gml:verticalCRSRef
Element information
Namespace: http://www.opengis.net/gml/3.2
Schema document: external/ogc/gml/3.2.1/deprecatedTypes.xsd
Type: gml:VerticalCRSPropertyType
Properties: Global, Qualified
Content
- Choice [0..1]
- gml:VerticalCRSgml:VerticalCRS is a 1D coordinate reference system used for recording heights or depths. Vertical CRSs make use of the direction of gravity to define the concept of height or depth, but the relationship with gravity may not be straightforward. By implication, ellipsoidal heights (h) cannot be captured in a vertical coordinate reference system. Ellipsoidal heights cannot exist independently, but only as an inseparable part of a 3D coordinate tuple defined in a geographic 3D coordinate reference system.
- gmx:ML_VerticalCRS
from subst. group gml:VerticalCRS
Attributes
| Name | Occ | Type | Description | Notes |
|---|---|---|---|---|
| nilReason | [0..1] | gml:NilReasonType | from group gml:AssociationAttributeGroup | |
| gml:remoteSchema | [0..1] | xsd:anyURI | from group gml:AssociationAttributeGroup |
Sample instance
<gml:verticalCRSRef> <gml:VerticalCRS 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:domainOfValidity> <gmd:EX_Extent>............ </gmd:EX_Extent> </gml:domainOfValidity> <gml:scope>string</gml:scope> <gml:verticalCS> <gml:VerticalCS gml:id="ID">... </gml:VerticalCS> </gml:verticalCS> <gml:verticalDatum> <gml:VerticalDatum gml:id="ID">... </gml:VerticalDatum> </gml:verticalDatum> </gml:VerticalCRS> </gml:verticalCRSRef>