describecoverage.xsd

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<?xml version="1.0" encoding="UTF-8"?>
<xs:schema targetNamespace="http://www.opengis.net/wcs" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://www.opengis.net/wcs" xmlns:gml="http://www.opengis.net/gml" elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.0.1" xml:lang="en">
	<xs:annotation>
		<xs:appinfo>describeCoverage.xsd v1.0.1 2005-07-18</xs:appinfo>
		<xs:documentation>This schema defines the DescribeCoverage operation request and reply XML elements and types, used by an OGC Web Coverage Service (WCS). </xs:documentation>
		<xs:documentation>JDE 2003-07-24 changes:
		Changed first and third "include" below to "import" so as to bring more than one namespace
		Made spatialDomain a global element so as to substitute for it in GetCoverage spatialSubset
		</xs:documentation>
		<xs:documentation> JDE 2003-07-28 - Made temporalSubset of type TimeSequenceType (from owsBase.xsd, uses gml:timePosition).		</xs:documentation>
		<xs:documentation>AEW 03/07/29 Changes made:
			Edited documentation of some elements and types
		</xs:documentation>
		<xs:documentation>AEW 03/07/30 Changes made:
			Corrrected defintion of temporalDomain element, makiing first letter of name lower case
		</xs:documentation>
		<xs:documentation>AEW 03/08/01 Changes made:
			Edited documentation of many types
		</xs:documentation>
		<xs:documentation>JDE 03/08/27 Changes made:
		 	Made DescribeCoverage/@service and DescribeCoverage/@version required
			Added CoverageDescription/@version (required) and CoverageDescription/@updateSequence (optional)
		</xs:documentation>
		<xs:documentation>AEW 04/07/14 Changes made:
		 	Changed two "import" statement for the "wcs" namespace to  "include" statements. 
		 	Added "import" statement for the "gml" namespace used in gml4wcs.xsd.
		</xs:documentation>
		<xs:documentation>AEW 05/07/15 Changes made:
		 	Changed documentation of updateSequence attribute in CoverageDescription element
		</xs:documentation>
	</xs:annotation>
	<!-- ==============================================================
           includes and imports
	============================================================== -->
	<xs:include schemaLocation="./wcsCapabilities.xsd"/>
	<xs:include schemaLocation="./values.xsd"/>
	<xs:import namespace="http://www.opengis.net/gml" schemaLocation="./gml4wcs.xsd"/>
	<!-- ==============================================================
       elements and types
	============================================================== -->
	<xs:element name="DescribeCoverage">
		<xs:annotation>
			<xs:documentation>Request to a WCS to perform the DescribeCoverage operation. In this XML encoding, no "request" parameter is included, since the element name specifies the specific operation. </xs:documentation>
		</xs:annotation>
		<xs:complexType>
			<xs:sequence>
				<xs:element name="Coverage" type="xs:string" minOccurs="0" maxOccurs="unbounded">
					<xs:annotation>
						<xs:documentation>Name or identifier of this coverage. The same name value shall not be used for any other coverages available from the same server. A client can obtain this name by a prior GetCapabilities request, or possibly from a third-party source. If this element is omitted, the server may return descriptions of every coverage offering available, or return a service exception. </xs:documentation>
					</xs:annotation>
				</xs:element>
			</xs:sequence>
			<xs:attribute name="service" type="xs:string" use="required" fixed="WCS"/>
			<xs:attribute name="version" type="xs:string" use="required" fixed="1.0.0"/>
		</xs:complexType>
	</xs:element>
	<!-- =========================================================== -->
	<xs:element name="CoverageDescription">
		<xs:annotation>
			<xs:documentation>Reply from a WCS that performed the DescribeCoverage operation, containing one or more full coverage offering descriptions. </xs:documentation>
		</xs:annotation>
		<xs:complexType>
			<xs:sequence>
				<xs:element ref="CoverageOffering" maxOccurs="unbounded"/>
			</xs:sequence>
			<xs:attribute name="version" type="xs:string" use="required" fixed="1.0.0"/>
			<xs:attribute name="updateSequence" type="xs:string" use="optional">
				<xs:annotation>
					<xs:documentation>Service metadata (Capabilities) document version, having values that are "increased" whenever any change is made in service metadata document. Values are selected by each server, and are always opaque to clients. </xs:documentation>
				</xs:annotation>
			</xs:attribute>
		</xs:complexType>
	</xs:element>
	<!-- =========================================================== -->
	<xs:element name="CoverageOffering" type="CoverageOfferingType" substitutionGroup="gml:_GML"/>
	<!-- =========================================================== -->
	<xs:complexType name="CoverageOfferingType">
		<xs:annotation>
			<xs:documentation>Full description of one coverage available from a WCS instance. </xs:documentation>
		</xs:annotation>
		<xs:complexContent>
			<xs:extension base="CoverageOfferingBriefType">
				<xs:sequence>
					<xs:element ref="domainSet"/>
					<xs:element ref="rangeSet"/>
					<xs:element ref="supportedCRSs"/>
					<xs:element ref="supportedFormats"/>
					<xs:element ref="supportedInterpolations" minOccurs="0">
						<xs:annotation>
							<xs:documentation>Specifies whether and how the server can interpolate coverage values over the spatial domain, when a GetCoverage request requires resampling, reprojection, or other generalization. If supportedInterpolations is absent or empty with no default, then clients should assume nearest-neighbor interpolation. If the only interpolation method listed is 鈥榥one鈥