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Application module:
Layered 2D shape |
ISO/TS 10303-1693:2014-02(E)
© ISO
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This clause specifies the information requirements for the
Layered 2D shape
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.
This clause defines the information requirements to which implementations shall
conform using the EXPRESS language as defined in ISO 10303-11.
The following begins the
Layered_2d_shape_arm
schema and identifies the necessary external references.
EXPRESS specification:
*)
SCHEMA Layered_2d_shape_arm;
(*
The following EXPRESS interface statements specify the elements
imported from the ARMs of other application modules.
EXPRESS specification:
*)
USE FROM
Constructive_solid_geometry_2d_arm;
--
ISO/TS 10303-1731
USE FROM
Wireframe_2d_arm;
--
ISO/TS 10303-1347
USE FROM
Shape_feature_arm;
--
ISO/TS 10303-1764
(*
NOTE 1
The schemas referenced above are specified in the following
part of ISO 10303:
| Constructive_solid_geometry_2d_arm |
ISO/TS 10303-1731 |
| Wireframe_2d_arm |
ISO/TS 10303-1347 |
| Shape_feature_arm |
ISO/TS 10303-1764 |
NOTE 2
See Annex C,
Figures
C.1and C.2
for a graphical representation of this schema.
This subclause specifies the ARM entities for this
module. Each ARM application entity is an atomic element that
embodies a unique application concept and contains attributes
specifying the data elements of the entity. The ARM
entities and definitions are specified below.
A Planar_projected_shape_model is a type of Planar_shape_model.
A Planar_projected_shape_model may be projected from a solid but need not be.
EXPRESS specification:
*)
ENTITY Planar_projected_shape_model
SUBTYPE OF (Planar_shape_model);
WHERE
WR1: NOT EXISTS(SELF\Representation.name);
END_ENTITY;
(*
Formal propositions:
WR1:
The
name
shall not be populated.
A Planar_shape_model is a type of
Geometric_model that lies on a two-dimensional
plane. A Planar_shape_model is a
Planar_projected_shape_model.
NOTE
A Planar_projected_shape_model
is a physical shape, while a
Physical_unit_planar_keepout_shape_model is a keepout region constraint shape.
The Application Object name for
Planar_projected_shape_model
is consistent with the previous edition of this standard.
EXPRESS specification:
*)
ENTITY Planar_shape_model
ABSTRACT SUPERTYPE
OF (Planar_projected_shape_model)
SUBTYPE OF (Geometric_model);
WHERE
WR1: SELF\Geometric_model.context_of_items.dimension_count = 2;
END_ENTITY;
(*
Formal propositions:
WR1:
Planar_shape_model shall be two-dimensional shape.
*)
END_SCHEMA; -- Layered_2d_shape_arm
(*
© ISO 2014 — All rights reserved
