Re: [ccp4bb]: rotating maps

["Eleanor J. Dodson" <ccp4@ysbl.york.ac.uk>]

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Stephen Cusack wrote:
> 
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> Dear colleagues,
>     I have an EM map in ccp4 format of an icosahedral particle with the
> particle centre
> at 0 0 0. The extent of the map is from -1/2 to 1/2 in each direction of
> a cubic p1 cell. I simply
> want to calculate a new map with the particle rotated about 0 0 0
> according to some euler angles.
> I can't get MAPROT to do this properly as it will only accept a map with
> extent 0 1
> in which case the particle is split into the corners ot the unit cell
> and the rotation does not work properly.
> Can anyone suggest how I should do this simple operation please!
>     thanks and merry christmas
>     Stephen Cusack
> 


 Move the origin of the map 1/2,1/2,1/2, then rotate..

Eleanor

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> 
> **********************************************************************
> Dr. Stephen Cusack,
> Head of Grenoble Outstation of EMBL
> Group leader in structural biology of protein-RNA complexes and viral
> proteins
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-- 
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Eleanor J.Dodson, York Structural Biology Laboratory,
                  Chemistry Department, 
                  University of York, Y01 5DD Heslington, U.K.
Tel: Work: +44 (1904) 32 82 53  Home +44 (1904) 42 44 49
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