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2x DVI Output for 3D Stereoscopic

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DualStream

A number of stereo display setups require 2 DVI outputs from the workstation. Each output carries one eye only. This applies to:

  • Planar stereo screen (with passive glasses, linear polarization)
  • Dual Projection (with passive glasses, linear or circular polarization)
  • L/R side by side setups using 2 displays


Basic 2x DVI Setup: nVidia OpenGL Stereo

Requirements:

  • FrameCycler or SpeedGrade application (except SpeedGrade OnSet)
  • Windows XP32 / XP64
  • nVidia QuadroFX 5800
  • certified driver for OpenGL Stereo


This setup allows you to send left and right image to 2 separate DVI outputs. The user interface will appear on the stereo output on both eyes. To enable OpenGL Stereo acces the nVidia control panel, set both displays to nVidia clone mode. Then change the following settings under "3D Performance Settings":

  • OpenGL Stereo: ON
  • Tripple Buffering: ON


Restart the machine after making these changes. Then open the settings in FrameCycler or SpeedGrade (push "S"), choose Display. Select "Shutter Glasses" from the stereo pull-down menu. Restart the application.


Advanced 2x DVI Setup: nVidia QuadroFX Dual SDI plus BlackMagic HDLink Pro

Requirements:

  • FrameCycler DDS, FrameCycler DI, SpeedGrade XR or SpeedGrade DI
  • WIndows XP32/ XP 64
  • nVidia QuadroFX 5800 SDI
  • certified driver for QuadroFX SDI
  • 2 BlackMagic HDLink Pro


This setup allows for having discrete left and right channel output while preserving one screen for GUI only. This setup is recommended if the main purpose for the setup requires interactive work (such as adjusting the stereoscopy, stereo grading). To enable this setup follow these steps:

  • Make sure the SDI output is not activated by another application and not used to mirror your desktop
  • Connect the nVidia SDI with one BNC cable per channel to the HDLink Pros
  • Connect each HDLink via DVI to your Planar display or your 2 projectors
  • Open the settings in FrameCycler or SpeedGrade, select SDI/Dual DVI, choose the correct resolution and refeesh frequency. In the pull-down below, choose Dual 4:2.2.
  • Click the "Enable" checkbox and restart the application.
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