Database handle for the object. It is of XML type ID, so is constrained to beunique in the XML document within which it occurs. An external identifier for the object inthe form of a URI may be constructed using standard XML and XPointer methods. This is doneby concatenating the URI for the document, a fragment separator, and the value of the idattribute.
A legacy attribute to support AGS trial pit sampling featureswhere observations of different stratum may occur at the same depth in apit. It is a reference letter or number whose sole purpose is to linkthe stratum shown on a face sketch of the trial pit to the specificobservation.
Source
<complexType name="OrientationObservationType"><annotation><documentation>Extended type based on AbstractObservationType. Adds elements for orientation observation type definition.</documentation></annotation><complexContent><extension base="diggs:AbstractObservationType"><sequence><element name="orientation" type="diggs:OrientationPropertyType"><annotation><documentation>The orientation property.</documentation></annotation></element><element maxOccurs="unbounded" minOccurs="0" ref="diggs:placedObservation"/><element minOccurs="0" ref="diggs:baseBoundary"><annotation><documentation>Description of the boundary at the base of the observed zone or interval as defined in the observation's location property</documentation></annotation></element></sequence></extension></complexContent></complexType>