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Attributes
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Instances
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Used by
Element gml:AbstractTimeSlice
Namespace http://www.opengis.net/gml/3.2
Annotations
To describe an event — an action that occurs at an instant or over an interval of time — GML provides the gml:AbtractTimeSlice element. A timeslice encapsulates the time-varying properties of a dynamic feature -- it shall be extended to represent a time stamped projection of a specific feature. The gml:dataSource property describes how the temporal data was acquired.
A gml:AbstractTimeSlice instance is a GML object that encapsulates updates of the dynamic—or volatile—properties that reflect some change event; it thus includes only those feature properties that have actually changed due to some process.
gml:AbstractTimeSlice basically provides a facility for attribute-level time stamping, in contrast to the object-level time stamping of dynamic feature instances. 
The time slice can thus be viewed as event or process-oriented, whereas a snapshot is more state or structure-oriented. A timeslice has richer causality, whereas a snapshot merely portrays the status of the whole.
Diagram
Diagram index0.tmp#id77 index1.tmp#id71 index2.tmp#id92 index3.tmp#id94 index4.tmp#id98 index5.tmp#id103 index6.tmp#id70 index7.tmp#id69 index207.tmp#id160 index209.tmp#id182 index224.tmp#id181 index1158.tmp#id179 index1218.tmp#id177 index850.tmp#id178 index1094.tmp#id180
Type gml:AbstractTimeSliceType
Type hierarchy
Properties
content: complex
abstract: true
Used by
Model gml:metaDataProperty* , gml:description{0,1} , gml:descriptionReference{0,1} , gml:identifier{0,1} , gml:name* , gml:validTime , gml:dataSource{0,1}
Children gml:dataSource, gml:description, gml:descriptionReference, gml:identifier, gml:metaDataProperty, gml:name, gml:validTime
Instance
<gml:AbstractTimeSlice 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:AbstractTimeSlice>
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="AbstractTimeSlice" type="gml:AbstractTimeSliceType" abstract="true" substitutionGroup="gml:AbstractGML">
  <annotation>
    <documentation>To describe an event — an action that occurs at an instant or over an interval of time — GML provides the gml:AbtractTimeSlice element. A timeslice encapsulates the time-varying properties of a dynamic feature -- it shall be extended to represent a time stamped projection of a specific feature. The gml:dataSource property describes how the temporal data was acquired. A gml:AbstractTimeSlice instance is a GML object that encapsulates updates of the dynamic—or volatile—properties that reflect some change event; it thus includes only those feature properties that have actually changed due to some process. gml:AbstractTimeSlice basically provides a facility for attribute-level time stamping, in contrast to the object-level time stamping of dynamic feature instances. The time slice can thus be viewed as event or process-oriented, whereas a snapshot is more state or structure-oriented. A timeslice has richer causality, whereas a snapshot merely portrays the status of the whole.</documentation>
  </annotation>
</element>
Schema location http://schemas.opengis.net/gml/3.2.1/dynamicFeature.xsd