HP Hewlett Packard Projector sv6 User Manual

insta lla tion a nd use r’s g uid e  
hp visua liza tion c e nte r sv6  
Ma n u fa ctu r in g Pa r t Nu m ber : A6062-90005  
Ed ition : E0302  
Printed in U.S.A  
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tra d e m a rk notic e s. UNIX is a registered trademark in the United States and  
other countries, licensed exclusively through X/Open Company Limited.  
X Window System is a trademark of the Massachusetts Institute of Technology.  
p rinting history  
The manual printing date and part number indicate its current edition. The  
printing date will change when a new edition is printed. Minor changes may be  
made at reprint without changing the printing date. The manual part number  
will change when extensive changes are made.  
Manual updates may be issued between editions to correct errors or document  
product changes. To ensure that you receive the updated or new editions, you  
should subscribe to the appropriate product support service. See your HP sales  
representative for details.  
First Edition: March 2002  
Printing Division:  
Hewlett-Packard Co.  
Technical Computer Division  
3404 E. Harmony Rd.  
Fort Collins, CO 80525  
hp p rod uc t wa rra nty sta te m e nt  
NOTE  
This warranty statement supersedes any and all previous HP-UX  
workstation warranty statements for the Hewlett-Packard workstations  
specified herein. The Parts-Only Base Warranty is offered only in the  
U.S.; for country-specific warranties, contact your HP Country Sales  
Representative. The information contained in this document is subject to  
change without notice. For warranty information on the other  
components of the hp visualization center sv6 system, see the warranty  
documentation that accompanies those components.  
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HP P RODUCT:  
DURATION OF WARRANTY:  
hp workstations j6000, j6700 and b2600  
1 Year  
1. HP warrants HP hardware, accessories and supplies against defects in  
materials and workmanship for the period specified above. If HP receives  
notice of such defects during the warranty period, HP will, at its option,  
either repair or replace products which prove to be defective. Replacement  
products may be either new or like-new.  
2. HP warrants that HP software will not fail to execute its programming  
instructions, for the period specified above, due to defects in material and  
workmanship when properly installed and used. If HP receives notice of  
such defects during the warranty period, HP will replace the software  
medium which does not execute its programming instructions due to such  
defects.  
3. HP does not warrant that the operation of HP products will be uninterrupted  
or error free. If HP is unable, within a reasonable time, to repair or replace  
any product to a condition as warranted, the customer will be entitled to a  
refund of the purchase price upon prompt return of the product.  
4. HP products may contain remanufactured parts equivalent to new in  
performance or may have been subject to incidental use.  
5. The warranty period begins on the date of delivery or on the date of  
installation if installed by HP. If customer schedules installation or causes  
installation by HP to be delayed more than 30 days after delivery, warranty  
begins on the 31st day from delivery.  
6. Warranty does not apply to defects resulting from (a) improper or inadequate  
maintenance or calibration, (b) software, interfacing, parts or supplies not  
supplied by HP, (c) unauthorized modification or misuse, (d) operation  
outside of the published environmental specifications for the product, or (e)  
improper site preparation or maintenance.  
7. TO THE EXTENT ALLOWED BY LOCAL LAW, THE ABOVE  
WARRANTIES ARE EXCLUSIVE AND NO OTHER WARRANTY OR  
CONDITION, WHETHER WRITTEN OR ORAL, IS EXPRESSED OR  
IMPLIED AND HP SPECIFICALLY DISCLAIMS ANY IMPLIED  
WARRANTIES OR CONDITIONS OF MERCHANTABILITY,  
SATISFACTORY QUALITY, AND FITNESS FOR A PARTICULAR  
PURPOSE.  
8. HP will be liable for damage to tangible property per incident up to the  
greater of $300,000 or the actual amount paid for the product that is the  
subject of the claim, and for damages for bodily injury or death, to the extent  
that all such damages are determined by a court of competent jurisdiction to  
have been directly caused by a defective HP product.  
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9. TO THE EXTENT ALLOWED BY LOCAL LAW, THE REMEDIES IN THIS  
WARRANTY STATEMENT ARE CUSTOMERS’ SOLE AND EXCLUSIVE  
REMEDIES. EXCEPT AS INDICATED ABOVE, IN NO EVENT WILL HP  
OR ITS SUPPLIERS BE LIABLE FOR LOSS OF DATA OR FOR DIRECT,  
SPECIAL, INCIDENTAL, CONSEQUENTIAL (INCLUDING LOST  
PROFIT OR DATA), OR OTHER DAMAGE, WHETHER BASED IN  
CONTRACT, TORT, OR OTHERWISE.  
FOR CONSUMER TRANSACTIONS IN AUSTRALIA AND NEW  
ZEALAND: THE WARRANTY TERMS CONTAINED IN THIS  
STATEMENT, EXCEPT TO THE EXTENT LAWFULLY PERMITTED, DO  
NOT EXCLUDE, RESTRICT OR MODIFY AND ARE IN ADDITION TO  
THE MANDATORY STATUTORY RIGHTS APPLICABLE TO THE SALE  
OF THIS PRODUCT TO YOU.  
for a d d itiona l inform a tion  
There are several sources of hp visualization center sv6 documentation  
that were either shipped with your system or are available at various  
Web sites:  
hp visualization center sv6 Site Preparation Guide (HP Part No.  
A6062-90006)  
hp visualization center sv6 Troubleshooting Guide (available on  
http://www.hp.com/go/workstationsupport Web site)  
hp visualization center sv6 Recovery Instructions CD Booklet (HP  
Part No. A6062-90010 included in the Recovery CD jewel case)  
hp ProCurve Switch Users Guide  
hp 10/100 ProCurve (J 4813A)  
hp ProCurve Switch 4108gl (J 4865A)  
Digi EtherLite-32 terminal Server documentation (CD instructions  
or http://www.digi.com).  
For further information, refer to these Web pages:  
HP immersive environments page:  
http://www.hp.com/go/immersive/index.html  
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User Guides for hp workstations:  
http://www.hp.com/go/workstationsupport/documentation/manuals  
/user_guides  
NOTE  
Every effort was made to make sure this information was complete at the  
time it was printed. However, additional information and  
troubleshooting tips may have become available after this guide was  
printed. For the very latest information, please visit the  
http://www.hp.com/go/workstationsupport Web site.  
vie wing d oc um e nta tion on the re c ove ry CD  
All hp visualization center sv6 documentation is also included on the hp  
visualization center sv6 Installation/ Recovery CD that is shipped with  
your system.To view these documents:  
1. Mount the CD by executing:  
mount /dev/dsk/c0t0d0 /cdrom  
2. Make sure the directory for your Adobe Acrobat Reader is in your  
PATH:  
export PATH=$PATH:/opt/Acrobat4/bin  
3. The following hp visualization center sv6 documentation is available:  
sv6SitePrepGuide.pdf  
sv6InstUsersGuide.pdf  
sv6TroubleShootGuide.pdf  
4. To view the files:  
acroread /cdrom/<filename.pdf>  
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Con ten ts  
how to obtain support for your sv6 system. . . . . . . . . . . . . . . . . . . . . . . .12  
metallic particulate contamination . . . . . . . . . . . . . . . . . . . . . . . . . . . .17  
software configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34  
installation process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36  
installing to all sv6 systems using HP Software Distributor . . . . . . .50  
step 1: preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51  
step 2: copy and register locally. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52  
step3: install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53  
step 4: verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54  
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Con ten ts  
additional X server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55  
how to use hp visualization center sv6 tools. . . . . . . . . . . . . . . . . . . . . . 65  
stereoscopic viewing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74  
changing to stereo monitor mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76  
pass through mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82  
4. p r ojector ca libr a tion ta r gets  
compositor parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101  
compositor configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102  
sv6 compositor frame delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103  
compositor self-test sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105  
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Con ten ts  
interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105  
testing controller cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106  
mini-sv6 configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108  
C. r egu la tor y in for m a tion  
FCC radio frequency interference statement  
(USA only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113  
glossa r y  
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Con ten ts  
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1
sa fe ty a nd sup p ort inform a tion  
Proper site preparation and maintenance are vital to the reliability of  
any computer hardware component. In order for HP to provide you with  
quality service, please ensure that the proper computer room conditions  
are maintained. This allows HP to provide support services in  
Chapter 1  
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safety and support information  
how to obtain support for your sv6 system  
accordance with your Customer Support Services Agreement.  
For your protection, HP products are tested for conformance to various  
national and international regulations and standards. The scope of this  
regulatory testing includes electrical and mechanical safety,  
electromagnetic emissions, electromagnetic immunity, ESD (electrostatic  
discharge), acoustics, and hazardous materials. Where required,  
certifications are obtained from third-party test agencies. Certification  
marks appear on the product label. In addition, various regulatory  
bodies require information to appear in User Manuals.  
how to ob ta in sup p ort for your sv6 syste m  
If you know you have a hardware problem:  
1. Retrieve the model number and serial number of the failed  
hardware.  
2. Call the HP Customer Care Center for your region, country or  
province. These numbers can be found at: http://www.hp.com under  
Technical Support. For example, use 1-800-633-3600 for North  
America.  
3. When you reach the appropriate Customer Care Center, you will  
have several options. Press 1 for Hardware Support.  
4. For warranty verification and to help track your call, you will be  
asked to provide the model number and serial number for the failed  
hardware (see Step 1 above).  
5. If the HP Call Agent cannot resolve your problem, then tell the Call  
Agent that the failed or problematic hardware is part of an hp sv6  
scalable visualization system. Your call will be re-directed to an hp  
sv6 expert who is trained to provide solution-level assistance.  
If you have a software problem or don't know the source of the problem:  
1. Retrieve the software handle” (a unique support identifier) that was  
provided with the hp sv6 system at installation.  
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safety and support information  
how to obtain support for your sv6 system  
2. Call the HP Customer Care Center for your region, country or  
province. These numbers can be found at: http://www.hp.com under  
Technical Support. For example, use 1-800-633-3600 for North  
America.  
3. When you reach the appropriate Customer Care Center, you will  
have several options. Press 2 for Software Support.  
4. For call tracking purposes, you will be asked to provide the HP Call  
Agent with your software handle” (see Step 1 above).  
5. Tell the Call Agent that you have an hp sv6 scalable visualization  
system. The Call Agent will re-direct your call to an hp sv6 expert  
who is trained to provide assistance with your system  
Chapter 1  
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safety and support information  
safety warnings  
sa fe ty wa rning s  
WARNING  
An h p visu a liza tion sv6 p r od u ct r a ck ca n w eigh 1500 lbs. (681 k g)  
w h en fu lly loa d ed w ith h a r d w a r e com p on en ts. Heed a ll of th e  
con d ition s in th e WARNING sta tem en t u n d er th e RACK  
STABILITY su bsection below w h en m ovin g a n d ser vicin g a n HP  
p r od u ct r a ck a n d its r a ck -m ou n ted h a r d w a r e com p on en ts.  
WARNING  
You r h p visu a liza tion cen ter sv6 p r od u ct m a y n ot h a ve been  
eva lu a ted for con n ection to a n IT p ow er system (a n AC  
d istr ibu tion system h a vin g a h igh im p ed a n ce con n ection to  
ea r th a ccor d in g to IEC 950).  
ra c k sta b ility  
WARNING  
To r ed u ce th e r isk of r a ck in sta bility:  
In sta ll th e h ea vier h a r d w a r e com p on en ts a t th e bottom of th e  
r a ck , below th e cen ter of gr a vity for th e r a ck . Never in sta ll  
h ea vier com p on en ts in th e top or u p p er p or tion of th e r a ck .  
Ma k e su r e th a t th e a n ti-tip p la te is in sta lled on th e r a ck . Do  
n ot r em ove th e a n ti-tip foot fr om th e r a ck .  
Alwa ys exten d th e a n ti-tip p la te befor e exten d in g a  
r a ck -m ou n ted com p on en t for ser vicin g.  
Exten d on ly on e r a ck -m ou n ted com p on en t a t a tim e.  
Do n ot sta n d or sit on a n y exten d ed com p on en t.  
Ha ve a ll n on -op er a tor ser vicin g d on e by qu a lified HP ser vice  
p er son n el.  
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safety and support information  
safety warnings  
p owe r d istrib ution units (PDUs)  
A Power Distribution Unit (PDU) is equipment located in or near a  
computer room which breaks down electric power from a high-voltage  
source to appropriate levels of distribution to the central processing unit  
and peripheral devices of a computer system. Figure 1-1 shows an  
example PDU that is used with the HP product racks. This example is  
the HP E7674A 16 Amp 100-240VAC PDU (part number A5137AZ).  
CAUTION  
Some components have been designed to be used with specific electrical  
accessories such as PDUs. The use of any accessory other than those  
specified is neither recommended nor supported.  
Figu r e 1-1  
A Sa m p le Pow er Distr ibu tion Un it (P DU)  
Qty=7  
IEC320-C13  
IEC320-C19  
Modular PDU  
C20 Inlet  
Chapter 1  
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safety warnings  
Figu r e 1-2  
Ca ble a n d P lu gs Betw een th e P DU a n d th e Wa ll Recep ta cle  
IEC309  
L6-20P  
L6-30P  
IEC-320-C19  
CEE7/7  
Unterminated  
PDU le a ka g e c urre nt  
WARNING  
Du e to th e n u m ber of com p on en ts th a t ca n be in sta lled on on e  
Pow er Distr ibu tion Un it (P DU), th er e m a y be a r isk of h igh  
lea k a ge cu r r en t (>3.5m A). Relia ble gr ou n d cir cu it con tin u ity is  
vita l for sa fe op er a tion of su ch com p on en ts. To r ed u ce th e r isk of  
electr ic sh ock , con n ect ea ch com p on en t to a gr ou n d ed ou tlet  
on ly. Never op er a te a n y com p on en t w ith its gr ou n d p in  
d iscon n ected fr om th e sock et of a gr ou n d ed ou tlet.  
16  
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safety and support information  
safety warnings  
PDU p owe r lim ita tions  
To reduce the risk of overload, do not exceed the rated load of any single  
PDU. In addition, do not load a single NEMA 5-15 (see Fig. 1-3)  
receptacle with more than 15 Amperes and any single IEC 320-1/C13  
receptacle with more than 10 Amperes. In general, make sure that the  
power source circuits are able to safely provide the current that will be  
required by all components drawing power from them. This document  
assumes that 220V and 240V cables are used.  
NEMA 5-15 Recep ta cle  
Do not load this  
connector with  
more than 15 Amps  
m e ta llic p a rtic ula te c onta m ina tion  
Metallic particulates can be especially harmful around electronic  
equipment. This type of contamination may enter the data center  
environment from a variety of sources, including, but not limited to,  
raised floor tiles, worn air conditioning parts, heating ducts, rotor  
brushes in vacuum cleaners or printer component wear. Because metallic  
particulates conduct electricity, they have an increased potential for  
creating short circuits in electronic equipment. This problem is  
exaggerated by the increasingly dense circuitry of electronic equipment.  
Over time, very fine whiskers of pure metal can form on electroplated  
zinc, cadmium, or tin surfaces. If these whiskers are disturbed, they may  
break off and become airborne, possibly causing failures or operational  
interruptions. For over 50 years, the electronics industry has been aware  
of the relatively rare, but possible, threat posed by metallic particulate  
contamination. During recent years, a growing concern has developed in  
computer rooms where these conductive contaminants are formed on the  
bottom of some raised floor tiles.  
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safety and support information  
safety warnings  
Although this problem is relatively rare, it may be an issue within your  
computer room. Since metallic contamination can cause permanent or  
intermittent failures on your electronic equipment, Hewlett-Packard  
strongly recommends that your site be evaluated for metallic particulate  
contamination before installation of electronic equipment.  
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2
insta lla tion a nd use r inform a tion  
Chapter 2  
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installation and user information  
document purpose  
d oc um e nt p urp ose  
The purpose of this document is to provide information on installing,  
customizing and using hp visualization center sv6 systems. Because the  
workstations will arrive racked, pre-cabled and pre-configured, minimal  
information about hardware setup is included in this document. Sections  
of this document provide steps for setting up and configuring systems.  
There are also sections that provide instructions on how to use hp  
visualization center sv6-specific tools. Refer to the Glossary for  
definitions of terms used in this document.  
See the following documents for additional information:  
hp visualization center sv6 Site Prep Guide for cooling, space and  
power requirements, etc.  
hp visualization center sv6 Troubleshooting Guide - see  
http://www.hp.com/go/workstationsupport for tips on how to resolve  
problems you may encounter during the initial setup and  
customization.  
hp disk system ds2100 - see  
http://www.hp.com/products1/storage/disk_arrays/disksystems/ds  
2100/supplies/index.html  
/etc/X11/X0screensfor X server configuration details or  
/usr/lib/X11/Xserver/misc/slsd/templates/for hp  
visualization center sv6 X0screens templates.  
/usr/lib/X11/Xserver/info/screens/hpfor non- hp  
visualization center sv6 X server configuration details.  
/opt/graphics/OpenGL/sv/doc/README.*for details about hp  
visualization center sv6 tools.  
se c tion d e sc rip tions  
P r od u ct Over view - Provides a general hardware and software  
architecture overview.  
In sta lla tion - Steps that the hp visualization center sv6 installer  
will help you accomplish.  
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installation and user information  
document purpose  
Softw a r e Set-Up Sp ecifica tion s - Reference for the software that  
was pre-loaded on your system.  
Up d a tin g Softw a r e - Explains how and when to do software and  
firmware updates. Keeping your graphics patches updated is  
essential for taking full advantage of this new technology.  
Ad va n ced Set-Up for Mu ltip le Ch a n n els - Gives an overview of  
how to use multiple hp visualization center sv6 clusters to output  
across multiple display devices. This is a reference for anyone who  
wants to upgrade to multiple channels.  
Usa ge - General instructions on how to do typical tasks. Although  
you can run applications on the hp visualization center sv6 the same  
way you would on any HP-UX workstation, there are a few hp  
visualization center sv6-specific tasks that can be performed.  
How To Use h p visu a liza tion cen ter sv6 Tools - Reference for hp  
visualization center sv6-specific tools.  
Ster eoscop ic View in g - Describes both active and passive stereo  
options and how to enable them.  
Op tim iza tion - Suggests methods for optimizing both rendering  
performance and image quality for your application or data sets.  
Chapter 2  
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installation and user information  
product overview  
p rod uc t ove rvie w  
The hp visualization center sv6 solution is a system developed to meet  
your visualization performance and image quality needs. The key  
attributes that make this system unique from existing scalable solutions  
include:  
scalable rendering performance, image quality and resolution,  
resources can be dynamically switched between performance and  
image quality,  
use of standard SPU and graphics components.  
The hp visualization center sv6 provides the following benefits:  
Applications that currently run on standalone hp visualization  
center systems today can also run unmodified on hp visualization  
center sv6 systems and immediately take advantage of the scaling  
and image quality improvements.  
The use of standard components with the ability to add, re-deploy or  
upgrade these components provides significant investment  
protection.  
The individual workstations of the scalable system can be used as  
computational resources when not being used for visualization.  
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installation and user information  
product overview  
Figu r e 2-1  
h p visu a liza tion cen ter s sv6 (j6700) a n d m in i-sv6 (b2600)  
The hp visualization center sv6 is:  
A scalable solution for OpenGL display list-based applications that  
provides geometry acceleration of aliased rendering that is greater  
than stand-alone hp workstation performance.  
A solution that offers increased visual quality via anti-aliasing at  
stand-alone hp workstation performance rates, or better.  
A solution that is scalable in any combination of performance, visual  
quality or screen resolution; limited only by supported  
configurations.  
A solution that is transparent to the application.  
A solution that involves multiple standard graphics pipelines  
rendering a common model with a single view frustum.  
An OpenGL HP-UX 11.0 based solution only.  
hp visualization center sv6 employs a parallel rendering architecture. It  
uses dedicated accelerators for rendering portions of a given screen. The  
resulting renderings (called screen rectangles) are synchronized and  
displayed as a single image through additional hardware.  
hp visualization center sv6 is based on a client/server architecture called  
Distributed Single Logical Screen (SLS/d). This technology transparently  
manages multiple clients that render portions of a given screen. Each hp  
Chapter 2  
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installation and user information  
product overview  
visualization center hp visualization center sv6 cluster is made up of one  
2D master node and a supported number of 3D slave nodes. The 2D node  
is responsible for rendering the GUI and X11 rendering primitives. The  
3D slave nodes, also called pipes,” are responsible for rendering all or  
some part of the 3D scene. The video output from each node is then  
combined, or composited, to a single monitor.  
To obtain multiple channels of output, multiple clusters can be used. A  
“channel” refers to one output device, typically a monitor. This allows for  
more screen real estate” (two or three displays) by using multiple hp  
visualization center sv6 clusters.  
hp visua liza tion c e nte r sv6 c om p one nts  
A cluster of racked, graphics-enabled hp workstations j6000  
(A5990A), j6700 (A7278B) or b2600 (A6070A).  
Scalable Visualization Digital Compositor (A6061A).  
Private, High-Speed Gigabit Network - hp ProCurve switch 4108gl  
(J 41865A).  
hp ProCurve 10/100 Base-T 2524 switch (J 4813A) for LAN  
connection.  
Digi EtherLite-32 Terminal Server (DGZ1469C).  
EasySetup HP-UX 11.0 operating system (B5532A).  
Scalable Visualization-enabled software (X Server, OpenGL,  
3DCommon, etc.).  
Customized Configuration Files (see Chapter 3).  
Figure 2-2 is an example of a 16-pipe system that shows the hardware  
components.  
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Figu r e 2-2  
16-p ip e system con figu r a tion  
NOTE  
Arrangement of the hardware in the racks may vary.  
The 2D master system controls the rendering that happens on the 3D  
pipes. The output of each pipe is then fed into hardware called the  
Digital Compositor. The Compositor combines the inputs into a single  
output stream to the display. A local high-speed Gigabit Ethernet switch  
(hp ProCurve Switch) which connects the systems.  
The Digi EtherLite-32 terminal server (D GZ1469C) is a low-cost option  
for consolidating consoles. Each Digi switch provides remote access for  
up to 32 systems. The Digi EtherLite driver runs on the master system.  
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product overview  
This driver communicates with the EtherLite-32 and makes the Digi  
switchs serial connections appear as though they were direct serial  
connections to the master system. Thus, the master node communicates  
with the slave node via a serial port communications program, such as cu  
on HP-UX or the dinc program supplied with the Digi switch.  
Examples for accessing save node #2:  
cu -l/dev/ttyn01 -s 9600  
/usr/local/bin/dinc /dev/digi/sv2  
The Digi EtherLite-32 has its own IP address and is connected to the  
10/100 hub. RJ 45 ports are connected to serial port 1 of each slave node  
via an RS-232 adapter.  
Figu r e 2-3  
Sin gle Disp la y Ch a n n el  
Each workstation has one graphics card. The master workstation does  
2D rendering and the rest of the workstations do 3D rendering. Each hp  
visualization center sv6 cluster outputs to a single display. Each graphics  
device is connected to the compositor through a digital video connection.  
Each workstation is connected to the hp ProCurve 10/100 BaseT switch  
(J 4813A) which provides a connection to the sites LAN.  
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Figu r e 2-4  
Mu ltip le Disp la y Ch a n n els  
For multiple displays (up to three displays) additional hp visualization  
center sv6 clusters can be added to increase screen real-estate. Screen  
real estate” describes the expanded workspace created by spreading one  
continuous screen across several display devices.  
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hp visua liza tion c e nte r sv6 a rc hite c ture  
This section discusses a general overview of how the hardware is used by  
the hp visualization center sv6 architecture, using a 16-pipe system as  
an example:  
Figu r e 2-5  
16-p ip e System Ar ch itectu r e  
The 16-pipe system contains 16 hp workstations j6000 (A5990A) or j6700  
(A7278A) which perform the 3D rendering. Each of these machines  
10  
10  
contain the hp fx Graphics Accelerator Card (A1299B). Each fx DVI  
(Digital Video Interface) output connects to an input of the digital  
compositor (A6061A).  
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The 17th hp workstation fulfills three roles:  
1. Ap p lica tion Ser ver : This is the machine on which the application  
runs. Graphics protocol based on OpenGL is sent to the 16 3D  
systems via high-speed Gigabit networking.  
2. Xser ver : In addition to running the application, this machine also  
renders the 2D X window system and responds to the keyboard and  
mouse.  
3. Com p ositor Con tr oller : This machine controls operation of the  
Compositor via an RS-232 serial connection.  
The Compositor processes the DVI video from each hp fx10 card and  
generates the output video. The Compositor can be programmed to  
process the video input signals in a number of ways.  
hp visua liza tion c e nte r sv6 op e ra ting m od e s  
The key to understanding the hp visualization center sv6 configurations  
is to understand its three operating modes - Accelerate, Accumulate and  
Mixed. These modes can be changed using the  
/opt/graphics/OpenGL/sv/bin/setpipescommand. In the  
descriptions below, a “pipe” refers to a workstation that does 3D  
rendering. A channel” is the output sent to one output device.  
Acceler a te Mod e: Enhances rendering performance  
Each pipe renders a fraction of the screen, thus speeding up  
performance.  
Figu r e 2-6  
Acceler a te Mod e - Ver tica l slice, Hor izon a l slice a n d Gr id  
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NOTE  
Each fraction of the screen is called a screen rectangle.”  
Example: In a configuration with five workstations (one doing 2D  
rendering and four doing 3D rendering), each 3D workstation would  
output one of the four screen rectangle areas on the display.  
You can specify how the screen is dissected. The basic options are  
grid, vertical slice, horizontal slice and pane. See the  
/opt/graphics/OpenGL/sv/doc/README.setpipesfile for more  
details.  
Accu m u la te Mod e: Improves Image Quality  
Each pipe generates the complete screen, jittered” by sub-pixel  
values. These jittered images are averaged together to achieve a  
better quality image. This mode is sometimes referred to as the  
anti-aliasing mode. The more workstations you add, the more  
samples can be taken, and the better the resulting image quality.  
Figu r e 2-7  
Accu m u la te Mod e  
Mixed Mod e: Combination of both Accelerate and Accumulate  
Modes  
Each screen rectangle is generated (jittered and averaged) by the  
number of samples designated. There is improved image quality  
(anti-aliasing), and also improved performance (acceleration) since  
each area is generated by multiple workstations.  
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Figu r e 2-8  
Mixed Mod e  
For example, with a 16-pipe hp visualization center sv6, each of the  
quadrants pictured above could be accumulated by N graphics-enabled  
workstations (N is equal to the number of samples to be jittered). If N=4,  
then you get four samples for accumulation on each section and since the  
screen has been split into four sections, you also get improved  
acceleration.  
To increase the rendering performance, use the Accelerate Mode. To  
increase image quality, use Accumulate Mode. To improve both,  
experiment with Mixed Mode to achieve the desired balance of both.  
Figure 2-9 shows the hardware arrangement needed to produce the  
output in Figure 2-8.  
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Figu r e 2-9  
Mixed Mod e 16-P ip e Exa m p le  
sup p orte d c ong ura tions  
Each channel is driven by a set of workstations assigned to do 3D  
rendering (3D pipes) plus one to do 2D rendering (2D pipe). This table  
shows the hardware combinations that are supported.  
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Ta ble 2-1  
Ha r d w a r e Con figu r a tion s  
Nu m ber of Disp la y Ch a n n els  
3D p ip es  
/ch a n n el  
1 ch a n n el  
2 ch a n n el  
3 ch a n n el  
3**  
4
4 workstations  
5 workstations  
NA  
NA  
10 workstations  
15 workstations  
7 **  
8
8 workstations  
9 workstations  
NA  
NA  
18 workstations  
27 workstations  
16  
17 workstations  
34 workstations  
51 workstations  
** Mini-sv6 configurations have slightly lower performance because their second  
master node doubles as a 3D render node using its 2D HP fx10 graphics card.  
Given enough 3D pipelines, both acceleration and image quality can be  
achieved. With 16 systems, the screen can be split into four screen  
rectangles. Four workstations can be assigned for each quadrant to  
produce four samples per pixel from full scenes jittered by sub-pixel  
values. The digital compositor can both average these values into a  
single value and recombine the four quadrants into a single image. The  
possible configurations include:  
Ta ble 2-2  
Th r ee or Fou r 3D P ip es Per Ch a n n el  
Scr een Recta n gles P ixel Sa m p les*  
Mod e  
1
4
4
1
Accumulate (fastest)  
Accelerate (best image)  
Ta ble 2-3  
Seven or Eigh t 3D P ip es Per Ch a n n el  
Scr een r ecta n gles  
P ixel Sa m p les*  
Mod e  
1
2
8
8
4
1
Accumulate (fastest)  
Mixed  
Accelerate (best image)  
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Ta ble 2-4  
Sixteen 3D P ip es Per Ch a n n el  
Scr een r ecta n gles  
P ixel Sa m p les*  
Mod e  
1
16  
8
Accumulate (fastest)  
2
Mixed  
4
4
Mixed  
8
2
Mixed  
16  
1
Accelerate (best image quality)  
* Default shown is one pixel sample per graphics card. Each workstations fx10  
graphics card can take four samples of each pixel when hardware anti-aliasing is  
enabled. See Optimization on page 69.  
softwa re c ong ura tions  
The following software is installed on your systems and is included on  
the CDs in the Installation/Recovery Kit.  
Easy Setup HP-UX 11.0  
Gigabit Ethernet Driver  
Digi EtherLite Terminal Server Driver  
Latest graphics patches (X server, OpenGL, etc.)  
hp visualization center sv6 software (additional tools, patches, etc.)  
Additional file configuration (See Chapter 3 for details.)  
softwa re NOT sup p orte d  
HP-UX 10.20 and HP-UX 11.11 are not supported at this time.  
Graphics Patches  
Pre-hp visualization center sv6 graphics patches -- To get hp  
visualization center sv6 functionality, you MUST have June 2001  
graphics patches or later.  
Old graphics patches -- Keeping your graphics patches updated  
to the latest versions is HIGHLY RECOMMENDED.  
Mismatched versions -- All workstations in your hp visualization  
center sv6 configurations must have the same version of patches  
installed.  
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Drivers or other software not compatible with HP-UX 11.0 (64-bit)  
MUST NOT be installed on hp visualization center sv6 workstations.  
The hp visualization center sv6 is not equivalent to an HP compute  
farm mp6 and should not be expected to support tools (LSF,  
monitoring tools, etc.) that are specially customized for HP compute  
farms. However, hp visualization center sv6 workstations, like HP  
compute farms, when not being used for visualization can be used as  
separate compute nodes.  
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installation process  
insta lla tion p roc e ss  
NOTE  
Before attempting to install your hp visualization center sv6 system,  
please read the Safety Information in Chapter 1 of this document.  
This installation process assumes the following steps:  
Ta ble 2-5  
Assessment  
Thoroughly review the hp visualization center sv6 Site Prep  
Guide.  
Register an IP address and hostname for each workstation  
and Digi switch in the system.  
Take future upgrades into consideration.  
Confirm all system and display requirements with the vendor  
of your display(s)  
Preparation for  
Wide Field  
Displays  
Order appropriate equipment and services  
Prepare site as recommended in the hp visualization center  
sv6 Site Prep Guide  
Workstation  
Installation  
Locate and setup:  
rack(s) of workstations  
console monitors, keyboard, peripherals  
cabling including power, network, etc.  
Configuration  
Verification  
Configure workstations including passwords, networking, etc.  
Configure and calibrate any display options  
Locate and run verification test and demos  
a sse ssm e nt  
The assessment phase ensures that your computing needs are  
appropriately addressed. Options or future opportunities are considered  
at this stage so that system upgrade requirements are anticipated.  
1. Review the hp visualization center sv6 Site Prep Guide to ensure that  
all space, power, cooling equipment handling requirements, etc. are  
understood. Take any future upgrades into consideration. For  
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example, if you plan to add more hp visualization center sv6 systems  
or large display devices later, take those requirements into  
consideration.  
2. Verify that you will have an ergonomically correct place to set up a  
monitor, keyboard and mouse. Optional: projector screens or other  
advanced displays.  
3. Verify that delivery and moving arrangements have been made:  
size and weight restrictions are understood,  
safety precautions are understood,  
if anything other than a standard monitor will be used as an  
output display device, schedule an installer from your display  
vendor to be on-site the same day that your hp visualization  
center sv6 installer is there.  
4. Have a hostname and IP address registered at your site for each  
workstation.Youll also need an additional IP address for the Digi  
EtherLite-32 Terminal Server (DGZ1469C). For example, you would  
need 18 hostnames and IP addresses for a 16-pipe system.  
5. Have a network connection available.  
p re p a ra tion for wid e fie ld d isp la ys  
The preparation phase ensures that system specific requirements are  
addressed. hp visualization center sv6 systems minimally require one  
HP monitor. If wide field display options are ordered for projection  
systems, passive stereo or for multiple channel support, appropriate  
installation consulting should occur with the display vendor ahead of  
time.  
This guide does not cover how to integrate hp visualization center sv6  
with wide field displays, nor does HPs installation service provide this.  
TIP  
Have your display installer on-site at the same time as the hp  
visualization center sv6 installer is there. The display installer has the  
ultimate responsibility to make sure the displays are properly aligned  
and functioning.  
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hp visua liza tion c e nte r sv6 insta lla tion  
Here are the steps for hp visualization center sv6 system installation  
that will be completed by your hp installer:  
Position racks  
Position console monitors  
Connect power & I/O devices  
Configuration  
Boot Up  
Verification  
Run Your Application  
Figu r e 2-10  
An ti-Tip P la te  
Installed Anti-tip  
Plate  
WARNING  
P u ll ou t or a tta ch th e a n ti-tip p la te loca ted a t th e bottom of ea ch  
r a ck (see Figu r e 2-10) w h en system s a r e bein g set u p a n d  
con figu r ed . Fa ilu r e to d o so cou ld ca u se th e en tir e r a ck to tip  
over. Th e a n ti-tip p la te sh ou ld r em a in d ep loyed . See th e h p  
visu a liza tion cen ter sv6 Site P r ep Gu id e for fu r th er p r eca u tion s.  
1. Position r a ck (s)  
Some hp visualization center sv6 solutions require racks of machines  
to be located next to each other. Several cabling options between the  
racks are necessary to realize full functionality and performance.  
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Adequate ventilation and cable pathways should be provided  
between all machines. Refer to the hp visualization center sv6 Site  
Prep Guide for the specifications for your configuration.  
2. Position con sole m on itor s  
Set up console monitor(s) according to their respective installation  
instructions. Pay close attention to both ergonomic positioning  
recommendations and the monitors relationship to a wide field  
display option if it is used.  
See the Working In Comfort” documentation at  
http://www.hp.com/ergo for complete information on safely  
preparing your work environment and other ergonomic issues.  
3. Con n ect Pow er, I/O Devices  
If you have multiple racks, connect them as indicated by the labels  
on the disconnected cables. Use the diagram below as a general cable  
reference:  
Figu r e 2-11  
Wor k sta tion Ca blin g  
See power, space, and cooling requirements in the hp  
visualization center sv6 Site Prep Guide.  
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Verify that the switches on all workstations, Compositors, and  
any additional equipment are plugged into the PDU, or directly  
into an outlet that meets the requirements of the hp  
visualization center sv6 Site Prep Guide.  
Attach keyboard and mouse to the system labeled master.  
Plug in any dangling’ cables that are needed to connect the racks  
together. All cables will be labeled for where they need to be  
plugged in.  
Attach your display device to the output card of the compositor.  
Use a standard analog monitor cable. Note that two output cards  
will be connected to the output device(s) if you are using passive  
stereo as pictured in Figure 2-12. The left output card  
corresponds to the left eye and the right card corresponds to the  
right eye.  
Figu r e 2-12 Con n ectin g Com p ositor to Mon itor or Oth er Disp la y Device  
Connect hp ProCurve 10/100 (J 4813A) to sites Local Area  
Network.  
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Figu r e 2-13 Con n ectin g HP P r oCu r ve Hu b to LAN  
Connect one standard CAT5 cable (RJ 45 connector) to an empty  
port on the hub to connect the hp visualization center sv6 to your  
sites network.  
Figu r e 2-14 Pow er I/O Devices  
Plug in power from the Power Distribution Units (PDUs) on each  
rack. Be sure to heed all warnings and suggestions outlined in  
the hp visualization center sv6 Site Prep Guide.  
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4. Con figu r a tion  
For hp visualization center sv6 configurations, follow these  
procedures:  
Ta ble 2-6  
Boot up  
BOOT AND CONFIGURE THE MASTER  
SYSTEM BEFORE BOOTING THE SLAVE  
SYSTEMS. Have a list of hostnames and IP  
addresses to assign to the systems so they will be  
visible on your sites network. Run  
set_parms addl_netwrk  
to set the masters network information.  
Optional: Set up networking and root passwords  
on slave nodes using:  
/var/opt/ignite/sps/sv6files/sv_config  
See the How to Use hp visualization center sv6  
Tools” section for more information on sv_config.  
Specify Compositor serial port  
Configure system software  
If possible, leave the Compositor connected to the  
default port on the master workstation (serial port  
2, /dev/tty1p0). If you wish to move the  
Compositor to a different port, this change must be  
specified in the /etc/X11/X0screensfile.  
When each computer comes up, it can be  
customized for the local environment (networking  
info, user accounts, passwords, etc.) Ensure that all  
systems are compatible with your working  
environment before moving to the next step.  
5. Boot Up  
NOTE  
BOOT AND CONFIGURE THE MASTER SYSTEM BEFORE  
BOOTING THE SLAVE SYSTEMS.  
The boot console on the master will prompt you for a  
hostname, an IP address and other system and network  
settings.  
After you have answered all of the startup questions, power  
on all of the other workstations and network switchboxes.  
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Set up network information on the slave nodes.  
At boot up, all installed graphics devices will be set to default  
mode - 1280x1024, 75Hz. See the Changing Resolutions” section  
for details.  
a. Sp ecify Com p ositor Ser ia l Por t (Op tion a l)  
By default, the compositor is connected and configured on serial  
port2 of the master 2D workstation(s). If you wish to move it to  
port1, specify the serial port address in the  
/etc/X11/X0screensfile under the 'ScreenOptions' section:  
ScreenOptions  
SlsdCompositorSerialport /dev/ttyp0  
b. Con figu r e System Softw a r e  
To alter any network settings not done during the initial  
boot, log in to one system at a time and use set_parms  
addl_netwrk  
Set the root password  
— log in as root  
— Type passwd  
— Type in and verify new password  
Run HPs System Administration Manager (SAM) to create  
new logical volumes  
Add user accounts, passwords and other desktop  
customizations settings.  
If the configuration was successful, running your master  
system at init level 3 or 4 (/etc/init 4) will bring up a Common  
Desktop Environment (CDE) session across all of your  
screens.  
TIP  
If a wide field display option is being installed with your  
system, now is the time for configuration and calibration to  
occur. Your chosen vendor may have additional software and  
files required to set up these display systems. Consult the  
display vendor for details.  
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6. Ver ifica tion  
Run the verification test to verify that the cabling and network  
information are correct:  
log in to the master system as root  
init 3  
Log in at the CDE screen.  
Open a terminal window and run:  
/opt/graphics/OpenGL/bin/setpipes -test  
WARNING  
Do n ot u se a n y oth er op tion s w ith -test  
If you see:  
— Solid red, green or blue triangles rotating in each rectangle  
(at varying speeds).  
— Black background.  
Numbers are in order, left to right, top to bottom.  
— PASS: System is Ready  
If you see:  
— Speckles.  
— Strange color changes.  
— Missing triangles.  
Unexpected patterns (e.g. checkerboard pattern, completely  
black or red rectangle).  
— FAIL: See the hp visualization center sv6 Troubleshooting  
Guide at http://www.hp.comgo/workstationsupport to  
correct the cabling or networking problem. Check the  
verify.log file created in the current directory.  
Touch any key on the keyboard or press a mouse button to exit  
the animation  
Use CTRL+SHIFT+BREAKto get back to the log in prompt.  
7. Con figu r e d s2100  
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If you ordered and HP SureStore Disk System ds2100 (A5675AZ), it  
will be installed and configured with default settings. See the  
following documentation for usage and configuration information:  
ds2100 Users Guide:  
http://www.hp.com/cposupport/manual_set/lpg28796.pdf  
Product Web Site:  
http://www.hp.com/products1/storage/disk_arrays/disksystems/ds  
2100/supplies/index.html  
8. Ru n You r Ap p lica tion  
log in to the master system  
init 3  
This will bring up the default window manager, CDE  
Run your application the same way you would run it on any hp  
workstation running HP-UX 11.0  
Refer to the How To Use hp visualization center sv6  
Configuration Tools” or Usage” sections for details about how to  
customize your hp visualization center sv6 system.  
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software setup specifications  
softwa re se tup sp e c ific a tions  
Your systems will arrive fully loaded with all of the appropriate software  
and specially configured files. This includes, in some cases, new versions  
of commands and patches that have not yet been released on media. This  
section is meant to be used as a reference for what is on the systems  
when they are shipped. Consider customizing your system and then  
creating your own golden image’ for use in restoring systems in the  
event that the systems need to be rebuilt. A Recovery CD that  
automatically loads this software has also been provided for your  
convenience.  
Each workstation was ignited with EasySetup HP-UX 11.0  
Additional Software  
— Latest graphics patches (June 2001 or later)  
hp visualization center sv6 software (additional tools, patches,  
etc.)  
— Gigabit Ethernet and Digi EtherLite driver  
Default Gigabit Ethernet hostnames, IP addresses and other  
network settings were applied.  
10c  
The default monitor resolution mode for fx  
graphics cards in hp  
visualization center sv6 systems is 1280x1024 at 75 Hz. Different  
video timing settings can be specified in the /etc/X11/X0screens  
file. See the Changing Resolution section for more details.  
File configurations based on the descriptions in Chapter 3 were done  
on your workstations.  
NOTE  
If you have problems with any of the workstations, use the Recovery CDs  
instructions to get the system back to a clean state.  
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installation and user information  
updating software  
up d a ting softwa re  
m a inta in c urre nt g ra p hic s p a tc he s  
To fully take advantage of your hp visualization center sv6 systems, be  
sure to update them with the latest graphics software enhancements  
available. New sv6 software can be downloaded from  
http://h20000.www2.hp.com. Click on the following links:  
download drivers & software  
workstations  
hp scalable computing - UNIX  
hp visualization center sv6  
This software package contains graphics software updates specifically  
designed for hp scalable visualization sv6 workstations. It will update  
your current X server and OpenGL software.  
h ow to d eter m in e you r cu r r en t ver sion  
As root, enter these commands:  
swlist | grep ‘SV6 Core Update’  
what /opt/graphics/OpenGL/lib/libGL.1  
The output will look like this:  
# swlist |grep 'SV6 Core Update'  
Sv6_Enhancements B.11.00.05 HP Visualization Center SV6  
Core Update  
# what /opt/graphics/OpenGL/lib/libGL.1  
/opt/graphics/OpenGL/lib/libGL.1:  
OpenGL 1.1 Revision 1.26.1 (ov 0201) on HP-UX 11.00  
$Date:09-Jan-02.13:38:48 $ $Revision: 20020109.28119 $  
libGL.1  
If you have installed sv6 enhancements software on your system before,  
skip to step 3 (below).  
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installation and user information  
updating software  
Insta lla tion Ste p s  
1
2
Find out current version  
1. Verify that you have previous sv6_enhancements  
software on your master system.  
2. If you do not have a previous version of this sv6 software  
and/or June 2001 or later X server and OpenGL on your  
system, do not install the sv6_enhancements bundle.  
Contact HP Support.  
Verify prerequisites.  
1. Must be able to login as root on master node, which is  
connected to an HP sv6 compositor.  
2. Verify that /var/opt/sps/sv6files/sv6_targets contains  
gigabit hostnames for all systems in the configuration.  
(i.e. svm sv1 …sv16)  
3. Must be a rack of HPUX 11.0 workstations configured  
according to sv6 standards which includes these critical  
ones:  
A recent version of the Quality Pack is highly  
recommended. It contains graphics patches and other  
standard HP patches.  
Must have June 2001 or newer X server and OpenGL  
(PHSS_23546, PHSS_23544,5) and/or an SV6 Core  
Update patch installed. Check date by running:  
what /opt/graphics/OpenGL/lib/libGL.1  
SD tools must be configured for swinstall to multiple  
targets (touch /var/adm/sw/.sdkey) and allow root  
access from the master node to all slave nodes  
(swacl).  
Master has root permissions assigned in /.rhosts on  
all slave nodes.  
Gigabit network must be functional:  
(remsh sv1 echo hello)  
See other details in the scalable visualization guides  
at:  
http://www.hp.com/workstations/support/document  
ation/hpux_manuals.html#scalablevis  
3
Download software and  
install script  
1. Download and save the sv6_enhancements and  
install_sv6_enhancements files on the master system.  
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4
Run install script  
1. init 2 to stop the X server  
2. rlogin to the master system as root  
3. Execute the install_sv6_enhancements script  
5
6
Re-start X server  
Check log files  
1. When complete, look for errors or warnings.  
2. init 3 or /tmp/startx0 to restart the X server  
1. Check /tmp/sps/enhancements.log and  
/var/adm/sw/swinstall.logfor errors.  
2. A common error when installing with out the  
install_sv6_enhancements script is cannot install from  
tape device.  
To fix this, use:  
swcopy –s /tmp/tapedepot \  
–x enforce_dependencies=false\  
\* @ /tmp/diskdepot  
This will copy the software into a more accessible format.  
WARNING  
Uninstalling sv6_enhancements completely removes all X server and  
OpenGL software and may not roll back to the previous version.  
Reinstalling a new sv6_enhancements package or new X server and  
OpenGL patches is required.  
uninsta lla tion ste p s  
1
swremove  
As root, run: swremove  
Add target group:  
/var/opt/ignite/sps/sv6files/sv6_targets  
Select: Actions, Show Software and Mark sv6_enhancements for  
removal  
Select: Remove from the Actions menu  
Reboot as requested  
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2
Install another  
version of  
graphics  
Re-install sv6_enhancements on all systems . . .or for stand-alone  
sv6 systems, download and install the latest X server and OpenGL  
patches from http://itrc.hp.com.  
software  
insta lling to a ll sv6 syste m s using HP Softwa re Distrib utor  
There are many ways to utilize HPs Software Distributor (SD) tools to  
install software. The previous section uses scripts with command line SD  
calls to make it easy to update the sv6_enhancements package.  
This section describes one way to use the SD GUI tools to install depots  
or patches onto all systems in your sv6 configuration at the same time.  
See the man page for swinstall’ or  
http://managementsoftware.hp.com/products/swdist/ for details on HP  
Software Distributor usage.  
WARNING  
Wh en in sta llin g p a tch es th a t r equ ir e a r eboot, sw itch to a  
sta n d -a lon e w or k sta tion X ser ver in sta n tia tion . If you w ish to  
u se th e SD GUI tools in stea d of th e com m a n d lin e or ter m in a l  
ver sion s, eith er login r em otely to p er for m th e in sta ll, or  
con figu r e th e X ser ver to r u n a s it w ou ld on a sta n d -a lon e  
w or k sta tion . (Exa m p le: Tem p or a r ily m ove th e /etc/X11/X0scr een s  
file to X0scr een s.sa ve th en r esta r t th e X ser ver.) Fa ilu r e to d o  
th is cou ld r esu lt in a n in com p lete in sta lla tion . On sv6, w h en th e  
fir st sla ve n od e r eboots, it k ills th e X ser ver on th e m a ster n od e,  
w h ich k ills th e r em a in in g sw in sta ll GUI w in d ow s.  
NOTE  
The examples below assume a single-channel system with a master  
gigabit hostname of svm and an example patch number of PHSS_25612,  
which is in tape depot format. Make appropriate substitutions as needed.  
Here is a summary of the following installation steps:  
Download and unpack software.  
If the software requires a reboot, change to a stand-alone  
workstation X server.  
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Add /var/opt/ignite/sps/sv6_filesto path.  
Verify sv6_targets list.  
all touch /var/adm/sw/.sdkey  
all /usr/sbin/swacl -l root -M user:root@svm:crwit  
swcopy  
swinstall  
ste p 1: p re p a ra tion  
1. Back up your system before installing a patch.  
2. Login as root.  
3. Add the sv6files directory to your path to access helpful scripts.  
Example:  
export PATH=$PATH:/var/opt/ignite/sps/sv6files  
4. Download software to a temporary directory on the master node.  
Example:  
Save As /tmp/PHSS_25612  
Before installing, observe any special instructions or patch  
dependencies.  
Individual HP-UX patches are available at http://itrc.hp.com  
5. Unpack compressed packages if necessary.  
Example:  
cd /tmp  
sh PHSS_25612  
6. Set root access permissions for SD (Software Distributor) tools.  
Verify that you have a recent version (PHCO_23966, PHCO_25875,  
or newer) of the software distributor tools, which have the ability to  
install to multiple targets.  
swlist |grep SD  
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Use the default target list which is generated during the initial  
installation of sv6 systems, /var/opt/sps/sv6files/sv6_targets, or  
create a new file containing the gigabit hostnames of all systems in  
your sv6 configuration. The first name in the list must be the gigabit  
hostname of the master system. For single-channel configurations,  
the default master hostname is svm, and for multi-channel the  
default is svm_c1. For this example, our sv6_targets file contains:  
svm  
sv1  
sv2  
sv3  
sv4  
Touch the .sdkey file on each system to allow for the SD install to  
multiple targets” functionality. Use the /var/opt/ignite/sps/sv6files/all  
script to automatically run this command on all systems in the  
targets list.  
all touch /var/adm/sw/.sdkey  
Enable SD root permissions from the master system to all systems in  
the target list.  
master=$(head –1 /var/opt/ignite/sps/sv6files/sv6_targets)  
all /usr/sbin/swacl -l root -M user:root@$master:crwit  
ste p 2: c opy a nd re g iste r loc a lly  
This step meets the requirement of the SD install to multiple targets”  
functionality. The patch or depot being applied must be registered on the  
local (not network mounted) hard drive of the master system. Tape depot  
format is not supported. The swcopy command converts tape depots into  
an acceptable format.  
Key to step s below  
Exa m p le  
Menu Selections  
Buttons  
(xxx)  
(Actions)  
[OK]  
[xxx]  
Text or commands to be  
entered  
Plain, bold  
svm  
7. Start the SD copy GUI: swcopy  
8. In the target selection window:  
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(Actions)  
(Add Targets)  
Hostname: svm  
[Add]  
Target Depot Path: /var/opt/sps/depots  
[OK] [OK]  
(Actions)  
(Show Software For Selection)  
Source Host Name: svm  
Source Depot Path: /tmp/PHNE_25612.depot  
9. In the software selection window:  
Left click to select PHNE_25612  
Right click on PHNE_25612  
(Mark for copy)  
(Actions)  
(Copy)  
Assign an optional job title for monitoring and reference  
purposes.  
Example: march gb  
[OK]  
Watch for warning or error messages that need to be resolved.  
(File)  
(Exit)  
ste p 3: insta ll  
WARNING  
Wh en in sta llin g p a tch es th a t r equ ir e a r eboot, sw itch to a  
sta n d -a lon e w or k sta tion X ser ver in sta n tia tion . If you w ish to  
u se th e SD GUI tools in stea d of th e com m a n d lin e or ter m in a l  
ver sion s, eith er login r em otely to p er for m th e in sta ll, or  
con figu r e th e X ser ver to r u n a s it w ou ld on a sta n d -a lon e  
w or k sta tion . (Exa m p le: Tem p or a r ily m ove th e /etc/X11/X0scr een s  
file to X0scr een s.sa ve th en r esta r t th e X ser ver.) Fa ilu r e to d o  
th is cou ld r esu lt in a n in com p lete in sta lla tion . On sv6, w h en th e  
fir st sla ve n od e r eboots, it k ills th e X ser ver on th e m a ster n od e,  
w h ich k ills th e r em a in in g sw in sta ll GUI w in d ow s.  
10. Start install GUI: swinstall  
11. In the target selection screen:  
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(Actions)  
(Add Target Group)  
name: /var/opt/ignite/sps/sv6files/sv6_targets  
[OK]  
(Actions)  
(Show Software For Selection)  
Source Host Name: svm  
Source Depot Path: /var/opt/sps/depots  
[OK]  
12. In the software selection window:  
Left click to select PHNE_25612  
Right click on PHNE_25612  
(Mark For Install)  
(Actions)  
(Install)  
Assign an optional job title for monitoring and reference pur-  
poses.  
Example: march gb patch  
[OK] [OK]  
Watch the Job Browser and Job Results window for confirmation,  
warning, or error messages, which may need your response.  
[Done]  
ste p 4: ve rific a tion  
13. Check logs for errors.  
Highlight the system with errors or warnings, then click [Show Log].  
Copies of SD logs can be found at /var/adm/sw/*.log  
14. If a pop-up window requests a mandatory reboot, click [Done]. By  
default, auto-reboot is disabled for the master node only, so the  
slaves will automatically reboot.  
Reboot the master system: /sbin/reboot –q  
15. Verify that the new software shows up in the software list.  
swlist |grep PHNE_25612  
The name and description should show up as output. Example:  
PHNE_25612 1.0 1000Base-SX/T B.11.00.[02-11] cumul. patch  
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advanced setup for multiple display channels  
a d va nc e d se tup for multip le d isp la y c ha nne ls  
For multiple displays (up to 3 displays) multiple hp visualization center  
sv6 clusters can be combined to increase screen real estate.  
Figu r e 2-15  
Mu ltip le Ch a n n el View  
a d d itiona l X se rve r  
An additional X server called the head’ controls the other X servers. In  
addition to the master X server, the head X server is run on the first  
master workstation listed in the /etc/X11/X0screensfile. This simply  
adds one more layer to the X server hierarchy. The head X server controls  
the master X servers running on each 2D node. The master X servers  
control the slave X servers running on each 3D slave node. Notice in the  
following 8-pipe, 2 channel sample X0screens file, that each hp  
visualization center sv6 cluster has an ID associated with its 2D master  
node. A row, column order for the displays is also specified. Position the  
displays left to right top to bottom to match the row, column order you  
specify in this file.  
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Master  
Hostname  
ID  
svm_c1  
sv_c1_master  
#master system’s hostname  
#a unique label describing  
the master system  
sv1_c1  
sv2_c1  
sv3_c1  
sv4_c1  
sv5_c1  
sv6_c1  
sv7_c1  
sv8_c1  
#3D slave nodes for this cluster  
svm_c1  
Mode  
End  
Accelerate  
Master  
Hostname  
ID  
svm_c2  
svm_c2_master  
sv1_c2  
sv2_c2  
sv3_c2  
sv4_c2  
sv5_c2  
sv6_c2  
sv7_c2  
sv8_c2  
svm_c22  
Mode  
Accelerate  
End  
SLSd  
svm_c1_master_1  
svm_c2_master_2  
SlaveLayout  
Rows  
1
Columns 2  
There are template X0screens files for various types of configurations in  
the /usr/lib/X11/misc/slsd/config directory. A template for the  
configuration you ordered will be put into place (/etc/X11/X0screens)  
before HP ships your system.  
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See the comments in /etc/X11/X0screensfor more information on  
syntax for multiple channels.  
a d d itiona l e q uip m e nt  
A separate hp visualization center sv6 cluster must be added for each  
additional channel of output, as desired.  
A continuous chain, starting at the master system (M) which is the 2D  
pipe in the first rack, connects all workstations. The chain is formed by  
synchronization cables between the racks. See the diagrams below.  
Figu r e 2-16  
Syn ch r on iza tion ca ble ch a in  
c ong uring offse t ove rla p  
When running a configuration where the output is displayed by  
projectors, it is often necessary to overlap the output channels to ensure  
proper video intensity across the entire display (see Figure 2-22). Edit  
the /etc/X11/X0screens file to include the following ScreenOption to  
specify the amount of each screen to use for blending:  
SlsScreenBlendOffsetPercent 25  
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Figu r e 2-17  
Ed ge Blen d in g  
This raises the intensity of the pixels on the edges of the physical screens  
so that the overall projected image is consistently bright. These blending  
options are only meaningful in multi-channel configurations. The default  
is to not enable screen blending  
SlsScreenBlendOffsetPixels is similar to SlsScreenBlendOffsetPercent,  
except you specify the exact number of pixels to blend instead of a  
percentage of the screen width. Specify either pixels or a percentage.  
These two options are mutually exclusive.  
c ong uring offse t ove rla p for multip le rows  
The previous edge-blending example shows a simple three-channel con-  
figuration with one row and blending between the three columns. For  
blending of multiple rows, also add one of the following ScreenOptions to  
specify the amount of each screen to use for blending between the rows:  
SlsScreenBlendHeightPercent <percent>  
SlsScreenBlendHeightPixels <pixels>  
Example:  
SlaveLayout  
Rows 2  
Columns 2  
ScreenOptions  
SlsScreenBlendOffsetPixels 256  
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SlsScreenBlendHeightPixels 256  
Mu lti-ch a n n el Ed ge Blen d in g  
Figu r e 2-18  
Ch a n n el 2  
ou tp u t  
Ch a n n el 1  
ou tp u t  
Ch a n n el 3  
ou tp u t  
Ch a n n el 4  
ou tp u t  
Figu r e 2-19  
Heigh t Ed ge Blen d in g  
Wid th  
Colu m n 1  
Colu m n 2  
Row 1  
Row 2  
See also the usage, “changing resolution” section for details about set-  
ting a width, height, and frequency that are compatible with your projec-  
tor.  
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b a c kd rop s  
In addition to the standard CDE patterns, your hp visualization center  
sv6 system comes with special high resolution CDE backgrounds for  
configurations with two or three display channels.  
The following files are for use with the HP-UX Common Desktop  
Environment (or CDE). They are formatted as pix map files to be used as  
backdrops for a users account.  
1. Choose the desired resolution file from /.dt/backdrops  
2. Select the Backdrop option from the Style Manager  
3. It may take some time to open the menu as CDE first scans the large  
files and adds them to the file browser. Open the menu when ready.  
4. Select a backdrop to display as depicted in the following page. Select  
the Apply button to make it the current backdrop.  
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Figu r e 2-20  
3840 x 1024 3x(1280 x 1024)  
cst3840.pm  
grdc3840.pm  
fish3840.pm  
Figu r e 2-21  
3072 x 768 3x(1024 x 768)  
cst3072.pm  
grdc3072.pm  
fish3072.pm  
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usage  
usa g e  
This section covers some general tasks the hp visualization center sv6  
user may do. If you are looking for descriptions of hp visualization center  
sv6 tools, skip to the How To Use hp visualization center sv6 Tools  
section.  
X Ser ver  
To start the X server on the master system, run X:0or go to init 3  
to start up the X server and CDE. The masters X server will  
automatically start and control all slave X servers on the other  
systems.  
To kill the X server, press <Ctrl>+<Shift>+<Break>, then wait for  
the X servers to stop.  
Press <Ctrl>+<Shift>+<Break>again.  
Press enter a couple of times to get the prompt back.  
X0scr een s Descr ip tion  
The /etc/X11/X0screensfile details the X server configuration  
information for the HP X server. The X0screens file is used to  
configure many aspects of hp visualization center sv6 including  
which systems are to be involved in the hp visualization center sv6  
configuration, video timing data, and options to obtain diagnostic  
information.  
The X0screens file on the hp visualization center sv6 master system  
is used to configure the X servers on each of the hp visualization  
center sv6 slave systems. This single-file configuration maintains  
consistency between all nodes.  
NOTE  
This file must be edited as root and must be located in  
/etc/X11/X0screens  
Loa d in g X0scr een s tem p la tes  
A template /etc/X11/X0screensfile is on the master system.  
There are several additional X0screens template files available. Copy  
or link the desired (and compatible) template to X0screens. For  
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usage  
instance, if you have a three channel system, but you want to  
temporarily set the configuration to use only two of the channels, you  
could save the current X0screens file and move a two channel  
template into place:  
cp /etc/X11/X0screens /etc/X11/X0screens.orig  
cd /usr/lib/X11/Xserver/misc/slsd/templates  
cp X0screens.p16c2 /etc/X11/X0screens  
. . . or  
ln -s /etc/X11/X0screens.16c2 /etc/X11/X0screens  
NOTE  
Early versions of SLS/d required the /etc/X11/X0devicesand  
/etc/X11/X0screensfiles on the slave systems to be edited. This is  
no longer necessary, since the master system uses the information in  
its X0screens file to do automatic configuration on the slaves via the  
X server.  
c ha ng ing re solution  
Use one of the methods below to specify the resolution in the  
/etc/X11/X0screensfile. Each method automatically sets all graphics  
cards in the hp visualization center sv6 configuration to the specified  
resolution. If no video timing information is specified, the default  
settings will be used.  
Do not use the setmon program to change resolutions on your systems. It  
does not have the functionality to change all necessary settings.  
Sta n d a r d Resolu tion s:  
To set a standard resolution, add the following lines to the  
ScreenOptions section of the /etc/X11/X0screensfile. The  
10  
example below is the default for fx graphics cards in an hp  
visualization center sv6 configuration (1280x1024 at 75 Hz):  
ScreenOptions  
SlsdVideoTimingWidth 1280  
SlsdVideoTimingHeight 1024  
SlsdVideoTimingFrequency 75  
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usage  
Cu stom ized Resolu tion s:  
If you wish to customize to a non-standard video format or specify  
precise timing parameters:  
Select one of the video timing files from  
/usr/lib/X11/Xserver/misc/slsd/videotiming  
Reference it in the /etc/X11/X0screensas follows:  
ScreenOptions  
SlsdVideoTimingFile  
/usr/lib/X11/misc/slsd/videotiming/<timingfile>  
Ster eo Resolu tion s  
For active stereo, add the following line under the ScreenOptions  
section of /etc/X11/X0screens:  
SlsdCompositorStereo Active  
For passive stereo:  
SlsdCompositorStereo Passive  
See the Stereoscopic Viewing section for details about active and  
passive stereo.  
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how to use hp visua liza tion c e nte r sv6 tools  
See the README files at:  
/opt/graphics/OpenGL/sv/doc/sv/README.*  
The following tools can be used to make on-the-fly configuration changes.  
sv_config -This script allows you to customize the site-visible  
host names and IP addresses for slave systems. It is not necessary to  
set the IP addresses on the slave systems for the system to operate  
properly. Use this script to set root passwords on the slave systems.  
This is only necessary if you want access to these systems for other  
uses.  
First, you must know the new host names and IP addresses for all  
the systems, including the IP address of the Digi-Etherlite terminal  
server. When you have this information you can run sv_config  
(/var/opt/ignite/sps/sv6files/sv_config) and it will  
prompt you for the new information for each system.  
You may also prepare a file with this information for sv_config to  
read. First copy the sv6_targets to a temporary file (for example:  
cp /var/opt/ignite/sps/sv6files/sv6_targets  
/tmp/sv6_newnames). Then edit /tmp/sv6_newnamesto add the  
required information. It should look like the example below:  
svm  
sv1  
sv2  
sv3  
...  
Append after each sv name the hostname and IP address you want  
the system to be known as within your site network. The first line  
(svm) is the master system, sv_config doesnt change the masters  
hostname or IP address, use set_parmsto do that. sv6_newnames  
will then look like this:  
svm mymastername 111.222.123.1  
sv1 myname1 111.222.123.2  
sv2 myname2 111.222.123.20  
sv3 myname3 111.222.123.17  
.
Then run ./sv_config -f /tmp/sv6_newnames  
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sv_configwill then use that file to determine how to set each  
systems hostname and IP address. It will then ask you to enter the  
IP address for any Digi-Etherlite Terminal servers you have. Once  
all the data has been collected the changes are made to the systems  
and sv_configasks to reboot. A reboot is needed for all the  
changes to take effect. If you are not able to reboot at this time you  
can use sv_config -rebootall  
sv_configalways saves the files it will be changing so that the  
system can be restored later. Use sv_config -restoreto put the  
saved files back in place.  
NOTE  
This does not change the Gigabit Ethernet hostnames or IP  
addresses.  
xsetpipes GUI- The Xsetpipes GUI allows you to change and  
manipulate the layout and pipe arrangement while viewing 3D  
changes. The same functionality can be used via the command line.  
See the setpipes Command Line Tool’ section below.  
For information about how to use this tool:  
/opt/graphics/OpenGL/sv/bin/xsetpipes –help  
or read /opt/graphics/OpenGL/sv/doc/README.xsetpipes  
xadvsetpipes GUI  
This is an advanced version of the xsetpipes tool that allows the  
screen rectangle lines to be dragged across the display. Both GUIs  
take advantage of the same core functionality, which is provided by  
the command line tool.  
For information about how to use this tool, log in to CDE, then run:  
/opt/graphics/OpenGL/sv/bin/xadvsetpipes –help  
or read /opt/graphics/OpenGL/sv/doc/README.xadvsetpipes  
setpipes Command Line Tool  
For information about how to use this tool:  
/opt/graphics/OpenGL/sv/bin/setpipes –help  
The following section is a copy of  
/opt/graphics/OpenGL/sv/doc/README.setpipes  
Note: the VisCenter’ sections refer to multi-channel configurations.  
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Hewlett-Packard Visualize Center sv6  
NAME  
setpipes - sv6 Pipe Configuration Tool  
SYNOPSIS (sv6 Configuration)  
setpipes [options]  
[options]  
-h  
- Arrange Pipes in Horizontal Bands  
-v  
- Arrange Pipes in Vertical Stripes  
- Arrange Pipes in a Regular Grid  
- Each Pipe covers the entire screen  
- Arrange Pipes in a “Pane”  
-grid  
-full  
-pane  
-pr l r t b - Pane Rectangle: Specifies the inner pane  
rectangle in terms of percentages from the  
left, right, top, and bottom of the screen  
-po <mode> - Pane Orientation: Specifies the orientation  
of the Pipes within the Pane. This can be  
either h,v or grid.  
-samples [ 2 | 4 | 8 | 16 ] - Number of jitter samples per  
Pipe  
-jf <file> - Read jitter values from file <file>  
-js <scale> - Scale the jitter values by <scale>  
-show  
-hide  
- Show Pipe Rectangle indicators on the display  
- Hide Pipe Rectangle indicators on the display  
-xdist x1 x2 ... - X Distribution percentage of each Pipe  
relative to the screen width  
-ydist y1 y2 ... - Y Distribution percentage of each Pipe  
relative to the screen height  
SYNOPSIS (sv6 VisCenter Configuration)  
setpipes [glob_options] -0 [Master 0 Options]  
-1 [Master 1 Options]  
-2 [Master 2 Options]  
[glob_options]  
-show, -hide, -samples, -jf, -js  
[Master <x> Options]  
-h, -v, -grid, -pane, -full, -samples, -js,  
-show, -hide -pr, -po, -xdist, -ydist  
DESCRIPTION  
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The setpipes program modifies the location and size of the  
rendering area for each 3D Slave. In addition, the number of jitter  
samples per 3D Slave can also be specified.  
NOTES:1) When experimenting with different values in xdist and  
ydist, it is possible that the values will not total 100% of the  
screen width or height. In this case, the command will be executed  
and the compositor will display a test pattern in the areas not  
covered by a pipe. The test pattern is a block grid pattern that  
rotates between red, green, and blue continuously.  
2) When running setpipes on an sv6 VisCenter configuration, the  
"-" is optional between the master specifier (e.g, "-0") and the  
Pipe orientation (e.g., grid). In other words, on an sv6 VisCenter:  
setpipes -0 grid -1 grid  
is identical to  
setpipes -0 -grid -1 -grid  
EXAMPLES  
1) sv6 Configuration: 8-Pipe System, Horizontal Stripes  
setpipes -h  
+---------------+  
|---------------|  
|---------------|  
|---------------|  
|---------------|  
|---------------|  
|---------------|  
|---------------|  
+---------------+  
2) sv6 Configuration: 8-Pipe System, Grid  
setpipes -grid  
+---+---+---+---+  
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+---+---+---+---+  
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+---+---+---+---+  
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3) sv6 Configuration: 8-Pipe System, 2 jitter samples per  
pipe  
setpipes -grid -samples 2  
+-------+-------+  
|
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| 2x  
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+-------+-------+  
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| 2x  
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|
+-------+-------+  
4) sv6 Configuration: 8-Pipe System, 4 jitter samples per  
pipe  
setpipes -grid -samples 4  
+---------------+  
|
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4x  
+---------------+  
|
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|
4x  
+---------------+  
5) sv6 Configuration: 8-Pipe System, Pane Orientation Grid  
setpipes -pane -po grid  
+---+-------+---+  
|
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+---+---+  
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+---+---+  
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+---+-------+---+  
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6) sv6 VisCenter Configuration: Show Pipe Indicators  
Master 0: 8-Pipe System, Grid  
Master 1: 8-Pipe System, Horizontal  
Master 2: 8-Pipe System, Vertical  
setpipes -show -0 grid -1 h -2 v  
+---+---+---+---+ +---------------+ +-+-+-+-+-+-+-+-+  
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| |---------------| | | | | | | | | |  
| |---------------| | | | | | | | | |  
| |---------------| | | | | | | | | |  
+---+---+---+---+ |---------------| | | | | | | | | |  
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| |---------------| | | | | | | | | |  
| |---------------| | | | | | | | | |  
| |---------------| | | | | | | | | |  
+---+---+---+---+ +---------------+ +-+-+-+-+-+-+-+-+  
7) sv6 Configuration: 4-Pipe System, Grid  
Left-Half Pipes take up 60% of the screen  
Top-Half Pipes take up 70% of the screen  
setpipes -grid -xdist 60 40 -ydist 70 30  
+----+----------+  
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+----+----------+  
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+----+----------+  
jitter file tool  
The jitter tool can be used to generate a custom jitter file which can  
then be loaded and used with setpipes. This tool allows you to  
manually select custom jitter points, thus customize/increase the  
quality of their output by controlling how samples are taken for  
Accumulate Mode.  
For information about how to use this tool:  
/opt/graphics/OpenGL/sv/bin/jitter –help  
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or see /opt/graphics/OpenGL/sv/doc/README.jitter  
Other tools  
See the /opt/graphics/OpenGL/doc/sv/README.* files for  
details about other hp visualization center sv6 tools  
sv6 d ia g nostic s  
Use the diagnostic tool for troubleshooting. The executable is  
/usr/local/bin/sv6diag. More usage details can be found by view-  
ing the man page for sv6diag, or running sv6diag -h. Diagnostic  
results are generated as a table showing the pass/fail status for each  
component in the system.  
sv6diag runs the following sequence of tests:  
Back - Verifies name resolution on slaves  
Comp - Tests RS232 connectivity to the compositor(s)  
Digi - Verifies connectivity to slaves through the Digi-Etherlite terminal  
server  
Forw - Verifies name resolution on master  
Giga - Tests connectivity on 1000 baseT network  
Ping - Verifies connectivity to terminal server  
Rsh - Verifies Remote Shell Capability  
Tnet - Tests connectivity on 10/100baseT network  
Usa ge: To run the test suite, type: sv6diag [-abcdglnprt]  
Descr ip tion :  
Runs diagnostic tests on sv6 systems.  
All tests run by default without logging.  
Op tion s:  
a - Run all tests  
b - Verify name resolution on slaves  
c - Test connectivity to the compositor(s)  
d - Verify connectivity to slaves through the terminal server  
g - Test connectivity on 1000baseT network  
l - Turn logging on  
n - Verify name resolution on master  
p - Verify connectivity to terminal server  
r - Verify Remote Shell Capability  
t - Test connectivity on 10/100baseT network  
Executing sv6diag with no arguments runs all of the tests.  
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sa m p le outp ut from running sv6d ia g on a sta nd a rd sv6 syste m  
Fri Jul 20 09:33:20 MDT 2001  
sv6diag version 1.0  
(c) Copyright 2001, Hewlett-Packard Company, all rights  
reserved  
Hewlett-Packard sv6 Configuration  
Product Information  
graphics product:  
Displays:  
Pipes/Display:  
spu description:  
sv6  
3
16  
9000/785  
Configuration Information  
image planes:  
overlay planes:  
Resolution:  
48  
8
1280 x 1024 @ 75 Hz  
HP OpenGL Support  
direct rendering (hardware):  
yes  
receive indirect rendering (protocol): yes  
emit indirect rendering (protocol):  
virtual GL rendering (VGL):  
yes  
yes  
Running pingDigi: .  
Running verifyNameF: .....  
Running pingJGiga: ......  
Running remsh: .....  
Running testCompConnect: .  
Running pingJHub: .....  
Running pingJDigi: .....  
Running verifyNameB: .....  
Test Name Key  
-------------  
Back - Verify name resolution on slaves  
Comp - Test RS232 connectivity to the compositor(s)  
Digi - Verify connectivity to slaves through the  
Digi-Etherlite terminal server  
Forw - Verify name resolution on master  
Giga - Test connectivity on 1000baseT network  
Ping - Verify connectivity to terminal server  
Rsh - Verify Remote Shell Capability  
Tnet - Test connectivity on 10/100baseT network  
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Test Results  
------------  
Machine Name  
Forw Giga Rsh Back Tnet Comp Ping Digi  
------------- ---- ---- ---- ---- ---- ---- --- ----  
svm_c1  
sv1_c1  
sv2_c1  
sv3_c1  
sv4_c1  
els0  
ok ok ok ok ok ok  
ok ok ok ok ok  
ok ok ok ok ok  
ok ok ok ok ok  
ok ok ok ok ok  
ok  
ok  
ok  
ok  
ok  
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stereoscopic viewing  
ste re osc op ic vie wing  
This section covers basic installation issues for stereoscopic viewing  
options. Please consult your chosen provider for complete details on their  
products.  
a c tive ste re o ove rvie w  
Most output devices are only compatible with active stereo. For active  
stereo, only one output card per digital compositor (A6061A) is needed.  
Synchronized emitter and stereo eye wear are connected to the controller  
card on the digital compositor.  
Hardware:  
One digital compositor output card for each channel.  
Monitor or other standard output device.  
Stereo Emitter(s) and eyewear synchronized to block out left or right  
eye at appropriate times.  
See http://www.hp.com/go/workstations for an overview of immersive  
environment products and hp visualization center sv6 certified output  
devices.  
p a ssive ste re o ove rvie w  
Most output devices use active stereo as described above. With the  
passive stereo capability, no emitter is needed. It uses a combination of  
polarized eye wear and special output display devices (such as, specially  
aligned projectors or passive stereo work bench displays). Two output  
cards must be used for the compositor to produce the entire left-eye scene  
and entire right-eye scene. Both scenes are overlapped. The polarized eye  
wear filters out the correct image for the right and left eye.  
Hardware:  
Two digital compositor output cards per channel.  
Output device that supports passive stereo.  
Polarized stereo eye wear.  
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stereo hardware installation  
ste re o ha rd wa re insta lla tion  
The following steps are recommended for installing stereo hardware  
packages for use with a multi-channel hp visualization center sv6  
solution. The same principles apply to single channel configurations.  
1. Un p a ck a n d in ven tor y com p on en ts  
Emitters should have a stereo-sync BNC type connector and a 9-pin  
D-sub connector for the separate power transformers. BNC coaxial  
type cables are necessary for signal transfer between the graphics  
card and the emitters. BNC T” connectors are often used to split  
stereo signals from the controller card on the compositor to several  
emitters.  
2. En su r e eye w ea r is fu n ction in g a n d clea n  
Follow the manufacturers suggestions for cleaning the eye wear.  
3. Position em itter in view in g a r ea  
For hp visualization center sv6 systems that use monitors as display  
devices, one emitter is usually sufficient for small groups. The  
emitter is usually placed strategically on top of the users console  
monitor(s) in the center of the users direction of gaze.  
If more than one emitter is needed, they are usually positioned such  
that the coverage angles (approximately 90 degrees horizontal arc,  
40 degrees vertical arc) are sufficient for audience members to see”  
at least one infrared emitter when viewing a screen.  
Always ensure that the sight line between an emitter and sensor on  
the eye wear is unobstructed from all relevant angles of view.  
4. Con n ect em itter s to th e Com p ositor  
Recommended signal distribution from the graphics cards to  
emitters is from a single point (the compositor controller card on the  
master system) to the emitters. Emitters are serially connected  
(daisy chained) with T” BNC connectors using coaxial (BNC tipped)  
cables between emitters.  
Under normal circumstances, the master systems compositor drives  
one active stereo emitter. Greater numbers of emitters or longer  
cable lengths may require signal amplification. Consult the stereo  
equipment vendor for more information  
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stereo hardware installation  
Connect power supply transformers to their respective emitters at  
this stage. As with all computer equipment, emitters should be  
surge-protected from hazardous power spikes wherever possible.  
CAUTION  
It is recommended that all emitters be powered OFF when  
connecting or disconnecting their cables to any other equipment.  
This can reduce the possibility of harmful power surges to other  
equipment when handling this signal source.  
5. Pow er u p th e em itter s  
The power switch for emitters is located on the back side of the  
device. The switch has three positions -- high, off, and low power. It is  
recommended that you use the high power position to improve signal  
performance, especially in rooms with high ambient light or that  
accommodate larger audiences.  
c ha ng ing to ste re o m onitor m od e  
Use the following instructions to change graphics cards and compositor  
settings to a stereo mode.  
1. Ad d Scr een Op tion  
log in to the master system as root  
init 2  
In addition to the SlsdVideo resolution settings or the videotiming  
file specified in /etc/X11/X0screens, add one of the following lines  
under the ScreenOptions section:  
SlsdCompositorStereo Active  
SlsdCompositorStereo Passive  
Save the /etc/X11/X0screensfile  
2. Sta r t u p th e n ew X ser ver :  
init 3  
This will set all graphics cards in the configuration to the new stereo  
setting and then bring up CDE.  
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stereo hardware installation  
See /usr/lib/X11/Xserver/misc/slsd/videotiming/for  
videotiming files.  
ve rific a tion  
The synchronized stereoscopic feature can be tested with the  
simple_stereo example OpenGL application located at:  
/opt/graphics/OpenGL/demos/stereo/simple_stereo.c  
To test stereoscopic output, complete the following:  
First compile the source code in an appropriate directory. (Executable  
provided for run-time only environments.)  
Log in and execute application  
Figu r e 2-22  
Sim p le ster eoscop ic a p p lica tion  
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optimization  
op tim iza tion  
Ap p lica tion su ggestion s  
— Applications that primarily use display lists for rendering,  
perform best on the hp visualization center sv6 systems.  
— The use of vertex arrays by the application can also be helpful in  
cases where it is not possible to use display list.  
— Immediate mode applications are likely to run slower because of  
the excessive network traffic. Use pass through mode to  
overcome this issue.  
Usin g NF S to m ou n t h a r d d r ives  
— All applications and models should be installed on the master  
system for the best performance  
— If extra disk space is needed, adding an additional hard drive to  
the master system is recommended. As an alternative, the hard  
drives of the slave machines may be mounted using the standard  
NFS commands or by running HPs System Administration  
Manager (SAM) as follows:  
CAUTION  
This may slightly increase the wait time during loading and  
hard drive access.  
— Run SAM; choose Networking and Communications,  
Networked File Systems then Export or Mount the hard  
drive you want to share.  
See the Help menu for more details  
Op tim izin g p er for m a n ce  
For each application and model type, try experimenting with some  
different screen layout x and y offsets and other setpipes options. By  
adjusting the pipe rectangle slices to fit the models proportions, you  
can maximize the rendering performance.  
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Acceler a te Mod e - See the README.* setpipes files for  
instructions for specifying a screen layout in accelerate mode.  
/opt/graphics/OpenGL/sv/doc/README.*setpipes  
Pa n es - In this screen layout, the center of the screen is  
sub-divided into one of the basic layouts: grid, horizontal slices,  
or vertical slices. Four larger screen rectangles form the outside  
borders of the screen. Use one of the setpipes tools to select the  
panes layout. By putting the smaller screen rectangles over the  
center where rendering demands will probably be greatest, you  
can achieve faster performance.  
At this time, this functionality only works for 8- and 16-pipe  
systems. For 8-pipe configurations (accelerate mode only) set  
samples=1, and for 16-pipe samples=2 (mixed mode only).  
In this 16-pipe example, there are two 3D rendering nodes  
accumulated to display to each screen rectangle. More of the  
computing resources are focused on the center where there is  
more geometry to be rendered  
Figu r e 2-23 Pa n es  
X a n d y offset a d ju stm en ts - Use the xadvsetpipestool (see  
/opt/graphics/OpenGl/sv/doc/README.xadvsetpipes) to  
adjust the size of the screen rectangles. Place the smaller  
rectangles over the areas where rendering demands will be the  
greatest. For example, you may choose to expand the top screen  
rectangle to be very large if that region doesnt have very much  
geometry as pictured in Fig. 2-26.  
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Figu r e 2-24 X a n d Y Offset Ad ju stm en ts  
En vir on m en t Va r ia bles - use the following environment  
variable to measure and compare performance:  
HPOGL_LOG_FRAME_RATE - Is an application environment  
variable, which can be used to get a display of the frame rate for  
bench marking and performance comparisons.  
On the master system at a command line prompt:  
export HPOGL_LOG_FRAME_RATE=1  
From the same prompt, run the application you wish to measure  
Move something in the application window and watch for frame  
rates in the window where the prompt is.  
When finished:  
unset HPOGL_LOG_FRAME_RATE  
Pixel Zoom - when HPOGL_DSM_DISABLE_FAST_ZOOM is  
enabled, the OpenGL Pixel Zoom rendering reverts to its  
previous slower behavior. If you want to determine the amount of  
this Pixel Zoom performance tuning, set this environment  
variable and compare with not setting it. This feature was  
released in software version 0201 in January 2002.  
Example:  
To see the slower mode:  
export HPOGL_DSM_DISABLE_FAST_ZOOM=1  
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optimization  
The default is for fast zoom to be enabled. To put it back to its  
original setting:  
unset HPOGL_DSM_DISABLE_FAST_ZOOM  
The environment variable HPOGL_OPT_CACHE_MATRICEScan be  
used with any application, but has the most impact on  
applications that benefit from matrix caching. Matrix caching is  
an optional client side optimization that detects successive  
glPushMatrix(), glMultMatrix(), render, render,  
glPopMatrix()sequences where the exact same matrix is  
redundantly sent.  
To enable this feature, set the environment variable before  
running the application:  
export HPOGL_OPT_CACHE_MATRICES=1  
Op tim izin g im a ge qu a lity  
By adjusting the number of pipes used for accumulation (using  
setpipes) and turning on hardware scene anti-aliasing (described  
below), you can maximize the image quality.  
Accu m u la te Mod e - See the  
/opt/graphics/OpenGL/sv/doc/README.*setpipesfiles for  
instructions on specifying an accumulate mode screen layout. This  
can be done with either a GUI or via command line options.  
There are two methods of turning scene anti-aliasing on and off for  
10  
fx graphics cards in your hp visualization center sv6 workstations:  
Meth od #1:  
The environment variables, HPOGL_FORCE_SCENE_AA and  
HPOGL_FORCE_SCENE_AA_DBL can be used by any application  
without any code changes. The first one forces all 24-bit OpenGL  
rendering to be scene anti-aliased and the second one restricts scene  
anti-aliasing to only double buffered visuals.  
This will turn on scene anti-aliasing for all OpenGL applications. To  
enable one of these, add it to the Environment section of the  
/etc/X11/X0screensfile then restart the X server.  
Meth od #2:  
An application can turn on/off scene anti-aliasing on the fly by using  
the OpenGL calls:  
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glEnable(GL_SUPERSAMPLE_HP);  
glDisable(GL_SUPERSAMPLE_HP);  
CAUTION  
Depending upon application frame rates and window size, enabling  
scene anti-aliasing can impact performance significantly. With low  
frame rates and/or small windows, the performance impact is minor  
(5% or less). Also, when scene anti-aliasing is turned on, there is  
much less fx10 memory available for caching texture maps, so this  
can also impact rendering performance.  
p a ss throug h m od e  
Applications that run in OpenGL immediate mode rather than running  
in display list mode do not scale well in performance. Immediate mode  
applications tend to run slower when executed on the sv6 architecture  
due to excessive network traffic.  
To provide the best performance for immediate mode applications  
running on sv6 systems, a special mode called pass through mode” has  
been implemented. When an application runs in pass through mode on  
an sv6 system, it bypasses the sv6 architecture and runs as if it were  
executing graphics on a standard workstation. This is the optimal mode  
for executing immediate mode OpenGL code on an sv6 configuration.  
To enable pass through mode, simply set this variable right before you  
run the application then unset it before you start any other applications  
from the same shell:  
Example (for Korn Shell):  
export HPOGL_PASS_THROUGH=1  
/applications/abc/run_abc  
unset HPOGL_PASS_THROUGH  
or (for C Shell)  
setenv HPOGL_PASS_THROUGH 1  
/applications/abc/run_abc  
unsetenv HPOGL_PASS_THROUGH  
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installation and user information  
optimization  
WARNING  
Do n ot a d d th is en vir on m en t va r ia ble to /etc/X11/X0scr een s. Th a t  
w ou ld d isa ble a ll sca lin g for ever yth in g r en d er ed to th e scr een .  
By a p p lyin g it on ly to th e d esir ed a p p lica tion , you ca n lea ve  
sca lin g en a bled for ever yth in g else n ot in sid e th e im m ed ia te  
m od e a p p lica tion s w in d ow s. In sh or t, you sh ou ld n ever set th is  
va r ia ble so th a t it is a p p lied to you r u ser or system en vir on m en t.  
It MUST be a p p lied sp ecifica lly to th e in voca tion of a p p lica tion s  
th a t r equ ir e it. A good w a y to d o th is is to set it in a scr ip t, w h ich  
in vok es th e a p p lica tion .  
g a m m a c orre c tion in p a ss throug h m od e  
The hp visualization center sv6 supports 3-channel gamma correction  
(i.e. red, green, and blue can all be controlled individually). However,  
pass through mode only allows for 1-channel gamma correction. To allow  
for normal sv6 mode and pass through mode to co-exist, the pass through  
mode simply uses the sv6's red gamma channel as the pass through  
gamma correction value for red, green, and blue.  
p a ss throug h m od e on a multi-c ha nne l sv6  
A side effect of pass through mode is that an application cannot use the  
full area of a multi-channel display such as a power-wall. This is because  
the application is operating exactly as it would on a standard desktop  
workstation, and so it has no access to the sv6 channels, which are driv-  
ing other monitors or projectors in the display. The result of this is that  
an application in pass through mode is constrained to the area of the dis-  
play handled by the channel driven by the application master worksta-  
tion. Typically, for a two- or three- channel system, this is the left-most  
channel. Furthermore, if the display is projected and uses edge-blending  
technology for a seamless image, the overlap region may prove  
out-of-bounds too, because the brightness of the applications window  
will fall off as it approaches the edge of the channel (because its pixels  
are not duplicated in the channel next to it). Therefore it may be neces-  
sary to resize the window a little to ensure that it doesnt enter the blend  
region.  
Note that applications that do not require pass through mode can use  
any region of the full multi-channel display, and are not affected by pass  
through applications that may be running at the same time.  
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installation and user information  
optimization  
g a m m a va lue  
Another way to fine-tune the image quality is to adjust the gamma  
correction. Specify the default values to be used for 3D gamma  
correction. using the instructions in the  
/opt/graphics/OpenGL/sv/doc/README.gamma file.  
HP OGL_P USH _ENVIRONMENT  
To override the default environment specified in the SlaveEnvironment  
section of the /etc/X11/X0screensfile, have the application startup  
script set HPOGL_PUSH_ENVIRONMENT.  
By setting HPOGL_PUSH_ENVIRONMENT, all HPOGL* environment  
variables are passed across to the slave nodes. With this mechanism,  
each application can have its own individual environment. In the  
absence of HPOGL_PUSH_ENVIRONMENT, slave environments  
default to X0screens settings at the time that the Xserver was started.  
As an example, assume X0screens has:  
SlaveEnvironment  
HPOGL_FORCE_SCENEAA=1  
HPOGL_LIGHTING_SPACE=EC  
Application abcs startup script contains:  
export HPOGL_BOUNDING_VOLUME_ENABLE=1  
export HPOGL_BOUNDING_VOLUME_GLOBAL=1  
export HPOGL_BVOL_MIN_VERTS=5  
export HPOGL_BVOL_MAX_VERTS=10  
export HPOGL_PUSH_ENVIRONMENT=1  
/opt/apps/abc  
For this example, application abc will run with the four variables set in  
its environment and WILL NOT have HPOGL_FORCE_SCENEAA or  
HPOGL_LIGHTING_SPACE=EC set.  
Any other application that is run without  
HPOGL_PUSH_ENVIRONMENT will have only the X0screens values.  
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3
file c ong ura tion  
You must be logged in as root to edit the following files. These are  
samples and based on an 8-pipe configuration, but can be modified for  
any of the supported configurations. During the software installation  
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file configuration  
process, all of the following files are automatically configured. Use these  
instructions to verify that all files are customized appropriately for any  
hardware changes, hostnames or IP addresses that were made.  
/.rhosts - Editing this file allows root access to other systems.  
Root permissions are required to edit many of the configuration files  
described in this section. It is very handy to allow root access to all  
systems so its easy to use remsh to access each of them. A copy of  
this file is on each system.  
Optionally, you may choose to remove this file from each system to  
disallow root access from other systems.  
svm root  
sv1 root  
sv2 root  
sv3 root  
sv4 root  
sv5 root  
sv6 root  
sv7 root  
sv8 root  
/etc/X11/X0screens- Edit the X0screens file on the MASTER  
ONLY!  
— There is a sample X0screens file template for each supported  
hardware configuration. Use these templates to create the  
/etc/X11/X0screensfile to be used to configure the X server.  
For example, if you had an 8-pipe, two channel system (18  
workstations displaying to two monitors):  
To replace the existing X0screens file on the master system:  
cd /usr/lib/X11/xserver/misc/slsd/templates  
cp X0screens.p8c2 /etc/X11/X0screens  
Edit the file to change hostname and IP addresses. Add or  
remove comment delimiters (#) to enable the desired screen  
options or environment variables.  
— See /usr/lib/X11/Xserver/info/screens/hp for general  
X0screens syntax that is not hp visualization center sv6-specific.  
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file configuration  
CAUTION  
For networking to function properly, hostnames used in  
X0screens must match the hostnames and IP addresses in all  
other files described here.  
##############################################################  
# X0screens.p8c1  
# /etc/X11/X0screens  
##############################################################  
# See the template files under the  
# /usr/lib/X11/Xserver/misc/slsd/templates directory  
# for other options and syntax.  
##############################################################  
# X*screens Configuration  
# -----------------------  
# Place any additional/different configuration information  
# below. Shown is an example sv6 configuration  
SLSd  
sv1  
sv2  
sv3  
sv4  
sv5  
sv6  
sv7  
sv8  
svm  
SlaveLayout  
Mode Accelerate  
SlaveScreenOptions  
#DisableDma  
SlaveEnvironment  
#HPOGL_DLM_BOUNDING_VOLUME_GLOBAL=1  
# This can be set for applications whose display lists do NOT  
# contain any state setting commands that must persist after  
# the lists are called. Setting this when applicable can  
# increase performance significantly.  
#HPOGL_FORCE_SCENEAA=1  
#HPOGL_FORCE_SCENEAA_DBL=1  
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file configuration  
# These variables turn on FX10 Scene Antialiasing. For  
# applications that do UI in OG (e.g. Icem Surfe) the second  
# should be used to limit SCENEAA to only double buffered  
#visuals.  
#HPOGL_DISABLE_FAST_BUFFER_SWAP=1  
# If image tearing is noticeable, this will force all FX10's to  
# wait for vertical retrace before buffer swapping. Setting  
# this can cause performance degradation especially in high  
#frame rate situations.  
#HPOGL_BV_OCCLUSION_CULL=1  
# By default, display-list view frustrum culling is enabled on  
# all VIS Center and sv6 configurations. Setting this variable  
# will cause a secondary occlusion cull test to be done  
# whenever geometry passes the view frustrum test. This  
# typically is only effective for applications that render  
# models using an outside-to-inside ordering.  
#HPOGL_BV_LINE_MODE_CULL=1  
# Forces a line mode occlusion cull test rather than the  
# default filled quad mode test.  
/etc/inittab- Change the init level to init state 4 on the  
master. Leave the other workstations at the default, init state 2.  
With these settings, CDE will start up after a reboot.  
#/etc/inittab  
init:4:initdefault:  
/etc/hosts - Update this file on ALL systems if it is changed.  
— This file contains hostnames and IP addresses used by the  
private Gigabit LAN. It also contains a second set of hostnames  
and IP addresses for the 10/1000 external LAN.  
The 192.168.1.* prefix is the static IP address.  
— Gigabit IP addresses are assigned in the same order as the  
machines are seated in the rack. i.e. the master system, svm, is  
at the bottom of the rack and is plugged into the left-most card in  
the Gigabit Ethernet switchbox and gets assigned the IP  
192.168.1.1.  
— These IP addresses MUST match the IP in each systems  
/etc/rc.conf.d/netconffile.  
— The standard 127.0.0.1 loopback for the Gigabit LAN Ethernet  
switchbox must also be included.  
#/etc/hosts  
# @(#)hosts $Revision: 1.9.214.1 $ $Date: 96/10/08 13:20:01 $  
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file configuration  
# The form for each entry is:  
# <internet address> <official hostname> <aliases>  
# For example:  
# 192.1.2.34 hpfcrm loghost  
# See the hosts(4) manual page for more information.  
# Note: The entries cannot be preceded by a space.  
#DNS Server (optional)  
15.6.180.221  
15.1.170.0  
dsnx.my.site  
myvis  
dsnx  
#10/100 Ip8 hostname  
127.0.0.1  
localhost  
loopback  
#sv6 10/100 LAN host information  
#Automatically generated, customize for your site.  
15.1.170.1  
15.1.170.2  
15.1.170.3  
sv1x  
sv2x  
sv3x  
sv1x  
sv2x  
sv3x  
.
.
.
15.1.170.8  
sv8x  
sv8x  
#sv6 Gigbit host information  
# Do not change  
192.168.1.1  
192.168.1.2  
192.168.1.3  
192.168.1.4  
192.168.1.5  
192.168.1.6  
192.168.1.7  
192.168.1.8  
svm  
sv1  
sv2  
sv3  
sv4  
sv5  
sv6  
sv7  
192.168.1.9  
sv8  
/etc/rc.config.d/netconf- On all systems, the lan1 section  
specifies the IP address that corresponds with the HP ProCurve  
Gigabit Ethernet module (J 4115B) that was assigned in the  
/etc/hostsfile. The lan0 section and hostname specify the 10/100  
LAN information.  
#/etc/rc.config.d/netconf  
# netconf: configuration values for core networking subsystems  
HOSTNAME=”svm”  
OPERATING_SYSTEM=HP-UX  
LOOPBACK_ADRESS=127.0.0.1  
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file configuration  
INTERFACE_NAME[0]="lan0"  
IP_ADDRESS[0]="16.6.176.65"  
SUBNET_MASK[0]="255.255.255.0"  
BROADCAST_ADDRESS[0]=""  
INTERFACE_STATE[0]=""  
DHCP_ENABLE[0]=0  
INTERFACE_NAME[1]="lan1"  
IP_ADDRESS[1]="192.168.1.9"  
SUBNET_MASK[1]="255.255.255.0"  
BROADCAST_ADDRESS[1]="192.168.1.255"  
INTERFACE_STATE[1]=""  
DHCP_ENABLE[1]=0  
/etc/rc.config.d/slsd- This file enables the SLS/d daemon.  
After all reboots, the daemon will start automatically.  
#************* File: /etc/rc.config.d/slsd ****************  
#SLSd configuration. See /usr/lib/X11/Xserver/info/screens/hp  
#SLSD_DAEMON:Set to 1 to start Distributed Single Logical Screen  
#daemon. Set to 0 to disable Distributed Single Logical Screen  
#daemon  
SLSD_DAEMON=1  
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4
p roje c tor c a lib ra tion ta rg e ts  
These calibration targets are for multi-channel hp visualization center  
sv6 systems using projectors as output devices. They are provided here  
as a courtesy. Contact your display vendor for instructions on how to  
install, configure, and calibrate projector equipment.  
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projector calibration targets  
how to use projector calibration targets  
Copyright © 1999 Hewlett-Packard Company  
The following grids are general setup and calibration targets exclusively  
for Hewlett-Packard visualization center systems when used with  
projector systems. All rights reserved. All other uses are expressly  
forbidden.  
how to use p roje c tor c a lib ra tion ta rg e ts  
The following six targets at 256 x 256 resolution are provided under  
/.dt/backdropson the master workstation.  
hp_circ.pm (Fig. 4-1)  
hp_line.pm (Fig. 4-2)  
hp_gray.pm (Fig. 4-3)  
hp_colr.pm (Fig. 4-4)  
hp_eye1.pm (Fig. 4-5)  
hp_eye2.pm (Fig. 4-6)  
All files tile to be compatible with the following setup resolutions (or  
complete multiples of these dimensions):  
A) 1280 X 1024  
B) 1024 X 768  
The above files are for use with the HP-UX Common Desktop  
Environment (CDE). They are formatted as pixmap files to be tiled as  
backdrops for an installer's account. To use, perform the following:  
1. Extract the files from the tar format files with;  
cd /.dt/backdrops  
2. Copy the necessary files into local user directory:  
$HOME/.dt/backdrops  
3. Ensure that the current graphics mode is correct for the desired  
calibration (for example, 1280x1024 by 75Hz).  
4. Select the Style Manager from the Front Panel .  
5. Select the Color option from the Style Manager.  
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projector calibration targets  
how to use projector calibration targets  
6. To perform the calibration session, select More Colors for Desktop  
option in the Number of Colors To Use menu.  
7. Confirm Okay to both of the menus and return to the Style Manager.  
8. Move to any part of desktop not in a window and click right mouse  
button - select Restart Workspace Manager... to allow color  
allocation increase to apply.  
9. Select the Backdrop option from the Style Manager.  
10. It may take some time to open the menu as CDE will scan the large  
files to add them to the file browser. Open when ready.  
11. Select the appropriate backdrop to display as depicted in the  
following page. Select the Apply button to make it the current  
backdrop.  
12. Iconify windows and menus to expose the backdrop for the projector  
technician.  
13. Repeat process to apply other grids as necessary. Change monitor  
modes when necessary.  
14. When finished with all calibrations, return Number of Colors to Use  
back to its original setting (most likely Default).  
Figu r e 4-1  
h p _cir c.p m 128x128 cir cles (tiled exa m p le sh ow n )  
128 x 128 circles, grids, and diagonals to measure convergence and  
adjust projection geometry.;  
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projector calibration targets  
how to use projector calibration targets  
Figu r e 4-2  
h p _lin e.p m 64X64 gr id lin es (tiled exa m p le sh ow n )  
64 x 64 grids for horizontal and vertical convergence.  
Figu r e 4-3  
h p _gr a y.p m gr a y sca le (tiled exa m p le sh ow n )  
16 step gray scale on horizontal axis with 0-255 indicators to compute  
brightness.  
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projector calibration targets  
how to use projector calibration targets  
Figu r e 4-4  
h p _color.p m color sca le (tiled exa m p le sh ow n )  
White, yellow, cyan, green, magenta, red, blue, black color bars.  
Figu r e 4-5  
h p _eye1.p m eye ch a r t #1 (tiled exa m p le sh ow n )  
Fine grain eye-chart” style letters for fine tuning and alignments.  
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projector calibration targets  
how to use projector calibration targets  
Figu r e 4-6  
h p _eye2.p m eye ch a r t #2 (tiled exa m p le sh ow n )  
Additional capital E” letters for display alignments.  
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A
hp sc a la b le visua liza tion d ig ita l  
c om p ositor  
The hp scalable visualization digital compositor (A6061A) is a hardware  
component designed specially for scalable visualization. It consists of a  
Appendix A  
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hp scalable visualization digital compositor  
compositor cards  
rack mountable box containing a fourteen-slot backplane. Into the  
backplane, three types of cards can be inserted: a controller card, an  
input card and output cards.  
c om p ositor c a rd s  
The compositor must contain one controller card. It is responsible for  
initializing the system, updating firmware, and communicating with the  
master Workstation to update state information (mode, video rates, video  
stream state, etc.). This card also accepts the stereo sync signal from the  
graphics card on the master Workstation and produces the stereo sync  
needed by active stereo emitters. It also controls the power switch, fan,  
and status LEDs. After initialization, it only monitors the fan, power  
supply, and sets the LEDs.  
The input card has connections for two video input streams. In a scalable  
visualization system, one input is used for the 2D stream while the  
second input on that card is used for 3D. Some number of additional  
input cards are used for 3D streams. The input card is responsible for  
taking in digital video streams, down-sampling the data (in  
super-sample scene anti-aliasing mode) and inserting the data into the  
appropriate location of an internal frame buffer (in all modes) while  
summing the data with the original frame buffer contents (in jitter scene  
anti-aliasing mode). This frame buffer is then sent to the next input card  
for insertion of its data. The final stage is for the 2D channel to  
optionally average the data (divide by the number of 3D input streams  
when in jitter mode), overlay its 2D rendering stream data and mask off  
the non-3D data from the previous input cards.  
The output card takes the composited image and produces a digital or  
analog output signal that is appropriate for the display on a flat panel or  
monitor. For a given display there can be two output cards. Two are used  
to convert the sequential left/right image data from active stereo into a  
parallel left image and a right image needed for passive stereo. To  
support this, output card #1 has a frame buffer for holding the left image  
while output card #2 receives the right image. When the correct left and  
right images are completely received they are displayed simultaneously  
while new left/right images are received.  
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hp scalable visualization digital compositor  
compositor cards  
Figure A-1 shows the various cards contained in a scalable visualization  
system with the identification of the connectors on the boards.  
Figu r e A-1  
Com p ositor Ca r d s  
controller card  
output card  
input card  
DVI input 1  
LEDs  
serial connect  
LEDs  
stereo sync I/O  
DVI video out  
LEDs  
analog video out  
DVI input 2  
Figure A-2 shows a view of the compositor backplane with one controller  
card, one output card, and three input cards. This configuration would  
support a single display with four 3D rendering pipelines.  
Appendix A  
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hp scalable visualization digital compositor  
compositor cards  
Figu r e A-2  
Com p ositor Ba ck p la n e  
Output Card  
Input Cards (3)  
Controller Card  
The scalable visualization solution supports both single screen and  
multi-screen configurations. In a multi-screen configuration multiple hp  
visualization center sv6 clusters, each with its own compositor, are used  
(as opposed to multiple output cards for a single display to support  
passive stereo).  
Figure A-3 shows an example of a compositor backplane configuration  
(looking at it from the back at where the cables attach), one for an 8-pipe,  
single display system.  
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hp scalable visualization digital compositor  
compositor cards  
Figu r e A-3  
c om p ositor p a rts list  
Ta ble A-1  
Pa r t No.  
Descr ip tion  
A6061-66510  
A6061-66520  
A6061-66530  
A6061-66540  
0950-3978  
Compositor controller card  
Compositor backplane  
Digital input card  
Digital output card  
320W power supply  
A6061-63001  
A6061-63002  
A6061-63003  
Cable-3Pin, DIN to BNC  
Cable-6M Serial, DB9 Male/Female  
Cable-3M D  
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hp scalable visualization digital compositor  
compositor cards  
c om p ositor c ong ura tions  
Figu r e A-4  
Individual compositor configurations are listed below from left to right  
corresponding to slots 1 - 14 respectively:  
Ta ble A-2  
3D P ip es/Ch a n n el 1 Ch a n n el  
2 Ch a n n els  
3 Ch a n n els  
4
XOOIIIXXXXXXXP  
XOOIIIIIXXXXXP  
XOOIIIIIIIIIXP  
XOOIIIIIXXXXXP (x 2  
Compositors)  
XOOIIIIIXXXXX P (x 3  
Compositors)  
8
XOOIIIIIXXXXXP (x 2  
Compositors)  
XOOIIIIIXXXXXP (x 3  
Compositors)  
16  
XOOIIIIIIIIIP (x 2  
Compositors)  
XOOIIIIIIIIIXP (x 3  
Compositors)  
O = Output Card, I= Input Card, P= Controller Card, X= Empty Slot  
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hp scalable visualization digital compositor  
sv6 compositor frame delay  
sv6 c om p ositor fra m e d e la y  
This feature allows you to control when video frames are sent to the  
output device. The compositor is instructed to delay the output of the  
left-most (when viewed from the rear of the system) output card by one  
frame.  
Some digital projectors internally delay the video display by one video  
frame. If a display is also connected to an hp visualization sv6 system,  
the display will be one frame ahead of the projector video. In many cases  
this is not an issue. However, if the compositor is driving an active stereo  
display (using stereo emitters and active glasses) the projector is  
displaying one eye, and the display is displaying the other eye at the  
same time. Using a single set of emitters, it is not possible to get an  
accurate stereo image on both the projector and the display.  
Enabling frame delay tells the compositor to delay the output of the  
video signal going to the display device, thus causing the display and  
projector to match.  
To enable this feature:  
1. Add the ScreenOption SlsdCompositorEnableOutputFrameDelay to  
/etc/X11/X0screens.  
2. Connect the display to the left-most (when viewed from the rear of  
the system) compositor output card.  
3. Connect the projector to the right-most (when viewed from the rear  
of the system) compositor output card.  
4. Move the stereo emitter connectors from the back of the compositor  
10  
to any fx graphics cards in the sv6 workstations. This shifts the  
emitter signals by one frame so theyre in synch with the output  
devices.  
5. Update to April 2002 or later sv6_enhancementssoftware.  
Download the latest from  
http://www.hp.com/go/workstationsupport  
Run the install_sv6_enhancementsscript to install it to all  
systems in the configuration.  
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hp scalable visualization digital compositor  
sv6 compositor frame delay  
6. Update compositor firmware. This will apply the latest firmware  
updates included in the sv6_enhancementssoftware. Compositor  
firmware released earlier than April 2002 does not support frame  
delay.  
cd /opt/graphics/OpenGL/sv/firmware/sv6/  
./loadfw  
NOTE  
This mode is invalid with passive stereo.  
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hp scalable visualization digital compositor  
compositor self-test sequence  
com p ositor self-test sequ en ce  
introd uc tion  
All compositor cards are assumed to be fully functional before they are  
installed in a compositor chassis. They are all individually and  
functionally tested at the manufacturer. Once they are installed in the  
compositor backplane, however, they could fail by not being seated  
properly or by having bent bus pins. This test is a check of backplane  
connections to ensure that they are functional. This test is simply pass /  
fail, with the only feedback being which card failed.  
inte rfa c e  
This test uses the standard serial communications to the Field  
Programmable Gate Arrays (FGPA) on the controller card. Both  
controller FPGAs have registers allowing the controller to read the data  
values on the video data bus input pins. One of the two FPGAs also has  
the ability to drive a test value onto its video data bus output.  
p roc e d ure  
This test is performed as part of the compositor initialization on  
power-up. First, the controller steps through all of the slots on the  
backplane, identifying the card type. At this point. invalid configurations  
are identified. Invalid configurations consist of configurations that have  
an output card with no card before it or an input card that has no card  
after it.  
If the configuration is valid, then all cards are programmed. Card  
programming is verified by a successful serial transfer to each FPGA  
after programming. If a card fails the serial transfer test, it is identified  
as a failure. If one or more FPGA fails the serial transfer test, compositor  
initialization is aborted, and the failing cards are identified.  
The ability of the cards to be configured and then communicate, tests all  
of the control signals to the cards. The video data bus remains to be  
tested. The controller tests these signals by instructing each FPGA to  
drive a specific bit pattern onto the video data bus, using the bus test  
registers. These test values are then read by the following I/O cards, and  
Appendix A  
105  
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hp scalable visualization digital compositor  
compositor self-test sequence  
the values should match. If the value does not match, two failing cards  
are identified, the one driving the test value and the one receiving the  
test value, as it is impossible to determine which of the two cards has the  
failing bus connection.  
te sting outp ut or inp ut c a rd s  
The test can have two results. One is success. The other is failure, along  
with a list of one or more cards that failed. This result is accessible to the  
host through the compositor protocol. The result is also available without  
the host. A successful test puts the cards into normal operation. If the  
test fails, the speaker on the compositor sounds a long, low-pitch, failure  
beep. If the controller has the ability to talk to the failing card or cards, it  
will set the LEDs to red. This way the operator will be able to visually  
identify failing cards.  
te sting c ontrolle r c a rd s  
This procedure does not do any specific test of the controller card  
backplane connections. Being a single connector, and having a position  
that is the same for all configurations, it is believed that failure of the  
card upon installation is unlikely. In the event there is a bent pin or a  
poorly seated controller card, it is likely that the controller card will not  
function at all, since it controls the power switch and the processor that  
can test the other cards. Although very unlikely, it is possible that an  
input or output card that fails the test may actually be a failure of one of  
the pins on the controller card.  
The test procedure depends of a few of the bus connections in order to  
detect that a card is present in a slot. If one of these critical signals is  
shorted or open, the test may miss a failure by not knowing that a card is  
even in the slot, or the test may misidentify a card.  
LED ind ic a tors  
LED1  
Ca r d LEDs  
ON=Compositor ready  
Green = Working and connected  
Yellow = Cable not connected, no signal  
Red = Unintialized or ERROR  
OFF= Compositor not ready  
106  
Appendix A  
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B
hp m ini-sv6 c ong ura tion  
The mini-sv6 system is a low-cost, single channel configuration. An  
additional graphics card is installed in the j6700 master system which  
takes the place of a 3D render node. The other three render nodes are hp  
b2600 workstations.  
Appendix B  
107  
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hp mini-sv6 configuration  
mini-sv6 configuration  
This configuration allows a trade-off between the amount of rendering  
performance and cost. It falls between a stand-alone workstation and a  
standard 4-pipe sv6 configuration. For many uses, such as conference  
room demonstrations, this is the perfect amount of cost/performance  
scaling.  
m ini-sv6 c ong ura tion  
4-pipe sv6:.  
five hp j-class workstations (one graphics card each)  
3-pipe mini sv6:. one hp j6700 workstation (two graphics card each)  
three hp b2600 workstations (one graphics card each)  
Figu r e B-1  
m in i sv6 con figu r a tion  
Besides the X0screens file, the mini-sv6 is configured and used exactly  
the same way as any other sv6 system. The following is a sample  
configuration file for a 3-pipe mini-sv6:  
108  
Appendix B  
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hp mini-sv6 configuration  
mini-sv6 configuration  
#************* File: /etc/X11/X0screens ********************  
ServerOptions  
Slave  
Hostname svm  
ID svm_2d  
Device /dev/crt0  
End  
Slave  
Hostname svm  
ID master_3d  
Device /dev/crt1  
End  
Slave  
Hostname sv1  
ID slave1_3d  
Device /dev/crt  
End  
Slave  
Hostname sv2  
ID slave2_3d  
Device /dev/crt  
End  
Slave  
Hostname sv3  
ID slave3_3d  
Device /dev/crt  
End  
SLSd  
master_3d  
slave1_3d  
slave2_3d  
slave3_3d  
svm_2d  
SlaveLayout  
Mode Accelerate  
# ***************************************************  
See the template file at  
/usr/lib/X11/Xserver/misc/slsd/templates/XOscreens.p3c1  
for details.  
Appendix B  
109  
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hp mini-sv6 configuration  
mini-sv6 configuration  
110  
Appendix B  
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C
re g ula tory inform a tion  
Appendix C  
111  
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regulatory information  
Decla r a tion of Con for m ity  
a ccor d in g to ISO/IEC Gu id e 22 a n d EN 45014  
Ma n u fa ctu r er :  
Hewlett-Packard Company  
3404 East Harmony Rd.  
Fort Collins, CO 80528  
USA  
Decla r es th a t th e:  
P r od u ct Na m e:  
hp visualization center sv6  
Ba se P r od u ct Nu m ber :  
P r od u ct Op tion s:  
A6062A  
All  
con for m s to th e follow in g sp ecifica tion s:  
Safety  
IEC 950:1991+A1+A2+A3+A4+A11/EN 60950:1992+A1+A2+A3+A4+A11  
IEC 60825-1:1993/EN60825-1:1994+A11 Class 1 for LEDs  
USA 21CFR Subpart J – for FC Laser module  
China GB4943-1995  
Russia GOST R 50377-92  
EMC  
CISPR 11: 1997 / EN 55011: 1991 Class A  
CISPR 22: 1993 +A1+A2 / EN 55022: 1994+A1+A2 Class A  
EN 50082-1:1992 Also compliant with:  
IEC 1000-3-2: 1995 / EN 61000-3-2: 1998  
IEC 1000-4-2: 1995 +A1 / EN 61000-4-2: 1999 - 4kV CD, 8 kV AD  
IEC 1000-4-3: 1995 / EN 61000-4-3: 1996 - 10 v/m  
IEC 1000-4-4: 1995 / EN 61000-4-4:1995 -2 kV Signal, 4 kV Power Lines  
U.S. FCC Part 15, Class A  
Japan VCCI Class A  
Australia/New Zealand AS/NZS 2046.1/2:1992, AS/NZS 3548:1995, and  
AS/NZS 4251.1:1994  
China GB9254-1988  
Taiwan CNS13438 Class A  
Russia GOST R 29216-94  
a n d is cer tified by: UL Listed to UL1950, 2nd edition, File E146385  
cUL Listed to CSA 22.2 No. 950-M93  
TUV Certified to EN60950 2nd edition with A1+A2+A3+A4+A11  
HP Fort Collins CCQD HTC  
su p p lem en ta r y in for m a tion :  
The product herewith complies with the requirements of the following Directives and carries the CE marking  
accordingly:  
- the EMC directive 89/336/EEC and 92/31/EEC and 93/68/EEC  
- the Low Voltage Directive 73/23/EEC and 93/68/EEC  
This product was tested in a typical Hewlett-Packard workstation configuration.  
Original signed by Ruth Lutes, Site Quality Manager, Fort Collins, CO, USA  
For Compliance Information ONLY, contact: European Contact: Your local Hewlett-Packard Sales and Service  
Office or Hewlett-Packard GmbH, Dept. HQ-TRE Standards Europe, Herrenberger Strasse 130 Boeblingen  
(FAX: +49-7031-14-3143) Americas Contact: Hewlett-Packard, Fort Collins Site Quality Mgr., Mail Stop 64,  
3404 E. Harmony Road, Fort Collins, CO 80528, U.S.A.  
112  
Appendix C  
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regulatory information  
FCC radio frequency interference statement (USA only)  
FCC ra d io fre q ue nc y inte rfe re nc e sta te m e nt  
(USA only)  
NOTE  
This equipment has been tested and found to comply with the limits for a  
Class A digital device, pursuant to Part 15 of the FCC Rules and the  
Canadian Department of Communications. These limits are designed to  
provide reasonable protection against harmful interference when the  
equipment is operated in a commercial environment. This equipment  
generates, uses, and can radiate radio frequency energy and, if not  
installed and used in accordance with the instruction manual, may cause  
harmful interference to radio communications. Operation of this  
equipment in a residential area is likely to cause harmful interference in  
which case the user will be required to correct the interference at his own  
expense.  
Hewlett-Packards FCC Compliance Tests were conducted with  
HP-supported peripheral devices and HP shielded cables, such as those  
you receive with your system. Changes or modifications not expressly  
approved by Hewlett-Packard could void the users authority to operate  
the equipment.  
notic e for Ca na d a  
This Class A digital apparatus meets all requirements of the Canadian  
Interference-Causing Equipment Regulations.  
Cet appareil numérique de la Class A respecte toutes les exigences du  
Règlement sur le matériel brouilleur du Canada.  
sa fe ty wa rning for the USA a nd Ca na d a  
If the power cord is not supplied with the computer, select the proper  
power cord according to your local national electric code.  
USA: use a UL listed type SVT detachable power cord.  
Canada: use a CSA certified detachable power cord.  
For your safety, never remove the Workstations cover without first  
removing the power cord and any connection to a telecommunication  
network. Always replace the cover before switching on again.  
Appendix C  
113  
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regulatory information  
FCC radio frequency interference statement (USA only)  
Si le cordon secteur nest pas livré avec votre ordinateur, utiliser un  
cordon secteur en accord avec votre code electrique national.  
USA: utiliser un cordon secteur UL listed,” de type SVT.  
Canada: utiliser un cordon secteur certifié CSA.  
Pour votre sécurité, ne jamais retirer le capot de lordinateur sans avoir  
préalablement débranché le cordon secteur et toute connection à un  
réseau de télecommunication. Noubliez pas de replacer le capot avant de  
rebrancher le cordon secteur.  
notic e for the Ne the rla nd s  
Bij dit apparaat zijn batterijen geleverd. Wanneer deze leeg zijn, moet U  
ze niet weggooien maar inleveren als KCA.  
notic e for Ge rm a ny  
Wenn die Batterie nicht korrekt eingebaut wird, besteht  
Explosionsgefahr. Zu ihrer eigenen Sicherheit sollten Sie nicht  
versuchen, die Batterie wiederaufzuladen, zu zerlegen oder die alte  
Batterie zu verbrennen. Tauschen Sie die Batterie nur gegen den  
gleichen oder ähnlichen Typ aus, der vom Hersteller empfohlen wird. Bei  
der in diesem PC intergrierten Batterie handelts sich um eine  
Lithium-Batterie, die keine Schwermetalle enthält. Batterien und  
Akkumulatoren gehören nicht in den Hausmüll. Sie verden vom  
Hersteller, Händler oder deren Beauftragten kostenlos  
zurückgenommen, um sie einer Verwertung bzw. Entsorgung  
zuzuführen.  
noise d e c la ra tion for Ge rm a ny  
Lärmangabe nach Maschinenlärmverordnung - 3 GSGV (Deutschland)  
LpA < 70 db am Arbeitsplatz normaler Betrieb nach EN27779: 11.92.  
notic e for Ja p a n (Cla ss A)  
114  
Appendix C  
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regulatory information  
FCC radio frequency interference statement (USA only)  
notic e for Kore a  
notic e for Ta iwa n  
Appendix C  
115  
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regulatory information  
FCC radio frequency interference statement (USA only)  
116  
Appendix C  
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g lossa ry  
a cceler a te m od e - In this hp visualization center sv6 operating mode, each pipe renders  
only a fraction of the screen, thus speeding up rendering performance.  
a ccu m u la te m od e - In this hp visualization center sv6 operating mode, image quality is  
improved. Each pipe generates the complete scene, jittered by sub-pixel values. These jittered  
images are then averaged together to get a better quality image. This mode is sometimes  
117  
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glossary  
active stereo -  
referred to as the anti-aliasing mode. The  
more graphics-enabled workstations you  
add, the more samples can be taken, and the  
better the image quality gets.  
command.The Compositors official product  
name and HP Part Number are: Scalable  
Visualization Digital Compositor A6061A.  
d isp la y - A single monitor or other type of  
a ctive ster eo - Standard stereo capability  
where glasses/emitter switch back and forth  
between the left and right eye to make an  
image appear to have depth on the z-axis of  
the screen.  
output device  
DVI - Digital Video Interface. Connectors  
for digital video input and output devices.  
ga m m a cor r ection - Corrects color values  
emitted by the Compositor to compensate for  
the non-linear response of various display  
devices. Apply gamma correction using the  
gamma tool  
CAT 5 ca ble - Regular twisted pair LAN  
cable. This is the standard rating for the  
cables used to connect hp visualization  
center sv6 10/100 Base-T network  
components. For the purposes of hp  
visualization center sv6, we use standard  
RJ 45 connectors on the ends of the cable.  
CAT 6 cables can be used instead.  
(/opt/graphics/common/bin/gamma) or by  
setting GammaValueRed, Green and Blue  
values in the /etc/X11/X0screensfile.  
See/opt/graphics/OpenGL/sv/doc/README.  
gammafor more details.  
CAT 6 ca ble - LAN cable with a higher  
rating for faster network traffic. These  
cables are used for copper Gigabit switches.  
They also use standard RJ 45 connectors.  
DVI ca ble - Digital Video cable that  
connects the graphics card on the  
workstation to the input card on the  
compositor (A6061A). These are typically  
wide, white cables.  
ch a n n el - One monitor or other output  
device. This term is also used to describe the  
video output signal that results in output to  
a single output display device.  
Giga bit Eth er n et LAN - Private,  
high-speed LAN that connects the  
Workstations in the hp visualization center  
sv6. The official product name is hp  
ProCurve Switch 8000M (J 4110A) or 4108gl.  
clu ster - Several hp workstations which  
are configured to be used together. There is  
one 2D master node; 4, 8 or 16 3D nodes and  
one scalable visualization Compositor in  
each hp visualization center sv6 cluster.  
jitter - Pixel sampling method that uses  
either default jitter point values or  
customized setting specified with the  
/opt/graphics/OpenGL/sv/bin/jittertool.  
Each pixel sample is offset by a sub-pixel  
amount. Samples are averaged together to  
increase image quality. This jitter sampling  
can be used in addition to the fx10 hardware  
scene anti-aliasing.  
com p ositor - Hardware that takes input  
from the graphics cards in the hp  
visualization center sv6 system and  
combines the information into one composite  
image which is then sent out through the  
analog output cable. The Compositor bases  
its output on the mode and resolution  
specified by the user in /etc/X11/X0screens  
and settings specified with the setpipes  
118  
Glossary  
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glossary  
screen -  
m a ster m od e - This is the workstation  
where the master X server is run to control  
all other rendering via the workstations  
assigned to do 3D rendering (slave nodes).  
This system also does all of the 2D rendering  
for the entire screen.  
passive stereo work bench displays). The  
glasses filter out the correct image for the  
right and left eye. Two output cards must be  
used for the compositor to produce the entire  
left-eye scene and entire right-eye scene.  
P DU - Power Distribution Unit on the rack.  
Use these special power strips to plug-in  
racked hardware.  
m ixed m od e - In this hp visualization  
center sv6 operating mode, the screen is  
divided among the 3D slaves for accelerate  
mode, but multiple workstations are  
assigned to render each subdivision for  
accumulate mode. This results in both  
improved rendering performance and image  
quality.  
p ip e - A graphics enabled workstation.  
Usually refers to a 3D slave node that is  
rendering all or part of the screen.  
p ip e r ecta n gle - A sub-division of the  
entire display. Each of the areas receives  
output from the group of 3D pipes assigned  
to render to it. Select a layout using  
/opt/graphics/OpenGL/sv/bin/setpipesor  
the GUIs. Also known as a screen rectangle.  
m in i-sv6- Single channel systems with 3 or  
7 slave rendering nodes. A second graphics  
card in the master sytem is used as the  
fourth or eighth 3D render node. Since there  
are fewer j-class workstations, both the cost  
and performance are lower than on standard  
4-pipe or 8-pipe configurations.  
r ea l esta te - Describes the continuous  
screen space spanning across multiple  
display devices.  
m od u le - The card inside the hp ProCurve  
Switch. Also known as a blade. The official  
product name is the hp ProCurve 100Base-T  
Gigabit LAN Module.  
sa m p le - In accumulate mode, each  
graphics device is used to produce a slightly  
jittered sample of the entire screen. The  
compositor, to produce a higher quality  
image, then averages those samples together  
p a n es - This is a setpipes screen rectangle  
layout that assigns four large screen  
rectangles to form a border around the  
center of the screen. This allows for a greater  
amount of the hp visualization center sv6s  
resources to be focused on rendering to the  
center where the most intense rendering  
demands are. The center of the screen can be  
sub-divided by grid, horizontal slices or  
vertical slices. The result of using this layout  
is faster rendering performance.  
sca la bility - hp visualization center sv6 is  
scalable in the sense that configurations  
with larger numbers of can achieve higher  
levels of performance and image quality. In  
the case of the multiple display HP  
visualization centers, more real-estate is  
achieved.  
scr een - The area to which the entirety of  
the output is sent. This can span more than  
one monitor and be fed by more than one  
graphics device.  
p a ssive ster eo - Stereo capability where  
no emitter is need. Uses a combination of  
polarized glasses and special output display  
devices (i.e. specially aligned projectors or  
Glossary  
119  
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glossary  
screen real estate -  
scr een r ea l esta te - Describes the entire  
continuous screen space which can span  
multiple display devices.  
scr een r ecta n gle - A sub-division of the  
entire display. Each of the areas receives  
output from the group of 3D pipes assigned  
to render to it. Select a layout using  
/opt/graphics/OpenGL/sv/bin/setpipes  
or the GUI-based versions xsetpipes and  
xadvsetpipes. Also known as pipe rectangle.  
sla ve - 3D rendering node. These  
graphics-enabled workstations are assigned  
to render all or part of the screen.  
SLS/d - Sin gle Logica l Scr een /  
d istr ibu ted - A Hewlett-Packard  
technology which takes advantage of  
multiple workstations to enhance both 2D  
and 3D rendering. These enhancements  
include increased screen real estate,  
performance and image quality.  
sv6 - A new mode of SLS/d which uses a  
piece of hardware called the compositor to  
combine outputs from multiple workstations  
into a better quality image and/or faster  
rendering.  
120  
Glossary  
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