[phenixbb] making coarse maps

Terwilliger, Thomas Charles terwilliger at lanl.gov
Fri Jan 30 06:57:45 PST 2015

Hi Scott,

You can use the reflection file converter in the GUI to write out map coefficients with any resolution cutoff that you like. That may be the easiest.  Alternatively you can take your refined model and use phenix.maps to calculate a map at any resolution that you like without further refinement.

You might also consider just adjusting the sharpening on your map which will have something of the same effect as cutting the resolution.

All the best,
Tom T

From: phenixbb-bounces at phenix-online.org [phenixbb-bounces at phenix-online.org] on behalf of Scott Horowitz [horowsah at umich.edu]
Sent: Friday, January 30, 2015 6:09 AM
To: PHENIX user mailing list
Subject: [phenixbb] making course maps

Hi all,

Although I realize this sounds counterproductive, I'd really like to be able to make a map with grid spacing that is around 3 A, even though I have a ~2 A structure, and I don't want to have to cut data before refinement. However, it seems like the max number I can give to the grid resolution factor is 0.5. Is there a way to break this limit without it crashing?


Scott Horowitz, Ph.D.
Research Associate
Howard Hughes Medical Institute

University of Michigan
Department of Molecular, Cellular, and Developmental Biology
Bardwell lab
830 N. University Ave, Room 4007
Ann Arbor, MI 48109
phone: 734-647-6683
fax: 734-615-4226
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