SFTOOLS will do the calculations. A phase increase of 2piR.S
or 2pi(rx h + ry k + rz l), or in SFTOOLS syntax (R=[0.0,0.25,0.5]):

calc p col tmp1 = 360 0.0 * H *
calc p col tmp2 = 360 0.25 * K *
calc p col tmp3 = 360 0.5 * L *
calc p col PHINEW = col PHIOLD col tmp1 + col tmp2 + col tmp3 +

Programs PHASECHANGE and CPHASEMATCH are of related functionality.
Thanks to David Waterman, Pietro Roversi, Eleanor Dodson.


-Martin

--
Martin Laurberg, PhD
Noller Laboratory
225 Sinsheimer Laboratories
University of California at Santa Cruz
CA-95064 Santa Cruz
USA

Original post
>
> Dear all,
> > Is there a program, which will shift the origin of a set of mtz
> > map-coefficients by means of a fractional coordinate vector R?
> > Thanks,
> > -Martin
> >

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