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Annotations
Attributes
Diagrams
Instances
Properties
Source
Used by
Element gml:TimeClock
Namespace http://www.opengis.net/gml/3.2
Annotations
A clock provides a basis for defining temporal position within a day. A clock shall be used with a calendar in order to provide a complete description of a temporal position within a specific day.
gml:TimeClock adds the following properties to those inherited from gml:TimeReferenceSystemType:
-	gml:referenceEvent is the name or description of an event, such as solar noon or sunrise, which fixes the position of the base scale of the clock.
-	gml:referenceTime specifies the time of day associated with the reference event expressed as a time of day in the given clock. The reference time is usually the origin of the clock scale. 
-	gml:utcReference specifies the 24 hour local or UTC time that corresponds to the reference time.
-	gml:dateBasis contains or references the calendars that use this clock.
Diagram
Diagram index2.tmp#id78 index3.tmp#id72 index4.tmp#id93 index5.tmp#id95 index6.tmp#id99 index7.tmp#id104 index8.tmp#id71 index9.tmp#id70 index2.tmp#id78 index3.tmp#id72 index4.tmp#id93 index5.tmp#id95 index6.tmp#id99 index7.tmp#id104 index87.tmp#id607 index88.tmp#id608 index89.tmp#id606 index476.tmp#id1942 index476.tmp#id1941 index513.tmp#id1958 index513.tmp#id1959 index513.tmp#id1960 index513.tmp#id1961 index513.tmp#id1957
Type gml:TimeClockType
Type hierarchy
Properties
content: complex
Used by
Model gml:metaDataProperty* , gml:description{0,1} , gml:descriptionReference{0,1} , gml:identifier , gml:name* , gml:remarks{0,1} , gml:domainOfValidity , gml:referenceEvent , gml:referenceTime , gml:utcReference , gml:dateBasis*
Children gml:dateBasis, gml:description, gml:descriptionReference, gml:domainOfValidity, gml:identifier, gml:metaDataProperty, gml:name, gml:referenceEvent, gml:referenceTime, gml:remarks, gml:utcReference
Instance
<gml:TimeClock 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="">{1,1}</gml:identifier>
  <gml:name codeSpace="">{0,unbounded}</gml:name>
</gml:TimeClock>
Attributes
QName Type Fixed Default Use Annotation
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="TimeClock" type="gml:TimeClockType" substitutionGroup="gml:TimeReferenceSystem">
  <annotation>
    <documentation>A clock provides a basis for defining temporal position within a day. A clock shall be used with a calendar in order to provide a complete description of a temporal position within a specific day. gml:TimeClock adds the following properties to those inherited from gml:TimeReferenceSystemType: - gml:referenceEvent is the name or description of an event, such as solar noon or sunrise, which fixes the position of the base scale of the clock. - gml:referenceTime specifies the time of day associated with the reference event expressed as a time of day in the given clock. The reference time is usually the origin of the clock scale. - gml:utcReference specifies the 24 hour local or UTC time that corresponds to the reference time. - gml:dateBasis contains or references the calendars that use this clock.</documentation>
  </annotation>
</element>
Schema location http://schemas.opengis.net/gml/3.2.1/temporalReferenceSystems.xsd