[Chimera-users] (no subject)

Levy, Hazel C. Hazel_Levy at hms.harvard.edu
Wed Jul 2 08:01:55 PDT 2008

I am a postdoctoral researcher and an enthusiastic Chimera user.  We are trying to finish up a manuscript to submit tomorrow to JSB and we have been frantically trying to figure out how to convert from Chimera's "contour level" to the more conventional "sigma level" for density map viewing at different noise levels.  

We understand that the higher the contour level the smaller the map volume displayed (less noisy), but we are not quit sure how to report this as a sigma level.  

Each map that we are comparing has a different contour range assigned, I am wondering if sigma level corresponds to some proportion of the maximum volume.

Please let us know how to do this conversion or please point us in the direction toward the person that can help us.

Thanks you so much...this information will settle a long-standing mystery for us.
Hazel Levy
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