ISO/TS 23301:2023
(Main)STEP geometry visualization services
STEP geometry visualization services
This document defines a set of metadata to support the audit trail of the transformation of a geometry definition, while it is distributed and shared in supply-chains, to ensure the traceability of geometric model data. It also defines a set of web services based on the utilisation of these metadata. The following are within the scope of this document: — metadata definitions for geometry transformation audit trail: — syntax for storing these metadata in geometry data sets in various formats; — conformance level for implementers and business processes; — definitions of web services to query the geometric model data set and its associated metadata. The following are outside the scope of this document: — service specifications for CAD operations; — specifications of a cybersecurity infrastructure to enable web services; — the technical implementation of a STEP geometry services client or server; — any geometric model definition; — any product and manufacturing information (PMI) definition; — archiving.
Services de visualisation de la géométrie STEP
General Information
Standards Content (Sample)
TECHNICAL ISO/TS
SPECIFICATION 23301
Second edition
2023-12
STEP geometry visualization services
Services de visualisation de la géométrie STEP
Reference number
© ISO 2023
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ii
Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 High level business scenarios .4
4.1 General . 4
4.2 Check for updates . 4
4.3 Visualization number 1 . 4
4.4 Visualization number 2 . 5
4.5 Retrieve product lifecycle management (PLM) data of a product . 5
4.6 Archiving . 5
4.7 Spatial query . . 5
5 Information requirements . 5
5.1 Review of geometry, topology and shape definitions . 5
5.2 Geometry data set definition . 6
5.3 Metadata for STEP geometry services . 7
5.3.1 General . 7
5.3.2 Extensible metadata platform (XMP) . 7
5.3.3 Included namespaces . 8
5.3.4 sgs namespace . 8
5.4 Large model presentation — Bounding boxes . 10
5.5 Large model presentation — Occurrence tree . 10
5.6 Cybersecurity context and requirements . 10
6 Implementation requirements .11
6.1 General principles . 11
6.2 XMP sidecar file . 11
6.3 ISO/IEC 21778:2017 JSON . 12
6.4 ISO 10303-21 .12
6.5 10303 XML implementations .12
6.6 QIF-XML . 12
6.7 ISO/IEC 19775-1 (X3D) . 13
6.8 ISO 17506 (COLLADA) .13
6.9 3D PDF . 13
6.10 ISO 14306 . . 13
7 Geometry services specification . .13
7.1 Description . 13
7.2 REST API . 13
7.3 Service definition . 14
8 Conformance requirements .16
Annex A (informative) Information object registration.17
Annex B (informative) Reference Data Library (RDL) listing .18
Annex C (informative) XMP sidecar file example .23
Annex D (informative) Example of XMP metadata in ISO 10303-21 .24
Annex E (informative) Example of XMP metadata set in X3D .25
Annex F (informative) 2021 pilot report .26
Annex G (informative) Use case — Spatial query.28
iii
Annex H (informative) Occurrence tree .29
Bibliography .30
iv
Foreword
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electrotechnical standardization.
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described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
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of (a) patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed
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notice of (a) patent(s) which may be required to implement this document. However, implementers are
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expressions related to conformity assessment, as well as information about ISO's adherence to
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www.iso.org/iso/foreword.html.
This document was prepared jointly by Technical Committee ISO/TC 184, Automation systems and
integration, Subcommittee SC 4, Industrial data, in collaboration with Joint Technical Committee ISO/
IEC JTC 1, Information technology, Subcommittee SC 24, Computer graphics, image processing and
environmental data representation and ISO/TC 171, Document management applications, Subcommittee
SC 2, Document file formats, EDMS systems and authenticity of information.
This second edition cancels and replaces the first edition (ISO/TS 23301:2021), which has been
technically revised.
The main changes are as follows:
— addition of a new high-level business scenario: spatial query;
— addition of a new requirement: large model presentation: bounding boxes;
— addition of a new requirement: large model presentation: occurrence tree;
— addition of a new metadata: this URI defining the URI of the current data set;
— updates in the services definition;
— addition of a new service: get_available_formats.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
v
Introduction
There is a confirmed opportunity for industries to have a structured approach on 3D product
visualization and to enable integration of product data in visualization applications, across the life cycle
of the product in all areas of a company.
The integrated standard for the exchange of product model data (STEP) in the enterprise processes has
great value to contribute to this goal.
Business scenarios exist related to the visualization of product data other than geometry (e.g. metadata,
production data, financial data).
The ability to trustfully share, distribute, collect, store, maintain, transfer, process and present product
data associated with its geometry to support business processes distributed in enterprise networks is
a key component of the digital transformation of our industries.
As long as data sets are managed by a single management system, we can ensure quality and traceability
of th
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