<div dir="ltr">Hi Elaine,<div><br></div><div>Thanks. Understood. </div><div><br></div><div>Qian</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 8 September 2017 at 17:22, Elaine Meng <span dir="ltr"><<a href="mailto:meng@cgl.ucsf.edu" target="_blank">meng@cgl.ucsf.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Qian,<br>
The e3 just means exponent, in other words, multiply by 10**3 (thousands). It is not the units. The units are based on whatever length scale the data are in, usually angstroms, so the volume would be cubic angstroms and the area square angstroms.<br>
I hope this helps,<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 8, 2017, at 1:01 AM, Pu Qian <<a href="mailto:p.qian@sheffield.ac.uk">p.qian@sheffield.ac.uk</a>> wrote:<br>
><br>
> Dear Chimera developers,<br>
> I'm using Chimera to estimate molecular weight from cryo-em map through volume viewer/tools/measure volume and area/<br>
> The value of the volume I got is in e3 unit. What dies this e3 mean. This e3 unit is used for area as well, which confused me.<br>
> The version I'm using is 1.12.<br>
> It seems that the e3 equals nm3, but I'm not sure. It would be a great appreciated if you could help me to make it clear. Thanks<br>
> Best regards<br>
> Qian<br>
<br>
</blockquote></div><br></div>