[chimerax-users] 答复: calculate volume of voxels
Tianming Qu
tqu at fsu.edu
Wed Sep 21 13:15:23 PDT 2022
Not only the voxel map, but also the whole region of the map, for example the colume of the blue region in the following fig.
[图片包含 游戏机, 项链, 电话 描述已自动生成]
Best,
Tianming
发件人: Elaine Meng <meng at cgl.ucsf.edu>
日期: 星期三, 2022年9月21日 下午4:10
收件人: Tianming Qu <tqu at fsu.edu>
抄送: ChimeraX Users Help <chimerax-users at cgl.ucsf.edu>
主题: calculate volume of voxels
If you mean to just find out the voxel size, you can use command "volume settings" or menu: Tools... Volume Data... Map Coordinates.
<https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/tools/mapcoords.html__;!!PhOWcWs!xrqKohxNSCfckLcye7LYBV-K4etN0HWgVHJeRESO5aZvezJihBg0pif9bSakwcYHaNuT_Z6phcKbZw$ >
If you mean to measure the volume inside the surface (cubic angstroms) then command "measure volume" or menu: Tools... Volume Data... Measure Volume and Area.
<https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/tools/measurevolume.html__;!!PhOWcWs!xrqKohxNSCfckLcye7LYBV-K4etN0HWgVHJeRESO5aZvezJihBg0pif9bSakwcYHaNuT_Z7XwPi_sA$ >
<https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/commands/measure.html*volume__;Iw!!PhOWcWs!xrqKohxNSCfckLcye7LYBV-K4etN0HWgVHJeRESO5aZvezJihBg0pif9bSakwcYHaNuT_Z5EkUG-aQ$ >
See also the general page on measurements:
<https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/measurements.html__;!!PhOWcWs!xrqKohxNSCfckLcye7LYBV-K4etN0HWgVHJeRESO5aZvezJihBg0pif9bSakwcYHaNuT_Z4tIITbew$ >
Elaine
-----
Elaine C. Meng, Ph.D.
UCSF Chimera(X) team
Department of Pharmaceutical Chemistry
University of California, San Francisco
> On Sep 21, 2022, at 12:18 PM, Tianming Qu via ChimeraX-users <chimerax-users at cgl.ucsf.edu> wrote:
>
> Thanks for the so quick reply Dr. Elaine.
>
> One more question, can chimera calculate the volume of voxels for density map?
>
> Best,
> Tianming
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