[gmx-users] g_dist problems

[Mark Abraham]

Edvin Erdtman wrote:
> Hi again...
>>
>> How can we tell? You haven't given us your command line, or a 
>> meaningful chunk of output.
>>
> my command:
> 
> g_dist -f traj.xtc -n index.ndx -s topol.tpr
> 
> The output:
> ---
> Select a group: 0
> Selected 0: 'DPPC'
> Select a group: 1
> Selected 1: 'AL'
> Reading frame       0 time    0.000  Back Off! I just backed up dist.xvg 
> to ./#dist.xvg.1#
> Reading frame     400 time  200.000 
> -and then it stops! I need to hit ctrl-c
> 
> dist.xvg ends:
> 216.0000153    3.7260792    2.1281288    1.1397107   -2.8382730
> 216.5000
> 

OK, so maybe there's a problem with your trajectory. You can try using 
-b and -e to g_dist to see if you can analyze other small chunks of your 
trajectory, or better yet, use gmxdump to see what's going on.

Mark