On Thu, Dec 17, 2009 at 10:54 AM, Jason C Porta <jpo...@unmc.edu> wrote:
> I have been trying to modify the grid spacing on 2Fo-Fc map that was loaded > into PyMol directly from phenix.refine. The mesh object is generated from > the isomesh command. Basically, I would like there to be fewer grid points > so that the density isn't so thick. If anyone has any advice, it would be > greatly appreciated. The grid spacing is built in to XPLOR maps. The only workaround I can suggest is to start from the map coefficients in MTZ format, and run CCP4 FFT to output a CCP4 format map with the grid spacing you prefer. (0.33*resolution is the default in most programs, but phenix.refine uses 0.25*resolution.) I'll add a program to the Phenix GUI to do this at some point. For now, I'll see if I can make it easier to change the resolution factor from the GUI.
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