Hi, This question was sent to the commercial licensing address -- for user questions, please use the email address chimerax-users@cgl.ucsf.edu <mailto:chimerax-users@cgl.ucsf.edu> CC'd here to ensure that you get an answer instead of mystified silence. Is the local resolution map open in addition to the original map? I only see two copies of the same map in the Volume Viewer. Make sure that you open the local resolution map instead of a second copy of the original map. I hope this helps, Elaine ----- Elaine C. Meng, Ph.D. UCSF Chimera(X) team Resource for Biocomputing, Visualization, and Informatics Department of Pharmaceutical Chemistry University of California, San Francisco

On Oct 3, 2025, at 2:07 PM, Roy Chowdhury, Shatabdi wrote: Hi,

In the past, I've used chimerax to display local resolution on maps using the tools->volume data->surface color function. In a new map, I'm having difficulty with it. I'm attaching screenshots where the phenix local resolution job suggests the resolution range to be 1.27A - 4.6A range which is in agreement with cryosparc. When I load the cctbx_program.ccp4 file on chimerax, it is unable to color the surface and says the surface values are -0.067 - 0.107. Is there something I should be doing differently? Any suggestions would be deeply appreciated.

Thanks!

Shatabdi Roy-Chowdhury, PhD. Cardiovascular Research Institute University of California, San Francisco

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