def LimitsR(rmin, rmax, quiet=False, reducer=None):
if reducer == None:
reducer = ReductionSingleton().reference()
if not quiet:
_printMessage('LimitsR(' + str(rmin) + ', ' +str(rmax) + ')', reducer)
reducer.mask.set_radi(rmin, rmax)
reducer.CENT_FIND_RMIN = float(rmin)/1000.
reducer.CENT_FIND_RMAX = float(rmax)/1000.
