Polygon

<?xml version="1.0" encoding="UTF-8"?>
<floor>
  <symbolInstance
    id="F-0"
    uid="5b64bc82.d160b7ff"
    symbol="buildinglayout"
  >
    <values>
      <value key="polyline.fill">1</value>
      <value key="polyline.fill.alpha">0.2</value>
      <value key="polyline.fill.color">00000033</value>
      <value key="polyline.showdimensions">1</value>
      <value key="polyline.stroke">1</value>
      <value key="polyline.stroke.color">000000FF</value>
      <value key="polyline.stroke.thickness">0.1</value>
    </values>
    <polylineData> … </polylineData>
  </symbolInstance>
</floor>