<xs:schema 
xmlns:xs="http://www.w3.org/2001/XMLSchema" 
targetNamespace="http://niem.gov/niem/external/ogc-swe-common/1.0.0/dhs-gmo/1.0.0" 
xmlns:swec="http://niem.gov/niem/external/ogc-swe-common/1.0.0/dhs-gmo/1.0.0" 
elementFormDefault="qualified" attributeFormDefault="unqualified">
	<xs:annotation>
		<xs:documentation>Definitions for some common position parameters
Sensor Model Language OGC 05-086 page 89

  DHS Changes:  
    2006-09-22 Changed namespaces following NIEM conventions
    1)  targetNamespace http://niem.gov//niem/external/ogc-swe-common/1.0.0/dhs-gmo/1.0.0  changed tnsp to swec from swe to distinguish it from swe namespace defined by 05-087r4_Observations_and_measurements.pdf

</xs:documentation>
	</xs:annotation>
	<!--========================-->
	<!-- Includes and Imports -->
	<!--========================-->
	<xs:include schemaLocation="./parameters.xsd"/>
	<!--=======================-->
	<!-- Substitution Groups -->
	<!--=======================-->
	<xs:element name="PositionData" type="swec:_PositionType" abstract="false" substitutionGroup="swec:_DataGroup">
		<xs:annotation>
			<xs:documentation>Head of substitution Group for Composite Position Data</xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:element name="LocationData" type="swec:_PositionType" abstract="false" substitutionGroup="swec:PositionData">
		<xs:annotation>
			<xs:documentation>Head of substitution Group for Location Data</xs:documentation>
		</xs:annotation>
	</xs:element>
	<xs:element name="OrientationData" type="swec:_PositionType" abstract="false" substitutionGroup="swec:PositionData">
		<xs:annotation>
			<xs:documentation>Head of substitution Group for Orientation Data</xs:documentation>
		</xs:annotation>
	</xs:element>
	<!--======================-->
	<!-- Position DataGroup -->
	<!--======================-->
	<xs:element name="Position" substitutionGroup="swec:PositionData">
		<xs:annotation>
			<xs:documentation>Location and Orientation given by a sequence of rotations or translations.
Transformations are applied in the order listed</xs:documentation>
		</xs:annotation>
		<xs:complexType>
			<xs:complexContent>
				<xs:extension base="swec:_PositionType">
					<xs:sequence>
						<xs:element name="time" minOccurs="0">
							<xs:complexType>
								<xs:sequence>
									<xs:group ref="swec:Time" minOccurs="0"/>
								</xs:sequence>
							</xs:complexType>
						</xs:element>
						<xs:element name="location" minOccurs="0">
							<xs:complexType>
								<xs:choice>
									<xs:element ref="swec:Location"/>
									<xs:element ref="swec:GeoLocation"/>
								</xs:choice>
							</xs:complexType>
						</xs:element>
						<xs:element name="orientation" minOccurs="0">
							<xs:complexType>
								<xs:sequence>
									<xs:element ref="swec:Orientation" minOccurs="0"/>
								</xs:sequence>
							</xs:complexType>
						</xs:element>
					</xs:sequence>
				</xs:extension>
			</xs:complexContent>
		</xs:complexType>
	</xs:element>
	<xs:element name="Location" substitutionGroup="swec:LocationData">
		<xs:complexType>
			<xs:complexContent>
				<xs:extension base="swec:_PositionType">
					<xs:sequence>
						<xs:element name="coordinate" maxOccurs="3">
							<xs:complexType>
								<xs:sequence>
									<xs:element ref="swec:Quantity"/>
								</xs:sequence>
								<xs:attribute name="name" type="swec:qnameSimpleType" use="required"/>
							</xs:complexType>
						</xs:element>
					</xs:sequence>
				</xs:extension>
			</xs:complexContent>
		</xs:complexType>
	</xs:element>
	<xs:element name="GeoLocation" substitutionGroup="swec:LocationData">
		<xs:annotation>
			<xs:documentation>Position given by latitude, longitude, altitude</xs:documentation>
		</xs:annotation>
		<xs:complexType>
			<xs:complexContent>
				<xs:extension base="swec:_PositionType">
					<xs:sequence minOccurs="0">
						<xs:element name="longitude">
							<xs:complexType>
								<xs:sequence>
									<xs:element ref="swec:Quantity" minOccurs="0"/>
								</xs:sequence>
							</xs:complexType>
						</xs:element>
						<xs:element name="latitude">
							<xs:complexType>
								<xs:sequence>
									<xs:element ref="swec:Quantity" minOccurs="0"/>
								</xs:sequence>
							</xs:complexType>
						</xs:element>
						<xs:element name="altitude" minOccurs="0">
							<xs:complexType>
								<xs:sequence>
									<xs:element ref="swec:Quantity" minOccurs="0"/>
								</xs:sequence>
							</xs:complexType>
						</xs:element>
					</xs:sequence>
				</xs:extension>
			</xs:complexContent>
		</xs:complexType>
	</xs:element>
	<xs:element name="Orientation" substitutionGroup="swec:OrientationData">
		<xs:annotation>
			<xs:documentation>Orientation given by euler angle with an order of rotation</xs:documentation>
		</xs:annotation>
		<xs:complexType>
			<xs:complexContent>
				<xs:extension base="swec:_PositionType">
					<xs:sequence minOccurs="0">
						<xs:element name="coordinate" maxOccurs="3">
							<xs:complexType>
								<xs:sequence>
									<xs:element ref="swec:Quantity"/>
								</xs:sequence>
								<xs:attribute name="name" type="swec:qnameSimpleType" use="required"/>
							</xs:complexType>
						</xs:element>
						<xs:element name="order">
							<xs:complexType>
								<xs:sequence>
									<xs:element ref="swec:Category"/>
								</xs:sequence>
							</xs:complexType>
						</xs:element>
					</xs:sequence>
				</xs:extension>
			</xs:complexContent>
		</xs:complexType>
	</xs:element>
	<!--=================-->
	<!-- Complex Types -->
	<!--=================-->
	<xs:complexType name="_PositionType">
		<xs:complexContent>
			<xs:extension base="swec:_GroupBaseType">
				<xs:attribute name="referenceFrame" type="xs:anyURI" use="optional"/>
				<xs:attribute name="localFrame" type="xs:anyURI" use="optional"/>
			</xs:extension>
		</xs:complexContent>
	</xs:complexType>
</xs:schema>

• _PositionType

• GeoLocation
• Location
• LocationData
• Orientation
• OrientationData
• Position
• PositionData