Documentation for Geography Markup Language
Definition Type: Element
Name: ConventionalUnit
Namespace: http://www.opengis.net/gml/3.2
Type: gml:ConventionalUnitType
Containing Schema: units.xsd
Abstract
Documentation:
Conventional units that are neither base units nor defined by direct combination of base units are used in many application domains. For example electronVolt for energy, feet and nautical miles for length. In most cases there is a known, usually linear, conversion to a preferred unit which is either a base unit or derived by direct combination of base units. The gml:ConventionalUnit extends gml:UnitDefinition with a property that describes a conversion to a preferred unit for this physical quantity. When the conversion is exact, the element gml:conversionToPreferredUnit should be used, or when the conversion is not exact the element gml:roughConversionToPreferredUnit is available. Both of these elements have the same content model. The gml:derivationUnitTerm property defined above is included to allow a user to optionally record how this unit may be derived from other ("more primitive") units.
Collapse XSD Schema Diagram:
Drilldown into derivationUnitTerm in schema units_xsd Drilldown into roughConversionToPreferredUnit in schema units_xsd Drilldown into conversionToPreferredUnit in schema units_xsd Drilldown into catalogSymbol in schema units_xsd Drilldown into quantityTypeReference in schema units_xsd Drilldown into quantityType in schema units_xsd Drilldown into remarks in schema dictionary_xsd Drilldown into name in schema gmlbase_xsd Drilldown into identifier in schema gmlbase_xsd Drilldown into descriptionReference in schema gmlbase_xsd Drilldown into description in schema gmlbase_xsd Drilldown into metaDataProperty in schema deprecatedtypes_xsd Drilldown into StandardObjectProperties in schema gmlbase_xsd Drilldown into id in schema gmlbase_xsd Drilldown into DefinitionBaseType in schema dictionary_xsd Drilldown into DefinitionType in schema dictionary_xsd Drilldown into UnitDefinitionType in schema units_xsd Drilldown into ConventionalUnitType in schema units_xsdXSD Diagram of ConventionalUnit in schema units_xsd (Geography Markup Language)
Collapse XSD Schema Code: 
<element name="ConventionalUnit" type="gml:ConventionalUnitType" substitutionGroup="gml:UnitDefinition">
    <annotation>
        <documentation>Conventional units that are neither base units nor defined by direct combination of base units are used in many application domains.  For example electronVolt for energy, feet and nautical miles for length.  In most cases there is a known, usually linear, conversion to a preferred unit which is either a base unit or derived by direct combination of base units.
The gml:ConventionalUnit extends gml:UnitDefinition with a property that describes a conversion to a preferred unit for this physical quantity.  When the conversion is exact, the element gml:conversionToPreferredUnit should be used, or when the conversion is not exact the element gml:roughConversionToPreferredUnit is available. Both of these elements have the same content model.  The gml:derivationUnitTerm property defined above is included to allow a user to optionally record how this unit may be derived from other ("more primitive") units.</documentation>
    </annotation>
</element>
Collapse Child Elements:
Name Type Min Occurs Max Occurs
metaDataProperty gml:metaDataProperty 0 unbounded
description gml:description 0 (1)
descriptionReference gml:descriptionReference 0 (1)
identifier gml:identifier 0 (1)
name gml:name 0 unbounded
metaDataProperty gml:metaDataProperty 0 unbounded
description gml:description 0 (1)
descriptionReference gml:descriptionReference 0 (1)
identifier gml:identifier (1) (1)
name gml:name 0 unbounded
remarks gml:remarks 0 (1)
quantityType gml:quantityType 0 (1)
quantityTypeReference gml:quantityTypeReference 0 (1)
catalogSymbol gml:catalogSymbol 0 (1)
conversionToPreferredUnit gml:conversionToPreferredUnit (1) (1)
roughConversionToPreferredUnit gml:roughConversionToPreferredUnit (1) (1)
derivationUnitTerm gml:derivationUnitTerm 0 unbounded
<xs:group> gml:StandardObjectProperties (1) (1)
Collapse Child Attributes:
Name Type Default Value Use
id gml:id Required
Collapse Derivation Tree:
Collapse References:
gml:UnitDefinition
Documentation for Geography Markup Language

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