[Chimera-users] Intensity range shift

Tom Goddard goddard at sonic.net
Fri Aug 22 08:46:56 PDT 2014


Yes, you can shift the density values with volume dialog menu Tools / Volume Filter, filter type Scale.  Or you can do it with the volume operation command, e.g. "vop scale #0 shift 100” described in the manual

	http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/midas/vop.html#scale

  Tom

On Aug 22, 2014, at 5:22 AM, <Petr.Brazda at seznam.cz> <Petr.Brazda at seznam.cz> wrote:

> Hello,
> 
> I would like to ask whether there is a possibility in Chimera to shift the intensity range. I have tomography data, which range from -32000 to 10000 in intensity. A would like to gradually erase parts of the tomogram with volume eraser but it is not possible because the intesity range does not start at zero. It is not possible to do the job with subregion selection. Is there a way to shift the intensity range?
> 
> Petr
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