Added new functions to datacage templating language. * get minimum of location/distance: dc:fromValue($ld_mode, $ld_locations, $ld_from) - returns -Double.MAX_VALUE if no min exists. * get maximum of location/distance: dc:toValue($ld_mode, $ld_locations, $ld_to) - returns Double.MAX_VALUE if no max exists.

SYMBOLSET
SYMBOL
  NAME 'point'
  TYPE ELLIPSE
  POINTS
    1 1
  END
  FILLED TRUE
END
SYMBOL
  NAME "square"
  TYPE VECTOR
  POINTS
    0 0
    0 1
    1 1
    1 0
    0 0
  END
  FILLED TRUE
END
END