<xs:element name="DeterminationMode" type="CircularArcMeasurementDeterminationType"><xs:annotation><xs:documentation>The DeterminationMode element is the means by which the circular arc feature measurement is determined.</xs:documentation></xs:annotation></xs:element>
The id attribute is the QIF id of the feature, used for referencing.
Source
<xs:complexType name="CircularArcFeatureItemType"><xs:annotation><xs:documentation>The CircularArcFeatureItemType defines an individual circular arc feature. A circular arc feature is a two dimensional circular segment.</xs:documentation></xs:annotation><xs:complexContent><xs:extension base="CurveFeatureItemBaseType"><xs:sequence><xs:element name="DeterminationMode" type="CircularArcMeasurementDeterminationType"><xs:annotation><xs:documentation>The DeterminationMode element is the means by which the circular arc feature measurement is determined.</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:extension></xs:complexContent></xs:complexType>