[gmx-users] the g_rms function after we trjcat the trajectory files before and after extension

[Acoot Brett]

Dear All,
 
Before and after extention we have 2 trajectorty files, and by trjcat we got we, then we can do the g_rms
 
g_rms -s *.tpr -f *_noPBC.xtc -o rmsd.xvg -tu ns
 
But here for the g_rms command I find no matter whether we use the  *.tpr of the initiation of the production MD, or the *.tpr for the initiation of the extension part, the rmsd.xvg curves seems same.
 
Will you please give some comment on it?
 
Cheers,
 
Acoot   
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