Niu, on 2nd thoughts, for your translocation vector, having modified the start & end values in the header you could probably resample the map with extends or mapmask, provided you had a complete a.u..
Cheers -- Ian On 19 May 2014 22:25, Niu Tou <[email protected]> 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 > > > >
