[chimera-dev] Chimera "planes" calculation

[Kavya Shankar]

Thank you, Elaine!

On Mon, Nov 7, 2016 at 12:50 PM, Elaine Meng <meng at cgl.ucsf.edu> wrote:

> Hi Kavya,
> From
> <http://www.rbvi.ucsf.edu/chimera/docs/ContributedSoftware/
> structuremeas/structuremeas.html#planes>:
>
> "Eigenvectors/values are calculated from the atomic coordinates after
> subtracting the position of their non-mass-weighted centroid. The plane is
> anchored at the centroid and aligned with the first two eigenvectors (the
> third eigenvector is normal to the plane)."
>
> Only the atoms you have selected are used in the calculation.  I hope this
> helps,
> Elaine
> ----------
> Elaine C. Meng, Ph.D.
> UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
>
>
> > On Nov 7, 2016, at 9:39 AM, Kavya Shankar <kavshank at umail.iu.edu> wrote:
> >
> > Hi,
> >
> > My thesis is on protein symmetry and I have been using the chimera's
> "Axes/Plane/Centroid" feature a lot. May I know what algorithm is being
> used in order to get the plane?
> >
> > Thanks.
> >
> > Regards,
> > Kavya Shankar
>
>
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