Documentation for fieldgml

Complex Type: ImageDatumType

[Table of contents]

Super-types: gml:DefinitionType < AbstractDatumBaseType (by restriction) < AbstractDatumType (by extension) < ImageDatumType (by extension)
Sub-types: None
Name ImageDatumType
Abstract no
Documentation An image datum defines the origin of an image coordinate reference system, and is used in a local context only. For more information, see OGC Abstract Specification Topic 2.
XML Instance Representation
<...
gml:id="[1]">
<gml:datumName> ... </gml:datumName> [1]
<gml:datumID> ... </gml:datumID> [0..*]

'Set of alternative identifications of this datum. The first datumID, if any, is normally the primary identification code, and any others are aliases.'

<gml:remarks> ... </gml:remarks> [0..1]

'Comments on this reference system, including source information.'

<gml:anchorPoint> ... </gml:anchorPoint> [0..1]
<gml:validArea> ... </gml:validArea> [0..1]
<gml:scope> ... </gml:scope> [0..1]
</...>
Diagram
Schema Component Representation
<complexType name="ImageDatumType">
<complexContent>
<extension base=" gml:AbstractDatumType ">
<sequence>
<element ref=" gml:pixelInCell "/>
</sequence>
</extension>
</complexContent>
</complexType>