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VOTable.xsd
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VOTable.xsd
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<?xml version="1.0" encoding="UTF-8"?>
<!--W3C Schema for VOTable = Virtual Observatory Tabular Format
.Version 1.0 : 15-Apr-2002
.Version 1.09: 23-Jan-2004 Version 1.09
.Version 1.09: 30-Jan-2004 Version 1.091
.Version 1.09: 22-Mar-2004 Version 1.092
.Version 1.094: 02-Jun-2004 GROUP does not contain FIELD
.Version 1.1 : 10-Jun-2004 remove the complexContent
.Version 1.11: GL: 23-May-2006 remove most root elements, use name= type= iso ref= structure
.Version 1.11: GL: 29-Aug-2006 review and added comments (prefixed by GL)
before sending to Francois Ochsenbein
.Version 1.12: FO: Preliminary Version 1.2
.Version 1.18: FO: Tested (jax) version 1.2
.Version 1.19: FO: Completed INFO attributes
.Version 1.20: FO: Added xtype; content-role is less restrictive (May2009)
.Version 1.20a: FO: PR-20090710 Cosmetics.
.Version 1.20b: FO: INFO does not accept sub-elements (2009-09-29)
.Version 1.20c: FO: elementFormDefault="qualified" to stay compatible with 1.1
.Version 1.3: MT: Added BINARY2 element
.Version 1.3: MT: Further relaxed LINK content-role type to token
.Version 1.3-Erratum-2 MT: Made slight change to precType pattern
.Version 1.4pre1: MD: merged 1.3-Erratrum 2, added TIMESYS.
.Version 1.4wd-a: TD: updates for initial draft of v1.4.
.Version 1.4: TD: Change version to 1.4
-->
<xs:schema
xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
xmlns="http://www.ivoa.net/xml/VOTable/v1.3"
targetNamespace="http://www.ivoa.net/xml/VOTable/v1.3"
version="1.4"
>
<xs:annotation><xs:documentation>
VOTable is meant to serialize tabular documents in the
context of Virtual Observatory applications. This schema
corresponds to the VOTable document available from
http://www.ivoa.net/Documents/latest/VOT.html
</xs:documentation></xs:annotation>
<!-- Here we define some interesting new datatypes:
- anyTEXT may have embedded XHTML (conforming HTML)
- astroYear is an epoch in Besselian or Julian year, e.g. J2000
- arrayDEF specifies an array size e.g. 12x23x*
- dataType defines the acceptable datatypes
- ucdType defines the acceptable UCDs (UCD1+)
- precType defines the acceptable precisions
- yesno defines just the 2 alternatives
-->
<xs:complexType name="anyTEXT" mixed="true">
<xs:sequence>
<xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
</xs:sequence>
</xs:complexType>
<xs:simpleType name="astroYear">
<xs:restriction base="xs:token">
<xs:pattern value="[JB]?[0-9]+([.][0-9]*)?"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="ucdType">
<xs:restriction base="xs:token">
<xs:annotation><xs:documentation>
Accept UCD1+
Accept also old UCD1 (but not / + %) including SIAP convention (with :)
</xs:documentation></xs:annotation>
<xs:pattern value="[A-Za-z0-9_.:;\-]*"/><!-- UCD1 use also / + % -->
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="arrayDEF">
<xs:restriction base="xs:token">
<xs:pattern value="([0-9]+x)*[0-9]*[*]?(s\W)?"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="encodingType">
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="gzip"/>
<xs:enumeration value="base64"/>
<xs:enumeration value="dynamic"/>
<xs:enumeration value="none"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="dataType">
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="boolean"/>
<xs:enumeration value="bit"/>
<xs:enumeration value="unsignedByte"/>
<xs:enumeration value="short"/>
<xs:enumeration value="int"/>
<xs:enumeration value="long"/>
<xs:enumeration value="char"/>
<xs:enumeration value="unicodeChar"/>
<xs:enumeration value="float"/>
<xs:enumeration value="double"/>
<xs:enumeration value="floatComplex"/>
<xs:enumeration value="doubleComplex"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="precType">
<xs:restriction base="xs:token">
<xs:pattern value="[EF]?[0-9][0-9]*"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="yesno">
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="yes"/>
<xs:enumeration value="no"/>
</xs:restriction>
</xs:simpleType>
<xs:complexType name="Min">
<xs:attribute name="value" type="xs:string" use="required"/>
<xs:attribute name="inclusive" type="yesno" default="yes"/>
</xs:complexType>
<xs:complexType name="Max">
<xs:attribute name="value" type="xs:string" use="required"/>
<xs:attribute name="inclusive" type="yesno" default="yes"/>
</xs:complexType>
<xs:complexType name="Option">
<xs:sequence>
<xs:element name="OPTION" type="Option" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="name" type="xs:token"/>
<xs:attribute name="value" type="xs:string" use="required"/>
</xs:complexType>
<!-- VALUES expresses the values that can be taken by the data
in a column or by a parameter
-->
<xs:complexType name="Values">
<xs:sequence>
<xs:element name="MIN" type="Min" minOccurs="0"/>
<xs:element name="MAX" type="Max" minOccurs="0"/>
<xs:element name="OPTION" type="Option" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="ID" type="xs:ID"/>
<xs:attribute name="type" default="legal">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="legal"/>
<xs:enumeration value="actual"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name="null" type="xs:token"/>
<xs:attribute name="ref" type="xs:IDREF"/>
<!-- xs:attribute name="invalid" type="yesno" default="no"/ -->
</xs:complexType>
<!-- The LINK is a URL (href) or some other kind of reference (gref) -->
<xs:complexType name="Link">
<xs:annotation><xs:documentation>
content-role was previsouly restricted as: <![CDATA[
<xs:attribute name="content-role">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="query"/>
<xs:enumeration value="hints"/>
<xs:enumeration value="doc"/>
<xs:enumeration value="location"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>]]>; is now a token.
</xs:documentation></xs:annotation>
<xs:attribute name="ID" type="xs:ID"/>
<xs:attribute name="content-role" type="xs:token"/>
<xs:attribute name="content-type" type="xs:token"/>
<xs:attribute name="title" type="xs:string"/>
<xs:attribute name="value" type="xs:string"/>
<xs:attribute name="href" type="xs:anyURI"/>
<xs:attribute name="gref" type="xs:token"/><!-- Deprecated in V1.1 -->
<xs:attribute name="action" type="xs:anyURI"/>
</xs:complexType>
<!-- INFO is defined in Version 1.2 as a PARAM of String type
<xs:complexType name="Info">
<xs:complexContent>
<xs:restriction base="Param">
<xs:attribute name="unit" fixed=""/>
<xs:attribute name="datatype" fixed="char"/>
<xs:attribute name="arraysize" fixed="*"/>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
-or- as a full definition:
<xs:complexType name="Info">
<xs:sequence>
<xs:element name="DESCRIPTION" type="anyTEXT" minOccurs="0"/>
<xs:element name="VALUES" type="Values" minOccurs="0"/>
<xs:element name="LINK" type="Link" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="name" type="xs:token" use="required"/>
<xs:attribute name="value" type="xs:string" use="required"/>
<xs:attribute name="ID" type="xs:ID"/>
<xs:attribute name="unit" type="xs:token"/>
<xs:attribute name="xtype" type="xs:token"/>
<xs:attribute name="ref" type="xs:IDREF"/>
<xs:attribute name="ucd" type="ucdType"/>
<xs:attribute name="utype" type="xs:string"/>
</xs:complexType>
-->
<!-- No sub-element is accepted in INFO for backward compatibility -->
<xs:complexType name="Info">
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute name="ID" type="xs:ID"/>
<xs:attribute name="name" type="xs:token" use="required"/>
<xs:attribute name="value" type="xs:string" use="required"/>
<xs:attribute name="unit" type="xs:token"/>
<xs:attribute name="xtype" type="xs:token"/>
<xs:attribute name="ref" type="xs:IDREF"/>
<xs:attribute name="ucd" type="ucdType"/>
<xs:attribute name="utype" type="xs:string"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<!-- Expresses the coordinate system we are using --><!-- Deprecated V1.2 -->
<xs:complexType name="CoordinateSystem">
<xs:annotation><xs:documentation>
Deprecated in Version 1.2
</xs:documentation></xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute name="ID" type="xs:ID" use="required"/>
<xs:attribute name="equinox" type="astroYear"/>
<xs:attribute name="epoch" type="astroYear"/>
<xs:attribute name="system" default="eq_FK5">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="eq_FK4"/>
<xs:enumeration value="eq_FK5"/>
<xs:enumeration value="ICRS"/>
<xs:enumeration value="ecl_FK4"/>
<xs:enumeration value="ecl_FK5"/>
<xs:enumeration value="galactic"/>
<xs:enumeration value="supergalactic"/>
<xs:enumeration value="xy"/>
<xs:enumeration value="barycentric"/>
<xs:enumeration value="geo_app"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:simpleType name="Timeorigin">
<xs:annotation>
<xs:documentation>
This is a time origin of a time coordinate, given as a
Julian Date for the the time scale and reference point
defined. It is usually given as a floating point
literal; for convenience, the magic strings “MJD-origin”
(standing for 2400000.5) and “JD-origin” (standing for 0)
are also allowed.
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:token">
<xs:pattern value="[+-]?([0-9]+\.?[0-9]*|\.[0-9]+)([eE][+-]?[0-9]+)?|(JD|MJD)-origin">
</xs:pattern>
</xs:restriction>
</xs:simpleType>
<xs:complexType name="TimeSystem">
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute name="ID" type="xs:ID" use="required"/>
<xs:attribute name="timeorigin" type="Timeorigin">
<xs:annotation>
<xs:documentation>
The time origin is the offset or the time coordinate to Julian
Date. The timeorigin attribute MUST be given unless the time's
representation contains a year of a calendar era, in which case it
MUST NOT be present.
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="timescale" use="required" type="xs:token">
<xs:annotation>
<xs:documentation>
This is the time scale used. Values SHOULD be
taken from the IVOA timescale vocabulary (http://www.ivoa.net/rdf/timescale).
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="refposition" use="required" type="xs:token">
<xs:annotation>
<xs:documentation>
The reference position SHOULD be taken from the IVOA
refposition vocabulary (http://www.ivoa.net/rdf/refposition).
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="Definitions">
<xs:annotation><xs:documentation>
Deprecated in Version 1.1
</xs:documentation></xs:annotation>
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element name="COOSYS" type="CoordinateSystem"/>
<xs:element name="TIMESYS" type="TimeSystem"/>
<xs:element name="PARAM" type="Param"/>
</xs:choice>
</xs:complexType>
<!-- FIELD is the definition of what is in a column of the table -->
<xs:complexType name="Field">
<xs:sequence> <!-- minOccurs="0" maxOccurs="unbounded" -->
<xs:element name="DESCRIPTION" type="anyTEXT" minOccurs="0"/>
<xs:element name="VALUES" type="Values" minOccurs="0"/> <!-- maxOccurs="2" -->
<xs:element name="LINK" type="Link" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="ID" type="xs:ID"/>
<xs:attribute name="unit" type="xs:token"/>
<xs:attribute name="datatype" type="dataType" use="required"/>
<xs:attribute name="precision" type="precType"/>
<xs:attribute name="width" type="xs:positiveInteger"/>
<xs:attribute name="xtype" type="xs:token"/>
<xs:attribute name="ref" type="xs:IDREF"/>
<xs:attribute name="name" type="xs:token" use="required"/>
<xs:attribute name="ucd" type="ucdType"/>
<xs:attribute name="utype" type="xs:string"/>
<xs:attribute name="arraysize" type="xs:string"/>
<!-- GL: is the next deprecated element remaining
(is not in PARAM, but will in new model be inherited)
-->
<xs:attribute name="type">
<!-- type is not in the Version 1.1, but is kept for
backward compatibility purposes
-->
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="hidden"/>
<xs:enumeration value="no_query"/>
<xs:enumeration value="trigger"/>
<xs:enumeration value="location"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:complexType>
<!-- A PARAM is similar to a FIELD, but it also has a "value" attribute -->
<!-- GL: implemented here as a subtype as suggested we do in Kyoto. -->
<xs:complexType name="Param">
<xs:complexContent>
<xs:extension base="Field">
<xs:attribute name="value" type="xs:string" use="required"/>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<!-- GROUP groups columns; may include descriptions, fields/params/groups -->
<xs:complexType name="Group">
<xs:sequence>
<xs:element name="DESCRIPTION" type="anyTEXT" minOccurs="0"/>
<!-- GL I guess I can understand the next choice element as one may (?)
really want to group fields and params and groups in a particular order.
-->
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element name="FIELDref" type="FieldRef"/>
<xs:element name="PARAMref" type="ParamRef"/>
<xs:element name="PARAM" type="Param"/>
<xs:element name="GROUP" type="Group"/>
<!-- GL a GroupRef could remove recursion -->
</xs:choice>
</xs:sequence>
<xs:attribute name="ID" type="xs:ID"/>
<xs:attribute name="name" type="xs:token"/>
<xs:attribute name="ref" type="xs:IDREF"/>
<xs:attribute name="ucd" type="ucdType"/>
<xs:attribute name="utype" type="xs:string"/>
</xs:complexType>
<!-- FIELDref and PARAMref are references to FIELD or PARAM defined
in the parent TABLE or RESOURCE -->
<!-- GL This can not be enforced in XML Schema, so why not IDREF in <Group> ?
In particular if the UCD and utype attributes will NOT be added -->
<xs:complexType name="FieldRef">
<xs:attribute name="ref" type="xs:IDREF" use="required"/>
<xs:attribute name="ucd" type="ucdType"/>
<xs:attribute name="utype" type="xs:string"/>
</xs:complexType>
<xs:complexType name="ParamRef">
<xs:attribute name="ref" type="xs:IDREF" use="required"/>
<xs:attribute name="ucd" type="ucdType"/>
<xs:attribute name="utype" type="xs:string"/>
</xs:complexType>
<!-- DATA is the actual table data, in one of three formats -->
<!--
GL in Kyoto we discussed the option of having the specific Data items
be subtypes of Data:
-->
<!--
<xs:complexType name="Data" abstract="true"/>
<xs:complexType name="TableData">
<xs:complexContent>
<xs:extension base="Data">
... etc
</xs:extension>
</xs:complexContent>
</xs:complexType>
-->
<xs:complexType name="Data">
<xs:annotation><xs:documentation>
Added in Version 1.2: INFO for diagnostics
</xs:documentation></xs:annotation>
<xs:sequence>
<xs:choice>
<xs:element name="TABLEDATA" type="TableData"/>
<xs:element name="BINARY" type="Binary"/>
<xs:element name="BINARY2" type="Binary2"/>
<xs:element name="FITS" type="FITS"/>
</xs:choice>
<xs:element name="INFO" type="Info" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
<!-- Pure XML data -->
<xs:complexType name="TableData">
<xs:sequence>
<xs:element name="TR" type="Tr" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="Td">
<xs:simpleContent>
<xs:extension base="xs:string">
<!-- xs:attribute name="ref" type="xs:IDREF"/ -->
<xs:annotation><xs:documentation>
The 'encoding' attribute is added here to avoid
problems of code generators which do not properly
interpret the TR/TD structures.
'encoding' was chosen because it appears in
appendix A.5
</xs:documentation></xs:annotation>
<xs:attribute name="encoding" type="encodingType"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="Tr">
<xs:annotation><xs:documentation>
The ID attribute is added here to the TR tag to avoid
problems of code generators which do not properly
interpret the TR/TD structures
</xs:documentation></xs:annotation>
<xs:sequence>
<xs:element name="TD" type="Td" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="ID" type="xs:ID"/>
</xs:complexType>
<!-- FITS file, perhaps with specification of which extension to seek to -->
<xs:complexType name="FITS">
<xs:sequence>
<xs:element name="STREAM" type="Stream"/>
</xs:sequence>
<xs:attribute name="extnum" type="xs:positiveInteger"/>
</xs:complexType>
<!-- BINARY data format -->
<xs:complexType name="Binary">
<xs:sequence>
<xs:element name="STREAM" type="Stream"/>
</xs:sequence>
</xs:complexType>
<!-- BINARY2 data format -->
<xs:complexType name="Binary2">
<xs:sequence>
<xs:element name="STREAM" type="Stream"/>
</xs:sequence>
</xs:complexType>
<!-- STREAM can be local or remote, encoded or not -->
<xs:complexType name="Stream">
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute name="type" default="locator">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="locator"/>
<xs:enumeration value="other"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name="href" type="xs:anyURI"/>
<xs:attribute name="actuate" default="onRequest">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="onLoad"/>
<xs:enumeration value="onRequest"/>
<xs:enumeration value="other"/>
<xs:enumeration value="none"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name="encoding" type="encodingType" default="none"/>
<xs:attribute name="expires" type="xs:dateTime"/>
<xs:attribute name="rights" type="xs:token"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<!-- A TABLE is a sequence of FIELD/PARAMs and LINKS and DESCRIPTION,
possibly followed by a DATA section
-->
<xs:complexType name="Table">
<xs:annotation><xs:documentation>
Added in Version 1.2: INFO for diagnostics
</xs:documentation></xs:annotation>
<xs:sequence>
<xs:element name="DESCRIPTION" type="anyTEXT" minOccurs="0"/>
<!-- GL: why a choice iso for example -->
<!--
<xs:element name="PARAM" type="Param" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="FIELD" type="Field" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="GROUP" type="Group" minOccurs="0" maxOccurs="unbounded"/>
-->
<!--
This could also enforce groups to be defined after the fields and params
to which they must have a reference, which is somewhat more logical
-->
<!-- Added Version 1.2: -->
<xs:element name="INFO" type="Info" minOccurs="0" maxOccurs="unbounded"/>
<!-- An empty table without any FIELD/PARAM should not be acceptable -->
<xs:choice minOccurs="1" maxOccurs="unbounded">
<xs:element name="FIELD" type="Field"/>
<xs:element name="PARAM" type="Param"/>
<xs:element name="GROUP" type="Group"/>
</xs:choice>
<xs:element name="LINK" type="Link" minOccurs="0" maxOccurs="unbounded"/>
<!-- This would allow several DATA parts in a table (future extension?)
<xs:sequence minOccurs="0" maxOccurs="unbounded">
<xs:element name="DATA" type="Data"/>
<xs:element name="INFO" type="Info" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
-->
<xs:element name="DATA" type="Data" minOccurs="0"/>
<xs:element name="INFO" type="Info" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="ID" type="xs:ID"/>
<xs:attribute name="name" type="xs:token"/>
<xs:attribute name="ref" type="xs:IDREF"/>
<xs:attribute name="ucd" type="ucdType"/>
<xs:attribute name="utype" type="xs:string"/>
<xs:attribute name="nrows" type="xs:nonNegativeInteger"/>
</xs:complexType>
<!-- RESOURCES can contain DESCRIPTION, (INFO|PARAM|COSYS), LINK, TABLEs -->
<xs:complexType name="Resource">
<xs:annotation><xs:documentation>
Added in Version 1.2: INFO for diagnostics in several places
</xs:documentation></xs:annotation>
<xs:sequence>
<xs:element name="DESCRIPTION" type="anyTEXT" minOccurs="0"/>
<xs:element name="INFO" type="Info" minOccurs="0" maxOccurs="unbounded"/>
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element name="COOSYS" type="CoordinateSystem"/>
<xs:element name="TIMESYS" type="TimeSystem"/>
<xs:element name="GROUP" type="Group" />
<xs:element name="PARAM" type="Param" />
</xs:choice>
<xs:sequence minOccurs="0" maxOccurs="unbounded">
<xs:element name="LINK" type="Link" minOccurs="0" maxOccurs="unbounded"/>
<xs:choice>
<xs:element name="TABLE" type="Table" />
<xs:element name="RESOURCE" type="Resource" />
</xs:choice>
<xs:element name="INFO" type="Info" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<!-- Suggested Doug Tody, to include new RESOURCE types -->
<xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="name" type="xs:token"/>
<xs:attribute name="ID" type="xs:ID"/>
<xs:attribute name="utype" type="xs:string"/>
<xs:attribute name="type" default="results">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="results"/>
<xs:enumeration value="meta"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<!-- Suggested Doug Tody, to include new RESOURCE attributes -->
<xs:anyAttribute namespace="##other" processContents="lax"/>
</xs:complexType>
<!-- VOTable is the root element -->
<xs:element name="VOTABLE">
<xs:complexType>
<xs:sequence>
<xs:element name="DESCRIPTION" type="anyTEXT" minOccurs="0"/>
<xs:element name="DEFINITIONS" type="Definitions" minOccurs="0"/><!-- Deprecated -->
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element name="COOSYS" type="CoordinateSystem"/>
<xs:element name="TIMESYS" type="TimeSystem"/>
<xs:element name="GROUP" type="Group" />
<xs:element name="PARAM" type="Param" />
<xs:element name="INFO" type="Info" minOccurs="0" maxOccurs="unbounded"/>
</xs:choice>
<xs:element name="RESOURCE" type="Resource" minOccurs="1" maxOccurs="unbounded"/>
<xs:element name="INFO" type="Info" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="ID" type="xs:ID"/>
<xs:attribute name="version">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="1.3"/>
<xs:enumeration value="1.4"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:complexType>
</xs:element>
</xs:schema>