Aerospace series. LOTAR. LOng Term Archiving and Retrieval of digital technical product documentation such as 3D CAD and PDM data - Semantic representation of CAD 3D Explicit Geometry with Product and Manufacturing Information

Aerospace series. LOTAR. LOng Term Archiving and Retrieval of digital technical product documentation such as 3D CAD and PDM data - Semantic representation of CAD 3D Explicit Geometry with Product and Manufacturing Information

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1   Scope

1.1   In scope

This document is applicable to:
  • — machine-interpretable PMI “Semantic Representation” (Refer to Clause 3 for definition);
  • — the association of the above with 3D geometric shapes;
  • — the possible association of the above with Presentation of 3D Product and Manufacturing Information (PMI), and 3D annotations as specified in EN 9300‑120.
In EN 9300‑121, the technology used to preserve this 3D information is based on semantic representation. The main use cases are Certification, Product Liability and Design re‑use.
For the purpose of this document, the semantic definition is at the level that supports associative “Cross-highlighting” for the purpose of human readability.