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Application module:
Faceted boundary representation |
ISO/TS 10303-1512:2004(E)
© ISO
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This clause specifies the information requirements for the
Faceted boundary representation
application module. The information requirements are specified as the
Application Reference Model (ARM) of this application module.
NOTE 1 A graphical representation of the information
requirements is given in
Annex C.
NOTE 2 The mapping specification is specified in
5.1. It shows how
the information requirements are met by using common resources and
constructs defined or imported in the MIM schema of this application
module.
The following EXPRESS specification begins the
Faceted_boundary_representation_arm
schema and identifies the necessary external references.
EXPRESS specification:
*)
SCHEMA Faceted_boundary_representation_arm;
(*
The following EXPRESS interface statement specifies the elements
imported from the ARM of another application module.
EXPRESS specification:
*)
USE FROM
Elemental_geometric_shape_arm;
--
ISO/TS 10303-1004
(*
NOTE 1
The schemas referenced above are specified in the following
part of ISO 10303:
| Elemental_geometric_shape_arm |
ISO/TS 10303-1004 |
NOTE 2
See Annex C,
Figures
C.1and C.2
for a graphical representation of this schema.
This subclause specifies the ARM entity for this
module. The ARM entity is an atomic element that
embodies a unique application concept and contains attributes
specifying the data elements of the entity. The ARM
entity and definition is specified below.
A Faceted_brep_shape_representation is a type of Geometric_model.
It is a collection of solids described by their envelopes represented with planar polygonal facets.
Each envelope is defined by at least for facets.
The topological normal of the shell is defined as being directed from the finite to the infinite region.
NOTE
This entity is incompletely modelled in the ARM. Complete specification
can be obtained in the definition of the corresponding MIM entity.
EXPRESS specification:
*)
ENTITY Faceted_brep_shape_representation
SUBTYPE OF (Geometric_model);
END_ENTITY;
(*
*)
END_SCHEMA; -- Faceted_boundary_representation_arm
(*
© ISO 2004 — All rights reserved
