[gmx-users] trjconv -pbc

Anton Feenstra feenstra at chem.vu.nl
Mon Mar 10 18:02:39 CET 2003


Rainer Boeckmann wrote:
> Hi Andre,
> 
> do you apply -pbc whole/-pbc nojump on the whole trajectory or only on snapshots
> or parts of the trajectory (with the initial tpr-file)? In the latter cases you
> might get broken molecules due to a change in box vector length. The nojump-flag
> uses the box parameters from the trajectory and not from the tpr-file. A
> solution would thus be to apply the procedure with whole & nojump on the whole
> trajectory (or on a small part with a changed tpr-file). trjconv -pbc nojump
> uses the tpr-file coordinates as a reference for the first frame but the box
> parameters from the first frame of the trajectory.

That doesn't sound quite right. If that is really the case, it might be a bug.
Can someone look into that?


-- 
Groetjes,

Anton
  _____________ _______________________________________________________
|             |                                                       |
|  _   _  ___,| K. Anton Feenstra                                     |
| / \ / \'| | | Dept. of Pharmacochem. - Vrije Universiteit Amsterdam |
|(   |   )| | | De Boelelaan 1083 - 1081 HV Amsterdam - Netherlands   |
| \_/ \_/ | | | Tel: +31 20 44 47608 - Fax: +31 20 44 47610           |
|             | Feenstra at chem.vu.nl - www.chem.vu.nl/~feenstra/       |
|             | "If You See Me Getting High, Knock Me Down"           |
|             | (Red Hot Chili Peppers)                               |
|_____________|_______________________________________________________|





More information about the gromacs.org_gmx-users mailing list