ISO INTERNATIONAL STANDARD 10303-502 First edition 2000-03-01 Industrial automation systems and integration Product data representation and exchange - Part 502: Application interpreted construct: Shell-based wireframe Systemesd'automatisationindustrielleetintegrationReprésentation etéchangededonnéesdeproduits Partie 502: Construction interprétée d'application: Cadre en fil métallique basé sur une coquille Reference number ISO 10303-502:2000(E) ISO @ ISO 2000 HS unde Not for Resale ISO 10303-502:2000(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing 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 Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademarkof 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 been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event ?ISO2000 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 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 22 734 10 79 E-mail [email protected] Web www.iso.ch Printed in Switzerland @Iso2000-All rightsreserved ermittedwithoutlicense from IHS Not for Resale CISO ISO 10303-502:2000(E) Contents Page 1 Scope 2 Normative references 3 Terms, definitions, and abbreviations 4 EXPRESS short listing 4.1 Introduction . 4.2 Fundamental concepts and assumptions 4.3 aic_shell_based_wireframe entity definition: shell_based_wireframe_shape_representation 4.4 aic_shell_based_wireframe function definitions 4.4.1 valid_wireframe_edge_curve . 4.4.2 valid_wireframe_vertex_point 9 Annex A (normative) Short names of entities 10 Annex B (normative) Information object registration 11 B.1 Document identification 11 B.2 Schema identification 11 Annex C (informative) EXPRESS-G diagrams 12 Annex D (informative) Computer interpretable listings 19 Index Figures Figure C.1 - aic_shell_based_wireframe - EXPRESS-G diagram 1 of 6 13 Figure C.2 - aic_shell_based_wireframe - EXPRESS-G diagram 2 of 6 14 Figure C.3 - aic_shell_based_wireframe - EXPRESS-G diagram 3 of 6 15 Figure C.4 - aic_shell_based_wireframe - EXPRESS-G diagram 4 of 6 16 Figure C.5 - aic_shell_based_wireframe - EXPRESS-G diagram 5 of 6 17 Figure C.6 - aic_shell_based_wireframe - EXPRESS-G diagram 6 of 6 18 Tables Table A.1 - Short names of entities 10 ii Copyright Intemational Organization Not for Resale