[phenixbb] map scaling: sigma or volume scaled

Pavel Afonine pafonine at lbl.gov
Wed Mar 6 20:05:54 PST 2013


Yes, but F000 is not included.

Pavel

On 3/6/13 8:04 PM, Edward A. Berry wrote:
> Pavel Afonine wrote:
>> Hi Ed,
>>
>> volume scaling - simply normalizing map coefficients by unit cell volume
>> (as opposed to normalizing by standard deviations, which "sigma 
>> scaling").
>>
>> Pavel
>
> Does that mean the map values will be in electrons/A**3?
> (Apart from the zero-average offset due to no Fooo term?)
>
>>
>> On 3/6/13 7:43 PM, Edward A. Berry wrote:
>>> map scaling can be defined: sigma or volume scaled
>>>
>>> Maybe another dumb question, but what is volume scaling?
>>> For 2mFo-DFc and mFo-DFc maps.
>>>
>>> Thanks,
>>> Ed
>>> _______________________________________________
>>> phenixbb mailing list
>>> phenixbb at phenix-online.org
>>> http://phenix-online.org/mailman/listinfo/phenixbb
>>
>>
>



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