ISO INTERNATIONAL STANDARD 25178-3 First edition 2012-07-01 Geometrical product specifications (GPS)— Surface texture: Areal - Part 3: Specification operators Spécification geometrique des produits (GPS)-Etat de surface: Surfacique Partie 3:Operateursde spécification Accessed by UNSW - LIBRARY on 15 Jun 2016 (Document currency not guaranteed when printed) Reference number ISO 25178-3:2012(E) LSO ISO2012 ISO25178-3:2012(E) COPYRIGHTPROTECTEDDOCUMENT C ISO2012 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 and microfilm, without permission in writing from either IsO at the address below or IsO's memberbody in the country of therequester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland = @ ISO 2012 -All rights reserved ISO 25178-3:2012(E) Contents Page Foreword ..iv Introduction 1 Scope 2 Normativereferences 3 Terms and definitions. 4 Complete specification operator. 4.1 General... 4.2 Method ofextraction 4.3 Associationmethod. 4.4 Filtration.... 6 4.5 Definition area 5 General information AnnexA(informative)Decisiontreeforcompletespecificationoperator. 8 AnnexB(normative)DefaultattributevaluesforparametersfromIso25178-2 9 AnnexC (normative)Defaultunitsforparameters fromIso25178-2. 11 AnnexD (informative)Relationshipwith surface texture profileparameters. 14 AnnexE (informative)RelationtotheGPS matrixmodel. 16 Bibliography. 8 @ ISO 2012 -All rights reserved ili