gml4wcs.xsd

联合国农粮署牵头开发的geonetwork源代码最新版

<?xml version="1.0" encoding="UTF-8"?>
<!-- edited with XML Spy v4.3 U (http://www.xmlspy.com) by John D Evans (Global Science & Technology, Inc) -->
<schema targetNamespace="http://www.opengis.net/gml" xmlns:gml="http://www.opengis.net/gml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" version="3.00" xml:lang="en">
	<annotation>
		<appinfo>gml4wcs.xsd v1.0.0 2003-07-29</appinfo>
		<documentation>GML profile for WCS </documentation>
		<documentation>AEW 03/07/22 Changes made:
			Edited documentation of "name" element
		</documentation>
		<documentation>JDE 2003-07-28: 
			Added indeterminatePosition attribute to timePosition
			Added 11 new elements and types from geometryBasic2d.xsd (to define Polygon, used in CoverageDescription...SpatialDomain)
		</documentation>
		<documentation>AEW 03/07/29 Changes made:
			Rearranged elements and types and inserted comments indicating the GML schema from which groups of elements and types were copied or edited into this profile
		</documentation>
		<documentation>JDE 2003-07-30 Added TimeDurationType</documentation>
	</annotation>
	<!-- ======== includes and imports =================================== -->
	<import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://schemas.opengis.net/gml/3.0.0/xlink/xlinks.xsd"/>
	<!-- ===========================================================
	GML profile elements and types from gmlBase.xsd	============================================================== -->
	<element name="_Object" abstract="true">
		<annotation>
			<documentation>This abstract element is the head of a substitutionGroup hierararchy which may contain either simpleContent or complexContent elements. It is used to assert the model position of "class" elements declared in other GML schemas.  </documentation>
		</annotation>
	</element>
	<!-- ============================================================== -->
	<element name="_GML" type="gml:AbstractGMLType" abstract="true" substitutionGroup="gml:_Object">
		<annotation>
			<documentation>Global element which acts as the head of a substitution group that may include any element which is a GML feature, object, geometry or complex value</documentation>
		</annotation>
	</element>
	<!-- =========================================================== -->
	<complexType name="AbstractGMLType" abstract="true">
		<annotation>
			<documentation> The optional attribute "gml:id" is omitted from this profile. </documentation>
			<documentation>All complexContent GML elements are directly or indirectly derived from this abstract supertype to establish a hierarchy of GML types that may be distinguished from other XML types by their ancestry. </documentation>
		</annotation>
		<sequence>
			<element ref="gml:metaDataProperty" minOccurs="0" maxOccurs="unbounded"/>
			<element ref="gml:description" minOccurs="0"/>
			<element ref="gml:name" minOccurs="0" maxOccurs="unbounded">
				<annotation>
					<documentation>Multiple names may be provided.  These will often be distinguished by being assigned by different authorities, as indicated by the value of the codeSpace attribute.  In an instance document there will usually only be one name per authority. </documentation>
				</annotation>
			</element>
		</sequence>
	</complexType>
	<!-- =========================================================== -->
	<element name="name" type="gml:CodeType">
		<annotation>
			<documentation>Identifier for the object, normally a descriptive name. An object may have several names, typically assigned by different authorities.  The authority for a name is indicated by the value of its (optional) codeSpace attribute.  The name may or may not be unique, as determined by the rules of the organization responsible for the codeSpace.</documentation>
		</annotation>
	</element>
	<!-- =========================================================== -->
	<attribute name="id" type="ID">
		<annotation>
			<documentation>Database handle for the object.  It is of XML type 鈥淚D鈥