Schema documentation for component diggs:subjectRef

A reference to the feature or object that the parameter value describes, for example a geotechnical unit, a material or a sampling feature. Optional because the subject is sometimes evident from the object or property that holds the parameter; state it explicitly wherever that context is not enough to identify the subject unambiguously.

The gml:identifier value of the referenced feature, as a fully qualified value. It gives an alternative to the gml:id in xlink:href for finding the referenced feature, mainly to reference a feature by a globally unique identifier and where naming conflicts occur with gml:id when accessing data in external files.

<element minOccurs="0" maxOccurs="1" name="subjectRef" type="diggs:FeatureReferenceType"> <annotation> <documentation>A reference to the feature or object that the parameter value describes, for example a geotechnical unit, a material or a sampling feature. Optional because the subject is sometimes evident from the object or property that holds the parameter; state it explicitly wherever that context is not enough to identify the subject unambiguously.</documentation> </annotation> </element>

QName

Type

Use

codeSpace

anyURI

optional

<element minOccurs="0" maxOccurs="1" name="derivation" type="gml:CodeType"> <annotation> <documentation>How the value was derived from its source or sources, for example characteristic, mean, lower-bound, correlated or assumed. No DIGGS-authored dictionary currently exists for this element.</documentation> </annotation> </element>

Database handle for the object. It is of XML type ID, so is constrained to be unique in the XML document within which it occurs. An external identifier for the object in the form of a URI may be constructed using standard XML and XPointer methods. This is done by concatenating the URI for the document, a fragment separator, and the value of the id attribute.

<complexType name="ProvenancedParameterType">
  <annotation>
    <documentation>Type for an authorized parameter that also states the subject and source of its value. Extends diggs:AuthorizedParameterType.</documentation>
  </annotation>
  <complexContent>
    <extension base="diggs:AuthorizedParameterType">
      <sequence>
        <element minOccurs="0" maxOccurs="1" name="subjectRef" type="diggs:FeatureReferenceType">
          <annotation>
            <documentation>A reference to the feature or object that the parameter value describes, for example a geotechnical unit, a material or a sampling feature. Optional because the subject is sometimes evident from the object or property that holds the parameter; state it explicitly wherever that context is not enough to identify the subject unambiguously.</documentation>
          </annotation>
        </element>
        <element minOccurs="0" maxOccurs="1" name="derivation" type="gml:CodeType">
          <annotation>
            <documentation>How the value was derived from its source or sources, for example characteristic, mean, lower-bound, correlated or assumed. No DIGGS-authored dictionary currently exists for this element.</documentation>
          </annotation>
        </element>
        <choice minOccurs="0">
          <annotation>
            <documentation>A reference to what provides this value's provenance - one kind of source, repeated as needed; a value derived from sources of more than one kind states each as a separate diggs:ProvenancedParameter.</documentation>
          </annotation>
          <element maxOccurs="unbounded" ref="diggs:sourceMeasurementRef"/>
          <element maxOccurs="unbounded" ref="diggs:sourceObservationRef"/>
          <element maxOccurs="unbounded" ref="diggs:sourceSamplingFeatureRef"/>
        </choice>
      </sequence>
    </extension>
  </complexContent>
</complexType>

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