The Alliance Visualization Program

National Computational Science Alliance

The Alliance Visualization Program

• Talk given to Sandia and Lawrence Livermore National Laboratories

• February 19, 1998


The Alliance National Technology Grid - Prototyping the 21st Century Infrastructure


Visual Supercomputing Goal:Make Analysis as Powerful as Simulation

Colliding Galaxies (Smithsonian IMAX)-Donna Cox, Bob Patterson, NCSA-From “Cosmic Voyage”-Nominated for Academy Award 1997

• Virtual Director in CAVE• 1000 Hour SDSC Supercomputer Run to Generate Data• Tens of Thousands of Hours of NCSA SGI Time to Render Data• Cross-Country Transfer to IMAX Film of Massive Amounts of Data


Alliance Visualization Development and Deployment Partners


Alliance Visualization Technologies

• Interactive Immersive Discovery– Tom DeFanti, EVL, Univ. of Illinois at Chicago

• Asynchronous High Resolution Analysis– Paul Woodward, LCSE, Univ. of Minnesota

• Collaborative Virtual Environments– Rick Stevens, MCSD, Argonne Nat. Lab.

• Computational Steering– Chris Johnson, Univ. of Utah


Visual Immersive Environments - The University of Illinois@Chicago CAVE


Caterpillar’s Distributed Virtual Reality

Data courtesy of Valerie Lehner, NCSA, 1996


Using Intranet Technologies to Form Alliance Electronic Communities

http://www.ncsa.uiuc.edu/Indices/Spotlight/Features/feature_CAVERNUS.html

• CAVE and ImmersaDesk Systems • Hypernews Forums• User Lists• Application Galleries• Shared Programs


Collaborative Virtual Environment -Environmental Modeling

ImmersaDesks

vBNS

DREN

SGI Onyx(NCSA)

Integrated M-Bone Videoteleconferencing

John Shalf,Polly Baker NCSA; Mike Stephens and Carl Cerco, CEWES

SGI Onyx(Old Dominion)

SGI Onyx(U. Wisc)

Coupling Chesapeake Bay Simulations and Databases

SGI Onyx (CEWES)

Vicksburg, MS


HydroNet -- Alliance vBNS Collaboration Grid

Robert Patterson, NCSA


Narrative, Immersive, Constructivist/Collaborative Environments (NICE)

Jason Leigh-EVL, UIC http://www.ice.eecs.uic.edu/~nice/


Tele-Immersion Networking Requirements

Type Latency Bandwidth Reliable Multicast Security Streaming DynQosControl < 30 ms 64Kb/s Yes No High No LowText < 100 ms 64Kb/s Yes No Medium No LowAudio < 30 ms Nx128Kb/s No Yes Medium Yes MediumVideo < 100 ms Nx5Mb/s No Yes Low Yes MediumTracking < 10 ms Nx128Kb/s No Yes Low Yes MediumDatabase < 100 ms > 1GB/s Yes Maybe Medium No HighSimulation < 30 ms > 1GB/s Mixed Maybe Medium Maybe HighHaptic < 10 ms > 1 Mb/s Mixed Maybe Low Maybe HighRendering < 30 ms >1GB/s No Maybe Low Maybe Medium

Source: Tom DeFanti (UIC), Rick Stevens (ANL)


Terabyte Digital Playback of High Res. Data -Analysis of Turbulent Fluid Using the Power Wall

Laboratory for Computational Science and Engineering, Univ. of Minnesota


Putting a Window in the Supercomputer Oven- Coupling the vBNS to Scalable Computing

Porter, Anderson, Habermann, Ruwart, & Woodward , LCSE,Nov. 1997

Data Moved From NCSA over vBNS to U Minnesota-

Visualization at SC97 While Week Long Simulation Runs at NCSA

vBNS Gives 100-Fold Thruput Increase Over Commercial Internet!

Surface View Interior View

Evolution of a Red Giant with White Dwarf Core


Alliance National Technology GridWorkshop and Training Facilities

Powered by Silicon GraphicsLinked by the NSF vBNS

Jason Leigh and Tom DeFanti, EVL; Rick Stevens, ANL


Visual Computational Steering -The University of Utah SCIRun

Chris Johnson, SCI, Univ. of Utah


SCIRun

Example Combustion C-SAFE SCIRun Network

Chris Johnson, SCI, Univ. of Utah


NCSA Visualization Tool Development

• AVS, VTK• Volumetric Analysis• VRML• Code Visualization• Server Push• Haptic Interface• Digital Video

– MPEG– Streaming– Desktop CAVE


Visual Supercomputing - Blast Damage to Buildings

Polly Baker, Randy Heiland and Dave Bock, NCSA

Raju Namburu, Mike Stephens, CEWES, Kent Eschenberg, Nichols Research Corp

DOD Modernization PET ProgramCTH for Blast, DYNA3D for Structure ResponseUsed SGI/Cray T3E, C90, Origin, Onyx, Octane


Emergence of Large Scale Structure Using Traditional MPP Supercomputer

Source: Greg Bryan, Mike Norman, NCSA

512x512x512 Run on 512-node CM-5

Evolution Fly Thru


NCSA CRUMBS Used for Volumetric Visualization of Star Formation Simulation

Source: Balsara and Brady, NCSA


Use of Shared Memory Adaptive Grids -Alliance Cosmology Team

Source: Greg Bryan, Mike Norman, John Shalf, NCSA

64x64x64 Run with Seven Levels of Adaption on SGI Power Challenge,Locally Equivalent to 8192x8192x8192 Resolution


NCSA Visualization --VRML Viewers

John Shalf on Greg Bryan Cosmology AMR Data

http://infinite-entropy.ncsa.uiuc.edu/Projects/AmrWireframe/


Information Visualization of Executing Parallel Software

Dan Reed, UIUC CS


NCSA Visualization -- Server Push Technology

http://woodall/dbock/projects/RemoteViewIndex.html

Polly Baker and David Bock, NCSA

Particles Moving Through Flow Field Computed on SGI OctaneRealtime Viewing Using Web Browser on Win95 PC


NCSA Habanero - Collaborative Support for Scientific Teams

Image Courtesy of Ken Bishop (U Kansas) Alliance Chem. Eng. Team


• SGI Desktop Environment for Molecular Docking• Visual, Auditory, and Haptic Info. on Bonding• Ported to ImmersaDesk; Simulation on SGI Origin

Ruth Pachter, ASC/AFRL; Polly Baker, NCSA

Visual Supercomputing --Adding Touch to Virtual Environments

DOD Modernization PET ProgramASC Comp. Chemistry & Materials Team


Alliance Researchers Using a Digital VideoComputational Infrastructure

= Digital Video Streams

Digital VideoServer

Internet, vBNS

Habanero Teams

Create Digital Video Animation Concurrently with Supercomputing

CAVE Virtual Director

Individual Desktops

Desktop VideoTeleconferencing


Alliance Virtual Environments Tools - Linking CAVE to Vis5D = CAVE5D

Interactive visualizations of time-varying, 3-dimensional Vis5D data sets in CAVE environments

http://www.ncsa.uiuc.edu/VR/cavernus/CAVE5D/Cave5d.html


Using NCSA’s Virtual Director in CAVE5D to Create a Digital Video Output

Donna Cox, Robert Patterson, Stuart Levy, NCSAVirtual Director Team


Using CAVE5D with NCSA’s Virtual Director to Analyze Chesapeake Bay Simulations

Alliance Environmental Hydrology Applications TeamGlen Wheless and Cathy Lascara,

Center for Coastal Physical Oceanography, Old Dominion University


Fish Larvae at Mouth of the Bay15 Day Period

Salinity (Red-High, Yellow-Low)


NCSA’s Virtual Director in CAVE5D Three-Way Collaboration



Thunderstorm 1988 - Batch Process Scientific Visualization

Simulation of a Severe Thunderstorm

Wilhelmson and Arrott et al. NCSA

http://www.ncsa.uiuc.edu/SCMS/Metascience/Articles/MS_Study-Numerically-Modeled-Severe-Storm-Wilhelmson.html


Thunderstorm - Tornado SimulationAnalysis in the CAVE using Virtual Director

Donna Cox, Robert Patterson, Stuart Levy, NCSA Virtual Director TeamBruce Lee & Bob Wilhelmson, Simulation

Yellow Iso = VorticityTrajectories = Wind Flow

Grey Iso = Rainwater Cloud

Documents

The Alliance Visualization Program