[Chimera-users] Angle

Jian Guan jug25 at psu.edu
Wed Sep 24 09:22:23 PDT 2014

Hi Elaine,

Thank you so much for your reply. I made the axes by myself through
“measure rotation”. It generated axes models. If “angle” command only
show the smaller angle, why I got angle of minus and even more then 90




-----Original Message-----
From: Elaine Meng [mailto:meng at cgl.ucsf.edu] 
Sent: 2014年9月23日 16:36
To: Jian Guan
Cc: chimera-users at cgl.ucsf.edu
Subject: Re: [Chimera-users] Angle


Hi Jian,

You would need to use the IDs of the axes (not model numbers) in the angle
command.  The IDs are shown in the Axes/Planes/Centroids list of objects.
You could have specified the IDs when you made the axes, or they would be
generated automatically.


< <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/angle.html>



So the command would be something like: 


angle a1 a2


It gives the smaller angle, treating both axes as infinite lines.




On Sep 23, 2014, at 12:29 PM, "Jian Guan" < <mailto:jug25 at psu.edu>
jug25 at psu.edu> wrote:


> Hi All,

> I made two axes for two molecule, and want to measure the angle between
them. Let's say, #1 and #2 are the two axes. I used command line of "angle
#1 #2" to do that.

> Question:

> What is the default angle measurement? The #1 rotate clockwise or
anti-clockwise to reach #2?

> Thanks,

> Jian


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