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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian"><img width="170" height="196" style="width:1.7708in;height:2.0416in" id="图片_x0020_1" src="cid:image001.png@01D8CDD5.56352040" alt="图片包含 游戏机, 项链, 电话
描述已自动生成"></span><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:DengXian">Tianming<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">发件人</span></b><b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">:</span></b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"> Elaine
Meng <meng@cgl.ucsf.edu><br>
</span><b><span style="color:black">日期</span></b><b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">:</span></b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">
</span><span style="color:black">星期三</span><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">, 2022</span><span style="color:black">年</span><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">9</span><span style="color:black">月</span><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">21</span><span style="color:black">日</span><span style="font-family:"Calibri",sans-serif;color:black">
</span><span style="color:black">下午</span><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">4:10<br>
</span><b><span style="color:black">收件人</span></b><b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">:</span></b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"> Tianming Qu <tqu@fsu.edu><br>
</span><b><span style="color:black">抄送</span></b><b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">:</span></b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"> ChimeraX Users Help <chimerax-users@cgl.ucsf.edu><br>
</span><b><span style="color:black">主题</span></b><b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black">:</span></b><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"> calculate volume of voxels<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US" style="font-size:11.0pt">If you mean to just find out the voxel size, you can use command "volume settings" or menu: Tools... Volume Data... Map Coordinates.<br>
<https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/tools/mapcoords.html__;!!PhOWcWs!xrqKohxNSCfckLcye7LYBV-K4etN0HWgVHJeRESO5aZvezJihBg0pif9bSakwcYHaNuT_Z6phcKbZw$ ><br>
<br>
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.<br>
<https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/tools/measurevolume.html__;!!PhOWcWs!xrqKohxNSCfckLcye7LYBV-K4etN0HWgVHJeRESO5aZvezJihBg0pif9bSakwcYHaNuT_Z7XwPi_sA$ ><br>
<https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/commands/measure.html*volume__;Iw!!PhOWcWs!xrqKohxNSCfckLcye7LYBV-K4etN0HWgVHJeRESO5aZvezJihBg0pif9bSakwcYHaNuT_Z5EkUG-aQ$ ><br>
<br>
See also the general page on measurements:<br>
<https://urldefense.com/v3/__https://rbvi.ucsf.edu/chimerax/docs/user/measurements.html__;!!PhOWcWs!xrqKohxNSCfckLcye7LYBV-K4etN0HWgVHJeRESO5aZvezJihBg0pif9bSakwcYHaNuT_Z4tIITbew$ ><br>
<br>
Elaine<br>
-----<br>
Elaine C. Meng, Ph.D. <br>
UCSF Chimera(X) team<br>
Department of Pharmaceutical Chemistry<br>
University of California, San Francisco<br>
<br>
> On Sep 21, 2022, at 12:18 PM, Tianming Qu via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:<br>
> <br>
> Thanks for the so quick reply Dr. Elaine.<br>
> <br>
> One more question, can chimera calculate the volume of voxels for density map?<br>
> <br>
> Best,<br>
> Tianming<o:p></o:p></span></p>
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