[Chimera-users] inertia axis

Luca Pellegrini lp212 at cam.ac.uk
Mon Jan 23 07:51:14 PST 2012


Can you please explain how the inertia axis is calculated in:

Tools -> Structural analysis -> Structure Measurements -> Define Axes

when one uses the 'Selected atoms' and 'Mass weighting' option?

Formally one can define three principal axes of inertia for an object, but only one axis seems to be calculated.


Luca Pellegrini
Department of Biochemistry
University of Cambridge
80 Tennis Court Road
Cambridge CB2 1GA - UK

Email: lp212 at cam.ac.uk
Tel: 0044-1223-760469
Fax: 0044-1223-766002
Sanger building, room 3.59

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