Hello,

There is an option of -settime for gmx trjcat, with which you can set different starting simulation time
for each trajectory.


All the best,
Qinghua

On 4/9/20 1:26 PM, Pandya, Akash wrote:
Hi,

I have four trajectories of the same condition (protein only) that I want to 
concatenate. I used the command below to do this:

gmx trjcat -f Traj1.xtc Traj2.xtc Traj3.xtc Traj4xtc -o TrajFINAL.xtc -cat

So this command gives me a file with all four trajectories, pasted together. 
The combined trajectory has now got four sets of the same time stamps. My 
question is how can I change the time stamps so that they appear in 
chronological order, instead of repeated time stamps?. So I would have a 
combined trajectory e.g. 20 to 200 ns.

I hope I'm being clear about what I want to do and someone can guide me on 
achieving this.

Best wishes,

Akash





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