A Software Prototype For Accessing Large Climate Simulation Data Through Digital Globe Interface

1. A Software Prototype For Accessing Large Climate Simulation Data Through Digital Globe Interface Paper: IN42A-07 Abon ChaudhuriThe Ohio State University Email: chaudhua@cse.ohio-state.edu Dr. Alex SorokineGIST Group, ORNL Email: sorokina@ornl.gov Visualization Panel Client-server Communication Protocol: Metadata Update Algorithm: ORNL-Jaguar Motivation: a • Remote and simultaneous access to petascale outputs (stored in HPSS) of climate simulations of IPCC suite • Fast and secure query response and metadata service • Query-driven Geovisualization and Geoprocessing • Seamless support for numerous scientific data formats • Interactive and user-friendly interface for climate data 1 Scan HPSS data directories Client to Server: Request updated metadata 5 b 4 2 Record changes to Metadata catalog Server to Client: Send updated metadata Future Directions: Benefits: 6 QueryProcessor 3 • Full Parallelization of the server modules • Parallel data transfer to speed up query response • Simultaneous connection to multiple clients • Extension to different file formats (supports Netcdf now) • Useful tool for climate analysts and Impact assessors • Support for collaborative climate research • Easily extendable to other any scientific database Client to Server: Send query Overview of System: 3 • Server: • Periodic updating of Metadata catalog • Fast response to spatiotemporal query from the client Client: • World Wind open source Java API based development • Built-in 2D/3D digital Globe • Climate simulation visualization as overlaid 2D texture • Basic Geoprocessing such as range query supported • Easy integration of data from Web map servers High PerformanceStorage System MetadataManager 2 4 Server to HPSS: Forward query (if needed) 1 Client-side Interface 5 High Performance Server HPSS to Server: Respond to forwarded query Results: 6 Server to Client: Respond to query T+10 T+15 T+20 T T+5 Above: Animation of time-varying “Reference Height Temperature” reveals periodic pattern Acknowledgement: Dr. AuroopGanguly, GIST Group, ORNL Evan Anton Kodra, UTK Dr. BudhendraBhaduri, GIST Group, ORNL Dr. Cheng Liu, GIST Group, ORNL Aaron Myers, GIST Group, ORNL T+100Range: Top 10% T+125 Range: Top 10% T+150 Range: Top 10% T+175 Range: Top 15% T+200 Range: Top 15% Above: Dynamic Range Query with animation of time-varying “Reference Height Temperature” Range of visibility can be interactively altered without interfering with animation) Customizable Layers Panel Dynamic User Interaction Panel References: Integration of Web Map Services with Climate simulation outputLeft: USDA_NAIPRight: i-cubed Landsat 1. World Wind Java SDK, http://worldwind.arc.nasa.gov/java/ 2. Java Secure Channel, http://www.jcraft.com/jsch/ Textual Description Panel Variable and Simulation Parameter Selection Panel