[Chimera-users] Zoom problem?

Tom Goddard goddard at sonic.net
Mon Feb 3 10:16:47 PST 2014

Hi Damien,

  This happens when the Chimera Camera scale factor becomes enormous (like 1.0e30).  The focus command will reset this to 1 and fix the problem.  You can see the value in the Camera dialog (Tools / Viewing Controls / Camera).  The scale factor gets increased when you zoom in.   It works like a telescope zoom -- the field of view gets smaller but the camera doesn't get any closer to the molecule.  How does it get to such a huge value?  I recall seeing this bug using a Space Navigator input device.  It shouldn't happen and indicates some kind of Chimera bug.


On Feb 3, 2014, at 7:29 AM, Damien Larivière wrote:

> Dear all,
> I try to zoom in the scene, to get very close to my model shown here below. I cannot be closer than in the image below, the zooming function is at its maximum. When zooming, I get the error message : refocus to continue scaling
> I do not know whether it is a bug or something I'm doing wrong.
> Thanks for your help,
> Damien
> <hihgfahh.png>
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> Chimera-users at cgl.ucsf.edu
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