g_dih(1) analyzes dihedral transitions


g_dih -f traj.xtc -s topol.tpr -o hello.out -[no]h -[no]version -nice int -b time -e time -dt time -[no]w -[no]sa -mult int


g_dih can do two things. The default is to analyze dihedral transitions by merely computing all the dihedral angles defined in your topology for the whole trajectory. When a dihedral flips over to another minimum an angle/time plot is made.

The opther option is to discretize the dihedral space into a number of bins, and group each conformation in dihedral space in the appropriate bin. The output is then given as a number of dihedral conformations sorted according to occupancy.


-f traj.xtc Input
 Trajectory: xtc trr trj gro g96 pdb cpt 

-s topol.tpr Input
 Run input file: tpr tpb tpa 

-o hello.out Output
 Generic output file 


 Print help info and quit

 Print version info and quit

-nice int 19
 Set the nicelevel

-b time 0
 First frame (ps) to read from trajectory

-e time 0
 Last frame (ps) to read from trajectory

-dt time 0
 Only use frame when t MOD dt = first time (ps)

 View output  .xvg .xpm .eps and  .pdb files

 Perform cluster analysis in dihedral space instead of analysing dihedral transitions.

-mult int -1
 mulitiplicity for dihedral angles (by default read from topology)