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Re: [ccp4bb] Broken Masks |
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CCP4bb navigationCCP4bb <-- 2008 <-- March 2008 <-- 18 March 2008Subject: Re: Broken Masks From: Daniel Anderson dha {- at -} MBI {- dot -} UCLA {- dot -} EDU Date: 2008-03-18 My NCSMASK input file contains explicit xyzlim boundaries and "notrim" keyword. On Tue, 18 Mar 2008, Laurence Pearl wrote: > I'm trying to generate a mask around a molecule using NCSMASK under the CCP4i > interface, for ultimate use in NCS averaging and density modification in dm. > Being a little old-fashioned I wanted to check that it covered the required > molecule. However when displayed in COOT, there seem to be arbitary flat > slabs running through the mask, with some sort of inversion or other > transformation on the other side of the slab. The mask has a similar > appearance in the CCP4mg. The flattenings are parallel to cell edges, and > sometimes, but not always adjacent to cell faces. > > Is this a known problem ? is it NCSMASK ? or is it COOT and CCP4mg ? > > -- *********************************************** Daniel Anderson, Ph.D. Email: dha@mbi.ucla.edu Phone: 310-206-3642 Fax: 310-206-3914 Howard Hughes Medical Institute at University of California Los Angeles Lab: Paul Boyer Hall Room 219 For US Postal Service and 2-dimensional, use: Box 951662 MRL5-748 Los Angeles, CA 90095-1662 For UPS, FedEx, DHL, or 2.5-3-dimensional, use: Boyer 219 611 Charles Young Drive East Los Angeles, CA 90095-1570 USA CCP4bb navigationCCP4bb <-- 2008 <-- March 2008 <-- 18 March 2008 |
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