ISO 10303-112:2006 PDF

Industrial automation systems and integration — Product data representation and exchange — Part 112: Integrated application resource: Modelling commands for the exchange of procedurally represented 2D CAD models

First page of standard ISO 10303-112:2006

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Title (English):

ISO 10303-112:2006

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 71
Publication date:: December 7, 2006
Edition:: ISO IS 10303 edition 1 version 1
ICS:: 25.040.40

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Description (English):

Procedural representations are expressed as sequences of modelling commands. ISO 10303-112:2006 defines standardized representations for a set of modelling commands for the exchange of procedurally represented 2D CAD models, including sketches or profiles.

Technical details

Technical committee: ISO/TC 184/SC 4 - Industrial data
SKU: ISO 10303-112:2006

Abstract

Overview

ISO 10303-112:2006 is part of the ISO 10303 (STEP) family and defines an Integrated Application Resource for exchanging procedurally represented 2D CAD models. The standard specifies how procedural representations-expressed as sequences of modelling commands-are represented so sketches and profiles (2D geometry created by operations) can be reliably exchanged between systems. The document includes EXPRESS schemas, function definitions and examples to support computer-interpretable transfer of procedural sketch data.

Key topics and requirements

Procedural sketch model: Represents 2D sketches as ordered modelling commands (construction history) rather than only final geometry.
Standardized command set: Defines many sketch operations such as:
- line and polyline creation (create_line_segment*, create_polyline)
- circle and arc creation (create_circle*, create_circular_arc*)
- ellipse, spline, parabolic arc, fillet, chamfer
- pattern and transform operations (translate, rotate, mirror, scale, pattern_rectangular, pattern_circular)
Explicit constraints and history: Support for representing construction history and explicit geometric constraints within a sketch.
Entity and function definitions: Includes procedural_sketch entity definitions, function definitions (distance_between_cartesian_points, midpoint, etc.), and type definitions used by commands.
Machine-readable artifacts: Contains EXPRESS-G diagrams, computer-interpretable listings, and normative annexes for entity short names and information object registration.
Normative and informative content: Normative references and annexes (A, B) and informative examples (Annex E) to illustrate intended usage.

Applications and practical value

CAD interoperability: Exchange of sketches/profiles between different 2D/3D CAD applications while preserving construction intent.
PLM and data archival: Storing procedural sketch definitions in product data repositories to retain editability and traceability.
Downstream manufacturing: Supplying accurate sketch definitions to CAM, CNC programming, tooling and simulation systems where construction history or constraints matter.

Abstract

Overview

Key topics and requirements

Procedural sketch model: Represents 2D sketches as ordered modelling commands (construction history) rather than only final geometry.
Standardized command set: Defines many sketch operations such as:
- line and polyline creation (create_line_segment*, create_polyline)
- circle and arc creation (create_circle*, create_circular_arc*)
- ellipse, spline, parabolic arc, fillet, chamfer
- pattern and transform operations (translate, rotate, mirror, scale, pattern_rectangular, pattern_circular)
Explicit constraints and history: Support for representing construction history and explicit geometric constraints within a sketch.
Entity and function definitions: Includes procedural_sketch entity definitions, function definitions (distance_between_cartesian_points, midpoint, etc.), and type definitions used by commands.
Machine-readable artifacts: Contains EXPRESS-G diagrams, computer-interpretable listings, and normative annexes for entity short names and information object registration.
Normative and informative content: Normative references and annexes (A, B) and informative examples (Annex E) to illustrate intended usage.

Applications and practical value

CAD interoperability: Exchange of sketches/profiles between different 2D/3D CAD applications while preserving construction intent.
PLM and data archival: Storing procedural sketch definitions in product data repositories to retain editability and traceability.
Downstream manufacturing: Supplying accurate sketch definitions to CAM, CNC programming, tooling and simulation systems where construction history or constraints matter.

ISO 10303-112:2006 PDF

Technical details

Abstract

Overview

Key topics and requirements

Applications and practical value

Abstract

Overview

Key topics and requirements

Applications and practical value

Who should use this standard

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