-<xs:schema targetNamespace="http://www.energistics.org/energyml/data/commonv2" elementFormDefault="qualified" version="2.1">

-<!--

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<xs:include schemaLocation="QuantityClass.xsd"/>

-<!--

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<xs:import namespace="http://www.opengis.net/gml/3.2" schemaLocation="../../../common/v2.1/xsd_schemas/gml/3.2.1/gml.xsd"/>

<xs:include schemaLocation="BaseTypes.xsd"/>

<xs:include schemaLocation="Abstract.xsd"/>

-<xs:simpleType name="AxisOrder2d">

-<xs:annotation>

<xs:documentation>Defines the coordinate system axis order of the global CRS using the axis names (from EPSG database).</xs:documentation>

</xs:annotation>

-<xs:restriction base="xs:string">

-<xs:enumeration value="easting northing">

-<xs:annotation>

<xs:documentation>The first axis is easting and the second axis is northing.</xs:documentation>

</xs:annotation>

</xs:enumeration>

-<xs:enumeration value="northing easting">

-<xs:annotation>

<xs:documentation>The first axis is northing and the second asis is easting.</xs:documentation>

</xs:annotation>

</xs:enumeration>

-<xs:enumeration value="westing southing">

-<xs:annotation>

<xs:documentation>The first axis is westing and the second axis is southing.</xs:documentation>

</xs:annotation>

</xs:enumeration>

-<xs:enumeration value="southing westing">

-<xs:annotation>

<xs:documentation>The first axis is southing and the second axis is westing.</xs:documentation>

</xs:annotation>

</xs:enumeration>

-<xs:enumeration value="northing westing">

-<xs:annotation>

<xs:documentation>the first axis is northing and the second axis is westing.</xs:documentation>

</xs:annotation>

</xs:enumeration>

-<xs:enumeration value="westing northing">

-<xs:annotation>

<xs:documentation>the first axis is westing and the second axis is northing.</xs:documentation>

</xs:annotation>

</xs:enumeration>

</xs:restriction>

</xs:simpleType>

-<xs:simpleType name="VerticalDirection">

-<xs:restriction base="xs:string">

-<xs:enumeration value="up">

-<xs:annotation>

<xs:documentation>Values are positive when moving away from the center of the Earth.</xs:documentation>

</xs:annotation>

</xs:enumeration>

-<xs:enumeration value="down">

-<xs:annotation>

<xs:documentation>Values are positive when moving toward the center of the Earth.</xs:documentation>

</xs:annotation>

</xs:enumeration>

</xs:restriction>

</xs:simpleType>

-<xs:complexType name="AbstractGeodeticCrs" abstract="true">

<xs:sequence/>

</xs:complexType>

-<xs:complexType name="AbstractProjectedCrs" abstract="true">

<xs:sequence/>

</xs:complexType>

-<xs:complexType name="AbstractVerticalCrs" abstract="true">

<xs:sequence/>

</xs:complexType>

-<xs:complexType name="GeodeticCrs">

-<xs:complexContent>

-<xs:extension base="eml:AbstractObject">

-<xs:sequence>

<xs:element name="AbstractGeodeticCrs" type="eml:AbstractGeodeticCrs" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="GeodeticEpsgCrs">

-<xs:annotation>

<xs:documentation>This class contains the EPSG code for a geodetic CRS. </xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractGeodeticCrs">

-<xs:sequence>

<xs:element name="EpsgCode" type="eml:PositiveLong" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="GeodeticGmlCrs">

-<xs:annotation>

<xs:documentation>This is the Energistics encapsulation of the GeodeticCrs type from GML. </xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractGeodeticCrs">

-<xs:sequence>

<xs:element name="GmlProjectedCrsDefinition" type="gml:GeodeticCRSType" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="GeodeticLocalAuthorityCrs">

-<xs:annotation>

<xs:documentation>This class contains a code for a geodetic CRS according to a local authority. This would be used in a case where a company or regulatory regime has chosen not to use EPSG codes.</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractGeodeticCrs">

-<xs:sequence>

<xs:element name="LocalAuthorityCrsName" type="eml:AuthorityQualifiedName" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="GeodeticUnknownCrs">

-<xs:annotation>

<xs:documentation>This class is used in a case where the coordinate reference system is either unknown or is intentionally not being transferred.</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractGeodeticCrs">

-<xs:sequence>

<xs:element name="Unknown" type="eml:String2000" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="GeodeticWktCrs">

-<xs:annotation>

<xs:documentation>ISO 19162-compliant well-known text for the Geodetic CRS.</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractGeodeticCrs">

-<xs:sequence>

-<xs:element name="WellKnownText" type="xs:string" minOccurs="1" maxOccurs="1">

-<xs:annotation>

<xs:documentation>ISO 19162 compliant well known text of the CRS</xs:documentation>

</xs:annotation>

</xs:element>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="ProjectedCrs">

-<xs:annotation>

<xs:documentation>This is the Energistics encapsulation of the ProjectedCrs type from GML.</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractObject">

-<xs:sequence>

<xs:element name="AxisOrder" type="eml:AxisOrder2d" minOccurs="1" maxOccurs="1"/>

<xs:element name="AbstractProjectedCrs" type="eml:AbstractProjectedCrs" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

<xs:attribute name="uom" use="optional" type="eml:LengthUomExt"/>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="ProjectedEpsgCrs">

-<xs:annotation>

<xs:documentation>This class contains the EPSG code for a projected CRS.</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractProjectedCrs">

-<xs:sequence>

<xs:element name="EpsgCode" type="eml:PositiveLong" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="ProjectedGmlCrs">

-<xs:annotation>

<xs:documentation>This is the Energistics encapsulation of the ProjectedCrs type from GML. </xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractProjectedCrs">

-<xs:sequence>

<xs:element name="GmlProjectedCrsDefinition" type="gml:ProjectedCRSType" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="ProjectedLocalAuthorityCrs">

-<xs:annotation>

<xs:documentation>This class contains a code for a projected CRS according to a local authority. This would be used in a case where a company or regulatory regime has chosen not to use EPSG codes.</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractProjectedCrs">

-<xs:sequence>

<xs:element name="LocalAuthorityCrsName" type="eml:AuthorityQualifiedName" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="ProjectedUnknownCrs">

-<xs:annotation>

<xs:documentation>This class is used in a case where the coordinate reference system is either unknown or is intentionally not being transferred. In this case, the uom and AxisOrder need to be provided on the ProjectedCrs class.</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractProjectedCrs">

-<xs:sequence>

<xs:element name="Unknown" type="eml:String2000" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="ProjectedWktCrs">

-<xs:annotation>

<xs:documentation>ISO 19162-compliant well-known text for the projected CRS</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractProjectedCrs">

-<xs:sequence>

-<xs:element name="WellKnownText" type="xs:string" minOccurs="1" maxOccurs="1">

-<xs:annotation>

<xs:documentation>ISO 19162 compliant well known text of the CRS</xs:documentation>

</xs:annotation>

</xs:element>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="VerticalCrs">

-<xs:complexContent>

-<xs:extension base="eml:AbstractObject">

-<xs:sequence>

<xs:element name="Direction" type="eml:VerticalDirection" minOccurs="1" maxOccurs="1"/>

<xs:element name="AbstractVerticalCrs" type="eml:AbstractVerticalCrs" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

<xs:attribute name="uom" use="required" type="eml:LengthUomExt"/>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="VerticalEpsgCrs">

-<xs:annotation>

<xs:documentation>This class contains the EPSG code for a vertical CRS.</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractVerticalCrs">

-<xs:sequence>

<xs:element name="EpsgCode" type="eml:PositiveLong" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="VerticalGmlCrs">

-<xs:annotation>

<xs:documentation>This is the Energistics encapsulation of the VerticalCrs type from GML. </xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractVerticalCrs">

-<xs:sequence>

<xs:element name="GmlVerticalCrsDefinition" type="gml:VerticalCRSType" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="VerticalLocalAuthorityCrs">

-<xs:annotation>

<xs:documentation>This class contains a code for a vertical CRS according to a local authority. This would be used in a case where a company or regulatory regime has chosen not to use EPSG codes. </xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractVerticalCrs">

-<xs:sequence>

<xs:element name="LocalAuthorityCrsName" type="eml:AuthorityQualifiedName" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="VerticalUnknownCrs">

-<xs:annotation>

<xs:documentation>This class is used in a case where the coordinate reference system is either unknown or is intentionally not being transferred. In this case, the uom and Direction need to be provided on the VerticalCrs class.</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractVerticalCrs">

-<xs:sequence>

<xs:element name="Unknown" type="eml:String2000" minOccurs="1" maxOccurs="1"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<xs:complexType name="VerticalWktCrs">

-<xs:annotation>

<xs:documentation>ISO 19162-compliant well-known text for the vertical CRS</xs:documentation>

</xs:annotation>

-<xs:complexContent>

-<xs:extension base="eml:AbstractVerticalCrs">

-<xs:sequence>

-<xs:element name="WellKnownText" type="xs:string" minOccurs="1" maxOccurs="1">

-<xs:annotation>

<xs:documentation>ISO 19162 compliant well known text of the CRS</xs:documentation>

</xs:annotation>

</xs:element>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

-<!--

-->

-<!--

 Energistics License Agreement
			This file is distributed under the Energistics Product License Agreement at
			http://www.energistics.org/product-license-agreement
			Use of this file constitutes agreement with the Energistics Product License Agreement.
			Copyright (c) 2017 Energistics. All rights reserved.
			Energistics, WITSML, PRODML and RESQML are trademarks or registered trademarks of Energistics.

-->

-<!--

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</xs:schema>