N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Brains to Bays --Scaleable Visualization Toolkits Arthur J. Olson Interaction Environments Thrust Area Leader Professor, Molecular Biology The Scripps Research Institute La Jolla, CA

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE IE Thrust Area Vision Provide a customizable collaborative scientific computing environment to explore data, facilitate simulation, and communicate ideas in groung-breaking research

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Successful projects/prototypes IE Thrust MPIRE -massively parallel volume rendering -- SDSC VisualEyes -- multi-modal visualization and analysis toolkit -- U. Texas Déjà vu -- platform independent viewing component -- TSRI

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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.

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Strong Cross Thrust Linkages Data Intensive -- SRB, MCAT, XML Metasystems -- Legion Parallel Tools -- ADR, KELP EOT -- Materials transfer for teaching

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Successful projects/prototypes IE Thrust MPIRE -massively parallel volume rendering -- SDSC VisualEyes -- multi-modal visualization and analysis toolkit -- U. Texas Déjà vu -- platform independent viewing component -- TSRI

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE MPIRE: Massively Parallel Interactive Volume Rendering (Genetti,Johnson SDSC) Interactive, Distributed Direct Volume Rendering -- ray casting & splatting Technology

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE MPIRE - Parallel Performance 9 Gbyte data set on T3E Processing Elements Average Time(s) Millions of voxels/s Visible Female Data Set Technology

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Successful projects/prototypes IE Thrust MPIRE -massively parallel volume rendering -- SDSC VisualEyes -- multi-modal visualization and analysis toolkit -- U. Texas Déjà vu -- platform independent viewing component -- TSRI

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE VisualEyes Interrogative Visualization (Bajaj, Utexas) Technology

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Accelerated IsoContouring ( VolVis’96 ) Technology

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Successful projects/prototypes IE Thrust MPIRE -massively parallel volume rendering -- SDSC VisualEyes -- multi-modal visualization and analysis toolkit -- U. Texas Déjà vu -- platform independent viewing component -- TSRI

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Deja Vu / Python Provides Client Viewing and Manipulation (Olson,Sanner) Object orientedObject oriented Component basedComponent based Execution centricExecution centric Inter-operableInter-operable Platform IndependentPlatform Independent Object orientedObject oriented Component basedComponent based Execution centricExecution centric Inter-operableInter-operable Platform IndependentPlatform Independent Deja vu Technology

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Rapid Application Development with Viewer component technology Concise Code Interactive development GUI support integration of existing applications Technology

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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.

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Brain Structure and Function (Toga,UCLA) THE CHALLENGE OF MULTIPLE SCALES THE CHALLENGE OF FUNCTIONAL CORRELATIONS Testbed application

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Each Brain Represents a lot of Data AND COMPARISONS MUST BE MADE BETWEEN MANY Testbed application

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Federate existing DBs Today: 1 brain 10 Gbytes Testbed application With Teraflops: comparisons of multiple brains, several Pbytes

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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.

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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 ( ) CFD simulations constrained by satellite altimetry and other observational data Porting to MPP platforms (IBM SP, Teraflops) Challenging time-dependent visualization Testbed application

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE Oceanographic Simulations -- Large Data Visualization Today: 2 o Latitude, Longitude 2 GBytes With Teraflops: 0.5 o Latitude, Longitude 200 GBytes Testbed application

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE 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

N ATIONAL P ARTNERSHIP FOR A DVANCED C OMPUTATIONAL I NFRASTRUCTURE EDUCATION/ OUTREACH/ TRAINING Advancing Visualization & Exploration SRB/API’s KELP ADR SHASTRA/ICE DOCUMENTATION 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 PARALLEL VOLUME VISUALIZATION LARGE DATA NAVIGATION COLLABORATIVE INTERACTION LEGION MPIRE Deja Vu VisualEyes FEDERATED BRAIN DATA