[Chimera-users] question

Eric Pettersen pett at cgl.ucsf.edu
Tue Dec 17 16:57:01 PST 2013

On Dec 14, 2013, at 6:03 AM, wanxiaobo at nibs.ac.cn wrote:

> Dear chimera team / users,
>   I was looking for a way to save the content of Axis/plane/centroid information, not only the radii via command line, because I want to analyze the structure movement from MD trajectory. It is not convenient to save the information manually for each frame. 
> Thanks 
> Xiaobo   

Hi Xiaobo,
	You are right that compiling that information in the context of an MD trajectory is far too difficult.  Therefore, I have added code to Chimera to log all the pertinent info for axes/planes/centroids as they are created.  This means you can run through the trajectory once and then save the reply log to a file to save the relevant info.  I assume you are using a per-frame script to create the geometric objects.  You may want to add an "echo <FRAME>" to the start of your per-frame script so it is easy to tell which frame the objects belong to.
	The changes were just committed, so you will have to download a daily build dated Dec. 18th or later to get them.  Such a build should show up on the download page in about 12 hours (if the build succeeds).


                        Eric Pettersen
                        UCSF Computer Graphics Lab

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