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== Stereo on TFT monitors ==
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== Hardware ==
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=== Zalman Stereo ===
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has its own [[Zalman Stereo|article]].
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=== Nvidia 3D Vision 2 ===
 
=== Nvidia 3D Vision 2 ===
 
# '''3D Vision Pro''' is ''not'' what you want, this seems to be for projectors, and is expensive.
 
# '''3D Vision Pro''' is ''not'' what you want, this seems to be for projectors, and is expensive.
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# cheap Quadro cards with dual-link DVI-D or DisplayPort work well. Quadro 380, 400, 420 and 600 have been reported to work on CCP4BB. Make sure the card can do dual-link DVI if your monitor has only DVI input. Any card (including the "Windows only" ones!) listed at http://www.nvidia.com/object/3d-vision-pro-requirements.html#Quadro should work if a) it can do dual-link DVI if the monitor has only DVI input, and b) if the monitor has built-in emitter. DisplayPort is fine with the BenQ XL2420TX.
 
# cheap Quadro cards with dual-link DVI-D or DisplayPort work well. Quadro 380, 400, 420 and 600 have been reported to work on CCP4BB. Make sure the card can do dual-link DVI if your monitor has only DVI input. Any card (including the "Windows only" ones!) listed at http://www.nvidia.com/object/3d-vision-pro-requirements.html#Quadro should work if a) it can do dual-link DVI if the monitor has only DVI input, and b) if the monitor has built-in emitter. DisplayPort is fine with the BenQ XL2420TX.
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== Status January 2015 ==
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== Software ==
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[[Zalman Stereo]] is supported by [[Coot]]; no drivers or other software must be installed.
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Using NVidia's 346.35 driver on RHEL/CentOS/SL 7, I changed /etc/X11/xorg.conf (see http://us.download.nvidia.com/XFree86/Linux-x86_64/346.35/README/xconfigoptions.html) to have  
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NVidia 3D Vision 2: Using NVidia's 346.35 driver on RHEL/CentOS/SL 7, I changed /etc/X11/xorg.conf (see http://us.download.nvidia.com/XFree86/Linux-x86_64/346.35/README/xconfigoptions.html) to have  
 
     Section "Device"
 
     Section "Device"
 
       Driver      "nvidia"
 
       Driver      "nvidia"
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       Driver      "nvidia"
 
       Driver      "nvidia"
 
       Option      "Stereo" "3"
 
       Option      "Stereo" "3"
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    End Section
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For an example of how to configure xorg.conf, see old versions of this article.
 
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Sometimes it is handy to configure two Desktops: one on a CRT monitor that can do stereo-graphics, and one on an LCD monitor for the more regular work, eg your refinement jobs with CCP4. For Nvidia cards you need to modify the xorg.conf file to have a section more or less like that:
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<code>
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Section "Monitor"
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    Identifier    "Monitor0"
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    VendorName    "Iiyama"
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    ModelName      "Vision Master Pro 512"
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    DisplaySize    450      330
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    HorizSync      31.5 - 120.0
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    VertRefresh    50.0 - 150.0
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    Option        "dpms"
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EndSection
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Section "Monitor"
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    Identifier    "Monitor1"
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    VendorName    "Philips"
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    ModelName      "150B"
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EndSection
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Section "Device"
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    Identifier    "Videocard0"
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    Driver        "nvidia"
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    VendorName    "Videocard vendor"
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    BoardName      "NVIDIA Quadro FX (generic)"
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    BusId          "PCI:1:0:0"
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    Screen        0
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EndSection
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Section "Device"
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    Identifier    "Videocard1"
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    Driver        "nvidia"
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    VendorName    "Videocard vendor"
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    BoardName      "NVIDIA Quadro FX (generic)"
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    Option        "Stereo" "3"
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    BusId          "PCI:1:0:0"
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    Screen        1
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EndSection
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Section "Screen"
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    Identifier    "Screen0"
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    Device        "Videocard0"
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    Monitor        "Monitor0"
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    DefaultDepth    24
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    SubSection    "Display"
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        Viewport    0 0
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        Depth      24
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        Modes      "1024x768" "800x600"
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    EndSubSection
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EndSection
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Section "Screen"
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    Identifier    "Screen1"
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    Device        "Videocard1"
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    Monitor        "Monitor1"
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    DefaultDepth    24
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    SubSection    "Display"
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        Viewport    0 0
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        Depth      24
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        Modes      "1600x1280" "1280x1024" "1024x768" "800x600"
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</code>
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Note that one can think this is rather silly to define two card, two monitors, two cards, and two screens.
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However, that the only way I know that one monitor can be stereo-enabled and the other one not.
      
==See also==
 
==See also==
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