1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 11928-1:2000 ICS 3
2、7.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Micrographics Quality control of graphic COM recorders Part 1: Characteristics of the test framesThis British Standard, having been prepared under the direction of the DISC Board, was published under the authority of the St
3、andards Committee and comes into effect on 15 August 2000 BSI 08-2000 ISBN 0 580 36362 7 BS ISO 11928-1:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 11928-1:2000 and implements it as the UK national standard. It super
4、sedes BS 7353: 1991 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee IDT/1, Document imaging applications, to Subcommittee IDT/1/1, Quality, which has the responsibility to: aid enquirers to understand the text; present to the responsible international
5、/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secreta
6、ry. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards E
7、lectronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages Thi
8、s document comprises a front cover, an inside front cover, the ISO title page, page ii to iv, pages 1 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.Referencenumber ISO11928-1:2000(E) INTERNATIONAL STANDARD ISO 11928-1 Firstedit
9、ion 2000-04-01 MicrographicsQualitycontrolofgraphic COMrecorders Part1: Characteristicsofthetestframes Micrographie Contrle de la qualit des imprimantes COM graphiques Partie 1: Caractristiques des cibles de contrleISO11928-1:2000(E) ii ISO11928-1:2000(E)iii Foreword ISO(theInternationalOrganization
10、forStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.In
11、ternationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirective
12、s,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO11928maybethesubjectof patent
13、rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO11928-1waspreparedbyTechnicalCommitteeISO/TC171, Document imaging applications, Subcommittee SC 1, Quality. ISO11928consistsofthefollowingparts,underthegeneraltitle Micrographics Quality control of gra
14、phic COM recorders: Part 1: Characteristics of the test frames Part 2: Quality criteria and controlISO11928-1:2000(E) iv Introduction ThispartofISO11928hasbeenpreparedbecauseincreasingnumbersoftechnicaldrawingsarenowproduced onCOM,and,althoughtheirqualityisusuallyreasonable,theyarenotalwayscomparabl
15、ewithmicrofilmcopiesof hardcopydrawings.Thiscancausedifficultywhenbothkindsofdrawingareputintoaperturecardsandusedin systemsdesignedtodealwithmicrofilmcopiesofhard-copy-drawings. ThispartofISO11928hasthereforebeenpreparedtohelpuserstoestablishproceduresthatshouldensurethat thequalityofCOM-generatedd
16、rawingsisbothacceptableinitselfandcomparableinqualitywithtechnical drawingsonconventionalmicrofilmthatcomplieswithISO3272-1,ISO3272-2andISO3272-3.INTERNATIONALSTANDARD ISO11928-1:2000(E) 1 MicrographicsQualitycontrolofgraphicCOMrecorders Part1: Characteristicsofthetestframes 1 Scope ThispartofISO119
17、28specifiesthecharacteristicsofthetestframesusedforevaluatingtheimagequalityof microformsfromgraphicCOMrecorders. ItappliestographicCOMrecordersthatarecapableofproducingbothalphanumericandgraphicimagesoutput ontoblack-and-whitefilms. 2 Normativereference Thefollowingnormativedocumentcontainsprovisio
18、nswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO11928.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO11928areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionofthenorma
19、tivedocumentindicatedbelow.Forundatedreferences, thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintainregistersof currentlyvalidInternationalStandards. ISO6196-7:1992, Micrographics Vocabulary Part 7: Computer micrographics. 3 Termsanddefinitions Forthepurposesofthispart
20、ofISO11928,thetermsanddefinitionsgiveninISO6196-7andthefollowingapply. 3.1 testframe datafilewhichgeneratestestimagesonaCOMrecorder 4 Testframes 4.1 Testframeforcheckingframesize,linearityandpositioning Thetestframe(seeFigure1)shallcomprisearectangulargridequalinsizetothelargestimagethattheCOM recor
21、derproduces.Itshallbedividedbystraightlinesdrawninbothaxesatintervalsofone-eighthofthelengthof thelongaxis,fromthecentreoftheframe.Diagonallinesshallconnecttheoppositecornersoftheframeandthe midpointsofthesidesoftheframe. 4.2 Testframeforcheckingresolution,legibilityanddensity Thetestframe(seeFigure
22、2)shallcomprise: a) patternscomposedoffive-linegroupswithaletterbesideeachgrouptoidentifyit.Thespacialfrequencyof thelineswithinthefive-linegroupsshallbechosentoensurethatthepointofresolutionfailureoccurswithin therange;ISO11928-1:2000(E) 2 b) groupsoflower-caseletter“e”invarioussizes,withanumeralbe
23、sideeachgrouptoidentifyit.Thesizesofthe letter“e”shallbechosentoensurethatthepointoflegibilityfailureoccurswithintherange; c) anareaexposedbytheCOMrecordertoproduceanareasufficienttomeasureminimumdensity. NOTE Thisareamaybeaseparateframeforeachmeasurement. 4.3 Testframeforcheckingradialrecording The
24、testframe(seeFigure3)shallcompriseparallelpairsofradiallinesspacedat22,5,withtheseparationin eachpairoflinesbeingequaltothelinethickness. 4.4 Testframeforcheckingcurvedlines Thetestframe(seeFigure4)shallcompriseanumberofconcentriccircles,withradiallinesspacedat45.The fouroutercirclesshallbedrawnwith
25、doublelines. 4.5 Testframeforcheckingcharacterdisplayandrotation Thetestframe(seeFigure5)shallcompriseoflinesofcharacters,onelineateachoftheavailablecharactersizes, andsmalllinesofrotatedcharactersatthecornersoftheframe.ISO11928-1:2000(E)3 Figure1Samplelayoutoftestframeforcheckingframesize,linearity
26、andpositioning NOTE Thelettersatthecorners,midpointsandcentreoftheframehavebeenaddedforeaseofreferenceinthetext.They neednotappearonthefilm.ISO11928-1:2000(E) 4 Figure2Samplelayoutoftestframesforcheckingresolution,legibilityanddensityISO11928-1:2000(E)5 Figure3Samplelayoutoftestframeforcheckingradia
27、lrecordingISO11928-1:2000(E) 6 Figure4SamplelayoutoftestframeforcheckingcurvedlinesISO11928-1:2000(E)7 Figure5SamplelayoutoftestframeforcheckingcharacterdisplayandrotationBS ISO 11928-1:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
28、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards
29、. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant
30、aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 02
31、0 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer
32、Services. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information
33、 on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 70
34、48. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Copyright Copyright subsists in all
35、BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means elec
36、tronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.
