Schema documentation for component gml:UnitDefinitionType

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Annotations

Attributes

Diagrams

Source

Used by

Complex Type gml:UnitDefinitionType

Namespace

http://www.opengis.net/gml

Annotations

Definition of a unit of measure (or uom). The definition includes a quantityType property, which indicates the phenomenon to which the units apply, and a catalogSymbol, which gives the short symbol used for this unit. This element is used when the relationship of this unit to other units or units systems is unknown.

Diagram

Type

extension of gml:DefinitionType

Type hierarchy

gml:AbstractGMLType
- gml:DefinitionType
  - gml:UnitDefinitionType

Used by

Element	gml:UnitDefinition
Complex Types	gml:BaseUnitType, gml:ConventionalUnitType, gml:DerivedUnitType

Model

gml:metaDataProperty* , gml:description{0,1} , gml:name+ , gml:quantityType , gml:catalogSymbol{0,1}

Children

gml:catalogSymbol, gml:description, gml:metaDataProperty, gml:name, gml:quantityType

Attributes

QName

Type

Fixed

Default

Use

Annotation

gml:id

required

Database handle for the object.  It is of XML type ID, so is constrained to be unique in the XML document within which it occurs.  An external identifier for the object in the form of a URI may be constructed using standard XML and XPointer methods.  This is done by concatenating the URI for the document, a fragment separator, and the value of the id attribute.

Source

<complexType name="UnitDefinitionType">
  <annotation>
    <documentation>Definition of a unit of measure (or uom). The definition includes a quantityType property, which indicates the phenomenon to which the units apply, and a catalogSymbol, which gives the short symbol used for this unit. This element is used when the relationship of this unit to other units or units systems is unknown.</documentation>
  </annotation>
  <complexContent>
    <extension base="gml:DefinitionType">
      <sequence>
        <element ref="gml:quantityType"/>
        <element ref="gml:catalogSymbol" minOccurs="0"/>
      </sequence>
    </extension>
  </complexContent>
</complexType>

Schema location

http://schemas.opengis.net/gml/3.1.1/base/units.xsd