[Chimera-users] given viewing angle

Tom Goddard goddard at sonic.net
Tue Apr 11 10:40:07 PDT 2017


Hi SL,

  If you want to specify elevation 60 degrees and azimuth 110 degrees start with the map in the initial position when opened and use the turn command

	turn z -110
	turn x -30

The initial position has the map z axis pointing out of the screen, the x axis to the right, and the y axis vertical on the screen.  The turn command rotates relative to the screen axes so the first command does a z rotation rotates about the map z axis (which is aligned with the screen z axis), and the second command tilts relative to the screen x axis — since the initial elevation is 90 degrees (looking down at the north pole of the map, to get down to 60 degrees elevation I rotate by 30 = 90-60 degrees.  To reset to the initial view use the reset command:

	reset

  Tom


> On Apr 10, 2017, at 5:55 PM, hy liao <hl_random at yahoo.com> wrote:
> 
> Hi, 
> 
> How can I specify the elevation and the azimuth angles to view my density map on chimera? 
> 
> In Matplotlib, one can specify the elevation and azimuth, so I was hoping chimera can do something similar that is based on INPUT ANGLES and not having to get involved with tedious transformation matrices and such.
> 
> Thanks,
> SL
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