I found the most versatile program to manipulate maps is MAIN (http://www-bmb.ijs.si). You can copy and move maps from any cell to any other cell and get immediate visual feedback to see if things went the way you expected it.
Cheers, Jens On Mon, 2014-05-19 at 17:25 -0400, Niu Tou wrote: > Dear All, > > > I have a ccp4 format map file in P1 spacegroup, I would like to > manipulate it in several ways: > > > 1. enlarge the cell dimension . When I tried "CELL" keyword in MAPMAN, > the density scaled up together with the cell dimension. Does anybody > know how to do it without changing the density? > > > 2. Change the space group to P2. > > > 3. Move the density away from its original place, i.e. apply a > translocation vector to it. > > > Does anybody know the answers? Thanks in advance! > > > Regards, > Niu > > > > > >
