XMP Metadata Structure

XMP metadata is the standardized metadata format created by Adobe Systems, Inc. XMP defines a hierarchic metadata model that can be used for storing non-pixel data associated with images.

A short description of the elements supported in XMP metadata is described below.

XMP Root Level

Name	Id	Type	Level Type	Value Type
<Schema namespace URI 1>	ImGearXMPTagIDs.Description	Tree	XMP Schema	N/A
<Schema namespace URI 1>	ImGearXMPTagIDs.Description	Tree	XMP Schema	N/A
...

XMP Schema Level

Name	Id	Type	Level Type	Value Type
About	ImGearXMPTagIDs.About	Leaf	N/A	String
Namespace	ImGearXMPCommonTagIDs. Namespace	Tree	XMP Namespace	N/A
Namespace URI	ImGearXMPCommonTagIDs.NamespaceURI	Leaf	N/A	String
Properties	ImGearXMPCommonTagIDs.Properties	Tree	XMP Property Collection	N/A

XMP Namespace Level

Name	Id	Type	Level Type	Value Type
Prefix	ImGearXMPTagIDs.Prefix	Leaf	N/A	String
URI	ImGearXMPTagIDs.URI	Leaf	N/A	String

XMP Property Collection Level

Name	Id	Type	Level Type	Value Type
<Property 1 name>	ImGearXMPTagIDs.Property	Tree	XMP Simple Property / XMP Array / XMP Structure	N/A
<Property 2 name>	ImGearXMPTagIDs.Property	Tree	XMP Simple Property, XMP Array/Structure property	N/A
...

XMP Simple Property Level

Name	Id	Type	Level Type	Value Type
Value	ImGearXMPropertyTagIDs.Value	Leaf	N/A	<Value type>
Qualifiers	ImGearXMPropertyTagIDs.Qualifiers	Tree	XMP Qualifiers collection	N/A

XMP Array Level

Name	Id	Type	Level Type	Value Type
Bag / Seq / Alt	ImGearXMPropertyTagIDs.Bag / ImGearXMPropertyTagIDs.Seq / ImGearXMPropertyTagIDs.Alt	Tree	XMP Array items level	N/A

XMP Array Items Level

Name	Id	Type	Level Type	Value Type
Item	ImGearXMPropertyTagIDs.Item	Tree	XMP Simple Property / XMP Language Alternative Property / XMP Structure	<N/A>
Item	ImGearXMPropertyTagIDs.Item	Tree	XMP Simple Property / XMP Language Alternative Property / XMP Structure	<N/A>
...

XMP Language Alternative Property Level

Name	Id	Type	Level Type	Value Type
Value	ImGearXMPropertyTagIDs.Value	Leaf	N/A	<Value type>
Lang	ImGearXMPropertyTagIDs.Lang	Leaf	N/A	String

XMP Structure Level

Name	Id	Type	Level Type	Value Type
Struct	ImGearXMPropertyTagIDs.Struct	Tree	XMP Structure items level	N/A

XMP Structure Items Level

Name	Id	Type	Level Type	Value Type
<Field 1 name 1>	ImGearXMPropertyTagIDs.Property	Tree	XMP Simple Property	<N/A>
<Field 2 name>	ImGearXMPropertyTagIDs.Property	Tree	XMP Simple Property	<N/A>
...

XMP Qualifiers Level

Name	Id	Type	Level Type	Value Type
<Qualifier 1 name>	ImGearXMPropertyTagIDs.Qualifier	Tree	XMP Qualifier	<N/A>
<Qualifier 2 name>	ImGearXMPropertyTagIDs.Qualifier	Tree	XMP Qualifier	<N/A>
...

XMP Qualifier Level

Name	Id	Type	Level Type	Value Type
Value	ImGearXMPCommonTagIDs.Value	Leaf	N/A	<Value type>