DCInstructions

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

dwall-0-3.0	dwall-0-3.1	dwall-1-3.0	dwall-1-3.1	dwall-2-3.0	dwall-2-3.1
dwall-0-2.0	dwall-0-2.1	dwall-1-2.0	dwall-1-2.1	dwall-2-2.0	dwall-2-2.1
dwall-0-1.0	dwall-0-1.1	dwall-1-1.0	dwall-1-1.1	dwall-2-1.0	dwall-2-1.1
dwall-0-0.0	dwall-0-0.1	dwall-1-0.0	dwall-1-0.1	dwall-2-0.0	dwall-2-0.1

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