Schema Central > niem41 > coordinateSystems.xsd > gml:VerticalCS
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gml:VerticalCS

gml:VerticalCS is a one-dimensional coordinate system used to record the heights or depths of points. Such a coordinate system is usually dependent on the Earth's gravity field, perhaps loosely as when atmospheric pressure is the basis for the vertical coordinate system axis. A VerticalCS shall have one gml:axis property element.

Element information

Type: gml:VerticalCSType

Properties: Global, Qualified

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:DefinitionBaseType
aggregationType [0..1]gml:AggregationTypefrom group gml:AggregationAttributeGroup

Substitution hierarchy

Sample instance

<gml:VerticalCS 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:remarks>string</gml:remarks>
   <gml:axis>
      <gml:CoordinateSystemAxis gml:id="ID" uom="">
         <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:remarks>string</gml:remarks>
         <gml:axisAbbrev>string</gml:axisAbbrev>
         <gml:axisDirection codeSpace="http://www.example.com/">string</gml:axisDirection>
         <gml:minimumValue>1.0</gml:minimumValue>
         <gml:maximumValue>1.0</gml:maximumValue>
         <gml:rangeMeaning codeSpace="http://www.example.com/">string</gml:rangeMeaning>
      </gml:CoordinateSystemAxis>
   </gml:axis>
</gml:VerticalCS>