    /*
     ************************************************************************
     *
     * Java 3D configuration file for dual-screen (flat) desktop configuration
     * with no head tracking.
     *
     ************************************************************************
     */

    // Create new screen objects and associate them with logical names and numbers.
    // These numbers are used as indices to retrieve the AWT GraphicsDevice from
    // the array that GraphicsEnvironment.getScreenDevices() returns.
    //
    // NOTE: The GraphicsDevice order in the array is specific to the local
    // site and display system.
    //
    (NewScreen left  0)
    (NewScreen right 1)

    // Set the screen dimensions.
    //
    (ScreenProperty left  PhysicalScreenWidth  0.360)
    (ScreenProperty left  PhysicalScreenHeight 0.288)

    (ScreenProperty right PhysicalScreenWidth  0.360)
    (ScreenProperty right PhysicalScreenHeight 0.288)

    // Specify full screen windows.
    //
    (ScreenProperty left  WindowSize NoBorderFullScreen)
    (ScreenProperty right WindowSize NoBorderFullScreen)

    // Set the TrackerBaseToImagePlate transforms for these screens.  This
    // transforms points in tracker base coordinates to each screen's image plate
    // coordinates, where the origin of the image plate is defined to be the lower
    // left corner of the screen with X increasing to the right, Y increasing to
    // the top, and Z increasing away from the screen.
    //
    // Without head or sensor tracking the tracker base is still needed as a fixed
    // frame of reference for describing the orientation and position of each
    // screen to the others.  The coexistence to tracker base transform is set to
    // identity by default, so the tracker base origin and orientation will also
    // set the origin and orientation of coexistence coordinates in the physical
    // world.
    //
    // The tracker base and center of coexistence is set here to the middle of the
    // edge shared by the two screens.
    //
    (ScreenProperty left  TrackerBaseToImagePlate
                           (Translate 0.360 0.144 0.0))
    (ScreenProperty right TrackerBaseToImagePlate
                           (Translate 0.000 0.144 0.0))

    // Sometimes it is desirable to include the bevels in between the monitors in
    // the TrackerBaseToImagePlate transforms, so that the abutting bevels obscure
    // the view of the virtual world instead of stretching it out between the
    // monitors.  For a bevel width of 4.5 cm on each monitor, the above commands
    // would become the following:
    //
    // (ScreenProperty left  TrackerBaseToImagePlate
    //                        (Translate  0.405 0.144 0.0))
    // (ScreenProperty right TrackerBaseToImagePlate
    //                        (Translate -0.045 0.144 0.0))
    //
    // Conversely, a similar technique may be used to include overlap between the
    // screens.  This is useful for projection systems which use edge blending
    // to provide seamless integration between screens.

    // Create a view using the defined screens.
    //
    (NewView view0)
    (ViewProperty view0 Screen left)
    (ViewProperty view0 Screen right)

    // Set the eyepoint relative to coexistence coordinates.  Here it is set 45cm
    // toward the user along Z, extending out from the midpoint of the edge shared
    // by the two screens.  This will create the appropriate skewed projection
    // frustums for each image plate.
    //
    // If a planar display surface is all that is required, the same effect could
    // be achieved in a virtual screen enviroment such as Xinerama by simply
    // creating a canvas that spans both screens.  In some display environments the
    // use of a canvas that spans multiple physical screens may cause significant
    // performance degradation, however.
    //
    // See j3d1x2-rot30 for an example of a non-planar configuration that cannot be
    // achieved through a single canvas spanning both screens.
    //
    (ViewProperty view0 CenterEyeInCoexistence (0.0 0.0 0.45))

    (NewViewPlatform vp)
    (ViewPlatformProperty vp AllowPolicyRead true)
    (ViewPlatformProperty vp AllowLocalToVworldRead true)

    (ViewProperty view0 ViewPlatform vp)