From: wahn_at_uiuc.edu
Date: Sun Feb 18 2007 - 12:31:53 CST

Thanks, Tim.

I would like to make a COM plot for a segment in my system.

So, I need data having a form of {f,x,y,z} where f is a number of frame and x,y,z are the 3D coordinate of the COM.

Won-Young

---- Original message ----
>Date: Sat, 17 Feb 2007 16:18:54 -0600
>From: Timothy Isgro <timisgro_at_ks.uiuc.edu>
>Subject: Re: tutorial-l: Center of mass analysis for a DCD trajectory
>To: "<wahn_at_uiuc.edu>" <wahn_at_uiuc.edu>
>Cc: tutorial-l_at_ks.uiuc.edu
>
>Hi Won-Young,
>
>What exactly do you want to do with the COM? Please include more
>detail in your questions. Yes, it is possible to analyze COM
>properties, and a full answer on everything that can be done would be
>very long.
>
>Also, please take some time to search the tutorial-l, vmd-l, and namd-
>l archives, as well as the VMD and NAMD user's guides, since many of
>the simpler tasks and questions have been addressed. For instance, I
>answered a question concerning COM velocity just yesterday on this
>list. This mailing list is for beginners, and no question is too
>basic to be posted here. But before posting, please do a basic
>amount of research into the topic to avoid duplicating answers which
>are already documented.
>
>-Tim
>
>
>On Feb 16, 2007, at 1:09 PM, <wahn_at_uiuc.edu> <wahn_at_uiuc.edu> wrote:
>
>> Dear NAMD users,
>>
>> Have anyone analyzed a center of mass of a segment throughout a dcd
>> trajectory file?
>>
>> If you did, could you inform me how to do it?
>>
>> I appreciate your help in advance.
>>
>> Won-Young
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