[cctbxbb] structure_factors_from_map

Philipp Heuser philipp.heuser at embl-hamburg.de
Mon Jul 9 04:37:06 PDT 2007


Hi,

thanks for the help with my asymmetric unit problem again. However I do 
have further questions further down my pipeline regarding the backwards 
fft from the map to structure factors:

Am I right if I assume that

fft_map = new_array.fft_map(resolution_factor=1/3., symmetry_flags=maptbx.use_space_group_symmetry)
real_map = fft_map.real_map()
very_new_array=new_array.structure_factors_from_map(map=real_map)

#Output1
new_array.show_array()
#Output2
very_new_array.show_array()

Output1 and Output2 should be identical? They are not... Do I have to 
consider something, so that they are identical?

Thanks and kind regards
Philipp

-- 

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Dr Philipp Heuser
Postdoctoral fellow

EMBL-Hamburg 
c/o Building 25A, DESY
Notkestrasse 85
22603 Hamburg

phone:   +49 40 89902 188
fax:     +49 40 89902 149
mail:    philipp.heuser at embl-hamburg.de
web:     www.philipp-heuser.de

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