Re: [Chimera-users] [chimera-dev] fit map in map -- also fit a/pix at the same time ?

Hi Stefan, Chimera cannot optimize the volume grid spacing when fitting a molecule model. I agree that would be useful. I'll add it to our requested features list. http://www.cgl.ucsf.edu/chimera/plans.html You can do this scale optimization by hand using the volume dialog Coordinates panel to change the voxel size (press the return key after you change the number), then press the Fit button on the Fit in Map dialog. With small scale changes the fit should converge each time and you can quickly try several different scales. The newer Chimera releases (Jan 31, 2008, 1.2492) available on the daily builds page can make a simulated map for your molecule at the desired resolution and report correlation coefficients which is probably better than average map values for this scale optimization. Tom
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Tom Goddard