<?xml version="1.0" encoding="utf-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2" xmlns:tal="http://xml.zope.org/namespaces/tal" 
  tal:define="schema options/schema; table options/table; data python:here.getKmlData(schema=schema,table=table); 
  withLine python:request.get('connect_line',None);">
  <Document>
    <Style id="marker_icon">
      <IconStyle>
        <scale>1.2</scale>
        <Icon>
          <href>http://chinagis.mpiwg-berlin.mpg.de/chinagis/images/dot_red.png</href>
        </Icon>
        <hotSpot x="0.5" y="0.5" xunits="fraction" yunits="fraction"/>
      </IconStyle>
    </Style>
    <Style id="red_line">
      <LineStyle>
        <color>ff0000ff</color>
        <width>4</width>
      </LineStyle>
      <PolyStyle>
        <color>ff0000ff</color>
      </PolyStyle>
    </Style>
    <Placemark tal:repeat="place data">
      <description tal:content="place/description">
      ERD-0815: ERD-0815
      </description>
      <styleUrl tal:content="place/icon">#marker_icon</styleUrl>
      <Point>
        <coordinates tal:content="string:${place/coord_x},${place/coord_y},${place/coord_z}">116.38,39.92,0</coordinates>
      </Point>
    </Placemark>
    <Placemark tal:condition="withLine">
      <name>Path</name>
      <description>Red line visualizes path between locations</description>
      <styleUrl>#red_line</styleUrl>
      <LineString>
        <extrude>1</extrude>
        <tessellate>1</tessellate>
        <altitudeMode>clampToGround</altitudeMode>
        <coordinates>
          <tal:span tal:repeat="place data" tal:content="string:${place/coord_x},${place/coord_y},${place/coord_z}">116.38,39.92,0</tal:span>
        </coordinates>
      </LineString>
    </Placemark>
  </Document>
</kml>