<div style="font-family: 'Times New Roman'; font-size: 16px;"><br /><br /><span>On 02/16/10, <b class="name">Amit Choubey </b> <kgp.amit@gmail.com> wrote:</span><blockquote cite="mid:ee17aa221002151416j12381b03sbbaa687732187cdb@mail.gmail.com" class="iwcQuote" style="border-left: 1px solid rgb(0, 0, 255); padding-left: 13px; margin-left: 0pt;" type="cite"><div class="mimepart text html">Hi Everyone,<div><br /></div><div>I changed the gromacs source code a little bit and this change introduced some bias along x direction. Now i want to do a 'yz' pbc but gromacs has the option of pbc = xy only. Is there a quick tip to circumvent? I can always introduce the bias along z but its a little time taking job :)</div></div></blockquote>Rotate the simulation box?<br _moz_dirty="" /><br _moz_dirty="" />Mark<br _moz_dirty="" type="_moz" /></div>