[Chimera-users] DepthQ stereo projector
tef at cgl.ucsf.edu
Fri Aug 15 18:36:56 PDT 2008
One could also build a very simple circuit that just inverts
the stereo sync signal before it goes to the emitter. A single
transistor is all that's needed. The sync signal level is 0v-5v.
> Just to follow up to the list. This is a generic problem for all OpenGL
> stereo applications due to the DepthQ projector delaying the images for a
> full frame. So what OpenGL thinks is the left eye comes out as the right
> eye and vice-versa.
> The simpliest solution that fixes all stereo applications is to use a
> NuVision stereo emittor that lets you switch the left and right eyes.
> Otherwise, each stereo application needs an option to switch the eyes
> and currently, chimera lacks that option (to be fixed soon). In the mean
> time, only use the DepthQ projector with Microsoft Windows.
> - Greg
> On Thu, 14 Aug 2008, Greg Couch wrote:
> > Chimera does not have an option to switch the eyes. Since it is a device
> > specific problem, we have expected it to be fixed by the device driver and
> > on other platforms, the device driver does have that option. Lightspeed,
> > who makes the DepthQ projector, is here at SIGGRAPH, so I'll stop by their
> > booth and learn more about the projector.
> > - Greg
> > On Thu, 14 Aug 2008, Matthew Dougherty wrote:
> >> I have been using chimera/macAqua with sequential stereo with no
> >> problems on a CRT.
> >> I am running into problems using the depth-q stereo projector because
> >> of the way their frame buffer works.
> >> Their left and right is inverted relative to the CRT.
> >> On other packages I activate a left/right image swap to get around this.
> >> Is there something I can do to achieve this on Chimera?
> >> Matt
> >> National Center for Macromolecular Imaging
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