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direction

EXPRESS specification:

ENTITY direction
SUBTYPE OF ( geometric_representation_item);
direction_ratios  :  LIST [2:3] OF REAL;
WHERE
WRD10  :  SIZEOF(QUERY(tmp <* direction_ratios | tmp <> 0.0)) > 0;
END_ENTITY;

References (22):

Name Type Referred through Express-G
axis1_placement Entity
Attribute 'axis'
Attribute 'z'
No Diagram
axis2_placement_2d Entity
Attribute 'ref_direction'
Attribute 'p'
No Diagram
axis2_placement_3d Entity
Attribute 'axis'
Attribute 'ref_direction'
Attribute 'p'
No Diagram
cartesian_transformation_operator Entity
Attribute 'axis1'
Attribute 'axis2'
No Diagram
cartesian_transformation_operator_2d Entity
Attribute 'u'
No Diagram
cartesian_transformation_operator_3d Entity
Attribute 'axis3'
Attribute 'u'
No Diagram
coord_system_cylindrical Entity
Attribute 'axes_definition'
No Diagram
coord_system_spherical Entity
Attribute 'axes_definition'
No Diagram
extruded_area_solid Entity
Attribute 'extruded_direction'
No Diagram
extruded_face_solid Entity
Attribute 'extruded_direction'
No Diagram
fixed_reference_swept_surface Entity
Attribute 'fixed_reference'
No Diagram
geometric_representation_item Entity
Subtype
No Diagram
offset_curve_3d Entity
Attribute 'ref_direction'
No Diagram
orientation_select Select
Select relation
No Diagram
vector Entity
Attribute 'orientation'
No Diagram
vector_or_direction Select
Select relation
No Diagram

Inheritance graph

ENTITY direction;
ENTITY representation_item;
name  :  label;
ENTITY geometric_representation_item;
DERIVE
dim  :  dimension_count :=  dimension_of(SELF);
ENTITY direction;
direction_ratios  :  LIST [2:3] OF REAL;
END_ENTITY;