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ISO/TS 23301:2021

STEP geometry visualization services

Dec 22, 2021

General information

90.92     Mar 16, 2022


ISO/TC 184/SC 4

Technical Specification

03.080.99     25.040.40  




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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.

Life cycle


ISO/TS 23301:2021
90.92 Standard to be revised
Mar 16, 2022


ISO/TS 23301