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<?xml version="1.0" encoding="UTF-8"?>
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<xsl:stylesheet
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns:gml="http://www.opengis.net/gml"
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version="1.0">
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<!--
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Description: Convert GML to wz_jsgraphics function calls.
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Precondition: <coordinates> have been converted to <coords> (using
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GmlCoordinates2Coord.xsl).
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Author: Nedjo Rogers nedjo ATgworks.ca, Cameron Shorter cameron ATshorter.net
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License: 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" encoding="utf-8"/>
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<xsl:param name="width" select="400"/>
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<xsl:param name="height" select="200"/>
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<xsl:param name="bBoxMinX" select="-180"/>
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<xsl:param name="bBoxMinY" select="-90"/>
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<xsl:param name="bBoxMaxX" select="180"/>
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<xsl:param name="bBoxMaxY" select="90"/>
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<xsl:param name="lineColor" select="'red'"/>
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<xsl:param name="lineWidth" select="1"/>
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<xsl:param name="crossSize" select="0"/>
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<xsl:param name="skinDir"/>
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<xsl:param name="pointWidth" select="5"/>
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<xsl:variable name="xRatio" select="$width div ( $bBoxMaxX - $bBoxMinX )"/>
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<xsl:variable name="yRatio" select="$height div ( $bBoxMaxY - $bBoxMinY )"/>
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<!-- Root node -->
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<xsl:template match="/">
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<xsl:param name="geoWidth" select="$bBoxMaxX - $bBoxMinX"/>
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<xsl:param name="geoHeight" select="$bBoxMaxY - $bBoxMinY"/>
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<xsl:element name="svg">
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<xsl:attribute name="width"><xsl:value-of select="$width"/><xsl:text>px</xsl:text></xsl:attribute>
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<xsl:attribute name="height"><xsl:value-of select="$height"/><xsl:text>px</xsl:text></xsl:attribute>
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<xsl:attribute name="viewBox">
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<xsl:value-of select="$bBoxMinX"/>
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<xsl:text> </xsl:text>
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<xsl:value-of select="$bBoxMinY"/>
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<xsl:text> </xsl:text>
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<xsl:value-of select="$geoWidth"/>
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<xsl:text> </xsl:text>
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<xsl:value-of select="$geoHeight"/>
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</xsl:attribute>
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<xsl:element name="g">
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<xsl:attribute name="style"><xsl:text>fill-rule:evenodd; fill:none; stroke:none; stroke-antialiasing:true;</xsl:text></xsl:attribute>
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<xsl:attribute name="transform"><xsl:text>matrix(1 0 0 -1 0 0)</xsl:text></xsl:attribute>
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<xsl:apply-templates/>
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</xsl:element>
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</xsl:element>
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</xsl:template>
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<!-- Match and render a GML Point -->
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<xsl:template match="gml:pointMember/gml:Point | gml:pointProperty/gml:Point">
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<xsl:variable name="x0" select="gml:coord/gml:X"/>
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<xsl:variable name="y0" select="gml:coord/gml:Y"/>
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<xsl:element name="circle">
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<xsl:attribute name="cx"><xsl:value-of select="$x0"/></xsl:attribute>
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<xsl:attribute name="cy"><xsl:value-of select="$y0"/></xsl:attribute>
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<xsl:attribute name="r"><xsl:value-of select="$pointWidth"/></xsl:attribute>
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</xsl:element>
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</xsl:template>
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<!-- Match and render a LineString -->
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<xsl:template match="gml:LineString">
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<xsl:choose>
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<!-- Draw a line -->
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<xsl:when test="count(gml:coord)!=1">
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<xsl:element name="polyline">
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<xsl:attribute name="points">
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<xsl:for-each select="gml:coord">
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<xsl:value-of select="gml:X"/>
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<xsl:text> </xsl:text>
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<xsl:value-of select="floor($height - (number(gml:Y) -$bBoxMinY)*$yRatio)"/>
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<xsl:if test="following-sibling::gml:coord">
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<xsl:text>,</xsl:text>
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</xsl:if>
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</xsl:for-each>
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</xsl:attribute>
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</xsl:element>
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</xsl:when>
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<!-- When one coord, draw point -->
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<xsl:otherwise>
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<xsl:variable name="x0" select="gml:coord/gml:X"/>
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<xsl:variable name="y0" select="gml:coord/gml:Y"/>
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<xsl:element name="circle">
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<xsl:attribute name="cx"><xsl:value-of select="$x0"/></xsl:attribute>
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<xsl:attribute name="cy"><xsl:value-of select="$y0"/></xsl:attribute>
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<xsl:attribute name="r"><xsl:value-of select="$pointWidth"/></xsl:attribute>
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</xsl:element>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template match="text()|@*"/>
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</xsl:stylesheet>
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