Namespace:	{global namespace}
Type:	vs:Coverage
Content:	complex, 3 elements
Defined:	locally at 2 locations in VODataService-v1.0.xsd

XML Representation Summary

Content:

stc:STCResourceProfile?, footprint?, waveband*

</coverage>

Content model elements (3):

Definition Locations

Within global complexTypes (2):
vs:DataCollection [def], vs:DataService [def]

Annotations (2) (by all definition locations)

within vs:DataCollection complexType [def]

Extent of the content of the resource over space, time, and frequency.

Since vs:Coverage is abstract, one must use xsi:type to specify a specific sub-type.

Editor's note: STC metadata is expected to be used to describe coverage; however how this should be done is unclear as over this release. Use of xsi:type allows us to illustrate several approaches without modification to this schema.

within vs:DataService complexType [def]

Extent of the content of the resource over space, time, and frequency.

Note that this definition is a temporary stand-in specification to be used until the STC metadata can be integrated in. Resolution has been folded into coverage as this expected to be the case for the final STC-based version.

Content Element Detail (all declarations; 3)

Type:	vs:ServiceReference, simple content
Defined:	locally within vs:Coverage complexType

a reference to a footprint service for retrieving precise and up-to-date description of coverage.

the ivo-id attribute refers to a Service record that describes the Footprint capability. That is, the record will have a capability element describing the service. The resource refered to may be the current one.

XML Source (see within schema source)

<xs:element minOccurs="0" name="footprint" type="vs:ServiceReference">

<xs:annotation>

<xs:documentation>

a reference to a footprint service for retrieving
precise and up-to-date description of coverage.

</xs:documentation>

<xs:documentation>

the ivo-id attribute refers to a Service record
that describes the Footprint capability. That is,
the record will have a capability element describing
the service. The resource refered to may be the
current one.

</xs:documentation>

</xs:annotation>

</xs:element>

Type:	stc:astroSTCDescriptionType, complex content
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	by reference within vs:Coverage complexType

The STC description of the location of the resource's data (or behavior on data) on the sky, in time, and in frequency space, including resolution.

In general, this description should be approximate; a more precise description can be provided by the footprint service.

XML Source (see within schema source)

<xs:element minOccurs="0" ref="stc:STCResourceProfile">

<xs:annotation>

<xs:documentation>

The STC description of the location of the resource's
data (or behavior on data) on the sky, in time, and in
frequency space, including resolution.

</xs:documentation>

<xs:documentation>

In general, this description should be approximate; a
more precise description can be provided by the
footprint service.

</xs:documentation>

</xs:annotation>

</xs:element>

Type:	vs:Waveband, simple content
Defined:	locally within vs:Coverage complexType

a named spectral region of the electro-magnetic spectrum that the resource's spectral coverage overlaps with.

XML Source (see within schema source)

<xs:element maxOccurs="unbounded" minOccurs="0" name="waveband" type="vs:Waveband">

<xs:annotation>

<xs:documentation>

a named spectral region of the electro-magnetic spectrum
that the resource's spectral coverage overlaps with.

</xs:documentation>

</xs:annotation>

</xs:element>

This XML schema documentation has been generated with DocFlex/XML RE 1.8.0 using DocFlex/XML XSDDoc 2.2.0 template set.

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