IfcAlignmentHorizontalSegmentTypeEnum

Natural language names
Change log
ItemSPFXMLChangeDescription
IFC4.3 RC1 to IFC4.3 RC2
    IfcAlignmentHorizontalSegmentTypeEnumADDED
Semantic definitions at the type
Type definition
Enumeration definition
ConstantDescription
LINEStraight connection between two points.
CIRCULARARCCircular arc transiiton.
CLOTHOIDClothoid transition.
CUBICSPIRALCubic spiral transition.
BIQUADRATICPARABOLABloss transition. NOTE  also referred to as Schramm curve.
BLOSSCURVEBloss transition.
COSINECURVECosine transition.
SINECURVESine transition. NOTE  also referred to as Klein curve.
VIENNESEBEND
Formal representations
XML Specification
 <xs:simpleType name="IfcAlignmentHorizontalSegmentTypeEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="line"/>
   <xs:enumeration value="circulararc"/>
   <xs:enumeration value="clothoid"/>
   <xs:enumeration value="cubicspiral"/>
   <xs:enumeration value="biquadraticparabola"/>
   <xs:enumeration value="blosscurve"/>
   <xs:enumeration value="cosinecurve"/>
   <xs:enumeration value="sinecurve"/>
   <xs:enumeration value="viennesebend"/>
  </xs:restriction>
 </xs:simpleType>
EXPRESS Specification
TYPE IfcAlignmentHorizontalSegmentTypeEnum = ENUMERATION OF (
 LINE,
 CIRCULARARC,
 CLOTHOID,
 CUBICSPIRAL,
 BIQUADRATICPARABOLA,
 BLOSSCURVE,
 COSINECURVE,
 SINECURVE,
 VIENNESEBEND);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcAlignmentHorizontalSegment

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