| VERSION 3.1 |
g_gyrate computes the radius of gyration of a group of atoms and the radii of gyration about the x, y and z axes,as a function of time. The atoms are explicitly mass weighted.
| option | filename | type | description |
|---|---|---|---|
| -f | traj.xtc | Input | Generic trajectory: xtc trr trj gro g96 pdb |
| -s | topol.tpr | Input | Structure+mass(db): tpr tpb tpa gro g96 pdb |
| -o | gyrate.xvg | Output | xvgr/xmgr file |
| -n | index.ndx | Input, Opt. | Index file |
| option | type | default | description |
|---|---|---|---|
| -[no]h | bool | no | Print help info and quit |
| -[no]X | bool | no | Use dialog box GUI to edit command line options |
| -nice | int | 19 | Set the nicelevel |
| -b | time | -1 | First frame (ps) to read from trajectory |
| -e | time | -1 | Last frame (ps) to read from trajectory |
| -dt | time | -1 | Only use frame when t MOD dt = first time (ps) |
| -[no]w | bool | no | View output xvg, xpm, eps and pdb files |
| -[no]q | bool | no | Use absolute value of the charge of an atom as weighting factor instead of mass |
| -[no]p | bool | no | Calculate the radii of gyration about the principal axes. |