
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:
  - 'ISO 3098-1 font A',
 
  - 'ISO 3098-1 font B',
 
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. 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:
        
          
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                  | ENTITY IfcDraughtingPreDefinedTextFont
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                              | WR31
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                               : 
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                              SELF\IfcPreDefinedItem.Name IN ['ISO 3098-1 font A','ISO 3098-1 font B'];
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Formal Propositions:
        
          
            | WR31
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                          The inherited name for pre defined items shall only have the value of one of the following words.
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Inheritance graph
        
          
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                  | ENTITY IfcDraughtingPreDefinedTextFont;
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