Generates svg with a horizontal line for each station/stop.

    Args:
      # Class Stop is defined in transitfeed.py
      stations: [Stop, Stop, ...]

    Returns:
      # A string containing a polyline tag for each stop
      " <polyline class="Station" stroke="#336633" points="20,0 ..."

def _DrawStations(self, color="#aaa"):
    """Generates svg with a horizontal line for each station/stop.

    Args:
      # Class Stop is defined in transitfeed.py
      stations: [Stop, Stop, ...]

    Returns:
      # A string containing a polyline tag for each stop
      " <polyline class="Station" stroke="#336633" points="20,0 ..."
    """
    stations=self._stations
    tmpstrs = []
    for y in stations:
      tmpstrs.append('  <polyline class="Station" stroke="%s" \
      points="%s,%s, %s,%s" />' %(color,20,20+y+.5,self._gwidth+20,20+y+.5))
    return "".join(tmpstrs)