[chimerax-users] 3D stereo lighting is not the same as mono

[Tom Goddard]

I made a bug report for this

	https://www.rbvi.ucsf.edu/trac/ChimeraX/ticket/3315 <https://www.rbvi.ucsf.edu/trac/ChimeraX/ticket/3315>

I am not able to test stereo, don't have a computer that can do it.  For me other two eye modes like VR and SBS (side-by-side) have correct shadows.  The problem may be a graphics driver bug effecting shadow calculation.  Or it might be a bug in ChimeraX in how OpenGL quad-buffering are used.

	Tom


> On May 23, 2020, at 4:39 PM, Kenneth Satyshur <kenneth.satyshur at wisc.edu> wrote:
> 
> I am using version 1.0 in Centos7 with Nvidia 3D glasses and K4000 video card. I do all my work  in 3D stereo. Especially density fitting. I noticed that the lighting is different in mono vs stereo mode. When i go to stereo mode with
> 
> camera stereo
> 
> the image is in stereo but the "full" lighting is on and the image is very dark with shadows. If I switch to 'simple' it is bright and has weak shadowing. Switching to 'soft' the image is flat black and can only be seen with white background but contains no atoms. I think this is a bug.  
> But a Great improvement in rendering of images.
> thanks
> kas
> p.s. old chimera does stereo very well on my system
> Linux kenworkathome 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
> 
> 
> Kenneth A. Satyshur, M.S., Ph.D.
> Senior Scientist,
> Department of Bacteriology: College of Ag and Life Sciences; 
> Departments of Bio Molecular Chemistry,
> Neuroscience, Oncology, and Carbone Cancer Center: 
> School of Medicine and Public Health;
> and the School of Pharmacy
> University of Wisconsin-Madison
> Madison, Wisconsin, 53706
> 608-215-5207
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