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parabola

EXPRESS specification:

ENTITY parabola
SUBTYPE OF ( conic);
focal_dist  :  length_measure;
WHERE
WRP1  :  focal_dist <> 0.0;
END_ENTITY;

References (1):

Name Type Referred through Express-G
conic Entity
Subtype
No Diagram

Inheritance graph

ENTITY parabola;
ENTITY representation_item;
name  :  label;
ENTITY geometric_representation_item;
DERIVE
dim  :  dimension_count :=  dimension_of(SELF);
ENTITY curve;
ENTITY conic;
position  :  axis2_placement;
ENTITY parabola;
focal_dist  :  length_measure;
END_ENTITY;