Documentation for Geography Markup Language
Definition Type: ComplexType
Name: TransformationType
Namespace: http://www.opengis.net/gml
Type: gml:AbstractGeneralTransformationType
Containing Schema: coordinateOperations.xsd
Abstract
Documentation:
A concrete operation on coordinates that usually includes a change of datum. The parameters of a coordinate transformation are empirically derived from data containing the coordinates of a series of points in both coordinate reference systems. This computational process is usually "over-determined", allowing derivation of error (or accuracy) estimates for the transformation. Also, the stochastic nature of the parameters may result in multiple (different) versions of the same coordinate transformation. This concrete complexType can be used for operation methods, without using an Application Schema that defines operation-method-specialized element names and contents. This abstract complexType can be used, extended, or restricted for well-known operation methods, especially for methods with only one Transformation instance.
Collapse XSD Schema Diagram:
Drilldown into usesValue in schema coordinateoperations_xsd Drilldown into usesMethod in schema coordinateoperations_xsd Drilldown into targetCRS in schema coordinateoperations_xsd Drilldown into sourceCRS in schema coordinateoperations_xsd Drilldown into _positionalAccuracy in schema dataquality_xsd Drilldown into scope in schema referencesystems_xsd Drilldown into validArea in schema referencesystems_xsd Drilldown into operationVersion in schema coordinateoperations_xsd Drilldown into coordinateOperationID in schema coordinateoperations_xsd Drilldown into coordinateOperationName in schema coordinateoperations_xsd Drilldown into remarks in schema referencesystems_xsd Drilldown into metaDataProperty in schema gmlbase_xsd Drilldown into id in schema gmlbase_xsd Drilldown into AbstractGeneralTransformationType in schema coordinateoperations_xsdXSD Diagram of TransformationType in schema coordinateoperations_xsd (Geography Markup Language)
Collapse XSD Schema Code: 
<complexType name="TransformationType">
    <annotation>
        <documentation>A concrete operation on coordinates that usually includes a change of datum. The parameters of a coordinate transformation are empirically derived from data containing the coordinates of a series of points in both coordinate reference systems. This computational process is usually "over-determined", allowing derivation of error (or accuracy) estimates for the transformation. Also, the stochastic nature of the parameters may result in multiple (different) versions of the same coordinate transformation.

This concrete complexType can be used for operation methods, without using an Application Schema that defines operation-method-specialized element names and contents. This abstract complexType can be used, extended, or restricted for well-known operation methods, especially for methods with only one Transformation instance. </documentation>
    </annotation>
    <complexContent>
        <extension base="gml:AbstractGeneralTransformationType">
            <sequence>
                <element ref="gml:usesMethod" />
                <element ref="gml:usesValue" minOccurs="0" maxOccurs="unbounded" />
            </sequence>
        </extension>
    </complexContent>
</complexType>
Collapse Child Elements:
Name Type Min Occurs Max Occurs
metaDataProperty gml:metaDataProperty 0 unbounded
description gml:description 0 (1)
name gml:name 0 unbounded
metaDataProperty gml:metaDataProperty 0 unbounded
description gml:description 0 (1)
name gml:name (1) unbounded
metaDataProperty gml:metaDataProperty 0 unbounded
remarks gml:remarks 0 (1)
coordinateOperationName gml:coordinateOperationName (1) (1)
coordinateOperationID gml:coordinateOperationID 0 unbounded
operationVersion gml:operationVersion 0 (1)
validArea gml:validArea 0 (1)
scope gml:scope 0 (1)
_positionalAccuracy gml:_positionalAccuracy 0 (1)
sourceCRS gml:sourceCRS 0 (1)
targetCRS gml:targetCRS 0 (1)
metaDataProperty gml:metaDataProperty 0 unbounded
remarks gml:remarks 0 (1)
coordinateOperationName gml:coordinateOperationName (1) (1)
coordinateOperationID gml:coordinateOperationID 0 unbounded
operationVersion gml:operationVersion (1) (1)
validArea gml:validArea 0 (1)
scope gml:scope 0 (1)
_positionalAccuracy gml:_positionalAccuracy 0 (1)
sourceCRS gml:sourceCRS (1) (1)
targetCRS gml:targetCRS (1) (1)
usesMethod gml:usesMethod (1) (1)
usesValue gml:usesValue 0 unbounded
Collapse Child Attributes:
Name Type Default Value Use
id gml:id Required
Collapse Derivation Tree:
Collapse References:
gml:Transformation
Documentation for Geography Markup Language

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