<xsd:schema targetNamespace="http://www.opengis.net/sld"
xmlns:sld="http://www.opengis.net/sld"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified">
<xsd:include schemaLocation="common.xsd"/>
<xsd:import namespace="http://www.opengis.net/ogc"
schemaLocation="../../filter/1.0.0/filter.xsd"/>
<!-- *********************************************************************** -->
<xsd:annotation>
<xsd:documentation>
SLD SYMBOL version 1.0.20 (2002-09-21)
</xsd:documentation>
</xsd:annotation>
<xsd:element name="Symbol" type="sld:SymbolType" abstract="true"/>
<xsd:complexType name="SymbolType" abstract="true">
<xsd:annotation>
<xsd:documentation>
A "SymbolType" 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:sequence>
<xsd:element ref="sld:Name" minOccurs="0"/>
<xsd:element ref="sld:Description" minOccurs="0"/>
<xsd:element ref="sld:BaseSymbol" minOccurs="0"/>
</xsd:sequence>
<xsd:attribute name="version" type="sld:VersionType"/>
</xsd:complexType>
<xsd:element name="BaseSymbol">
<xsd:annotation>
<xsd:documentation>
A "BaseSymbol" defines the default properties of a symbol to
be those of an external symbol, which will frequently be inside
of an OGC symbol(izer) repository. The symbol properties given
in-line override the base-symbol properties.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:OnlineResource"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<!-- *********************************************************************** -->
<xsd:annotation>
<xsd:documentation>
LINE SYMBOL
</xsd:documentation>
</xsd:annotation>
<xsd:element name="LineSymbol" substitutionGroup="sld:Symbol">
<xsd:annotation>
<xsd:documentation>
A LineSymbol is used to render a "stroke" along a linear geometry.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base="sld:SymbolType">
<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 SvgParameters
may be used: "stroke" (color), "stroke-opacity", "stroke-width",
"stroke-linejoin", "stroke-linecap", "stroke-dasharray", and
"stroke-dashoffset". Others are not officially supported.
</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:SvgParameter" minOccurs="0"
maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="SvgParameter">
<xsd:annotation>
<xsd:documentation>
A "SvgParameter" 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 SYMBOL
</xsd:documentation>
</xsd:annotation>
<xsd:element name="PolygonSymbol" substitutionGroup="sld:Symbol">
<xsd:annotation>
<xsd:documentation>
A "PolygonSymbol" 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:SymbolType">
<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 SvgParameters are: "fill" (color) and "fill-opacity".
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:GraphicFill" minOccurs="0"/>
<xsd:element ref="sld:SvgParameter" minOccurs="0"
maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<!-- *********************************************************************** -->
<xsd:annotation>
<xsd:documentation>
POINT SYMBOL
</xsd:documentation>
</xsd:annotation>
<xsd:element name="PointSymbol" substitutionGroup="sld:Symbol">
<xsd:annotation>
<xsd:documentation>
A "PointSymbol" specifies the rendering of a "graphic symbol"
at a point.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base="sld:SymbolType">
<xsd:sequence>
<xsd:element ref="sld:Geometry" minOccurs="0"/>
<xsd:element ref="sld:Graphic" minOccurs="0"/>
</xsd:sequence>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="Graphic">
<xsd:annotation>
<xsd:documentation>
A "Graphic" specifies or refers to a "graphic symbol" with inherent
shape, size, and coloring.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:choice minOccurs="0" maxOccurs="unbounded">
<xsd:element ref="sld:ExternalGraphic"/>
<xsd:element ref="sld:Mark"/>
</xsd:choice>
<xsd:sequence>
<xsd:element ref="sld:Opacity" minOccurs="0"/>
<xsd:element ref="sld:Size" minOccurs="0"/>
<xsd:element ref="sld:Rotation" minOccurs="0"/>
</xsd:sequence>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="Opacity" type="sld:ParameterValueType"/>
<xsd:element name="Size" type="sld:ParameterValueType"/>
<xsd:element name="Rotation" type="sld:ParameterValueType"/>
<xsd:element name="ExternalGraphic">
<xsd:annotation>
<xsd:documentation>
An "ExternalGraphic" gives a reference to an raster or vector
graphical object, either online or inline, in an externally-defined
graphic format.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:choice>
<xsd:element ref="sld:OnlineResource"/>
<xsd:element ref="sld:InlineContent"/>
</xsd:choice>
<xsd:element ref="sld:Format"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="Format" type="xsd:string"/>
<xsd:element name="Mark">
<xsd:annotation>
<xsd:documentation>
A "Mark" specifies a geometric shape and applies coloring to it.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:WellKnownName" minOccurs="0"/>
<xsd:element ref="sld:Fill" minOccurs="0"/>
<xsd:element ref="sld:Stroke" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="WellKnownName" type="xsd:string"/>
<!-- *********************************************************************** -->
<xsd:annotation>
<xsd:documentation>
TEXT SYMBOL
</xsd:documentation>
</xsd:annotation>
<xsd:element name="TextSymbol" substitutionGroup="sld:Symbol">
<xsd:annotation>
<xsd:documentation>
A "TextSymbol" is used to render text labels according to
various graphical parameters.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base="sld:SymbolType">
<xsd:sequence>
<xsd:element ref="sld:Geometry" minOccurs="0"/>
<xsd:element ref="sld:Label" minOccurs="0"/>
<xsd:element ref="sld:Font" minOccurs="0"/>
<xsd:element ref="sld:LabelPlacement" minOccurs="0"/>
<xsd:element ref="sld:Halo" minOccurs="0"/>
<xsd:element ref="sld:Fill" minOccurs="0"/>
</xsd:sequence>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="Label" type="sld:ParameterValueType">
<xsd:annotation>
<xsd:documentation>
A "Label" specifies the textual content to be rendered.
</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="Font">
<xsd:annotation>
<xsd:documentation>
A "Font" element specifies the text font to use. The allowed
SvgParameters are: "font-family", "font-style", "font-weight",
and "font-size".
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:SvgParameter" minOccurs="0"
maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="LabelPlacement">
<xsd:annotation>
<xsd:documentation>
The "LabelPlacement" specifies where and how a text label should
be rendered relative to a geometry. The present mechanism is
poorly aligned with CSS/SVG.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:choice>
<xsd:element ref="sld:PointPlacement"/>
<xsd:element ref="sld:LinePlacement"/>
</xsd:choice>
</xsd:complexType>
</xsd:element>
<xsd:element name="PointPlacement">
<xsd:annotation>
<xsd:documentation>
A "PointPlacement" specifies how a text label should be rendered
relative to a geometric point.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:AnchorPoint" minOccurs="0"/>
<xsd:element ref="sld:Displacement" minOccurs="0"/>
<xsd:element ref="sld:Rotation" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="AnchorPoint">
<xsd:annotation>
<xsd:documentation>
An "AnchorPoint" identifies the location inside of a text label to
use an an 'anchor' for positioning it relative to a point geometry.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:AnchorPointX"/>
<xsd:element ref="sld:AnchorPointY"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="AnchorPointX" type="sld:ParameterValueType"/>
<xsd:element name="AnchorPointY" type="sld:ParameterValueType"/>
<xsd:element name="Displacement">
<xsd:annotation>
<xsd:documentation>
A "Displacement" gives X and Y offset displacements to use for
rendering a text label near a point.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:DisplacementX"/>
<xsd:element ref="sld:DisplacementY"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="DisplacementX" type="sld:ParameterValueType"/>
<xsd:element name="DisplacementY" type="sld:ParameterValueType"/>
<xsd:element name="LinePlacement">
<xsd:annotation>
<xsd:documentation>
A "LinePlacement" specifies how a text label should be rendered
relative to a linear geometry.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:PerpendicularOffset" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="PerpendicularOffset" type="sld:ParameterValueType">
<xsd:annotation>
<xsd:documentation>
A "PerpendicularOffset" gives the perpendicular distance away
from a line to draw a label.
</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="Halo">
<xsd:annotation>
<xsd:documentation>
A "Halo" fills an extended area outside the glyphs of a rendered
text label to make the label easier to read over a background.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:Radius" minOccurs="0"/>
<xsd:element ref="sld:Fill" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="Radius" type="sld:ParameterValueType"/>
<!-- *********************************************************************** -->
<xsd:annotation>
<xsd:documentation>
RASTER SYMBOL
</xsd:documentation>
</xsd:annotation>
<xsd:element name="RasterSymbol" substitutionGroup="sld:Symbol">
<xsd:annotation>
<xsd:documentation>
A "RasterSymbol" is used to specify the rendering of
raster/matrix-coverage data (e.g., satellite images, DEMs).
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base="sld:SymbolType">
<xsd:sequence>
<xsd:element ref="sld:Geometry" minOccurs="0"/>
<xsd:element ref="sld:Opacity" minOccurs="0"/>
<xsd:element ref="sld:ChannelSelection" minOccurs="0"/>
<xsd:element ref="sld:OverlapBehavior" minOccurs="0"/>
<xsd:element ref="sld:ColorMap" minOccurs="0"/>
<xsd:element ref="sld:ContrastEnhancement" minOccurs="0"/>
<xsd:element ref="sld:ShadedRelief" minOccurs="0"/>
<xsd:element ref="sld:ImageOutline" minOccurs="0"/>
</xsd:sequence>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="ChannelSelection">
<xsd:annotation>
<xsd:documentation>
"ChannelSelection" specifies the false-color channel selection
for a multi-spectral raster source.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:choice>
<xsd:sequence>
<xsd:element ref="sld:RedChannel"/>
<xsd:element ref="sld:GreenChannel"/>
<xsd:element ref="sld:BlueChannel"/>
</xsd:sequence>
<xsd:element ref="sld:GrayChannel"/>
</xsd:choice>
</xsd:complexType>
</xsd:element>
<xsd:element name="RedChannel" type="sld:SelectedChannelType"/>
<xsd:element name="GreenChannel" type="sld:SelectedChannelType"/>
<xsd:element name="BlueChannel" type="sld:SelectedChannelType"/>
<xsd:element name="GrayChannel" type="sld:SelectedChannelType"/>
<xsd:complexType name="SelectedChannelType">
<xsd:sequence>
<xsd:element ref="sld:SourceChannelName"/>
<xsd:element ref="sld:ContrastEnhancement" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
<xsd:element name="SourceChannelName" type="xsd:string"/>
<xsd:element name="OverlapBehavior">
<xsd:annotation>
<xsd:documentation>
"OverlapBehavior" tells a system how to behave when multiple
raster images in a layer overlap each other, for example with
satellite-image scenes.
</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="LATEST_ON_TOP"/>
<xsd:enumeration value="EARLIEST_ON_TOP"/>
<xsd:enumeration value="AVERAGE"/>
<xsd:enumeration value="RANDOM"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="ColorMap">
<xsd:annotation>
<xsd:documentation>
A "ColorMap" defines either the colors of a pallet-type raster
source or the mapping of numeric pixel values to colors.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:choice minOccurs="0" maxOccurs="unbounded">
<xsd:element ref="sld:ColorMapEntry"/>
</xsd:choice>
</xsd:complexType>
</xsd:element>
<xsd:element name="ColorMapEntry">
<xsd:complexType>
<xsd:attribute name="color" type="xsd:string" use="required"/>
<xsd:attribute name="opacity" type="xsd:double"/>
<xsd:attribute name="quantity" type="xsd:double"/>
<xsd:attribute name="label" type="xsd:string"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="ContrastEnhancement">
<xsd:annotation>
<xsd:documentation>
"ContrastEnhancement" defines the 'stretching' of contrast for a
channel of a false-color image or for a whole grey/color image.
Contrast enhancement is used to make ground features in images
more visible.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:choice minOccurs="0">
<xsd:element ref="sld:Normalize"/>
<xsd:element ref="sld:Histogram"/>
</xsd:choice>
<xsd:element ref="sld:GammaValue" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="Normalize">
<xsd:complexType/>
</xsd:element>
<xsd:element name="Histogram">
<xsd:complexType/>
</xsd:element>
<xsd:element name="GammaValue" type="xsd:double"/>
<xsd:element name="ShadedRelief">
<xsd:annotation>
<xsd:documentation>
"ShadedRelief" specifies the application of relief shading
(or "hill shading") to a DEM raster to give it somewhat of a
three-dimensional effect and to make elevation changes more
visible.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="sld:BrightnessOnly" minOccurs="0"/>
<xsd:element ref="sld:ReliefFactor" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="BrightnessOnly" type="xsd:boolean"/>
<xsd:element name="ReliefFactor" type="xsd:double"/>
<xsd:element name="ImageOutline">
<xsd:annotation>
<xsd:documentation>
"ImageOutline" specifies how individual source rasters in
a multi-raster set (such as a set of satellite-image scenes)
should be outlined to make the individual-image locations visible.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:choice>
<xsd:element ref="sld:LineSymbol"/>
<xsd:element ref="sld:PolygonSymbol"/>
</xsd:choice>
</xsd:complexType>
</xsd:element>
<!-- *********************************************************************** -->
<xsd:annotation>
<xsd:documentation>
MAPPED-COLOR SYMBOL (Choropleth)
</xsd:documentation>
</xsd:annotation>
<xsd:element name="MappedColorSymbol" substitutionGroup="sld:Symbol">
<xsd:annotation>
<xsd:documentation>
A "MappedColorSymbol" is used to specify the mapping of colors to
ranges of values of a control variable/expression.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base="sld:SymbolType">
<xsd:sequence>
<xsd:element ref="sld:LookupValue"/>
<xsd:element ref="sld:ColorMap"/>
<xsd:element ref="sld:MappedColorSubSymbol"/>
</xsd:sequence>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="LookupValue" type="sld:ParameterValueType"/>
<xsd:element name="MappedColorSubSymbol">
<xsd:annotation>
<xsd:documentation>
The MappedColorSubSymbol identifies the the symbol to which
to apply computed colors. The computed color is used as the
'default color' in the sub-symbol. The "matchTo" attribute tells
whether to match the lookup value to the "quantity" or "label"
attributes of the 'choropleth' ColorMap.
</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:choice>
<xsd:element ref="sld:LineSymbol"/>
<xsd:element ref="sld:PolygonSymbol"/>
<xsd:element ref="sld:PointSymbol"/>
<xsd:element ref="sld:TextSymbol"/>
<xsd:element ref="sld:RasterSymbol"/>
</xsd:choice>
<xsd:attribute name="matchTo" use="required">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="quantity"/>
<xsd:enumeration value="label"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:attribute>
</xsd:complexType>
</xsd:element>
</xsd:schema>
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XSD Schema Code: