Schema Central > NIEM 3.1 > observation.xsd > gml:DirectedObservationAtDistance
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gml:DirectedObservationAtDistance

gml:DirectedObservationAtDistance adds an additional distance property. This is the distance from the observer to the subject of the observation. Clearly this applies only to certain types of observations such as visual observations by people, or observations obtained from terrestrial cameras.

Element information

Content

Attributes

NameOccTypeDescriptionNotes
gml:id [1..1]xsd:IDThe 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.from type gml:AbstractGMLType

Used in

Substitution hierarchy

Sample instance

<gml:DirectedObservationAtDistance gml:id="ID">
   <gml:metaDataProperty>
      <gml:GenericMetaData>Any text, intermingled with:
         <!--any element-->
      </gml:GenericMetaData>
   </gml:metaDataProperty>
   <gml:description>string</gml:description>
   <gml:descriptionReference/>
   <gml:identifier codeSpace="http://www.example.com/">string</gml:identifier>
   <gml:name>string</gml:name>
   <gml:boundedBy>
      <gml:Envelope>
         <gml:lowerCorner>1.0 1.0</gml:lowerCorner>
         <gml:upperCorner>1.0 1.0</gml:upperCorner>
      </gml:Envelope>
   </gml:boundedBy>
   <gml:location>
      <gml:MultiGeometry gml:id="ID">
         <gml:metaDataProperty>...
         </gml:metaDataProperty>
         <gml:description>string</gml:description>
         <gml:descriptionReference/>
         <gml:identifier codeSpace="http://www.example.com/">string</gml:identifier>
         <gml:name>string</gml:name>
         <gml:geometryMember>...
         </gml:geometryMember>
         <gml:geometryMembers>...
         </gml:geometryMembers>
      </gml:MultiGeometry>
   </gml:location>
   <gml:validTime>
      <gml:TimeInstant gml:id="ID">
         <gml:metaDataProperty>...
         </gml:metaDataProperty>
         <gml:description>string</gml:description>
         <gml:descriptionReference/>
         <gml:identifier codeSpace="http://www.example.com/">string</gml:identifier>
         <gml:name>string</gml:name>
         <gml:relatedTime>...
         </gml:relatedTime>
         <gml:timePosition>12:00:00</gml:timePosition>
      </gml:TimeInstant>
   </gml:validTime>
   <gml:using>
      <gml:MultiPointCoverage gml:id="ID">
         <gml:metaDataProperty>...
         </gml:metaDataProperty>
         <gml:description>string</gml:description>
         <gml:descriptionReference/>
         <gml:identifier codeSpace="http://www.example.com/">string</gml:identifier>
         <gml:name>string</gml:name>
         <gml:boundedBy>...
         </gml:boundedBy>
         <gml:location>...
         </gml:location>
         <gml:domainSet>...
         </gml:domainSet>
         <gml:rangeSet>...
         </gml:rangeSet>
         <gml:coverageFunction>...
         </gml:coverageFunction>
      </gml:MultiPointCoverage>
   </gml:using>
   <gml:target>
      <gml:MultiPointCoverage gml:id="ID">
         <gml:metaDataProperty>...
         </gml:metaDataProperty>
         <gml:description>string</gml:description>
         <gml:descriptionReference/>
         <gml:identifier codeSpace="http://www.example.com/">string</gml:identifier>
         <gml:name>string</gml:name>
         <gml:boundedBy>...
         </gml:boundedBy>
         <gml:location>...
         </gml:location>
         <gml:domainSet>...
         </gml:domainSet>
         <gml:rangeSet>...
         </gml:rangeSet>
         <gml:coverageFunction>...
         </gml:coverageFunction>
      </gml:MultiPointCoverage>
   </gml:target>
   <gml:resultOf>
      <!--any element-->
   </gml:resultOf>
   <gml:direction>
      <gml:DirectionVector>
         <gml:vector>1.0 1.0</gml:vector>
      </gml:DirectionVector>
   </gml:direction>
   <gml:distance uom="">1.0</gml:distance>
</gml:DirectedObservationAtDistance>

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