Specification of a CAD*I Neutral File for Solids

Inhaltsverzeichnis

• 1.0 Purpose.
• 2.0 Approach.
• 2.1 CAD modelling and data storage.
• 2.2 Steps taken in the development of the file specification.
• 2.3 The finite State machine approach.
• 3.0 Basic Principles.
• 3.1 Relationships between operating systems and CAD.
• 3.2 Informal description of the CAD data schema.
• 3.3 Basic concepts for the physical layer.
• 4.0 Schema Specification.
• 4.1 The high level data specification language HDSL.
• 4.2 The formal CAD? I-WG2 schema.
• 4.3 Informal description of the schema semantics.
• 4.4 Levels of schema implementations.
• 5.0 The Physical Layer.
• 5.1.1 The physical level.
• 5.1.2 The metafile level.
• 5.1.3 The alphabet level.
• 5.1.4 Tokens of the neutral file language.
• 5.1.5 The Statement level.
• 5.1.6 Rules for translating from the HDSL into BNF.
• 5.1.7 Structure of the neutral file language.
• 5.1.8 Arithmetic expressions.
• 6.0 Definition of the Neutral File Semantics.
• 6.1.1 Interpreter.
• 6.1.2 World.
• 6.1.3 Entity with scope (except World).
• 6.1.4 Entity without scope.
• 6.1.5 Property or relation definition.
• 6.1.6 Interpretation of argument lists (except references).
• 6.1.7 References.
• 6.2 Examples of error messages.
• 7.0 State Lists.
• 8.0 Fortran Binding.
• 8.1 General approach.
• 8.2 Mapping of HDSL data types onto FORTRAN.
• 8.3 Subroutines for interrogating a data base.
• 8.4 Subroutines for writing entities into a data base.
• 8.5 Subroutines for writing entities onto the neutral file.
• 8.6 Subroutines for interrogating a neutral file.
• 9.0 Comments on Pre-Processors.
• 10.0 Comments On Post-Processors.
• Appendix A. The Graphical Alphabet.
• Appendix B. The Escape Sequences.
• B.1 The Latin alphabet (ISO6937).
• B.2 The Greek alphabet.
• B.3 The Kanji alphabet.
• Appendix C. A Neutral File for Fixed Format Letters.
• Appendix D. How this PaperDeveloped.
• D.5 ISO/TC184/SC4/WG1 meeting December 1985.
• D.7 Special meeting on processor development.
• D.8 Common workshop of WG1, WG2, and WG3.
• D.9 Common workshop of WG2, WG6, and WG7.
• D.10 ISO/TC184/SC4/WG1 meeting March 1986.