document Format. In order to achieve a level of exchange that avoids any ambiguity in interpretation of the file, a limited set of PDF objects that may be used is identi
24、fied and restrictions to the use, or form of use, of those objects, and/or keys within those objects are added. While PDF/X-2 (this part of this International Standard) defines a data format and its usage to permit the predictable dissemination of a compound entity to one or more locations where som
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