Yes, that is the volume inside the surface, my second suggestion. It depends on the contour level of the surface, of course. Elaine
On Sep 21, 2022, at 1:15 PM, Tianming Qu via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
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. <image001.png>
Best, Tianming 发件人: Elaine Meng <meng@cgl.ucsf.edu> 日期: 星期三, 2022年9月21日 下午4:10 收件人: Tianming Qu <tqu@fsu.edu> 抄送: ChimeraX Users Help <chimerax-users@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/m... >
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/m... > <https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/command... >
See also the general page on measurements: <https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/measure... >
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@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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