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Re: [ccp4bb]: Notation used in ARP_WARP

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> I am currently trying to use ARP_WARP for the first time and I have a query
> which someone may be able to help me with.
> The runnable example within the documentation created by Martin Winn uses
> titles for the maps named 2mFo-DFc and mFo-DFc. Does the m and D within
> these titles actually have any meaning or is this just the correct notation
> for these maps?
> Thanks in advance for any help with this problem
> Lorna Perikns

These maps use the coefficients FWT and DELFWT output by REFMAC,
which are described in the refmac documentation. But basically
they are modifications of the straight 2Fo-Fc and Fo-Fc coefficients
to take into account error and incompleteness of current model.



*                                                                        *
*                  Dr. Martyn Winn                                       *
*                                                                        *
*      Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, ENGLAND     *
*      Tel: +44 1925 603455    E-mail: m.d.winn@ccp4.ac.uk (personal)    *
*      Fax: +44 1925 603124    E-mail: ccp4@ccp4.ac.uk  (CCP4 problems)  * 
*          URL: http://www.dl.ac.uk/CCP/CCP4/martyn/martyn.html          *