1 .TH g_principal 1 "Thu 16 Oct 2008"
3 g_principal - calculates axes of inertia for a group of atoms
10 .BI "-n" " index.ndx "
11 .BI "-a1" " axis1.dat "
12 .BI "-a2" " axis2.dat "
13 .BI "-a3" " axis3.dat "
24 g_principal calculates the three principal axes of inertia for a group
29 Trajectory: xtc trr trj gro g96 pdb cpt
33 Structure+mass(db): tpr tpb tpa gro g96 pdb
39 .BI "-a1" " axis1.dat"
43 .BI "-a2" " axis2.dat"
47 .BI "-a3" " axis3.dat"
57 Print help info and quit
59 .BI "-nice" " int" " 19"
62 .BI "-b" " time" " 0 "
63 First frame (ps) to read from trajectory
65 .BI "-e" " time" " 0 "
66 Last frame (ps) to read from trajectory
68 .BI "-dt" " time" " 0 "
69 Only use frame when t MOD dt = first time (ps)
71 .BI "-tu" " enum" " ps"
87 View output xvg, xpm, eps and pdb files
90 Dummy option to avoid empty array