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Application module:
Associative draughting elements |
ISO/TS 10303-1311:2019(E)
© ISO
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This clause specifies the information requirements for the
Associative draughting elements
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
Associative_draughting_elements_arm
schema and identifies the necessary external references.
EXPRESS specification:
*)
SCHEMA Associative_draughting_elements_arm;
(*
The following EXPRESS interface statements specify the elements
imported from the ARMs of other application modules.
EXPRESS specification:
*)
USE FROM
Draughting_element_arm;
--
ISO/TS 10303-1310
USE FROM
Shape_property_assignment_arm;
--
ISO/TS 10303-1032
(*
NOTE 1
The schemas referenced above are specified in the following
part of ISO 10303:
| Draughting_element_arm |
ISO/TS 10303-1310 |
| Shape_property_assignment_arm |
ISO/TS 10303-1032 |
NOTE 2
See Annex C,
Figures
C.1and C.2
for a graphical representation of this schema.
This subclause specifies the ARM types
for this application module. The ARM types and
definitions are specified below.
The annotation_occurrence_associativity_item type allows for the designation of the data
types
Fill_area, Leader, and Projection_curve.
EXPRESS specification:
*)
TYPE
annotation_occurrence_associativity_item =
SELECT
(Fill_area,
Leader,
Projection_curve);
END_TYPE;
(*
The draughting_model_element_select type is an
extensible list of alternate data types
that allows for the designation of the data
types Annotation_element, Axis_placement, Draughting_callout, and Styled_model_replication.
NOTE
The list of entity data types may be
extended in application modules that use the constructs of
this module.
EXPRESS specification:
*)
TYPE
draughting_model_element_select =
EXTENSIBLE
GENERIC_ENTITY
SELECT
(Annotation_element,
Axis_placement,
Draughting_callout,
Styled_model_replication);
END_TYPE;
(*
The draughting_model_item_association_select type allows for the designation of the data
types
Annotation_element and Draughting_callout.
EXPRESS specification:
*)
TYPE
draughting_model_item_association_select =
SELECT
(Annotation_element,
Draughting_callout);
END_TYPE;
(*
The draughting_model_item_definition type is an
extensible list of alternate data types
that allows for the designation of the data
types Product_occurrence_definition_relationship, Product_view_definition, View_definition_relationship, Shape_element, and Shape_element_relationship.
NOTE
The list of entity data types may be
extended in application modules that use the constructs of
this module.
EXPRESS specification:
*)
TYPE
draughting_model_item_definition =
EXTENSIBLE
GENERIC_ENTITY
SELECT
(Product_occurrence_definition_relationship,
Product_view_definition,
View_definition_relationship,
Shape_element,
Shape_element_relationship);
END_TYPE;
(*
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.
An Annotation_occurrence_associativity is an annotation occurrence
relationship that relates an element of annotation to the leader or
projection curve which visually directs information in the drawing to
the element or to the fill area whose boundary is derived from the element.
EXPRESS specification:
*)
ENTITY Annotation_occurrence_associativity;
relating_element : Annotation_element;
related_element : annotation_occurrence_associativity_item;
END_ENTITY;
(*
Attribute definitions:
relating_element:
specifies a role of the
Annotation_element
for the Annotation_occurrence_associativity.
related_element:
specifies a role of the
annotation_occurrence_associativity_item
for the Annotation_occurrence_associativity.
A Draughting_model is a type of
Styled_model.
EXPRESS specification:
*)
ENTITY Draughting_model
SUBTYPE OF (Styled_model);
SELF\representation.items : SET[1:?] OF draughting_model_element_select;
UNIQUE
UR1:
SELF\representation.name;
END_ENTITY;
(*
Attribute definitions:
items:
an attribute inherited from the
Representation
should be redeclared as the
draughting_model_element_select
for the Draughting_model.
Formal propositions:
UR1:
The
name
should be unique within a population of the Draughting_models.
A Draughting_model_item_association is an identification of an
Annotation_element,
or a
Axis_placement,
or a
Styled_model_replication,
or a
Draughting_callout
within a
Draughting_model
as being the element that describes a
Shape_element
or a
Shape_element_relationship.
EXAMPLE
In an application protocol, an instance of
Geometric_model
describes a characteristic of a product. One element of the
Geometric_model
- a
Curve
- represents the boundary of a hole that is a
Shape_element
in the product.
This entity data type may be used to state that the curve describes the hole, in the context of the entire
Geometric_model
describing the shape of the product.
EXPRESS specification:
*)
ENTITY Draughting_model_item_association;
name : STRING;
definition : draughting_model_item_definition;
identified_item : draughting_model_item_association_select;
used_model : Draughting_model;
END_ENTITY;
(*
Attribute definitions:
name:
the word or group of words by which the Draughting_model_item_association is known.
definition:
specifies the
draughting_model_item_definition
that is presented by the identified_item.
identified_item:
specifies the
Annotation_element
or
Draughting_callout
presenting the definition.
used_model:
specifies the
Draughting_model
containing the identified_item.
*)
END_SCHEMA; -- Associative_draughting_elements_arm
(*
© ISO 2019 — All rights reserved
