IfcTextLiteral

文本文本是一个几何表示项，它使用字符串文本和附加的位置和路径信息来描述文本字符串。文本大小和外观由通过IfcStyledItem与IfcTextLiteral关联的IfcTextStyle确定。

文本字符串放置在子类型IfcTextLiteralWithExtent中定义的平面范围（框）。

注：实体改编自ISO10303-46中定义的文本

IFC2x2中增加的新实体。

IFC2x3更改IfcTextLiteral已通过删除字体和对齐方式进行了更改。

注：不推荐使用IfcTextLiteral，它将成为抽象的。

 

 

 

#	Attribute	Type	Cardinality	Description	C
IfcRepresentationItem
	LayerAssignment	IfcPresentationLayerAssignment @AssignedItems	S[0:1]	Assignment of the representation item to a single or multiple layer(s). The LayerAssignments can override a LayerAssignments of the IfcRepresentation it is used within the list of Items.	X
	StyledByItem	IfcStyledItem @Item	S[0:1]	Reference to the IfcStyledItem that provides presentation information to the representation, e.g. a curve style, including colour and thickness to a geometric curve.	X
IfcGeometricRepresentationItem
IfcTextLiteral
1	Literal	IfcPresentableText	[1:1]	The text literal to be presented.	X
2	Placement	IfcAxis2Placement	[1:1]	An IfcAxis2Placement that determines the placement and orientation of the presented string.	X
3	Path	IfcTextPath	[1:1]	The writing direction of the text literal.	X

 

EXPRESS Specification

ENTITY IfcTextLiteral
 SUPERTYPE OF(IfcTextLiteralWithExtent)
 SUBTYPE OF (IfcGeometricRepresentationItem);
  Literal : IfcPresentableText;
  Placement : IfcAxis2Placement;
  Path : IfcTextPath;
END_ENTITY;