1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 25297-1:2012Optics and photonics Electronic exchange of opticaldataPart 1: NODIF information modelBS ISO 25297-1:2012 BRITISH STANDARDNational forewordThis British Standar
2、d is the UK implementation of ISO 25297-1:2012.It supersedes BS ISO 25297-1:2010 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee CPW/172/1, Optics and Photonics - FundamentalStandards.A list of organizations represented on this committee can beobtained
3、on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 76392 2ICS 37.020Compliance with a Britis
4、h Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 April 2012.Amendments issued since publicationDate Text affectedBS ISO 25297-1:2012 ISO 2012Optics and photonics Electronic exchange of
5、optical data Part 1: NODIF information modelOptique et photonique Transfert lectronique des donnes optiques Partie 1: Modle de donnes NODIFINTERNATIONAL STANDARDISO25297-1Second edition2012-03-01Reference numberISO 25297-1:2012(E)BS ISO 25297-1:2012ISO 25297-1:2012(E)ii ISO 2012 All rights reservedC
6、OPYRIGHT PROTECTED DOCUMENT ISO 2012All 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 and microfilm, without permission in writing from either ISO at the address bel
7、ow or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 25297-1:2012ISO 25297-1:2012(E) ISO 2012 All rights reserved iiiContents PageFor
8、eword ivIntroduction v1 Scope 12 Normative references . 23 Terms, definitions and abbreviated terms 33.1 Terms and definitions . 33.2 Abbreviated terms . 54 Information requirements . 54.1 General . 54.2 Units of functionality 74.3 Application objects .10Annex A (normative) NODIF ARM diagrams using
9、the EXPRESS-G graphical notation .46Annex B (informative) NODIF application activity model (AAM) 63Bibliography .77BS ISO 25297-1:2012ISO 25297-1:2012(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The wo
10、rk 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 represented on that committee. International organizations, governmental and non-governm
11、ental, 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 Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The ma
12、in 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 International Standard requires approval by at least 75 % of the member bodies casting a vote.Att
13、ention 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 25297-1 was prepared by Technical Committee ISO/TC 172, Optics and photonics, Subcommittee SC 1, Fund
14、amental standards.This second edition cancels and replaces the first edition (ISO 25297-1:2010), which has undergone a minor revision to correctly identify the status of Annex A as being normative rather than informative and to apply corrections to Figures 1, 2, A.8, A.14, A.18 and A.23.ISO 25297 co
15、nsists of the following parts, under the general title Optics and photonics Electronic exchange of optical data: Part 1: NODIF information model Part 2: Mapping to the classes and properties defined in ISO 23584iv ISO 2012 All rights reservedBS ISO 25297-1:2012ISO 25297-1:2012(E)IntroductionThis par
16、t of ISO 25297, dealing with the Neutral Optical Data Interchange Format (NODIF), is the International Standard that describes the way optical information is transferred from one computer-aided-design program (CAD, CAE, CAM) to another, in a machine-independent and language-independent format.ISO 10
17、303 (all parts) is the International Standard for Exchange of Product model data (STEP) that describes the computer-interpretable representation and exchange of product data. Its objective is to provide a neutral mechanism capable of describing any product data throughout the life cycle of the produ
18、ct, independent of any particular system. This description makes it suitable not only for neutral file exchange, but also as a basis for implementing and sharing product databases and for archiving. ISO 10303 (all parts) has been designed to support an extensive domain of product data-communication
19、requirements, i.e. all product data necessary to completely define any product for all applications over the products life cycle.STEP is organized in a series of parts, each published separately. Each part falls into one of the following categories: descriptive methods, integrated resources, applica
20、tion integrated constructs, application protocols, abstract test suites, implementation methods and conformance testing. The series is described in ISO 10303-1.A fundamental concept is the definition of the application protocol (AP), which is the mechanism for specifying information requirements and
21、 for ensuring reliable communication. An application protocol defines the context, scope and information requirements for a particular product and specifies the resource constructs required to satisfy these requirements. Application protocols employ three types of information models:a) an applicatio
22、n activity model (AAM), which describes the activities and processes that use and produce the product data in a specific application context;b) an application reference model (ARM), which defines the terminology within the application context and specifies the conceptual structures and constraints t
23、hat are used to describe the information requirements for an application;c) an application interpreted model (AIM), which is a model of selected integrated resources that are constrained, specialized or completed to satisfy the information requirements of the ARM.This part of ISO 25297 for NODIF is
24、intended to conform to the requirements of ISO 10303 (all parts) as a member of the application protocol series. ISO 2012 All rights reserved vBS ISO 25297-1:2012BS ISO 25297-1:2012Optics and photonics Electronic exchange of optical data Part 1: NODIF information model1 ScopeThis part of ISO 25297 s
25、pecifies the information requirements for optical systems and parts, and provides an information model to support the processes of optical design, optical evaluation and analysis for these optical systems and parts when using computers with CAD and CAE.NOTE Generally, an optical system means an opti
26、cal unit as an optical product, which performs optical functions, and is composed of optical elements and the barrels in which these elements are mounted. In this part of ISO 25297, an optical system is a collection of optical parts and optical assemblies, e.g. the viewfinder system or the taking le
27、ns system of a leaf shutter camera.This information model adds the data peculiar to optical design specification based on STEP to ISO 10303 (all parts). The additional information is product specification information, optical design information, optical evaluation information and analysis informatio
28、n.This part of ISO 25297 is generically called the Neutral Optical Data Interchange Format (NODIF).The following are within the scope: information on product specification, optical design, optical evaluation and analysis; optical systems and parts in imaging systems, such as cameras and copiers, vie
29、wing systems for telescopes and microscopes and the other optical systems, such as projectors and pick-up lenses; multiple-configuration optical systems, including zoom lenses and inner focusing systems; optical path definition, including ray-path sequence and optical surface arrangement; optical as
30、semblies, including cemented parts and dynamic parts; mathematical description of the optical surface form; description of diffractive surfaces; machining process designation, such as polishing, moulding or replicating; optical material specifications, such as material names, lot numbers and measure
31、d refractive indices; optical tolerances for the shape and material property of each optical part; assembly tolerances, such as separation, parallelism, displacement and tilt; effective diameters, coatings and protective surface treatment; paraxial evaluation, such as focal length, back focal length
32、, principal points and f-number; ray-tracing evaluation, such as geometrical ray-tracing results (i.e. ray directions and intersection points on each surface and optical path lengths), aberrations and wavefront aberration; OTF evaluation based on geometrical and/or physical optics; illuminance distr
33、ibution on a detection surface or a projection surface; spectral characteristics;INTERNATIONAL STANDARD ISO 25297-1:2012(E) ISO 2012 All rights reserved 1BS ISO 25297-1:2012ISO 25297-1:2012(E) ghost image evaluation; thermal analysis accompanying optical surface deformation and material property val
34、ue change; stress analysis accompanying optical surface deformation and material property value change; veiling glare and surface imperfections.The following are outside the scope of this part of ISO 25297: mechanical design, electronic design and embedded software design; optical systems in which t
35、he optical path is changeable, e.g. beam splitters or variable magnification converters; tolerances for mechanical parts; parts with a diameter less than 10 times the wavelength of light; parts made from materials whose dielectric constant, , electric permittivity, , and magnetic permittivity, , are
36、 uninfluenced by interaction between the materials and the light; graphical documents resulting from design, evaluation and analysis of products; optical wave guide for optical communications; product planning information concerning market research and customer analysis; product definition and confi
37、guration control information irrelevant to design, evaluation and analysis; analysis information, except thermal and stress analysis, e.g. vibration analysis; information on trial production, production process including production planning and production control, and processes after production, suc
38、h as shipment and repair; ophthalmic optics.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amen
39、dments) applies.ISO 10110-1, Optics and photonics Preparation of drawings for optical elements and systems Part 1: GeneralISO 10110-2:1996, Optics and optical instruments Preparation of drawings for optical elements and systems Part 2: Material imperfections Stress birefringenceISO 10110-3:1996, Opt
40、ics and optical instruments Preparation of drawings for optical elements and systems Part 3: Material imperfections Bubbles and inclusionsISO 10110-4:1997, Optics and optical instruments Preparation of drawings for optical elements and systems Part 4: Material imperfections Inhomogeneity and striaeI
41、SO 10110-5:2007, Optics and photonics Preparation of drawings for optical elements and systems Part 5: Surface form tolerancesISO 10110-6:1996, Optics and optical instruments Preparation of drawings for optical elements and systems Part 6: Centring tolerancesISO 10110-7:2008, Optics and photonics Pr
42、eparation of drawings for optical elements and systems Part 7: Surface imperfection tolerancesISO 10110-8, Optics and photonics Preparation of drawings for optical elements and systems Part 8: Surface texture; roughness and waviness2 ISO 2012 All rights reservedBS ISO 25297-1:2012ISO 25297-1:2012(E)
43、ISO 10110-12:2007, Optics and photonics Preparation of drawings for optical elements and systems Part 12: Aspheric surfacesISO 10110-17:2004, Optics and photonics Preparation of drawings for optical elements and systems Part 17: Laser irradiation damage thresholdISO 10303-1:1994, Industrial automati
44、on systems and integration Product data representation and exchange Part 1: Overview and fundamental principlesISO 10303-203, Industrial automation systems and integration Product data representation and exchange Part 203: Application protocol: Configuration controlled 3D design of mechanical parts
45、and assemblies (modular version)ISO 23584-2, Optics and photonics Specification of reference dictionary Part 2: Classes and properties definitions1)ISO 25297-2, Optics and photonics Electronic exchange of optical data Part 2: Mapping to the classes and properties defined in ISO 235843 Terms, definit
46、ions and abbreviated terms3.1 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1.1applicationgroup of one or more processes creating or using product dataISO 10303-1:1994, 3.2.23.1.2application activity modelAAMmodel that describes an application in
47、 terms of its processes and information flowsISO 10303-1:1994, 3.2.33.1.3application objectatomic element of an application reference model that defines a unique concept of the application and contains attributes specifying the data elements of the objectISO 10303-1:1994, 3.2.63.1.4application proto
48、colAPone of the parts of ISO 10303-1 that specifies an application-interpreted model satisfying the scope and information requirements for a specific applicationNOTE This definition differs from the definition used in open system interconnection (OSI) standards. However, since ISO 10303-1 is not int
49、ended to be used directly with OSI communications, no confusion should arise.ISO 10303-1:1994, 3.2.71) To be published. ISO 2012 All rights reserved 3BS ISO 25297-1:2012ISO 25297-1:2012(E)3.1.5application reference modelARMinformation model that describes the information requirements and constraints of a specific application contextISO 10303-1:1994, 3.2.8NOTE See Annex B for diagrams of example application activity models.3.1.6assemb
