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: [email protected] [[email protected]] on behalf of Scott Horowitz [[email protected]] 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? Thanks, Scott -- 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