[phenixbb] Average maps (*not* NCS averaging)

[Pavel Afonine]

  Donnie,

Coot is not a part of PHENIX and is not distributed with PHENIX. PHENIX 
can use Coot if it is available (installed separately by the user).

Pavel.

On 3/10/11 7:26 PM, Donnie Berkholz wrote:
> On 17:15 Thu 10 Mar     , Stephen Graham wrote:
>> Hi there,
>>
>> I'd like to average 2Fo-Fc maps from 2 (approximately) isomorphous
>> data sets (one with ligand, one without) to see whether I get better
>> density for some of the noisier bits of the structure.  I don't want
>> to do any kind of solvent flattening, histogram matching, cyclical
>> averaging, etc; I just want to sum the equivalent pixels and divide by
>> 2.
>>
>> Is it possible to do this easily using any of the phenix tools?  It
>> seems like all the required plumbing is there with get_cc_mtz_mtz or
>> superpose_maps, but I can't find a phenix utility for averaging two
>> superposed maps.
> Well, Coot is distributed with phenix so I guess you could call it a
> phenix tool. You can use tools in Extensions->Maps to first superpose
> the maps (transform by LSQ fit), then average them.
>
>
>
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