<xsd:schema targetNamespace="http://genmapp.org/GPML/2010a"
	xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
	xmlns:gpml="http://genmapp.org/GPML/2010a"
	elementFormDefault="qualified"
	>

	<!-- GenMAPP Pathway Markup Language version 2010a -->

	<!-- Type Definitions -->	
	<xsd:attributeGroup name="FontAttributes">
		<xsd:attribute name="FontName" default="Arial"
			type="xsd:string"/>
		<xsd:attribute name="FontStyle" default="Normal">
			<xsd:simpleType>
				<xsd:restriction base="xsd:string">
					<xsd:enumeration value="Normal"/>
					<xsd:enumeration value="Italic"/>
				</xsd:restriction>
			</xsd:simpleType>
		</xsd:attribute>
		<xsd:attribute name="FontDecoration" default="Normal">
			<xsd:simpleType>
				<xsd:restriction base="xsd:string">
					<xsd:enumeration value="Normal"/>
					<xsd:enumeration value="Underline"/>
				</xsd:restriction>
			</xsd:simpleType>
		</xsd:attribute>
		<xsd:attribute name="FontStrikethru" default="Normal">
			<xsd:simpleType>
				<xsd:restriction base="xsd:string">
					<xsd:enumeration value="Normal"/>
					<xsd:enumeration value="Strikethru"/>
				</xsd:restriction>
			</xsd:simpleType>
		</xsd:attribute>
		<xsd:attribute name="FontWeight" default="Normal">
			<xsd:simpleType>
				<xsd:restriction base="xsd:string">
					<xsd:enumeration value="Normal"/>
					<xsd:enumeration value="Bold"/>
				</xsd:restriction>
			</xsd:simpleType>
		</xsd:attribute>
		<xsd:attribute name="FontSize" type="xsd:nonNegativeInteger"
			default="12"/>
		<xsd:attribute name="Align" default="Center">
			<!-- Horizontal alignment -->
			<xsd:simpleType>
				<xsd:restriction base="xsd:string">
					<xsd:enumeration value="Left"/>
					<xsd:enumeration value="Center"/>
					<xsd:enumeration value="Right"/>
				</xsd:restriction>
			</xsd:simpleType>
		</xsd:attribute>
		<xsd:attribute name="Valign" default="Top">
			<!-- Vertical alignment -->
			<xsd:simpleType>
				<xsd:restriction base="xsd:string">
					<xsd:enumeration value="Top"/>
					<xsd:enumeration value="Middle"/>
					<xsd:enumeration value="Bottom"/>
				</xsd:restriction>
			</xsd:simpleType>
		</xsd:attribute>
	</xsd:attributeGroup>

	<xsd:attributeGroup name="RectAttributes">
		<xsd:attribute name="CenterX" type="xsd:float" use="required"/>
		<xsd:attribute name="CenterY" type="xsd:float" use="required"/>
		<xsd:attribute name="Width" type="gpml:Dimension" use="required" />
		<xsd:attribute name="Height" type="gpml:Dimension" use="required" />
	</xsd:attributeGroup>

	<xsd:attributeGroup name="ShapeStyleAttributes">
		<xsd:attribute name="Color" type="gpml:ColorType" default="Black"/>
		<xsd:attribute name="LineStyle" type="gpml:StyleType" default="Solid" />
		<xsd:attribute name="LineThickness" type="xsd:float" default="1.0" />
	</xsd:attributeGroup>

	<!-- a rotation is either a float value or a string for each of the four right angles !-->
	<xsd:simpleType name="RotationType">
		<xsd:union>
			<xsd:simpleType>
				<xsd:restriction base="xsd:string">
					<xsd:enumeration value="Top"/> <!-- rotation of 0.0 !-->
					<xsd:enumeration value="Right"/> <!-- rotation of 1/2 pi !-->
					<xsd:enumeration value="Bottom"/> <!-- rotation of 1 pi !-->
					<xsd:enumeration value="Left"/> <!-- rotation of 3/2 pi !-->
				</xsd:restriction>
			</xsd:simpleType>
			<xsd:simpleType>
				<xsd:restriction base="xsd:float"/> <!-- rotation is always measured in radians !-->
			</xsd:simpleType>
		</xsd:union>
		
	</xsd:simpleType>

	<xsd:simpleType name="ColorType">
		<xsd:union>
			<xsd:simpleType>
				<xsd:restriction base="xsd:hexBinary"/>
			</xsd:simpleType>
			<xsd:simpleType>
				<xsd:restriction base="xsd:string">
					<xsd:enumeration value="Aqua"/>
					<xsd:enumeration value="Black"/>
					<xsd:enumeration value="Blue"/>
					<xsd:enumeration value="Fuchsia"/>
					<xsd:enumeration value="Gray"/>
					<xsd:enumeration value="Green"/>
					<xsd:enumeration value="Lime"/>
					<xsd:enumeration value="Maroon"/>
					<xsd:enumeration value="Navy"/>
					<xsd:enumeration value="Olive"/>
					<xsd:enumeration value="Purple"/>
					<xsd:enumeration value="Red"/>
					<xsd:enumeration value="Silver"/>
					<xsd:enumeration value="Teal"/>
					<xsd:enumeration value="White"/>
					<xsd:enumeration value="Yellow"/>
					<xsd:enumeration value="Transparent"/>
				</xsd:restriction>
			</xsd:simpleType>
		</xsd:union>
	</xsd:simpleType>

	<xsd:simpleType name="StyleType">
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="Solid"/>
			<xsd:enumeration value="Broken"/>
		</xsd:restriction>
	</xsd:simpleType>

	<!-- use Dimension for width and height, they can't be nagative !-->
	<xsd:simpleType name="Dimension">
		<xsd:restriction base="xsd:float">
			<xsd:minInclusive value="0" />
		</xsd:restriction>
	</xsd:simpleType>

	<!-- One or more comments - bundles GenMAPP notes and GenMAPP remarks together !-->
	<xsd:group name="CommentGroup">
		<xsd:sequence>
			<xsd:element name="Comment" minOccurs="0"
			maxOccurs="unbounded">
				<xsd:complexType>
					<xsd:simpleContent>
						<xsd:extension base="xsd:string">
							<xsd:attribute name="Source" type="xsd:string"/>
						</xsd:extension>
					</xsd:simpleContent>
				</xsd:complexType>
			</xsd:element>
			<xsd:element name="PublicationXref" minOccurs="0" maxOccurs="unbounded">
				<xsd:complexType>
					<xsd:attribute name="ID" type="xsd:string" use="required"/>
					<xsd:attribute name="Database" type="xsd:string" use="required"/>
				</xsd:complexType>
			</xsd:element>
			<xsd:element name="BiopaxRef" minOccurs="0" maxOccurs="unbounded"/>		
			<xsd:element name="Attribute" minOccurs="0"
			maxOccurs="unbounded">
				<xsd:complexType>
					<xsd:attribute name="Key" type="xsd:string" use="required"/>
					<xsd:attribute name="Value" type="xsd:string" use="required"/>
				</xsd:complexType>
			</xsd:element>
		</xsd:sequence>
	</xsd:group>
	
<!-- End: Type Definitions -->

<!-- Pathway -->
	<xsd:element name="Pathway">
		<xsd:complexType>
			<xsd:sequence>

				<xsd:group ref="gpml:CommentGroup"/>
				
				<xsd:element name="Graphics" minOccurs="0" maxOccurs="1">
					<xsd:complexType>
						<xsd:attribute name="BoardWidth" type="gpml:Dimension"
							use="required"/>
						<xsd:attribute name="BoardHeight" type="gpml:Dimension"
							use="required"/>
					</xsd:complexType>
				</xsd:element>

				<xsd:element ref="gpml:DataNode" minOccurs="0" maxOccurs="unbounded"/>

				<xsd:element ref="gpml:State" minOccurs="0" maxOccurs="unbounded"/>

				<xsd:element ref="gpml:Line" minOccurs="0" maxOccurs="unbounded"/>

				<xsd:element ref="gpml:Label" minOccurs="0" maxOccurs="unbounded"/>

				<xsd:element ref="gpml:Shape" minOccurs="0" maxOccurs="unbounded"/>

				<xsd:element ref="gpml:Group" minOccurs="0" maxOccurs="unbounded"/>

				<xsd:element ref="gpml:InfoBox" minOccurs="1" maxOccurs="1" />
				
				<xsd:element ref="gpml:Legend" minOccurs="0" maxOccurs="1"/>

				<xsd:element ref="gpml:Biopax" minOccurs="0" maxOccurs="1"/>
			</xsd:sequence>

			<xsd:attribute name="Name" type="xsd:string" use="required">
				<!--  GenMAPP Pathway Title -->
			</xsd:attribute>

			<xsd:attribute name="Organism" type="xsd:string" use="optional">
				<!-- Organism is not a field in the
						GenMAPP database at this time, but we want to preserve this
						information when importing maps, and also when exporting maps.
						GenMAPP maps have the organism implied from the
						filename. -->
			</xsd:attribute>

			<xsd:attribute name="Data-Source" type="xsd:string" use="optional">
				<!-- On import to GenMAPP,
						Data-Source value could be 'KEGG', 'Cytoscape', etc.  On export
						from GenMAPP, value should be 'GenMAPP' with version
						number. -->
			</xsd:attribute>

			<xsd:attribute name="Version" type="xsd:string" use="optional">
				<!-- GenMAPP version, use for export
					of maps from GenMAPP only. -->
			</xsd:attribute>

			<xsd:attribute name="Author" type="xsd:string" use="optional"/>

			<xsd:attribute name="Maintainer" type="xsd:string" use="optional"/>

			<xsd:attribute name="Email" type="xsd:string" use="optional"/>

			<xsd:attribute name="License" type="xsd:string" use="optional"/>

			<xsd:attribute name="Last-Modified" type="xsd:string" use="optional">
				<!-- Last modification date, in the form of YYYYMMDD -->
			</xsd:attribute>

			<xsd:attribute name="BiopaxRef" type="xsd:string" use="optional" />

		</xsd:complexType>
	</xsd:element>
<!-- End: Pathway -->


<!-- Data Node -->
	<xsd:element name="DataNode">

		<!-- DataNode is the old GeneProduct, a gene in GenMAPP
				terminology. -->
		<xsd:complexType>

			<xsd:sequence>

				<xsd:group ref="gpml:CommentGroup"/>
				
				<xsd:element name="Graphics" minOccurs="1" maxOccurs="1">
					<xsd:complexType>
						<xsd:attributeGroup ref="gpml:RectAttributes"/>
						<xsd:attributeGroup ref="gpml:FontAttributes"/>
						<xsd:attributeGroup ref="gpml:ShapeStyleAttributes"/>
						<xsd:attribute name="FillColor" type="gpml:ColorType" default="White"/>
						<xsd:attribute name="ShapeType" type="xsd:string" default="Rectangle"/>
						<xsd:attribute name="ZOrder" type="xsd:integer" use="optional"/>
					</xsd:complexType>
				</xsd:element>
				<xsd:element name="Xref" minOccurs="1" maxOccurs="1">
					<xsd:complexType>
						<xsd:attribute name="Database" type="xsd:string" use="required"/>
						<xsd:attribute name="ID" type="xsd:string" use="required"/>						
					</xsd:complexType>
				</xsd:element>
			</xsd:sequence>
			
			<xsd:attribute name="BiopaxRef" type="xsd:string" use="optional" />
            <xsd:attribute name="GraphId" type="xsd:ID" use="optional" />
            <xsd:attribute name="GroupRef" type="xsd:string" use="optional" />

			<xsd:attribute name="TextLabel" use="required" type="xsd:string"/>
		
			<xsd:attribute name="Type" type="xsd:string" default="Unknown">
			<!-- Old versions of GPML only allowed these values for Type:
				"Protein", "Rna", "Complex", "GeneProduct", "Metabolite" and "Unknown". 
				It's recommended that you use these values as often as possible. -->
			</xsd:attribute>

		</xsd:complexType>

	</xsd:element>
<!-- End: DataNode -->

<!-- State -->
	<xsd:element name="State">
		<xsd:complexType>
			<xsd:sequence>
				<xsd:group ref="gpml:CommentGroup"/>
				<xsd:element name="Graphics" minOccurs="1" maxOccurs="1">
					<xsd:complexType>
						<xsd:attribute name="RelX" type="xsd:float" use="required"/>
						<xsd:attribute name="RelY" type="xsd:float" use="required"/>
						<xsd:attribute name="Width" type="gpml:Dimension" use="required" />
						<xsd:attribute name="Height" type="gpml:Dimension" use="required" />
						<xsd:attributeGroup ref="gpml:ShapeStyleAttributes"/>
						<xsd:attribute name="FillColor" type="gpml:ColorType" default="White"/>
						<xsd:attribute name="ShapeType" type="xsd:string" default="Rectangle"/>
						<xsd:attribute name="ZOrder" type="xsd:integer" use="optional"/>
					</xsd:complexType>
				</xsd:element>
				<xsd:element name="Xref" minOccurs="0" maxOccurs="1">
					<xsd:complexType>
						<xsd:attribute name="Database" type="xsd:string" use="required"/>
						<xsd:attribute name="ID" type="xsd:string" use="required"/>						
					</xsd:complexType>
				</xsd:element>
			</xsd:sequence>
			
			<xsd:attribute name="BiopaxRef" type="xsd:string" use="optional" />
            <xsd:attribute name="GraphId" type="xsd:ID" use="optional" />
			<xsd:attribute name="GraphRef" type="xsd:IDREF" use="optional" />
			
			<xsd:attribute name="TextLabel" use="required" type="xsd:string"/>
		
			<xsd:attribute name="StateType" type="xsd:string" default="Unknown"/>
			<!-- Biological modification type. suggested values: Phosphorylated, Glycosylated, Activated, ... !-->

		</xsd:complexType>

	</xsd:element>
<!-- End: State -->

<!-- Line -->
	<xsd:element name="Line">

		<xsd:complexType>

			<xsd:sequence>

				<xsd:group ref="gpml:CommentGroup" />

				<xsd:element name="Graphics" minOccurs="1"
					maxOccurs="1">
					<xsd:complexType>
						<xsd:sequence>
							<xsd:element name="Point" minOccurs="2"
								maxOccurs="unbounded">
								<xsd:complexType>
									<xsd:attribute name="X"
										type="xsd:float" use="required" />
									<xsd:attribute name="Y"
										type="xsd:float" use="required" />
									<!-- relX and relY are the coordinates used when
									a point is linked to another object (when GraphRef
									is defined). They represent he coordinates of the 
									point relative to the object that it's linked to, where
									0,0 lies at the center of the object and 1,1 at the bottom-right
									corner -->
									<xsd:attribute name="RelX"
										type="xsd:float" use="optional" />
									<xsd:attribute name="RelY"
										type="xsd:float" use="optional" />
									<xsd:attribute name="GraphRef"
										type="xsd:IDREF" use="optional" />
									<xsd:attribute name="GraphId"
										type="xsd:ID" use="optional" />
									<!-- 
									Note: only the ArrowHead attribute on first and last points are used, the rest is ignored.
										!-->
									<xsd:attribute name="ArrowHead"
										default="Line" type="xsd:string" />
								</xsd:complexType>
							</xsd:element>
							<xsd:element name="Anchor" minOccurs="0" maxOccurs="unbounded">
								<xsd:complexType>
									<xsd:attribute name="Position"
										type="xsd:float" use="required" />
									<xsd:attribute name="GraphId"
										type="xsd:ID" use="optional" />
									<xsd:attribute name="Shape"
										default="ReceptorRound" type="xsd:string" />
								</xsd:complexType>
							</xsd:element>
						</xsd:sequence>
						<xsd:attribute name="Color"
							type="gpml:ColorType" default="Black" />
						<xsd:attribute name="LineThickness" type="xsd:float"/>
						<xsd:attribute name="LineStyle" type="gpml:StyleType"
							default="Solid" />
						<xsd:attribute name="ConnectorType"
							type="xsd:string" use="optional" default="Straight"/>
						<xsd:attribute name="ZOrder"
							type="xsd:integer" use="optional"/>
					</xsd:complexType>
				</xsd:element>

			</xsd:sequence>

			<xsd:attribute name="GroupRef" type="xsd:string"
				use="optional" />
			<xsd:attribute name="BiopaxRef" type="xsd:string"
				use="optional" />

			<xsd:attribute name="GraphId" type="xsd:ID" use="optional" />
		</xsd:complexType>

	</xsd:element>
<!-- End: Line -->

<!-- Label -->
	<xsd:element name="Label">

		<xsd:complexType>
			<!--  This is text on a GenMAPP map that
				can have associated comments. -->

			<xsd:sequence>

				<xsd:group ref="gpml:CommentGroup"/>

				<xsd:element name="Graphics" minOccurs="1" maxOccurs="1">
					<xsd:complexType>
						<xsd:attributeGroup ref="gpml:RectAttributes"/>
						<xsd:attributeGroup ref="gpml:FontAttributes" />
						<xsd:attributeGroup ref="gpml:ShapeStyleAttributes" />
						<xsd:attribute name="FillColor" type="gpml:ColorType" default="Transparent"/>
						<xsd:attribute name="ShapeType" type="xsd:string" default="None"/>
						<xsd:attribute name="ZOrder" type="xsd:integer" use="optional"/>
					</xsd:complexType>
				</xsd:element>

			</xsd:sequence>
			
			<!-- for a reference to a url !-->
			<xsd:attribute name="Href" use="optional" type="xsd:string" />
			
			<xsd:attribute name="BiopaxRef" type="xsd:string" use="optional" />
			<xsd:attribute name="GraphId" type="xsd:ID" use="optional" />
			<xsd:attribute name="GroupRef" type="xsd:string" use="optional" />

			<xsd:attribute name="TextLabel" use="required" type="xsd:string"/>			
		</xsd:complexType>

	</xsd:element>
<!-- End: Label -->

<!-- Shape -->
	<xsd:element name="Shape">

		<xsd:complexType>

			<xsd:sequence>

				<xsd:group ref="gpml:CommentGroup" />

				<xsd:element name="Graphics" minOccurs="1" maxOccurs="1">
					<xsd:complexType>
						<xsd:attributeGroup ref="gpml:RectAttributes"/>
						<xsd:attributeGroup ref="gpml:FontAttributes" />
						<xsd:attributeGroup ref="gpml:ShapeStyleAttributes" />
						<xsd:attribute name="FillColor" type="gpml:ColorType" default="Transparent"/>
						<xsd:attribute name="ShapeType" type="xsd:string" use="required"/>
						<xsd:attribute name="ZOrder" type="xsd:integer" use="optional"/>
						<xsd:attribute name="Rotation" type="gpml:RotationType" default="Top" />
					</xsd:complexType>
				</xsd:element>

			</xsd:sequence>

			<xsd:attribute name="BiopaxRef" type="xsd:string" use="optional" />
			<xsd:attribute name="GraphId" type="xsd:ID" use="optional" />
			<xsd:attribute name="GroupRef" type="xsd:string" use="optional" />

			<xsd:attribute name="TextLabel" use="optional" type="xsd:string"/>

		</xsd:complexType>

	</xsd:element>
<!-- End: Shape -->

<!-- Group -->

	<xsd:element name="Group">	
		<xsd:complexType>
			<xsd:sequence>
				<xsd:group ref="gpml:CommentGroup" />
			</xsd:sequence>
			<xsd:attribute name="BiopaxRef" type="xsd:string"
				use="optional" />
			<xsd:attribute name="GroupId" type="xsd:string" use="required" />
			<xsd:attribute name="GroupRef" type="xsd:string"
				use="optional" />
			<xsd:attribute name="Style" type="xsd:string" default="None" />
			<xsd:attribute name="TextLabel" type="xsd:string"
				use="optional" />
			<xsd:attribute name="GraphId" type="xsd:ID" use="optional" />
		</xsd:complexType>
	</xsd:element>

<!-- InfoBox -->
	<xsd:element name="InfoBox">
		<!-- InfoBox element holds the
			coordinates on the GenMAPP layout where the Information kept in the
			Info table will be displayed in the mapp. -->
	
		<xsd:complexType>
			<xsd:attribute name="CenterX" type="xsd:float" use="required"/>
			<xsd:attribute name="CenterY" type="xsd:float" use="required"/>
		</xsd:complexType>
	</xsd:element>
<!-- End: InfoBox -->

<!-- Legend -->
	<xsd:element name="Legend">	
		<xsd:complexType>
			<xsd:attribute name="CenterX" type="xsd:float" use="required"/>
			<xsd:attribute name="CenterY" type="xsd:float" use="required"/>
		</xsd:complexType>
	</xsd:element>
<!-- End: Legend -->

<!-- Biopax -->
	<xsd:element name="Biopax">
		<xsd:complexType>
			<xsd:sequence>
				<xsd:any namespace="http://www.biopax.org/release/biopax-level3.owl#"
					processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
			</xsd:sequence>
		</xsd:complexType>
	</xsd:element>
<!-- End: Biopax -->

</xsd:schema>