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<?xml version="1.0" encoding="UTF-8"?>
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<xsl:stylesheet version="1.0"
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xmlns:wmc="http://www.opengis.net/context"
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xmlns:wms="http://www.opengis.net/wms"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:xlink="http://www.w3.org/1999/xlink">
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<!--
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Description: Convert a WMS Capabilities document to a Web Map Context
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Author: Nedjo Rogers nedjo AT gworks.ca
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Licence: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id$
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$Name$
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-->
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<xsl:output method="xml" indent="yes"/>
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<xsl:param name="width">400</xsl:param>
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<xsl:param name="selectedLayer"/>
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<xsl:param name="styleName">composite</xsl:param>
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<xsl:template match="/WMT_MS_Capabilities">
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<xsl:param name="wmsVersion" select="@version"/>
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<xsl:param name="wmsTitle" select="Service/Title"/>
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<xsl:param name="wmsOnlineResource" select="Capability/Request/GetMap/DCPType/HTTP/Get/OnlineResource/@xlink:href"/>
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<ViewContext version="1.0.0"
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id="autoGeneratedContext_"
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xmlns="http://www.opengis.net/context">
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<General>
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<Title><xsl:value-of select="$wmsTitle"/></Title>
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<!-- TBD: The following should be extracted -->
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<xsl:variable name="minx" select="number(Capability/Layer/LatLonBoundingBox/@minx)"/>
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<xsl:variable name="maxx" select="number(Capability/Layer/LatLonBoundingBox/@maxx)"/>
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<xsl:variable name="miny" select="number(Capability/Layer/LatLonBoundingBox/@miny)"/>
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<xsl:variable name="maxy" select="number(Capability/Layer/LatLonBoundingBox/@maxy)"/>
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<xsl:variable name="dy" select=" $maxy - $miny "/>
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<xsl:variable name="dx" select=" $maxx - $minx "/>
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<xsl:variable name="height" select="round(($dy div $dx)*$width)"/>
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<Window width="{$width}" height="{$height}"/>
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<BoundingBox SRS="EPSG:4326" minx="{$minx}" miny="{$miny}" maxx="{$maxx}" maxy="{$maxy}"/>
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</General>
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<LayerList>
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<xsl:choose><xsl:when test="string-length($selectedLayer)>0">
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<xsl:apply-templates select="Capability/Layer/Layer[Name=$selectedLayer]">
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<xsl:with-param name="version" select="$wmsVersion"/>
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<xsl:with-param name="title" select="$wmsTitle"/>
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<xsl:with-param name="url" select="$wmsOnlineResource"/>
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</xsl:apply-templates>
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</xsl:when><xsl:otherwise>
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<xsl:apply-templates select="Capability/Layer/Layer">
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<xsl:with-param name="version" select="$wmsVersion"/>
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<xsl:with-param name="title" select="$wmsTitle"/>
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<xsl:with-param name="url" select="$wmsOnlineResource"/>
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</xsl:apply-templates>
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</xsl:otherwise></xsl:choose>
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</LayerList>
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</ViewContext>
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</xsl:template>
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<!-- Layer -->
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<xsl:template match="Layer">
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<xsl:param name="version"/>
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<xsl:param name="title"/>
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<xsl:param name="url"/>
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<xsl:element name="Layer" namespace="http://www.opengis.net/context">
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<xsl:attribute name="queryable">
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<xsl:value-of select="@queryable"/>
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</xsl:attribute>
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<xsl:attribute name="hidden">
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<xsl:text>0</xsl:text>
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</xsl:attribute>
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<xsl:element name="Server" namespace="http://www.opengis.net/context">
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<xsl:attribute name="service">
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<xsl:text>OGC:WMS</xsl:text>
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</xsl:attribute>
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<xsl:attribute name="version">
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<xsl:value-of select="$version"/>
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</xsl:attribute>
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<xsl:attribute name="title">
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<xsl:value-of select="$title"/>
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</xsl:attribute>
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<xsl:element name="OnlineResource" namespace="http://www.opengis.net/context">
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<xsl:attribute name="type">
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<xsl:text>simple</xsl:text>
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</xsl:attribute>
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<xsl:attribute name="xlink:href">
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<xsl:value-of select="$url"/>
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</xsl:attribute>
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</xsl:element>
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</xsl:element>
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<Name xmlns="http://www.opengis.net/context"><xsl:value-of select="Name"/></Name>
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<Title xmlns="http://www.opengis.net/context"><xsl:value-of select="Title"/></Title>
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<Abstract xmlns="http://www.opengis.net/context"><xsl:value-of select="Abstract"/></Abstract>
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<FormatList xmlns="http://www.opengis.net/context">
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<Format current="1" xmlns="http://www.opengis.net/context">image/png</Format>
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</FormatList>
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<StyleList xmlns="http://www.opengis.net/context">
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<Style xmlns="http://www.opengis.net/context" current="1">
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<xsl:copy-of select="Style[Name=$styleName]/*"/>
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</Style>
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</StyleList>
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<xsl:if test="Dimension">
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<DimensionList xmlns="http://www.opengis.net/context">
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<xsl:copy-of select="Dimension"/>
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</DimensionList>
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</xsl:if>
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</xsl:element>
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</xsl:template>
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<!-- duplicate everything with namespace prefix for WMS 1.3.x -->
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<xsl:template match="/wms:WMS_Capabilities">
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<xsl:param name="wmsVersion" select="/wms:WMS_Capabilities/@version"/>
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<xsl:param name="wmsTitle" select="/wms:WMS_Capabilities/wms:Service/wms:Title"/>
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<xsl:param name="wmsOnlineResource" select="/wms:WMS_Capabilities/wms:Capability/wms:Request/wms:GetMap/wms:DCPType/wms:HTTP/wms:Get/wms:OnlineResource/@xlink:href"/>
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<xsl:param name="defLayers" select="wms:Capability//wms:Layer[wms:Name=$selectedLayer]"/>
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<xsl:param name="defLayer" select="$defLayers[1]"/>
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<xsl:variable name="abstract" select="$defLayer/wms:Abstract"/>
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<xsl:variable name="title" select="$defLayer/wms:Title"/>
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<xsl:variable name="infoLink" select="$defLayer/wms:MetadataURL/wms:OnlineResource/@xlink:href"/>
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<xsl:variable name="logoLink" select="$defLayer/wms:Attribution/wms:LogoURL/wms:OnlineResource/@xlink:href"/>
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<xsl:variable name="providerName" select="wms:Service/wms:Title"/>
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<ViewContext version="1.0.0"
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id="autoGeneratedContext_"
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xmlns="http://www.opengis.net/context">
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<General>
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<Title><xsl:value-of select="$title"/></Title>
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<Abstract><xsl:value-of select="$abstract"/></Abstract>
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<xsl:variable name="bbox" select="$defLayer/wms:BoundingBox"/>
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<xsl:variable name="minx" select="number($bbox/@minx)"/>
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<xsl:variable name="maxx" select="number($bbox/@maxx)"/>
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<xsl:variable name="miny" select="number($bbox/@miny)"/>
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<xsl:variable name="maxy" select="number($bbox/@maxy)"/>
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<xsl:variable name="srs" select="$bbox/@CRS"/>
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<xsl:choose><xsl:when test="$defLayer/@fixedWidth">
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<xsl:variable name="fWidth" select="$defLayer/@fixedWidth"/>
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<xsl:variable name="fHeight" select="$defLayer/@fixedHeight"/>
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<Window width="{$fWidth}" height="{$fHeight}"/>
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</xsl:when><xsl:otherwise>
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<xsl:variable name="dy" select=" $maxy - $miny "/>
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<xsl:variable name="dx" select=" $maxx - $minx "/>
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<xsl:variable name="height" select="round(($dy div $dx)*$width)"/>
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<Window width="{$width}" height="{$height}"/>
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</xsl:otherwise></xsl:choose>
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<BoundingBox SRS="{$srs}" minx="{$minx}" miny="{$miny}" maxx="{$maxx}" maxy="{$maxy}"/>
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<DescriptionURL format="text/html">
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<OnlineResource xlink:href="{$infoLink}" xlink:type="simple"/>
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</DescriptionURL>
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<LogoURL format="text/html">
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<OnlineResource xlink:href="{$logoLink}" xlink:type="simple"/>
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</LogoURL>
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<ContactInformation>
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<ContactPersonPrimary>
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<ContactOrganization><xsl:value-of select="$providerName"/></ContactOrganization>
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</ContactPersonPrimary>
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</ContactInformation>
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</General>
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<LayerList>
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<xsl:choose><xsl:when test="string-length($selectedLayer)>0">
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<xsl:apply-templates select="$defLayer">
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<xsl:with-param name="version" select="$wmsVersion"/>
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<xsl:with-param name="title" select="$wmsTitle"/>
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<xsl:with-param name="url" select="$wmsOnlineResource"/>
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</xsl:apply-templates>
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</xsl:when><xsl:otherwise>
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<xsl:apply-templates select="wms:Capability/wms:Layer/*">
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<xsl:with-param name="version" select="$wmsVersion"/>
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<xsl:with-param name="title" select="$wmsTitle"/>
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<xsl:with-param name="url" select="$wmsOnlineResource"/>
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</xsl:apply-templates>
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</xsl:otherwise></xsl:choose>
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</LayerList>
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</ViewContext>
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</xsl:template>
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<!-- Layer -->
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<xsl:template match="wms:Layer">
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<xsl:param name="version"/>
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<xsl:param name="title"/>
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<xsl:param name="url"/>
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<xsl:element name="Layer" namespace="http://www.opengis.net/context">
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<xsl:attribute name="queryable">
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<xsl:value-of select="@queryable"/>
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</xsl:attribute>
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<xsl:attribute name="hidden">
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<xsl:text>0</xsl:text>
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</xsl:attribute>
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<xsl:element name="Server" namespace="http://www.opengis.net/context">
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<xsl:attribute name="service">
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<xsl:text>OGC:WMS</xsl:text>
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</xsl:attribute>
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<xsl:attribute name="version">
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<xsl:value-of select="$version"/>
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</xsl:attribute>
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<xsl:attribute name="title">
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<xsl:value-of select="$title"/>
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</xsl:attribute>
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<xsl:element name="OnlineResource" namespace="http://www.opengis.net/context">
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<xsl:attribute name="type">
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<xsl:text>simple</xsl:text>
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</xsl:attribute>
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<xsl:attribute name="xlink:href">
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<xsl:value-of select="$url"/>
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</xsl:attribute>
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</xsl:element>
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</xsl:element>
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<Name xmlns="http://www.opengis.net/context"><xsl:value-of select="wms:Name"/></Name>
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<Title xmlns="http://www.opengis.net/context"><xsl:value-of select="wms:Title"/></Title>
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<Abstract xmlns="http://www.opengis.net/context"><xsl:value-of select="wms:Abstract"/></Abstract>
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<FormatList xmlns="http://www.opengis.net/context">
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<Format current="1" xmlns="http://www.opengis.net/context">image/png</Format>
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</FormatList>
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<StyleList xmlns="http://www.opengis.net/context">
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<Style xmlns="http://www.opengis.net/context" current="1">
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<Name xmlns="http://www.opengis.net/context"><xsl:value-of select="$styleName"/></Name>
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<xsl:if test="wms:Style/wms:LegendURL">
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<LegendURL xmlns="http://www.opengis.net/context">
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<OnlineResource xmlns="http://www.opengis.net/context">
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<xsl:attribute name="xlink:href">
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<xsl:value-of select="wms:Style/wms:LegendURL/wms:OnlineResource/@xlink:href"/>
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</xsl:attribute>
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</OnlineResource>
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</LegendURL>
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</xsl:if>
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</Style>
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</StyleList>
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<xsl:if test="wms:Dimension[@name='time']">
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<DimensionList xmlns="http://www.opengis.net/context">
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<Dimension name="time" units="ISO8601"><xsl:value-of select="wms:Dimension[@name='time']"/></Dimension>
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</DimensionList>
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</xsl:if>
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</xsl:element>
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</xsl:template>
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</xsl:stylesheet>
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