<?xml version="1.0" encoding="utf-8"?>

<xs:schema

    id="ValueRequest"

    xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <!-- Primary Request Structure -->

  <xs:complexType name="Request">

    <xs:sequence>

      <xs:element name="Value" type="RequestType" />

      <xs:element name="SpotStatus" type="SpotStatusType" />

      <xs:element name="TreeCount" type="TreeCountType" />

    </xs:sequence>

  </xs:complexType>

  <!-- Life Stage name enumeration -->

  <xs:simpleType name="StageNameType">

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

      <xs:enumeration value="Attacking" />

      <xs:enumeration value="Parent" />

      <xs:enumeration value="Egg" />

      <xs:enumeration value="Immature" />

      <xs:enumeration value="Brood" />

      <xs:enumeration value="Emerging" />

    </xs:restriction>

  </xs:simpleType>

  <!-- Spot Status -->

  <xs:complexType name="SpotStatusType">

    <xs:all>

      <xs:element name="ZeroHour" type="xs:int" />

      <xs:element name="OrdinalHour" type="xs:int" />

      <xs:element name="OrdinalDay" type="xs:int" />

      <xs:element name="OrdinalDaySquared" type="xs:int" />

      <xs:element name="HourOfDay" type="xs:int" />

      <xs:element name="Latitude" type="xs:double" />

      <xs:element name="Longitude" type="xs:double" />

      <xs:element name="Temperature" type="xs:double" />

      <xs:element name="LoblollyRatio" type="xs:double" />

      <xs:element name="ShortleafRatio" type="xs:double" />

      <xs:element name="PineBasalArea" type="xs:double" />

      <xs:element name="HardwoodBasalArea" type="xs:double" />

      <xs:element name="MeanDiameterBreastHeight" type="xs:double" />

      <xs:element name="AverageInfestedBarkArea" type="xs:double" />

      <xs:element name="PinesPerHectare" type="xs:double" />

    </xs:all>

  </xs:complexType>

  <!-- Life Stage Double List -->

  <xs:complexType name="TreeCountType">

    <xs:all>

      <xs:element name="Attacking" type="xs:double" />

      <xs:element name="Parent" type="xs:double" />

      <xs:element name="Egg" type="xs:double" />

      <xs:element name="Immature" type="xs:double" />

      <xs:element name="Brood" type="xs:double" />

      <xs:element name="Emerging" type="xs:double" />

    </xs:all>

  </xs:complexType>

  <!-- The Request Structure - <Property>StageName</Property> -->

  <xs:complexType name="RequestType">

    <xs:choice maxOccurs="unbounded">

      <xs:element name="Activity" type="StageNameType"/>

      <xs:element name="Density" type="StageNameType" />

      <xs:element name="Development" type="StageNameType" />

      <xs:element name="Mortality" type="StageNameType" />

      <xs:element name="InitialPopulation" type="StageNameType" />

    </xs:choice>

  </xs:complexType>

</xs:schema>