[Chimera-users] square of density volume

Tom Goddard goddard at cgl.ucsf.edu
Tue Apr 13 12:15:11 PDT 2010

Hi Ryo,

  I've attached a Python script that squares the values of a density 
map.  Opening the script (File / Open) creates a copy of the active map 
(the one highlighted in the volume dialog) with density values squared.  
I've tested it with Chimera 1.4.  You could save the squared map to a 
file with the volume dialog File / Save Map As... menu entry.

  The script is also on the Chimera scripts web page.



> Hi chimera users,
> I want to calculate the square value for the volume of the electron 
> density because I want to calculate the variance map.
> Do anyone know whether we can calculate the square value of the volume 
> by chimera?
> And if we can, could you teach me how to calculate?
> Thanks for your time and help,
> Ryo

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