[Chimera-users] suggestion: stereo3D

Tom Goddard goddard at sonic.net
Tue Nov 12 10:02:20 PST 2013


Hi Matt,

  If you move inside a molecule the near clip plane is placed a tiny distance from the camera.  You don't want the focal plane (i.e. the plane of the screen in stereo viewing) there, since the models will appear very far behind the screen.  As you display new molecules the near clip plane adjusts dynamically -- you probably don't want the scene jumping in depth relative to the screen.  So I don't think having the focal plane locked to the near clip plane is going to be useful.  The current focal plane stays at a fixed z-position (initially at the middle of the bounding box).  It is easy to get models showing far in front or far in back of the focal plane by just opening new models after the initial focal plane position is set.  How to adjust the focal plane smoothly to maintain a reasonable total scene depth and depth relative to the screen is a tricky problem that we don't have an answer for.

	Tom



On Nov 11, 2013, at 10:23 PM, "Dougherty, Matthew T" wrote:

> Hi,
> 
> I would recommend an option to lock the focal plane to the min clipping plane.
> having that track will make first pass stereography easier to create the stereo3D parallax budget.
> 
> 
> Matthew Dougherty
> National Center for Macromolecular Imaging
> Baylor College of Medicine
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