Re: [gmx-users] obtaining .gro timeframe

2014-07-02 Thread Justin Lemkul
On 7/1/14, 11:28 PM, Chetan Mahajan wrote: Thanks, Justin. *Until now, I was thinking that xtc coordinates are wrapped. It's good to know that coordinates from xtc files are unwrapped (please comment if not correct, since we talked only with respect to gro That is correct. mdrun doesn't

Re: [gmx-users] obtaining .gro timeframe

2014-07-02 Thread Chetan Mahajan
Thanks a lot, Justin. It's much clearer, but one last question: If the coordinates in sample.gro extracted from xtc trajectory using trjconv ( without any application of pbc) are unwrapped, why almost all of them happen to lie in the box, as can be seen in the following snapshot? I would expect

Re: [gmx-users] obtaining .gro timeframe

2014-07-02 Thread Justin Lemkul
On 7/2/14, 6:45 PM, Chetan Mahajan wrote: Thanks a lot, Justin. It's much clearer, but one last question: If the coordinates in sample.gro extracted from xtc trajectory using trjconv ( without any application of pbc) are unwrapped, why almost all of them happen to lie in the box, as can be

Re: [gmx-users] obtaining .gro timeframe

2014-07-01 Thread Justin Lemkul
On 7/1/14, 9:08 PM, Chetan Mahajan wrote: Thanks, Justin. Are you saying, the coordinates in .gro file extracted from xtc trajectory are not wrapped, whereas those in the .gro file generated at the end of gromacs MD run are wrapped in the box? Yes, unless you've manipulated the trajectory