<xs:element name="action">
  <xs:annotation>
    <xs:documentation>The action XML chunk</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="gluon">
        <xs:complexType>
          <xs:sequence>
            <xs:element ref="generalGluonAction" maxOccurs="unbounded"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
      <xs:element name="quark" minOccurs="0">
        <xs:complexType>
          <xs:sequence>
            <xs:element ref="generalQuarkAction" maxOccurs="unbounded"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="gluon">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="generalGluonAction" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="quark" minOccurs="0">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="generalQuarkAction" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="anisotropicApeLinkBlocking" type="anisotropicApeLinkBlockingType" substitutionGroup="linkBlocking"/>

<xs:element name="anisotropicCloverQuarkAction" type="anisotropicCloverQuarkActionType" substitutionGroup="anisotropicWilsonQuarkAction">
  <xs:annotation>
    <xs:documentation>An element for anisotropic clover</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="anisotropicGluonAction" type="anisotropicGluonActionType" abstract="true" substitutionGroup="generalGluonAction">
  <xs:annotation>
    <xs:documentation>Extends a general quark action with with anisotropy parameters xi0 and the anisotropy direction</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="anisotropicQuarkAction" type="anisotropicQuarkActionType" abstract="true" substitutionGroup="generalQuarkAction">
  <xs:annotation>
    <xs:documentation>Extends the general quark action with fields related to anisotropy namely the xi0 parameter and the direction which is anisotropic</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="anisotropicTpWilsonGluonAction" type="anisotropicTpWilsonGluonActionType" substitutionGroup="anisotropicWilsonGluonAction">
  <xs:annotation>
    <xs:documentation>Anisotropic version of the Wilson Plaquette Action with tadpole improvement</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="anisotropicWilsonGluonAction" type="anisotropicWilsonGluonActionType" substitutionGroup="anisotropicGluonAction">
  <xs:annotation>
    <xs:documentation>Anisotropic version of the Wilson Plaquette Action</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="anisotropicWilsonQuarkAction" type="anisotropicWilsonQuarkActionType" substitutionGroup="anisotropicQuarkAction">
  <xs:annotation>
    <xs:documentation>Anisotropic Wilson Action in either (mu,mass) or (kappa_s,kappa_t) convention. Wilson's r parameters are optional. Default values are 1.0.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="apeLinkBlocking" type="apeLinkBlockingType" substitutionGroup="linkBlocking"/>

<xs:element name="array" type="arrayType" abstract="true">
  <xs:annotation>
    <xs:documentation>The SciDAC array definition</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="asqTadQuarkAction" type="asqTadQuarkActionType" substitutionGroup="KSQuarkAction">
  <xs:annotation>
    <xs:documentation>A specific improved KS quark action</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="boundaryCondition">
  <xs:annotation>
    <xs:documentation>An array of boundaryConditionType</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="elem" type="boundaryConditionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="elem" type="boundaryConditionType" maxOccurs="unbounded"/>

<xs:element name="cloverQuarkAction" type="cloverQuarkActionType" abstract="true" substitutionGroup="wilsonQuarkAction">
  <xs:annotation>
    <xs:documentation>The generic clover wilson action type. It is abstract because there are different definitions of CSW that are all clover actions</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="data" type="xs:anyURI">
  <xs:annotation>
    <xs:documentation>The Logical file name on the grid of the data file itself</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="DBW2GluonAction" type="DBW2GluonActionType" substitutionGroup="sixLinkGluonAction">
  <xs:annotation>
    <xs:documentation>DBW2 is a six link action with specific couplings</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="domainWallQuarkAction" type="domainWallQuarkActionType" substitutionGroup="generalOverlapQuarkAction">
  <xs:annotation>
    <xs:documentation>The domain Wall quark action. 4D is Wilson and the approx is tanh </xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="fatLinkIrrelevantCloverQuarkAction" type="fatLinkIrrelevantCloverQuarkActionType" substitutionGroup="cloverQuarkAction">
  <xs:annotation>
    <xs:documentation>The Clover Wilson quark action where the coefficient has been determined by tadpole improved perturbation theory and the links for irrelevant operators have been smeared</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="generalGluonAction" type="generalGluonActionType" abstract="true">
  <xs:annotation>
    <xs:documentation>Has the general properties of the gloun action, i.e. the gluon field and the glossary XML</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="generalOverlapQuarkAction" type="generalOverlapQuarkActionType" abstract="true" substitutionGroup="generalQuarkAction">
  <xs:annotation>
    <xs:documentation>The abstract Overlap quark operator</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="generalQuarkAction" type="generalQuarkActionType" abstract="true">
  <xs:annotation>
    <xs:documentation>Has the general properties of the quark action, i.e. the number of quark flavours and the properties of the fields</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="gluonField">
  <xs:annotation>
    <xs:documentation>Contains the properties of the gluon field, e.g. gauge group and representation</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="gaugeGroup" type="gaugeGroupType"/>
      <xs:element name="representation" type="representationType"/>
      <xs:element ref="boundaryCondition"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="gaugeGroup" type="gaugeGroupType"/>

<xs:element name="representation" type="representationType"/>

<xs:element name="invSqRootLinkUnitarization" type="invSqRootLinkUnitarizationType" substitutionGroup="linkUnitarization"/>

<xs:element name="iwasakiRGGluonAction" type="iwasakiRGGluonActionType" substitutionGroup="sixLinkGluonAction">
  <xs:annotation>
    <xs:documentation>This six-link action has three couplings</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="KSQuarkAction" type="KSQuarkActionType" abstract="true" substitutionGroup="generalQuarkAction">
  <xs:annotation>
    <xs:documentation>The basic KS action. Abstract</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="linkBlocking" type="linkBlockingType" abstract="true"/>

<xs:element name="linkSmearing">
  <xs:annotation>
    <xs:documentation>link smearing</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="linkBlocking"/>
      <xs:element ref="linkUnitarization"/>
      <xs:element name="numSmear" type="xs:integer"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="numSmear" type="xs:integer"/>

<xs:element name="linkUnitarization" type="linkUnitarizationType" abstract="true"/>

<xs:element name="LuescherWeiszGluonAction" type="LuescherWeiszGluonActionType" substitutionGroup="sixLinkGluonAction">
  <xs:annotation>
    <xs:documentation>The Luescher-Weisz gluon action is a six link action</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="management">
  <xs:annotation>
    <xs:documentation>Contains information about who, what, and when the data was done</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="revisions" type="xs:nonNegativeInteger" minOccurs="0">
        <xs:annotation>
          <xs:documentation>The number of times the entry for this ensemble has been revised</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="collaboration" type="xs:normalizedString"/>
      <xs:element name="projectName" type="xs:normalizedString"/>
      <xs:element name="ensembleLabel" type="xs:normalizedString" minOccurs="0"/>
      <xs:element name="reference" type="xs:normalizedString" minOccurs="0"/>
      <xs:element name="archiveHistory">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="elem" type="managementActionType" minOccurs="0" maxOccurs="unbounded"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="revisions" type="xs:nonNegativeInteger" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The number of times the entry for this ensemble has been revised</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="collaboration" type="xs:normalizedString"/>

<xs:element name="projectName" type="xs:normalizedString"/>

<xs:element name="ensembleLabel" type="xs:normalizedString" minOccurs="0"/>

<xs:element name="reference" type="xs:normalizedString" minOccurs="0"/>

<xs:element name="archiveHistory">
  <xs:complexType>
    <xs:sequence>
      <xs:element name="elem" type="managementActionType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="elem" type="managementActionType" minOccurs="0" maxOccurs="unbounded"/>

<xs:element name="markovChain">
  <xs:annotation>
    <xs:documentation>Also known as ensemble XML. below this level the XML is static across an ensemble of data.</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="markovChainURI"/>
      <xs:element ref="management"/>
      <xs:element ref="physics"/>
      <xs:element name="algorithm" type="algorithmType"/>
      <xs:element name="cLibrary" type="xs:anyURI" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="algorithm" type="algorithmType"/>

<xs:element name="cLibrary" type="xs:anyURI" minOccurs="0"/>

<xs:element name="markovChainURI" type="xs:anyURI">
  <xs:annotation>
    <xs:documentation>The URI which identifies the of the ensemble</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="npCloverQuarkAction" type="npCloverQuarkActionType" substitutionGroup="cloverQuarkAction">
  <xs:annotation>
    <xs:documentation>The Clover Wilson quark action where the coefficient has been determined non-perturbatively</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="numberOfFlavours" type="xs:integer">
  <xs:annotation>
    <xs:documentation>The number of flavours of quarks that have the action defined by the following couplings</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="observables">
  <xs:annotation>
    <xs:documentation>Observables calculated on configurations of this ensemble</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence maxOccurs="unbounded">
      <xs:element name="elem" type="observableType"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="elem" type="observableType"/>

<xs:element name="physics">
  <xs:annotation>
    <xs:documentation>Contains the physics information</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="size"/>
      <xs:element ref="action"/>
      <xs:element ref="observables" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="plaquetteGluonAction" type="plaquetteGluonActionType" substitutionGroup="generalGluonAction">
  <xs:annotation>
    <xs:documentation>The Wilson plaquette action, has a coupling beta</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="quarkField">
  <xs:annotation>
    <xs:documentation>Describes the quark field normalisation and boundary conditions</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="normalisation" type="xs:string"/>
      <xs:element ref="boundaryCondition"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="normalisation" type="xs:string"/>

<xs:element name="sixLinkGluonAction" type="sixLinkGluonActionType" abstract="true" substitutionGroup="plaquetteGluonAction">
  <xs:annotation>
    <xs:documentation>Abstract class of all six link gluon action. Doesn't fix the couplings.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="size">
  <xs:annotation>
    <xs:documentation>The simulation size, for each dimension, as well as the order of the dimensioons</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="elem" type="dimensionType" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="elem" type="dimensionType" maxOccurs="unbounded"/>

<xs:element name="stoutLinkUnitarization" type="stoutLinkUnitarizationType" substitutionGroup="linkUnitarization"/>

<xs:element name="tpCloverQuarkAction" type="tpCloverQuarkActionType" substitutionGroup="cloverQuarkAction">
  <xs:annotation>
    <xs:documentation>The Clover Wilson quark action where the coefficient has been determined by tadpole improved perturbation theory</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="tpLuescherWeiszGluonAction" type="tpLuescherWeiszGluonActionType" substitutionGroup="sixLinkGluonAction">
  <xs:annotation>
    <xs:documentation>The Luescher-Weisz gluon action with tadpole-improved coefficients is a six link action</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="treelevelSymanzikGluonAction" type="treelevelSymanzikGluonActionType" substitutionGroup="sixLinkGluonAction">
  <xs:annotation>
    <xs:documentation>The treelevel Symanzik action is a six link action with specific couplings</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="wilsonQuarkAction" type="wilsonQuarkActionType" substitutionGroup="generalQuarkAction">
  <xs:annotation>
    <xs:documentation>The wilson quark action, has a coupling kappa</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="wilsonTmQuarkAction" type="wilsonTmQuarkActionType" substitutionGroup="wilsonQuarkAction">
  <xs:annotation>
    <xs:documentation>The Wilson twisted mass quark action</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:complexType name="algorithmType">
  <xs:annotation>
    <xs:documentation>The type for algorithms</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element name="name" type="xs:Name"/>
    <xs:element name="glossary" type="xs:anyURI"/>
    <xs:element name="reference" type="xs:string"/>
    <xs:element name="exact" type="xs:boolean"/>
    <xs:element name="parameters" minOccurs="0">
      <xs:complexType>
        <xs:complexContent>
          <xs:extension base="parameterType"/>
        </xs:complexContent>
      </xs:complexType>
    </xs:element>
    <xs:any namespace="##other" minOccurs="0" maxOccurs="unbounded"/>
  </xs:sequence>
</xs:complexType>

<xs:element name="name" type="xs:Name"/>

<xs:element name="glossary" type="xs:anyURI"/>

<xs:element name="reference" type="xs:string"/>

<xs:element name="exact" type="xs:boolean"/>

<xs:element name="parameters" minOccurs="0">
  <xs:complexType>
    <xs:complexContent>
      <xs:extension base="parameterType"/>
    </xs:complexContent>
  </xs:complexType>
</xs:element>

<xs:complexType name="anisotropicApeLinkBlockingType">
  <xs:annotation>
    <xs:documentation>Block the links using an anisotropic APE blocking method. rho0S, rho1SS and rho1ST are coefficients for blocking links in spatial direction: rho0S is the coefficient of the link, rho1SS is that in front of the sum of 4 space-space staples, rho1ST is that in front of the sum of 2 space-time staples. rho0T and rho1TS are coefficients for blocking links in temporal direction: rho0T is the coefficient of the link, rho1TS is the coefficient in front of the sum of 6 space-time staples. Reference: Phys. Lett. B192 163, 1987 and QCDml documentation.</xs:documentation>
  </xs:annotation>
  <xs:complexContent>
    <xs:extension base="linkBlockingType">
      <xs:sequence>
        <xs:element name="rho0S" type="couplingType"/>
        <xs:element name="rho0T" type="couplingType"/>
        <xs:element name="rho1SS" type="couplingType"/>
        <xs:element name="rho1ST" type="couplingType"/>
        <xs:element name="rho1TS" type="couplingType"/>
      </xs:sequence>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>

<xs:element name="rho0S" type="couplingType"/>

<xs:element name="rho0T" type="couplingType"/>

<xs:element name="rho1SS" type="couplingType"/>

<xs:element name="rho1ST" type="couplingType"/>

<xs:element name="rho1TS" type="couplingType"/>

<xs:complexType name="anisotropicCloverQuarkActionType">
  <xs:complexContent>
    <xs:extension base="anisotropicWilsonQuarkActionType">
      <xs:sequence>
        <xs:element name="cSWSpatial" type="couplingType"/>
        <xs:element name="cSWTemporal" type="couplingType"/>
      </xs:sequence>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>

<xs:element name="cSWSpatial" type="couplingType"/>

<xs:element name="cSWTemporal" type="couplingType"/>

<xs:complexType name="anisotropicGluonActionType">
  <xs:complexContent>
    <xs:extension base="generalGluonActionType">
      <xs:sequence>
        <xs:element name="xi0" type="couplingType" default="1.0"/>
        <xs:element name="anisoDirection" type="xs:Name" default="T"/>
      </xs:sequence>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>

<xs:element name="xi0" type="couplingType" default="1.0"/>

<xs:element name="anisoDirection" type="xs:Name" default="T"/>

<xs:complexType name="anisotropicQuarkActionType">
  <xs:complexContent>
    <xs:extension base="generalQuarkActionType">
      <xs:sequence>
        <xs:element name="xi0" type="couplingType" default="1.0"/>
        <xs:element name="anisoDirection" type="xs:Name" default="T"/>
        <!-- Bare anisotropy of the gauge fields -->
      </xs:sequence>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>

<xs:element name="xi0" type="couplingType" default="1.0"/>

<xs:element name="anisoDirection" type="xs:Name" default="T"/>

<xs:complexType name="anisotropicTpWilsonGluonActionType">
  <xs:complexContent>
    <xs:extension base="anisotropicWilsonGluonActionType">
      <xs:sequence>
        <xs:element name="tadpoleSpatial" type="couplingType"/>
        <xs:element name="tadpoleTemporal" type="couplingType"/>
      </xs:sequence>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>

<xs:element name="tadpoleSpatial" type="couplingType"/>