vector

EXPRESS specification:

ENTITY vector
SUBTYPE OF ( | geometric_representation_item);
orientation | : | direction;
magnitude | : | length_measure;
WHERE
WRV1 | : | magnitude >= 0.0;
END_ENTITY;

References (4):

Name | Type | Referred through | Express-G
geometric_representation_item | Entity |
Subtype
| No Diagram
line | Entity |
Attribute 'dir'
| No Diagram
surface_of_linear_extrusion | Entity |
Attribute 'extrusion_axis'
| No Diagram
vector_or_direction | Select |
Select relation
| No Diagram

Inheritance graph

ENTITY vector;
ENTITY representation_item;
name | : | label;
ENTITY geometric_representation_item;
DERIVE
dim | : | dimension_count := dimension_of(SELF);
ENTITY vector;
orientation | : | direction;
magnitude | : | length_measure;
END_ENTITY;