N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Brains to Bays --Scaleable Visualization Toolkits Arthur J. Olson Interaction Environments.

NATIONAL PARTNERSHIP FOR ADVANCED COMPUTATIONAL INFRASTRUCTURE

Brains to Bays --Scaleable Visualization Toolkits

Arthur J. Olson

Interaction Environments Thrust Area Leader

Professor, Molecular Biology

The Scripps Research Institute

La Jolla, CA


Evolution of Alpha Project

• IE Thrust Area Vision

• User Community feedback

• State of art challenges

• Successful projects/prototypes

• Successful and important applications

• Strong inter-thrust linkages


IE Thrust Area Vision

Provide a customizable Provide a customizable collaborative scientific collaborative scientific computing environment computing environment to explore data, facilitate to explore data, facilitate simulation, and simulation, and communicate ideas in communicate ideas in groung-breaking researchgroung-breaking research

Provide a customizable Provide a customizable collaborative scientific collaborative scientific computing environment computing environment to explore data, facilitate to explore data, facilitate simulation, and simulation, and communicate ideas in communicate ideas in groung-breaking researchgroung-breaking research


User Community Feedback

#1 Priority --Visualization Toolkits

• Aid in the exploration of scientific data and simulations

• Communicate results to the broader community

• Scaleable from desktop to teraflop systems


Important Infrastructure Challenge

Large Data Visualization

• Parallel Visualization-- computing resources

• Interactive Navigation -- client/server control

• Compression/processing -- out-of-core manipulation

• Combining data at multiple scales


Successful projects/prototypesIE Thrust

•MPIRE -massively parallel volume rendering -- SDSC

• VisualEyes -- multi-modal visualization and analysis toolkit -- U. Texas

• Déjà vu -- platform independent viewing component -- TSRI


Successful and important applications

• Brain mapping -- Understanding the nature of the human brain -- Toga, Ellisman, et al.

• Ocean modeling -- Simulating and predicting the long range nature of global climate change -- Wunsch, et al.


Strong Cross Thrust Linkages

• Data Intensive -- SRB, MCAT, XML

• Metasystems -- Legion

• Parallel Tools -- ADR, KELP

• EOT -- Materials transfer for teaching







MPIRE: Massively Parallel Interactive Volume Rendering (Genetti,Johnson SDSC)

•Interactive, Distributed

•Direct Volume Rendering -- ray casting & splatting

Technology


MPIRE - Parallel Performance9 Gbyte data set on T3E

Processing Elements

160

192

224

256

Average Time(s)

14.8

12.4

10.6

9.2

Millions of voxels/s

225

258

302

350

Visible Female Data Set

Technology







VisualEyes Interrogative Visualization(Bajaj, Utexas)

Technology


Accelerated IsoContouring(VolVis’96)

Technology


The Contour Spectrum(IEEE Viz’97)

• The contour spectrum allows the development of an adaptive ability to separate interesting isovalues from the others.

r

Technology







Deja Vu / Python Provides Client Viewing and Manipulation (Olson,Sanner)

• Object orientedObject oriented• Component basedComponent based• Execution centric Execution centric • Inter-operableInter-operable• Platform IndependentPlatform Independent

• Object orientedObject oriented• Component basedComponent based• Execution centric Execution centric • Inter-operableInter-operable• Platform IndependentPlatform Independent

Deja vu

Technology


Rapid Application Development withViewer component technology

• Concise Code• Interactive

development• GUI support• integration of

existing applications

Technology






Brain Structure and Function (Toga,UCLA)

THE CHALLENGE OF MULTIPLE SCALES

THE CHALLENGE OF FUNCTIONAL CORRELATIONS

Testbed application


Each Brain Represents a

lot of Data

AND COMPARISONS MUST BE MADE BETWEEN MANY

Testbed application


Federate existing DBs

Today:

1 brain 10 Gbytes

Testbed application

With Teraflops:

comparisons of multiple brains,

several Pbytes






Oceanographic Simulations on a Planetary Scale (Wunsch, MIT;Stammer, SIO)

• Goal: Understanding the ocean’s role in climate variability

• Will provide a complete global-scale ocean state estimation over 15 year period (1985-2000)

• CFD simulations constrained by satellite altimetry and other observational data

• Porting to MPP platforms (IBM SP, Teraflops)• Challenging time-dependent visualization

Testbed application


Oceanographic Simulations -- Large Data Visualization

Today:

2o Latitude, Longitude2 GBytes

With Teraflops:0.5o Latitude, Longitude200 GBytes

Testbed application


Milestones for Alpha Project: Brains to Bays -- FY00

• Harden and extend MPIRE , VisualEyes ,Deja Vu • Extend Interaction architecture for volume data• Develop APIs and GUIs for SRB , implement “data

floor plan” in KELP and ADR• Integrate viz toolkits within Legion metasystem.• Initiate visualization production in collaboration with

EOT for educational use• Generate and test large-scale multi-modal

volumetric data sets w/viz-toolkits


Milestones for Alpha Project: Brains to Bays -- FY01

• Distribute and test MPIRE, VisualEyes, and Deja Vu to several sites

• Implement advanced toolkit architecture that supports volumetric scene graph constructs

• Demonstrate remote parallel volume rendering over multi-site NPACI resources

• Develop training and technical documentation on the viz toolkits for wide distribution

• Produce scientific visualizations in collaboration with EOT for integration into school curricula


EDUCATION/ OUTREACH/ TRAININGEDUCATION/ OUTREACH/ TRAINING

Advancing Visualization & Exploration

SRB/API’sSRB/API’s

KELPKELP

ADRADR

SHASTRA/ICESHASTRA/ICE

DOCUMENTATIONDOCUMENTATION

DICE

IE PTE Neuroscience

Metasystems Earth System Science

SINGLE MODE BRAIN DATA

SINGLE TIME SLICE OCEAN SIMULATION

MULTI-SCALE NEURO-

STRUCTURE

MULTI-MODAL OCEAN SIMULATIONS

INTERACTIVE STEERING OF OCEAN SIMULATIONS

DATA AND MODEL VISUALIZATION

DATA AND MODEL VISUALIZATION PARALLEL VOLUME

VISUALIZATION

PARALLEL VOLUMEVISUALIZATION LARGE DATA

NAVIGATION

LARGE DATANAVIGATION COLLABORATIVE

INTERACTION

COLLABORATIVEINTERACTION

200120001999 2002

LEGIONLEGIONMPIREMPIRE

Deja VuDeja Vu

VisualEyesVisualEyes

FEDERATED BRAIN DATA

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Brains to Bays --Scaleable Visualization Toolkits Arthur J. Olson Interaction Environments.

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