Schema documentation for component gml:TimePeriod

gml:TimePeriod acts as a one-dimensional geometric primitive that represents an identifiable extent in time. The location in of a gml:TimePeriod is described by the temporal positions of the instants at which it begins and ends. The length of the period is equal to the temporal distance between the two bounding temporal positions. Both beginning and end may be described in terms of their direct position using gml:TimePositionType which is an XML Schema simple content type, or by reference to an indentifiable time instant using gml:TimeInstantPropertyType. Alternatively a limit of a gml:TimePeriod may use the conventional GML property model to make a reference to a time instant described elsewhere, or a limit may be indicated as a direct position.

<gml:TimePeriod frame="#ISO-8601" gml:id="" xmlns:gml="http://www.opengis.net/gml/3.2">
  <gml:description xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple">{0,1}</gml:description>
  <gml:descriptionReference xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" owns="false" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple">{0,1}</gml:descriptionReference>
  <gml:identifier codeSpace="">{0,1}</gml:identifier>
  <gml:name codeSpace="">{0,unbounded}</gml:name>
  <gml:relatedTime xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" owns="false" relativePosition="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple">{0,unbounded}</gml:relatedTime>
  <gml:beginPosition calendarEraName="" frame="#ISO-8601" indeterminatePosition="">{1,1}</gml:beginPosition>
  <gml:begin xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" owns="false" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple">{1,1}</gml:begin>
  <gml:endPosition calendarEraName="" frame="#ISO-8601" indeterminatePosition="">{1,1}</gml:endPosition>
  <gml:end xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" owns="false" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple">{1,1}</gml:end>
  <gml:duration>{1,1}</gml:duration>
  <gml:timeInterval factor="" radix="" unit="">{1,1}</gml:timeInterval>
</gml:TimePeriod>

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.

<element name="TimePeriod" type="gml:TimePeriodType" substitutionGroup="gml:AbstractTimeGeometricPrimitive"> <annotation> <documentation>gml:TimePeriod acts as a one-dimensional geometric primitive that represents an identifiable extent in time. The location in of a gml:TimePeriod is described by the temporal positions of the instants at which it begins and ends. The length of the period is equal to the temporal distance between the two bounding temporal positions. Both beginning and end may be described in terms of their direct position using gml:TimePositionType which is an XML Schema simple content type, or by reference to an indentifiable time instant using gml:TimeInstantPropertyType. Alternatively a limit of a gml:TimePeriod may use the conventional GML property model to make a reference to a time instant described elsewhere, or a limit may be indicated as a direct position.</documentation> </annotation> </element>

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