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IfcDraughtingPreDefinedTextFont

Definition from IAI: The draughting pre defined text font is a pre defined text font for the purpose to identify a font by name. Allowable names are:

The ISO 3098-1 font A is the text font as denoted as Letterng A in clause 3 of ISO 3098-1, the ISO 3098-1 font B is the text font as denoted as Letterng B in clause 3 of ISO 3098-1.

NOTE: The IfcDraughtingPreDefinedTextFont is an entity that had been adopted from ISO 10303, Industrial automation systems and integration—Product data representation and exchange, Part 202: Application protocol: Associative draughting.
NOTE: Corresponding STEP name: draughting_pre_defined_text_font. Please refer to ISO/IS 10303-202:1994 page 196 for the final definition of the formal standard.
HISTORY: New entity in Release IFC2x Edition 2.

EXPRESS specification:

ENTITY IfcDraughtingPreDefinedTextFont
SUBTYPE OF ( IfcPreDefinedTextFont);
WHERE
WR31  :  SELF\IfcPreDefinedItem.Name IN ['ISO 3098-1 font A','ISO 3098-1 font B'];
END_ENTITY;

Formal Propositions:

WR31  :  The inherited name for pre defined items shall only have the value of one of the following words.

Inheritance graph

ENTITY IfcDraughtingPreDefinedTextFont;
ENTITY IfcPreDefinedItem;
Name  :  IfcLabel;
ENTITY IfcPreDefinedTextFont;
ENTITY IfcDraughtingPreDefinedTextFont;
END_ENTITY;