<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Shubham,<div class=""><br class=""></div><div class=""> The ChimeraX programming manual has a section showing the Python functions for each ChimeraX command</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="https://www.cgl.ucsf.edu/chimerax/docs/devel/bundles/core/commands/user_commands.html" class="">https://www.cgl.ucsf.edu/chimerax/docs/devel/bundles/core/commands/user_commands.html</a></div><div class=""><br class=""></div><div class="">Probably you already found that.</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jun 30, 2022, at 9:45 AM, Shubham Devesh Ramgoolam via ChimeraX-users <<a href="mailto:chimerax-users@cgl.ucsf.edu" class="">chimerax-users@cgl.ucsf.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I was able to find the python script for the command, thanks to the online documentation.</div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I’ll try to work something out of this.</div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Shubham</div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Sent from<span class="Apple-converted-space"> </span><a href="https://go.microsoft.com/fwlink/?LinkId=550986" style="color: blue; text-decoration: underline;" class="">Mail</a><span class="Apple-converted-space"> </span>for Windows</div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(225, 225, 225); padding: 3pt 0in 0in;" class=""><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif; border: none; padding: 0in;" class=""><b class="">From:<span class="Apple-converted-space"> </span></b><a href="mailto:meng@cgl.ucsf.edu" style="color: blue; text-decoration: underline;" class="">Elaine Meng</a><br class=""><b class="">Sent:<span class="Apple-converted-space"> </span></b>Wednesday, June 29, 2022 19:34<br class=""><b class="">To:<span class="Apple-converted-space"> </span></b><a href="mailto:sdramgoolam@uwaterloo.ca" style="color: blue; text-decoration: underline;" class="">Shubham Devesh Ramgoolam</a><br class=""><b class="">Cc:<span class="Apple-converted-space"> </span></b><a href="mailto:chimerax-users@cgl.ucsf.edu" style="color: blue; text-decoration: underline;" class="">chimerax-users@cgl.ucsf.edu</a><br class=""><b class="">Subject:<span class="Apple-converted-space"> </span></b>Re: [chimerax-users] Aligning a trajectory to its first frame</div></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><p class="MsoNormal" style="margin: 0in 0in 12pt; font-size: 11pt; font-family: Calibri, sans-serif;">Hi Shubham,<br class="">The "coordset" command for playing back trajectories and the "coordset slider" command for showing a slider interface both have a "holdSteady" option for specifying which atoms to fit between frames:<br class=""><br class=""><<a href="https://rbvi.ucsf.edu/chimerax/docs/user/commands/coordset.html" style="color: blue; text-decoration: underline;" class="">https://rbvi.ucsf.edu/chimerax/docs/user/commands/coordset.html</a>><br class=""><<a href="https://rbvi.ucsf.edu/chimerax/docs/user/commands/coordset.html#slider" style="color: blue; text-decoration: underline;" class="">https://rbvi.ucsf.edu/chimerax/docs/user/commands/coordset.html#slider</a>><br class=""><br class="">I hope this helps,<br class="">Elaine<br class="">-----<br class="">Elaine C. Meng, Ph.D. <span class="Apple-converted-space"> </span><br class="">UCSF Chimera(X) team<br class="">Department of Pharmaceutical Chemistry<br class="">University of California, San Francisco<br class=""><br class=""><br class="">> On Jun 29, 2022, at 12:30 AM, Shubham Devesh Ramgoolam via ChimeraX-users <<a href="mailto:chimerax-users@cgl.ucsf.edu" class="">chimerax-users@cgl.ucsf.edu</a>> wrote:<br class="">><span class="Apple-converted-space"> </span><br class="">> Hi all,<span class="Apple-converted-space"> </span><br class="">> I hope you are doing well.<br class="">> Is there a way to align all the frames of a trajectory to its first frame for the purpose of visualization?<span class="Apple-converted-space"> </span><br class="">> I’m trying to visualize a residue pair in a trajectory and I have done the following:<br class="">> select both residues; view sel; play the movie.<br class="">> The issue here is that the position of the pair changes (the pair rotates across the screen) with the frame. <span class="Apple-converted-space"> </span><br class="">> Regards,<br class="">> Shubham Ramgoolam<o:p class=""></o:p></p><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">ChimeraX-users mailing list</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class=""><a href="mailto:ChimeraX-users@cgl.ucsf.edu" class="">ChimeraX-users@cgl.ucsf.edu</a></span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Manage subscription:</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class=""><a href="https://www.rbvi.ucsf.edu/mailman/listinfo/chimerax-users" class="">https://www.rbvi.ucsf.edu/mailman/listinfo/chimerax-users</a></span></div></blockquote></div><br class=""></div></body></html>