5.4.2.2 IfcAnnotationTypeEnum
5.4.2.2.1 Semantic definition
This enumeration defines the different types of Annotation elements an IfcAnnotation object can represent.
5.4.2.2.2 Type values
| Type | Description | 
|---|---|
CONTOURLINE
 | 
 Annotation used to illustrate lines connecting points of equal elevation or depth, on a map or chart.  | 
DIMENSION
 | 
 Annotation used to illustrate the measurement or size of an object, often accompanied by numerical values.  | 
ISOBAR
 | 
 Annotation used to illustrate lines connecting points of equal pressure on a map or chart.  | 
ISOLUX
 | 
 Annotation used to illustrate lines connecting points of equal illuminance or light intensity.  | 
ISOTHERM
 | 
 Annotation used to illustrate lines connecting points of equal temperature on a map or chart.  | 
LEADER
 | 
 Annotation that includes a line or arrow.  | 
SURVEY
 | 
 Annotation used for survey information, such as survey points, survey lines or survey areas.  | 
SYMBOL
 | 
 Annotation that employs graphical symbols or icons to represent specific meanings.  | 
TEXT
 | 
 A textual annotation.  | 
USERDEFINED
 | 
 User-defined type  | 
NOTDEFINED
 | 
 Undefined type.  | 
5.4.2.2.3 Formal representation
TYPE IfcAnnotationTypeEnum = ENUMERATION OF
	(CONTOURLINE
	,DIMENSION
	,ISOBAR
	,ISOLUX
	,ISOTHERM
	,LEADER
	,SURVEY
	,SYMBOL
	,TEXT
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;