ISO INTERNATIONAL STANDARD 13584-31 First edition 1999-12-15 Industrial automation systems and integration Parts library - Part 31: Implementation resources: Geometric programming interface Systemes d'automatisation industrielle et integration Bibliotheque de composants - Partie 31: Ressources de mise en application: Interface de programmation geometrique Reference number E ISO 13584-31:1999(E) ISO @ ISO 1999 HS under I without license from IHS Not for Resale ISO 13584-31:1999(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 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 @ISO1999 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 @ISO1999-Allrightsreserved py IHS unde ermittedwithoutlicense from IHS Not for Resale ISO/FDIS 13584-31:1999(E) i-1 Not for Resale ISO 13584-31: 1999(E) @ISO Contents Page SCOPEANDFIELDOFAPPLICATION. 2 NORMATIVEREFERENCES 3 TERMS, DEFINITIONS AND ABBREVIATIONS.... 3.1 Terms defined in ISO 13584-10.. 3.2 Othertermsanddefinitions.. 3.3 Abbreviations ...... FUNDAMENTAL CONCEPTS. 4.1 Requirementforparametricscapabilities.. 4.2 Exchange format for parametric shape description . 4.3 Internal representation of the data created in the receiving CAD system.. 4.4 Library supplier and LMS user responsibility...... 4.5 Compatibility ... 4.6 Geometryrepresentationaccuracy 5 INTERFACE PRESENTATION ... 5.1 Specification and conformance. 5.1.1 Allowed levels of implementation 5.1.2 Simulation of missing entities . 5.2 Interface tables........ 5.3 Creationofproduct modeldata... 5.3.1 Reference coordinate system of a view (OvC) 5.3.2 Geometrical units in the OvC ... 5.3.3 Content of a view. 5.3.4 Temporary database.... 5.3.5 Hidden line removal process , 10 5.3.6 The representation process . 5.4 Entities structure... 12 5.4.1 Group structure in the TDB. 12 5.4.2 Structure of the entities sent to the CAD system 13 5.5 Geometrical or structured entity name ... 5.6 Coordinate system and transformation... 5.7 Interface error state ... 14 5.8 Error handling 14 5.8.1 Error handling methodology... 5.8.2 Errormessages..... 15 6 LOGICAL MODEL OF THE TARGET MODELLING SYSTEM 6.1 Geometric representation item... ..18 6.1.1 api_abstract_schema.... ...20 No reproduc nse from IHS Not for Resale ISO 13584-31: 1999(E) @ISO 6.1.1.1 API ABSTRACT_SCHEMA constant definition: Geometry representation accuracy........20 6.1.2 API_ABSTRACT_SCHEMA type definition : Fundamentals of product description and support.21 6.1.2.1 Identifier.... 6.1.2.2 Label. 6.1.2.3 6.1.2.4 Length_measure... 6.1.2.5 Plane_angle_measure... 6.1.2.6 Positive_length_measure ... .22 6.1.2.7 Positive_plane_angle_measure.. .22 6.1.2.8 Parameter_value... ...23 6.1.2.9 Message........ 6.1.2.10 Reference.. ...23 6.1.3 API_ABSTRACT_SCHEMA type definition : Geometric and topological representations .... 6.1.3.1 Dimension_count.... .23 6.1.3.2 .24 6.1.3.3 Preferred_surface_curve_representation.... 6.1.3.4 Trimming_preference ... 6.1.3.5 Axis2_placement.... 25 6.1.3.6 Curve_on_surface.. .25 6.1.3.7 Pcurve_or_surface..