styledlayerdescriptor.xsd

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<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema targetNamespace="http://www.opengis.net/sld"
            xmlns:sld="http://www.opengis.net/sld"
            xmlns:ogc="http://www.opengis.net/ogc"
            xmlns:xlink="http://www.w3.org/1999/xlink"
            xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            elementFormDefault="qualified">
  <xsd:import namespace="http://www.w3.org/1999/xlink"
              schemaLocation="xlinks.xsd"/>
  <xsd:import namespace="http://www.opengis.net/ogc"
              schemaLocation="filter.xsd"/>

<!-- *********************************************************************** -->
  <xsd:annotation>
    <xsd:documentation>
      STYLED LAYER DESCRIPTOR version 1.0.0 (2002-09-21)
    </xsd:documentation>
  </xsd:annotation>

  <xsd:element name="StyledLayerDescriptor">
    <xsd:annotation>
      <xsd:documentation>
        A StyledLayerDescriptor is a sequence of styled layers, represented
        at the first level by NamedLayer and UserLayer elements.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Name" minOccurs="0"/>
        <xsd:element ref="sld:Title" minOccurs="0"/>
        <xsd:element ref="sld:Abstract" minOccurs="0"/>
        <xsd:choice minOccurs="0" maxOccurs="unbounded">
          <xsd:element ref="sld:NamedLayer"/>
          <xsd:element ref="sld:UserLayer"/>
        </xsd:choice>
      </xsd:sequence>
      <xsd:attribute name="version" type="xsd:string" use="required"
                     fixed="1.0.0"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Name" type="xsd:string"/>
  <xsd:element name="Title" type="xsd:string"/>
  <xsd:element name="Abstract" type="xsd:string"/>

<!-- *********************************************************************** -->
  <xsd:annotation>
    <xsd:documentation>
      LAYERS AND STYLES
    </xsd:documentation>
  </xsd:annotation>

  <xsd:element name="NamedLayer">
    <xsd:annotation>
      <xsd:documentation>
        A NamedLayer is a layer of data that has a name advertised by a WMS.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Name"/>
        <xsd:element ref="sld:LayerFeatureConstraints" minOccurs="0"/>
        <xsd:choice minOccurs="0" maxOccurs="unbounded">
          <xsd:element ref="sld:NamedStyle"/>
          <xsd:element ref="sld:UserStyle"/>
        </xsd:choice>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="NamedStyle">
    <xsd:annotation>
      <xsd:documentation>
        A NamedStyle is used to refer to a style that has a name in a WMS.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Name"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="UserLayer">
    <xsd:annotation>
      <xsd:documentation>
        A UserLayer allows a user-defined layer to be built from WFS and
        WCS data.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Name" minOccurs="0"/>
        
        <xsd:choice minOccurs="0">
	        <xsd:element ref="sld:InlineFeature"/>
	        <xsd:element ref="sld:RemoteOWS" minOccurs="0"/>
	</xsd:choice>
	
        <xsd:element ref="sld:LayerFeatureConstraints"/>
        <xsd:element ref="sld:UserStyle" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  
  <xsd:element name="InlineFeature">
    <xsd:complexType>
      <xsd:sequence> 
        <xsd:any minOccurs="0" maxOccurs="unbounded" processContents="lax"/>     
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>


  <xsd:element name="RemoteOWS">
    <xsd:annotation>
      <xsd:documentation>
        A RemoteOWS gives a reference to a remote WFS/WCS/other-OWS server. 
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Service"/>
        <xsd:element ref="sld:OnlineResource"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="Service">
    <xsd:annotation>
      <xsd:documentation>
        A Service refers to the type of a remote OWS server.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:simpleType>
      <xsd:restriction base="xsd:string">
        <xsd:enumeration value="WFS"/>
        <xsd:enumeration value="WCS"/>
      </xsd:restriction>
    </xsd:simpleType>
  </xsd:element>

  <xsd:element name="OnlineResource">
    <xsd:annotation>
      <xsd:documentation>
        An OnlineResource is typically used to refer to an HTTP URL.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:attributeGroup ref="xlink:simpleLink"/>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="LayerFeatureConstraints">
    <xsd:annotation>
      <xsd:documentation>
        LayerFeatureConstraints define what features &amp; feature types are
        referenced in a layer.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:FeatureTypeConstraint" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="FeatureTypeConstraint">
    <xsd:annotation>
      <xsd:documentation>
        A FeatureTypeConstraint identifies a specific feature type and
        supplies fitlering.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:FeatureTypeName" minOccurs="0"/>
        <xsd:element ref="ogc:Filter" minOccurs="0"/>
        <xsd:element ref="sld:Extent" minOccurs="0" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="FeatureTypeName" type="xsd:string"/>

  <xsd:element name="Extent">
    <xsd:annotation>
      <xsd:documentation>
        An Extent gives feature/coverage/raster/matrix dimension extent. 
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Name"/>
        <xsd:element ref="sld:Value"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Value" type="xsd:string"/>

  <xsd:element name="UserStyle">
    <xsd:annotation>
      <xsd:documentation>
        A UserStyle allows user-defined styling and is semantically
        equivalent to a WMS named style.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Name" minOccurs="0"/>
        <xsd:element ref="sld:Title" minOccurs="0"/>
        <xsd:element ref="sld:Abstract" minOccurs="0"/>
        <xsd:element ref="sld:IsDefault" minOccurs="0"/>
        <xsd:element ref="sld:FeatureTypeStyle" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="IsDefault" type="xsd:string"/>

<!-- *********************************************************************** -->
  <xsd:annotation>
    <xsd:documentation>
      FEATURE-TYPE STYLING
    </xsd:documentation>
  </xsd:annotation>

  <xsd:element name="FeatureTypeStyle">
  <xsd:annotation>
    <xsd:documentation>
      A FeatureTypeStyle contains styling information specific to one
      feature type.  This is the SLD level that separates the 'layer'
      handling from the 'feature' handling.
    </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Name" minOccurs="0"/>
        <xsd:element ref="sld:Title" minOccurs="0"/>
        <xsd:element ref="sld:Abstract" minOccurs="0"/>
        <xsd:element ref="sld:FeatureTypeName" minOccurs="0"/>
        <xsd:element ref="sld:SemanticTypeIdentifier" minOccurs="0"
                    maxOccurs="unbounded"/>
        <xsd:element ref="sld:Rule" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="SemanticTypeIdentifier" type="xsd:string"/>

  <xsd:element name="Rule">
    <xsd:annotation>
      <xsd:documentation>
        A Rule is used to attach property/scale conditions to and group
        the individual symbolizers used for rendering.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Name" minOccurs="0"/>
        <xsd:element ref="sld:Title" minOccurs="0"/>
        <xsd:element ref="sld:Abstract" minOccurs="0"/>
        <xsd:element ref="sld:LegendGraphic" minOccurs="0"/>
        <xsd:choice minOccurs="0">
          <xsd:element ref="ogc:Filter"/>
          <xsd:element ref="sld:ElseFilter"/>
        </xsd:choice>
        <xsd:element ref="sld:MinScaleDenominator" minOccurs="0"/>
        <xsd:element ref="sld:MaxScaleDenominator" minOccurs="0"/>
        <xsd:element ref="sld:Symbolizer" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="LegendGraphic">
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Graphic"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="ElseFilter">
    <xsd:complexType/>
  </xsd:element>
  <xsd:element name="MinScaleDenominator" type="xsd:double"/>
  <xsd:element name="MaxScaleDenominator" type="xsd:double"/>

<!-- *********************************************************************** -->
  <xsd:annotation>
    <xsd:documentation>
      SYMBOLIZERS
    </xsd:documentation>
  </xsd:annotation>

  <xsd:element name="Symbolizer" type="sld:SymbolizerType" abstract="true"/>

  <xsd:complexType name="SymbolizerType" abstract="true">
    <xsd:annotation>
      <xsd:documentation>
        A "SymbolizerType" is an abstract type for encoding the graphical
        properties used to portray geographic information.  Concrete symbol
        types are derived from this base type.
      </xsd:documentation>
    </xsd:annotation>
  </xsd:complexType>

<!-- *********************************************************************** -->
  <xsd:annotation>
    <xsd:documentation>
      LINE SYMBOLIZER
    </xsd:documentation>
  </xsd:annotation>

  <xsd:element name="LineSymbolizer" substitutionGroup="sld:Symbolizer">
    <xsd:annotation>
      <xsd:documentation>
        A LineSymbolizer is used to render a "stroke" along a linear geometry.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:complexContent>
        <xsd:extension base="sld:SymbolizerType">
          <xsd:sequence>
            <xsd:element ref="sld:Geometry" minOccurs="0"/>
            <xsd:element ref="sld:Stroke" minOccurs="0"/>
          </xsd:sequence>
        </xsd:extension>
      </xsd:complexContent>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="Geometry">
    <xsd:annotation>
      <xsd:documentation>
        A Geometry gives reference to a (the) geometry property of a
        feature to be used for rendering.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="ogc:PropertyName"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="Stroke">
    <xsd:annotation>
      <xsd:documentation>
        A "Stroke" specifies the appearance of a linear geometry.  It is
        defined in parallel with SVG strokes.  The following CssParameters
        may be used: "stroke" (color), "stroke-opacity", "stroke-width",
        "stroke-linejoin", "stroke-linecap", "stroke-dasharray", and
        "stroke-dashoffset".
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:choice minOccurs="0">
          <xsd:element ref="sld:GraphicFill"/>
          <xsd:element ref="sld:GraphicStroke"/>
        </xsd:choice>
        <xsd:element ref="sld:CssParameter" minOccurs="0"
                     maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="CssParameter">
    <xsd:annotation>
      <xsd:documentation>
        A "CssParameter" refers to an SVG/CSS graphical-formatting
        parameter.  The parameter is identified using the "name" attribute
        and the content of the element gives the SVG/CSS-coded value.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType mixed="true">
      <xsd:complexContent>
        <xsd:extension base="sld:ParameterValueType">
          <xsd:attribute name="name" type="xsd:string" use="required"/>
        </xsd:extension>
      </xsd:complexContent>
    </xsd:complexType>
  </xsd:element>

  <xsd:complexType name="ParameterValueType" mixed="true">
    <xsd:annotation>
      <xsd:documentation>
        The "ParameterValueType" uses WFS-Filter expressions to give
        values for SLD graphic parameters.  A "mixed" element-content
        model is used with textual substitution for values.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:sequence minOccurs="0" maxOccurs="unbounded">
      <xsd:element ref="ogc:expression"/>
    </xsd:sequence>
  </xsd:complexType>

  <xsd:element name="GraphicFill">
    <xsd:annotation>
      <xsd:documentation>
        A "GraphicFill" defines repeated-graphic filling (stippling)
        pattern for an area geometry.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Graphic"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="GraphicStroke">
    <xsd:annotation>
      <xsd:documentation>
        A "GraphicStroke" defines a repated-linear graphic pattern to be used
        for stroking a line.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:sequence>
        <xsd:element ref="sld:Graphic"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>

<!-- *********************************************************************** -->
  <xsd:annotation>
    <xsd:documentation>
      POLYGON SYMBOLIZER
    </xsd:documentation>
  </xsd:annotation>

  <xsd:element name="PolygonSymbolizer" substitutionGroup="sld:Symbolizer">
    <xsd:annotation>
      <xsd:documentation>
        A "PolygonSymbolizer" specifies the rendering of a polygon or
        area geometry, including its interior fill and border stroke.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
      <xsd:complexContent>
        <xsd:extension base="sld:SymbolizerType">
          <xsd:sequence>
            <xsd:element ref="sld:Geometry" minOccurs="0"/>
            <xsd:element ref="sld:Fill" minOccurs="0"/>
            <xsd:element ref="sld:Stroke" minOccurs="0"/>
          </xsd:sequence>
        </xsd:extension>
      </xsd:complexContent>
    </xsd:complexType>
  </xsd:element>

  <xsd:element name="Fill">
    <xsd:annotation>
      <xsd:documentation>
        A "Fill" specifies the pattern for filling an area geometry.
        The allowed CssParameters are: "fill" (color) and "fill-opacity".