group PositionUnion

diagram
namespace	http://www.opengis.net/sensorML/2.0
children	swe:Text gml:Point swe:Vector swe:DataRecord swe:DataArray sml:AbstractProcess
used by	complexType  PositionUnionPropertyType
annotation	documentation A choice of elements for defining spatial state (e.g. location, orientation, linear/angular velocity and linear/angular acceleration.
source	<group name="PositionUnion">   <annotation>     <documentation>A choice of elements for defining spatial state (e.g. location, orientation, linear/angular velocity and linear/angular acceleration.</documentation>   </annotation>   <choice>     <element ref="swe:Text">       <annotation>         <documentation>Provides positional information in textual form (e.g. "located on the intake line before the catalytic converter"); shall only be used when a more precise location is unknown or irrelevant.</documentation>       </annotation>     </element>     <element ref="gml:Point">       <annotation>         <documentation>Provides static location only using a gml:Point element.</documentation>       </annotation>     </element>     <element ref="swe:Vector">       <annotation>         <documentation>Provides a static location using a swe:Vector.</documentation>       </annotation>     </element>     <element ref="swe:DataRecord">       <annotation>         <documentation>Provides location and orientation as a DataRecord consisting of one or two Vector elements.</documentation>       </annotation>     </element>     <element ref="swe:DataArray">       <annotation>         <documentation>Provides time-tagged dynamic state information that can include, for instance, location, orientation, velocity, acceleration, angular velocity, angular acceleration; shall be a DataArray consisting of a DataRecord element of multiple Vector fields.</documentation>       </annotation>     </element>     <element ref="sml:AbstractProcess">       <annotation>         <documentation>Provides for positional information to be provided by a process; example processes could include a physical sensor such as a GPS, a computational process such as an orbital propagation model, a specific web service such as a SOS, or any process who's output provides positional information.</documentation>       </annotation>     </element>   </choice> </group>

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