<xs:element name="MaterialModifier" type="MaterialModifierEnumType"><xs:annotation><xs:documentation>The MaterialModifier element is the material condition or material boundary modifier for the datum feature.</xs:documentation></xs:annotation></xs:element>
The optional SubstituteFeatureAlgorithm element is the substitute feature data fitting algorithm for the datum feature. This setting overrides any substitute feature algorithm defined on the datum feature nominal or datum feature item for the purpose of establishing a datum reference frame.
<xs:element name="SubstituteFeatureAlgorithm" type="SubstituteFeatureAlgorithmType" minOccurs="0"><xs:annotation><xs:documentation>The optional SubstituteFeatureAlgorithm element is the substitute feature data fitting algorithm for the datum feature. This setting overrides any substitute feature algorithm defined on the datum feature nominal or datum feature item for the purpose of establishing a datum reference frame.</xs:documentation></xs:annotation></xs:element>
<xs:complexType name="MeasuredDatumFeatureType"><xs:annotation><xs:documentation>The MeasuredDatumFeatureType defines a DatumFeatureBaseType in which the datum feature is to be established from the measured feature.</xs:documentation></xs:annotation><xs:complexContent><xs:extension base="DatumFeatureBaseType"><xs:sequence><xs:element name="MaterialModifier" type="MaterialModifierEnumType"><xs:annotation><xs:documentation>The MaterialModifier element is the material condition or material boundary modifier for the datum feature.</xs:documentation></xs:annotation></xs:element><xs:element name="SubstituteFeatureAlgorithm" type="SubstituteFeatureAlgorithmType" minOccurs="0"><xs:annotation><xs:documentation>The optional SubstituteFeatureAlgorithm element is the substitute feature data fitting algorithm for the datum feature. This setting overrides any substitute feature algorithm defined on the datum feature nominal or datum feature item for the purpose of establishing a datum reference frame.</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:extension></xs:complexContent></xs:complexType>