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You get bimodal distributions from experimental phasing but for
conversion from phase and fom you only need the A & B terms for the
unimodal distribution. If your next program insists of having the C and
D terms then just create two columns filled with zeroes to keep the
other program happy.
Bart
PS to create the dummy columns use:
calc a col C = 0
calc a col D = 0
The "a" sets the column type to A which identifies it as a HL
coefficient. If you forget to do this then SET TYPE will allow you to
this afterwards.
Yanming Zhang wrote:
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Qing,
sftools HLCONV can do that, if you only need A & B of unimodal phase
distribution. In case that you need ABCDs of dimodal phase distribution
I think CNS is the best.
Regards,
Yanming
On Fri, 19 May 2006, Qing Xie wrote:
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Hi,
Does anyone know the formula/or equation to calculate the
Hendrickson-Lattman Coefficients from known Fmodel and phase?
Once the formula is known, I can code it with fortran. Should I use
degree or radian regarding phases?
In addition, how to extract the A and B term (in complex A + iB) from
the known Fmodel and phases as well?
Thanks a lot!
Qing
--
==============================================================================
Bart Hazes (Assistant Professor)
Dept. of Medical Microbiology & Immunology
University of Alberta
1-15 Medical Sciences Building
Edmonton, Alberta
Canada, T6G 2H7
phone: 1-780-492-0042
fax: 1-780-492-7521
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