Metacat

<?xml version="1.0" encoding="ISO-8859-1"?>

<!--

Description: transforms a WMS Layer node into an XML structure that contains

             the URL for the GetMap request for both context docs and WMS caps.

Author:      adair

Licence:     LGPL as specified in http://www.gnu.org/copyleft/lesser.html .

$Id$

$Name$

-->

<xsl:stylesheet version="1.0" 

    xmlns:wmc="http://www.opengis.net/context" 

    xmlns:mb="http://mapbuilder.sourceforge.net/mapbuilder" 

    xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 

    xmlns:xlink="http://www.w3.org/1999/xlink">

  <xsl:output method="xml"/>

  <xsl:strip-space elements="*"/>

  <!--

  <xsl:include href="ogcMapImgObjects.xsl" />

  -->

  <xsl:param name="bbox"/>

  <xsl:param name="width"/>

  <xsl:param name="height"/>

  <xsl:param name="srs"/>

  <xsl:param name="version"/>

  <xsl:param name="format">image/gif</xsl:param>

  <xsl:template match="Layer">

    <xsl:variable name="styleParam"/>

    <xsl:variable name="visibility"/>

    <xsl:variable name="mapRequest">

      <xsl:choose>

        <xsl:when test="starts-with($version, '1.0')">

            WMTVER=<xsl:value-of select="$version"/>&amp;REQUEST=map

        </xsl:when>            

        <xsl:otherwise>

            VERSION=<xsl:value-of select="$version"/>&amp;REQUEST=GetMap

        </xsl:otherwise>

      </xsl:choose>

    </xsl:variable>

    <GetMap>

      <mb:QueryString>

        <xsl:variable name="src">    

            <xsl:value-of select="$mapRequest"/>

   &amp;SRS=<xsl:value-of select="$srs"/>

  &amp;BBOX=<xsl:value-of select="translate($bbox,' ',',')"/>

 &amp;WIDTH=<xsl:value-of select="$width"/>

&amp;HEIGHT=<xsl:value-of select="$height"/>

&amp;LAYERS=<xsl:value-of select="Name"/>

&amp;FORMAT=<xsl:value-of select="$format"/>

       &amp;<xsl:value-of select="$styleParam"/>

&TRANSPARENT=TRUE

<!--	

  //TBD: these still to be properly handled 

  //also sld support

  if (this.transparent) src += '&' + 'TRANSPARENT=' + this.transparent;

	if (this.bgcolor) src += '&' + 'BGCOLOR=' + this.bgcolor;

	//if (this.exceptions) src += '&' + 'EXCEPTIONS=' + this.exceptions;

	if (this.vendorstr) src += '&' + this.vendorstr;

  // -->

        </xsl:variable>

        <xsl:value-of select="translate(normalize-space($src),' ', '' )" disable-output-escaping="no"/>

      </mb:QueryString>

    </GetMap>

  </xsl:template>

  <xsl:template match="wmc:Layer">

    <xsl:param name="version">

        <xsl:value-of select="wmc:Server/@version"/>    

    </xsl:param>

    <xsl:variable name="format">

      <xsl:choose>

        <xsl:when test="wmc:FormatList"><xsl:value-of select="wmc:FormatList/wmc:Format[@current='1']"/></xsl:when>

        <xsl:otherwise>image/gif</xsl:otherwise>

      </xsl:choose>

    </xsl:variable>

    <xsl:variable name="styleParam">

      <xsl:choose>

        <xsl:when test="wmc:StyleList/wmc:Style[@current='1']/wmc:SLD">

          SLD=<xsl:value-of select="wmc:StyleList/wmc:Style[@current='1']/wmc:SLD/wmc:OnlineResource/@xlink:href"/>

        </xsl:when>

        <xsl:when test="wmc:StyleList/wmc:Style[@current='1']/wmc:SLD/wmc:StyeLayerDescriptor">

          SLD=<xsl:value-of select="wmc:StyleList/wmc:Style[@current='1']/wmc:SLD/wmc:StyeLayerDescriptor"/>

        </xsl:when>

        <xsl:when test="wmc:StyleList/wmc:Style[@current='1']/wmc:SLD/wmc:FeatureTypeStyle">

          SLD=<xsl:value-of select="wmc:StyleList/wmc:Style[@current='1']/wmc:SLD/wmc:FeatureTypeStyle"/>

        </xsl:when>

        <xsl:otherwise>

          STYLES=<xsl:value-of select="wmc:StyleList/wmc:Style[@current='1']/wmc:Name"/>

        </xsl:otherwise>

      </xsl:choose>

    </xsl:variable>

    <xsl:variable name="visibility">

      <xsl:choose>

        <xsl:when test="@hidden='1'">hidden</xsl:when>

        <xsl:otherwise>visible</xsl:otherwise>

      </xsl:choose>

    </xsl:variable>

    <xsl:variable name="mapRequest">

      <xsl:choose>

        <xsl:when test="starts-with($version, '1.0')">

            WMTVER=<xsl:value-of select="$version"/>&amp;REQUEST=map

        </xsl:when>            

        <xsl:otherwise>

            VERSION=<xsl:value-of select="$version"/>&amp;REQUEST=GetMap

        </xsl:otherwise>

      </xsl:choose>

    </xsl:variable>

    <GetMap>

      <mb:QueryString>

        <xsl:variable name="src">    

            <xsl:value-of select="$mapRequest"/>

   &amp;SRS=<xsl:value-of select="$srs"/>

  &amp;BBOX=<xsl:value-of select="$bbox"/>

 &amp;WIDTH=<xsl:value-of select="$width"/>

&amp;HEIGHT=<xsl:value-of select="$height"/>

&amp;LAYERS=<xsl:value-of select="wmc:Name"/>

&amp;FORMAT=<xsl:value-of select="$format"/>

       &amp;<xsl:value-of select="$styleParam"/>

&TRANSPARENT=true

<!--	

  //TBD: these still to be properly handled 

  //also sld support

  if (this.transparent) src += '&' + 'TRANSPARENT=' + this.transparent;

	if (this.bgcolor) src += '&' + 'BGCOLOR=' + this.bgcolor;

	//if (this.exceptions) src += '&' + 'EXCEPTIONS=' + this.exceptions;

	if (this.vendorstr) src += '&' + this.vendorstr;

  // -->

        </xsl:variable>

        <xsl:value-of select="translate(normalize-space($src),' ', '' )" disable-output-escaping="no"/>

      </mb:QueryString>

    </GetMap>

  </xsl:template>

</xsl:stylesheet>