environments.xsd

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
    elementFormDefault="qualified" attributeFormDefault="unqualified"
	xmlns="http://vamdc.org/xml/xsams/1.0"
	xmlns:xsams="http://vamdc.org/xml/xsams/1.0"
	targetNamespace="http://vamdc.org/xml/xsams/1.0">
    
    <xs:include schemaLocation="typesAttributes.xsd"/>
    
    <xs:element name="Environments" type="EnvironmentsType">
        <xs:annotation>
            <xs:documentation>A list of environments relevant to the data</xs:documentation>
        </xs:annotation>
    </xs:element>
    
    <xs:complexType name="EnvironmentsType">
        <xs:sequence>
            <xs:element name="Environment" type="EnvironmentType" minOccurs="1" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>
    
    <xs:complexType name="EnvironmentType">
        <xs:annotation>
            <xs:documentation>Description of some equilibrium reference conditions or environment relevant to put some data into context</xs:documentation>
        </xs:annotation>
        <xs:complexContent>
            <xs:extension base="PrimaryType">
                <xs:sequence>
                    <xs:element name="Temperature" type="DataType" minOccurs="0" maxOccurs="1"/>
                    <xs:element name="TotalPressure" type="DataType" minOccurs="0" maxOccurs="1"/>
                    <xs:element name="TotalNumberDensity" type="DataType" minOccurs="0" maxOccurs="1"/>
                    <xs:element name="Composition" type="CompositionType" minOccurs="0" maxOccurs="1"/>
                </xs:sequence>
		<xs:attribute name="envID" type="EnvironmentIDType" use="required"/>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>
    
    <xs:complexType name="CompositionType">
        <xs:annotation>
            <xs:documentation>Description of the equilibrium composition of a particular environment</xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:element name="Species" type="ReferencedSpeciesType" minOccurs="1" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>
    <xs:complexType name="ReferencedSpeciesType">
        <xs:annotation>
            <xs:documentation>A named species or reference to a species with a given equilibrium concentration, mole fraction or partial pressure</xs:documentation>
        </xs:annotation>
        <xs:choice>
            <xs:element name="PartialPressure" type="DataType" minOccurs="0" maxOccurs="1"/>
            <xs:element name="MoleFraction" type="DataType" minOccurs="0" maxOccurs="1"/>
            <xs:element name="Concentration" type="DataType" minOccurs="0" maxOccurs="1"/>
        </xs:choice>
        <xs:attribute name="name" type="xs:string" use="optional"/>
        <xs:attribute name="speciesRef" type="SpeciesRefType" use="optional"/>
    </xs:complexType>
</xs:schema>