[gmx-users] -e -dt flags

XAvier Periole x.periole at rug.nl
Thu Aug 19 10:30:15 CEST 2010

On Aug 18, 2010, at 20:57, Rama G <jujurama at yahoo.com> wrote:

> Hi guys,
> I got a little shocked when I used the -e and -dt in g_hbond, why the default for - e is 0, on manual it says "-e" means "last frame to read from trajectory". I know "-b" means "First frame to read from trajectory" with default 0, why do both default values are the same, and both from 0. 
Zero will indicate the end of the trajectory. 
> And can anyone explain a little bit about -dt to me? MOD means modulate?
Mod means modulo! -dt XX will select the conformations that are spaced by XX ps starting at time given by -b option. 
> Thanks,
> Juju 
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