HP SVA V1.1 Patch Kit 3 Readme/Release Notes
3 Using Patch Kit 2 Features
The information in this chapter supplements the SVA System Administration Guide, the SVA User's
Guide, and the SVA VSS Reference Guide.
3.1 Stereo Imaging on Display Devices
In order to display stereo images on an SVA, you need to use SVA launch scripts to run your
stereo-compliant application on a Display Surface that is properly configured for stereo.
Configuring SVA for stereo is a system administration task and is detailed in Section 3.1.2. There
are also some stereo functions of the SVA that are of interest to end users. These are described
in Section 3.1.1. Sections for system administrator and end users are labeled for easy identification.
CAUTION: The stereo capabilities provided in Patch Kit 2 best support a single class of mono
display devices and a single class of stereo display devices on the cluster. A class of display
devices is defined by the properties of the display, such as refresh rate and resolution.
A system administrator can configure the SVA to support a range of display properties. However,
you must exercise care in configuring two stereo displays that differ widely in their properties
or two mono displays that differ widely in their properties. Such display devices are unlikely to
share the same cluster display configuration values. If you inadvertently use a display device
with the wrong configuration (for example, with the Display Surface configured for a different
display), you might damage your display device.
Having a mono display and a stereo display that differ widely from each other is not a problem.
In general, desktop class, mono monitors (such as flat panels) work with the default configuration
values provided by SVA when delivered from HP. No configuration is needed for these devices.
Atypical mono and most stereo displays need additional configuration by the system
administrator.
3.1.1 End User Tasks: Access Stereo Displays
Once SVA and the Display Surfaces are properly set up for stereo by the system administrator,
end users should be able to launch a stereo application in much the same way as a mono
application. If you want to understand the underlying details of how SVA is configured for
stereo, see Section 3.1.2.
There are several key steps needed to view stereo images:
• Use the SVA launch scripts.
• Designate in the launch script a Display Surface previously configured by your system
administrator as stereo-capable.
• Designate in the launch script the --stereo option, which makes use of the stereo capabilities
of the Display Surface. If you use the launch script without the --stereo option, only mono
capabilities of the Display Surface are used.
For example, the following command uses a launch script with a Display Surface previously
defined as stereo-capable by the system administrator. The system administrator has already
specified the mode characteristics of the stereo display using the Display Surface Configuration
tool.
% sva_chromium_dmx.sh -d STEREO_DISPLAY_1 --stereo "/usr/X11R6/lib/xscreensaver/atlantis"
The following command uses a launch script with the same Display Surface as a mono device:
% sva_chromium_dmx.sh -d STEREO_DISPLAY_1 "/usr/X11R6/lib/xscreensaver/atlantis"
3.1 Stereo Imaging on Display Devices 23