SYMBOLSET
  SYMBOL # standard circular brush
    NAME 'circle'
    TYPE ELLIPSE
    POINTS 1 1 END
    FILLED TRUE
  END

  SYMBOL # long dash pattern
    NAME 'dash-long'
    TYPE ELLIPSE
    POINTS 1 1 END
    FILLED TRUE
    STYLE 16 16 END
  END

  SYMBOL # short dash pattern
    NAME 'dash-short'
    TYPE ELLIPSE
    POINTS 1 1 END
    FILLED TRUE
    STYLE 8 8 END
  END

  SYMBOL # tracks
    NAME 'tracks'
    TYPE ELLIPSE
    POINTS 1 1 END
    FILLED TRUE
    STYLE 1 16 END
  END
END