IfcBoundedCurve

IfcBoundedCurve是一条长度有限的曲线。

注:定义根据ISO/CD 10303-42:1992

有界曲线是具有可识别端点的有限弧长曲线。

注:实体改编自ISO10303-42中定义的有界曲线。

在IFC1.0中记录新实体

非正式提议:

①有限长的曲线有界。

②有界曲线有起点和终点。

#AttributeTypeCardinalityDescriptionC
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
IfcCurve
  Dim
:=IfcCurveDim(SELF)
IfcDimensionCount [1:1] The space dimensionality of this abstract class, defined differently for all subtypes, i.e. for IfcLine, IfcConic and IfcBoundedCurve. X
IfcBoundedCurve
      
原文地址:https://www.cnblogs.com/herd/p/13208041.html