Revision as of 16:23, 6 December 2014

DWall Instructions

The following instructions are for running CalVR with the Future Patient demonstration on the 6x4 tiled display wall in the SME Building's WAVE lab.

Display Mapping

Turn Displays On/Off

• Log in to head node (67.58.52.98=dwallhead) as user calvr.
• In terminal window type "wall_on" on, "wall_off" for off.

Run Future Patient Demo

• VRPN is needed to support the Gyromouse to control the green mouse cursor on the wall.
  • Make sure VRPN is running:
  • cd ~calvr
  • ./vrpn stop
  • ./vrpn start
  • VRPN needs to report "Init good."
• Make sure FuturePatient plugin is on in config file (~calvr/CalVR/config/dwall.xml)
• Run CalVR:
  • CalVR

Other Commands

• To use separate displays for x server: "sudo clustersep"
• To set x server in Twinview mode: "sudo clustertwin"
• To reboot display cluster: "sudo clusterreboot"
• To shut down display cluster: "sudo tentakel shutdown -h now"

Display Node xorg.conf

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 580"
    BusID          "PCI:4:0:0"
    Screen          0
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 580"
    BusID          "PCI:4:0:0"
    Screen          1
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "metamodes" "DFP-0: 1920x1080 +0+0; DFP-0: nvidia-auto-select
 +0+0; DFP-0: nvidia-auto-select +0+0; DFP-0: 1920x1080_50 +0+0; DFP-0: 1920x108
0_60i +0+0; DFP-0: 1920x1080_50i +0+0; DFP-0: 1680x1050 +0+0; DFP-0: 1440x900 +0
+0; DFP-0: 1400x1050 +0+0; DFP-0: 1280x1024 +0+0; DFP-0: 1280x1024_60 +0+0; DFP-
0: 1280x960 +0+0; DFP-0: 1280x800 +0+0; DFP-0: 1280x720 +0+0; DFP-0: 1280x720_50
 +0+0; DFP-0: 1024x768 +0+0; DFP-0: 800x600 +0+0; DFP-0: 640x480 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Device1"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "metamodes" "DFP-2: 1920x1080 +0+0; DFP-2: 1920x1080 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

CalVR Config File

• Main config file is ~calvr/CalVR/config/dwall.xml
  • This file includes dwall-screens-1920.xml
• Display node configuration (example for dwall-0-0):

  <LOCAL host="dwall-0-0.local" >
    <NumPipes value="2" />
    <NumScreens value="2" />
    <NumWindows value="2" />

    <PipeConfig>
      <Pipe server="0" screen="0" name="0" />
      <Pipe server="0" screen="1" name="1" />
    </PipeConfig>

    <ChannelConfig>
      <Channel width="1920" height="1080" left="0" bottom="0" comment="MAIN" stereoMode="MONO"  windowIndex="0"  name="0"  />
      <Channel width="1920" height="1080" left="0" bottom="0" comment="MAIN" stereoMode="MONO"  windowIndex="1"  name="1"  />
    </ChannelConfig>

    <WindowConfig>
      <Window width="1920" comment="FRONT" pipeIndex="0" height="1080" left="0" bottom="0" name="0" decoration="false" />
      <Window width="1920" comment="FRONT" pipeIndex="1" height="1080" left="0" bottom="0" name="1" decoration="false" />
    </WindowConfig>

    <ScreenConfig>
      <Screen width="1019" comment="FRONT" h="0.0" originX="-2568" originY="0" originZ="-864" height="568" p="0.0" r="0.0" name="0" />
      <Screen width="1019" comment="FRONT" h="0.0" originX="-1541" originY="0" originZ="-864" height="568" p="0.0" r="0.0" name="1" />
    </ScreenConfig>
  </LOCAL>