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Annotations
Attributes
Diagrams
Instances
Properties
Source
Used by
Element gml:TimePeriod
Namespace http://www.opengis.net/gml/3.2
Annotations
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.
Diagram
Diagram index33.tmp#id78 index34.tmp#id72 index35.tmp#id100 index36.tmp#id102 index37.tmp#id106 index38.tmp#id111 index39.tmp#id71 index40.tmp#id70 index691.tmp#id177 index826.tmp#id178 index826.tmp#id176 index836.tmp#id767 index836.tmp#id766 index1314.tmp#id772 index1314.tmp#id773 index1314.tmp#id774 index1314.tmp#id775 index3.tmp#id777 index4.tmp#id778 index1315.tmp#id776 index1314.tmp#id771
Type gml:TimePeriodType
Type hierarchy
Properties
content: complex
Used by
Model gml:metaDataProperty* , gml:description{0,1} , gml:descriptionReference{0,1} , gml:identifier{0,1} , gml:name* , gml:relatedTime* , (gml:beginPosition | gml:begin) , (gml:endPosition | gml:end) , (gml:duration | gml:timeInterval)
Children gml:begin, gml:beginPosition, gml:description, gml:descriptionReference, gml:duration, gml:end, gml:endPosition, gml:identifier, gml:metaDataProperty, gml:name, gml:relatedTime, gml:timeInterval
Instance
<gml:TimePeriod frame="#ISO-8601" gml:id="">
  <gml:metaDataProperty about="" xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" gml:remoteSchema="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple">{0,unbounded}</gml:metaDataProperty>
  <gml:description xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" gml:remoteSchema="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple">{0,1}</gml:description>
  <gml:descriptionReference xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" owns="false" gml:remoteSchema="" 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:TimePeriod>
Attributes
QName Type Fixed Default Use Annotation
frame anyURI #ISO-8601 optional
gml:id ID required
The attribute gml:id supports provision of a handle for the XML element representing a GML Object. Its use is mandatory for all GML objects. It is of XML type ID, so is constrained to be unique in the XML document within which it occurs.
Source
<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>
Schema location http://schemas.opengis.net/gml/3.2.1/temporal.xsd