[gmx-users] angle calculation

[Justin Lemkul]

On 7/20/16 3:58 AM, Adamu, Aliyu wrote:
> Hello all,
>
> I am interested in calculating angle between 3 specific groups. Is it possible to generate the angle.ndx file for theses specific groups in GROMACS 4.6.7? If yes, please how? And if no is there any option?
>
> Please can any one help
>

gmx gangle with suitable vector selections may work, otherwise output the COM 
coordinates of the three groups (gmx traj -ox -com) and write a simple script to 
calculate the angle between those vectors.

-Justin

-- 
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Justin A. Lemkul, Ph.D.
Ruth L. Kirschstein NRSA Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 629
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalemkul at outerbanks.umaryland.edu | (410) 706-7441
http://mackerell.umaryland.edu/~jalemkul

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