<pre><br><br>I am having the evidence that I have drawn RMSD plot for 7.25ns simulation, in rmsd.xvg file showed the values of the time(ps), mentioned in *trjconv command <br><br>Im pasting my .mdp file<br><br>title = dpt_prod<br>
constraints = hbonds<br>integrator = md<br>dt = 0.002 <br>nsteps = 500000<br>nstcomm = 1<br>
;output control statements<br>nstxout = 100<br>nstlog = 100<br>nstenergy = 100<br>nstlist = 10<br>~ <br>
~ <br><br>My idea of doing this trjconv command is by mistaken I have deleted 7thns .trr but I have that file in .xtc format, so I am trying to get 7ns file in .trr format for continue my simualation<br>
<br>Thanks in advance.<br><br>sudheer babu wrote:<br>><i> Hi all,<br></i>><i> I am having 7.25ns trajectory file , I am trying to pick up <br></i>><i> 6250ps to 7250 ps trajectory file from whole trajectory by using trjconv,<br>
</i>><i> Command line is<br></i>><i> *trjconv -f 7.25ns.xtc -s pr.tpr -o 6.25_7.25_out.trr -b <br></i>><i> 6250 -e 7250<br></i>><i> selected " system " for getting output<br></i>><i> it showed the following error<br>
</i>><i> -----------------------------------------------------------------<br></i>><i> Program trjconv, VERSION 3.3.1<br></i>><i> Source code file: trxio.c, line: 635<br></i>><i> <br></i>><i> Fatal error:<br>
</i>><i> Specified frame doesn't exist or file not seekable<br></i>><i> -----------------------------------------------------------------------<br></i><br>>That sounds pretty specific to me. What's your evidence that the file is <br>
>seekable and these frames exist?<br><br>>Check that your .mdp file options should have caused XTC output to be <br>>written in this time. Then look at a gmxdump of this .trr file.<br><br>>It's not relevant to the problem, but there's almost no value in writing <br>
>XTC input in .trr format on output.<br><br>><i> I have found few discussions in gmx-archives regarding this problem and <br></i>><i> due to BUG in source code its showing error.<br></i>
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