transform sharepoint managed metadata into word cloud

transform_sharepoint.xslt

<?xml version='1.0' encoding='utf-8'?>
<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform' xmlns:msxsl='urn:schemas-microsoft-com:xslt' exclude-result-prefixes='msxsl'>
  <xsl:output method='html' indent='yes'/>
  <xsl:template name='terms' match='//termset'>
    <xsl:param name='d'/>
    <div class='termset' style='padding: 10px 0px; text-align: center;'>
      <xsl:variable name='AvgHit'><xsl:value-of select='sum(//term/itemcount) div count(//term[itemcount > 0])'/></xsl:variable>
      <xsl:for-each select='//term[itemcount > 0]'>
        <xsl:sort select='name'/>
        <xsl:element name='span'>
          <xsl:attribute name='style'>
            padding-right: 5px;
            vertical-align: middle;
            padding-left: 5px;
            <xsl:if test='itemcount > $AvgHit'>font-size:1.5em;</xsl:if>
          </xsl:attribute>
          <xsl:element name='a'>
            <xsl:attribute name='href'>?FilterField1=METADATACOLUMNNAME&amp;FilterValue1=<xsl:value-of select='name'/></xsl:attribute>
            <xsl:value-of select='name'/>
          </xsl:element>
        </xsl:element>
        <xsl:if test='position() != last()'>
          <span style="font-size: 90%; color:#ccc; vertical-align:middle;"> | </span>
        </xsl:if>
      </xsl:for-each>
    </div>
  </xsl:template>
</xsl:stylesheet>