Application Resources

The Application Resources represent an extension of the basic models. They are divided into universally valid application models (100-series) and the so-called AIC's (Application Interpreted Constructs, 500-series). The later ones describe specializations of the basic models which are used in at least two application protocols.

The following example from ISO 10303-101 intends to illustrate the application character as well as the universal validity of the specified objects. Here, the geometric elements, which are defined in Part 42 (Geometry, topology and geometric models), are specialized in the context of technical drawings. In the example, a straight line is declared as a measure line in terms of ISO 10303-101.

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ISO 10303	Name:	Status: 05/02
101	Draughting	IS
104	Finite Element Analysis	IS
105	Kinematics	IS
106	Building and Construction: Core Model	canceled
107	Finite Element Analysis Definition Relationships	CD
108	Parametrization and Constraints for Explicit Product Models	WD
109	Assembly Model for Products	WD
110	Mesh-based computational fluid dynamics	WD

IS - International Standard
CD - Committee Draft
WD - Working Draft

Latest status see: http://www.nist.gov/sc5/soap/

The AIC's mostly deal with the description of geometric models, which use the geometric and topologic basic objects defined in ISO 10303-42, and specialize the generic 'shape_representation' object by specifying a number of conditions. By observing these, one instance represents exactly one representation of the according geometric model.

Thus can be assured that all application protocols use the same specification (from ISO 10303-501) when they refer to e.g. a wireframe model.

ISO 10303	Name:	Status: 05/02
501	Edge-based wireframe	IS
502	Shell-based wireframe	IS
503	Geometrically-bounded 2d wireframe	IS
504	Draughting annotation	IS
505	Drawing structure & administration	IS
506	Draughting elements	IS
507	Geometrically-bounded surface	FDIS
508	Non-manifold surface	FDIS
509	Manifold surface	FDIS
510	Geometrically-bounded wireframe	IS
511	Topologicall-bounded surface	IS
512	Faceted B-representation	IS
513	Elementary B-rep	IS
514	Advanced B-rep	IS
515	Constructive solid geometry	IS
517	Mechanical design geometric presentation	IS
518	Mechanical design shaded presentation	DIS
519	Geometric tolerances	IS
520	Associative draughting elements	IS
521	Manifold subsurfaces	recommended

IS - International Standard
FDIS - Final Draft International Standard
DIS - Draft International Standard

Latest status see: http://www.nist.gov/sc5/soap/