line

EXPRESS specification:

ENTITY line
SUBTYPE OF ( | curve);
pnt | : | cartesian_point;
dir | : | vector;
WHERE
WRL2 | : | dir.dim = pnt.dim;
END_ENTITY;

References (4):

Name | Type | Referred through | Express-G
curve | Entity |
Subtype
| No Diagram
revolved_area_solid | Entity |
Attribute 'axis_line'
| No Diagram
revolved_face_solid | Entity |
Attribute 'axis_line'
| No Diagram
surface_of_revolution | Entity |
Attribute 'axis_line'
| No Diagram

Inheritance graph

ENTITY line;
ENTITY representation_item;
name | : | label;
ENTITY geometric_representation_item;
DERIVE
dim | : | dimension_count := dimension_of(SELF);
ENTITY curve;
ENTITY line;
pnt | : | cartesian_point;
dir | : | vector;
END_ENTITY;