[gmx-users] g_bundle: How are these three terms defined? - (1) Tilt (2) Tiltr, and (3) Tiltl

[Berk Hess]

Hi,

The description describes this very concisely.
Tilt is the angle between the axis vector with the reference vector.
Tiltr is the radial tilt, so the angle between the reference vector
with the projection of the axis vector on the plane through
the reference vector and the midpoint of the axis.
The sign is positive when the axis points outwards.
Tiltl is the lateral tilt, the angle between the reference vector
and the projection of the axis vector on the plane
with as normal the vector from the reference axis to
the the midpoint of the axis.

Berk

Date: Thu, 4 Dec 2008 17:14:25 -0500
From: nilu.chakrabarti at gmail.com
To: gmx-users at gromacs.org
Subject: [gmx-users] g_bundle: How are these three terms defined? - (1) Tilt	(2) Tiltr, and (3) Tiltl

A. How are these three measurements defined in g_bundle: (1) Tilt (2) Tiltr, and (3) Tiltl
B. Whats the relationship between Tilt, and Tiltr/Tiltl?
C. Whats the sign (+ve/-ve) convention in Tiltr? 

Thanks and Regards, - Nilu 



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