The Axis element gives the nominal location of the start point and the nominal unit cylindrical segment axis vector. The direction of the axis vector points into the cylindrical segment.
<xs:element name="Axis" type="AxisType"><xs:annotation><xs:documentation>The Axis element gives the nominal location of the start point and the nominal unit cylindrical segment axis vector. The direction of the axis vector points into the cylindrical segment.</xs:documentation></xs:annotation></xs:element>
The Sweep element gives the start direction and swept angle for a cylindrical segment. The StartVector of the Sweep must lie in a plane normal to the axis of the cylinder.
<xs:element name="Sweep" type="SweepType"><xs:annotation><xs:documentation>The Sweep element gives the start direction and swept angle for a cylindrical segment. The StartVector of the Sweep must lie in a plane normal to the axis of the cylinder.</xs:documentation></xs:annotation></xs:element>
<xs:element name="Constructed" type="CylindricalSegmentConstructionMethodType" minOccurs="0"><xs:annotation><xs:documentation>The optional Constructed element signifies that the cylindrical segment is constructed and provides details of the construction method.</xs:documentation></xs:annotation></xs:element>
The id attribute is the QIF id of the feature, used for referencing.
Source
<xs:complexType name="CylindricalSegmentFeatureNominalType"><xs:annotation><xs:documentation>The CylindricalSegmentFeatureNominalType defines the cylindrical segment feature nominal information for an individual cylindrical segment feature.</xs:documentation></xs:annotation><xs:complexContent><xs:extension base="SurfaceFeatureNominalBaseType"><xs:sequence><xs:element name="Axis" type="AxisType"><xs:annotation><xs:documentation>The Axis element gives the nominal location of the start point and the nominal unit cylindrical segment axis vector. The direction of the axis vector points into the cylindrical segment.</xs:documentation></xs:annotation></xs:element><xs:element name="Sweep" type="SweepType"><xs:annotation><xs:documentation>The Sweep element gives the start direction and swept angle for a cylindrical segment. The StartVector of the Sweep must lie in a plane normal to the axis of the cylinder.</xs:documentation></xs:annotation></xs:element><xs:element name="Constructed" type="CylindricalSegmentConstructionMethodType" minOccurs="0"><xs:annotation><xs:documentation>The optional Constructed element signifies that the cylindrical segment is constructed and provides details of the construction method.</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:extension></xs:complexContent></xs:complexType>