Rapid Raster Projection Transformation and Web Service Using High-performance Computing Technology 2009 AAG Annual Meeting Las Vegas, NV March 25 th , 2009 Qingfeng (Gene) Guan Michael P. Finn E. Lynn Usery David M. Mattli Center of Excellence for Geospatial Information Science U.S. Geological Survey Rolla, MO
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Rapid Raster Projection Transformation and Web Service Using High-performance Computing Technology 2009 AAG Annual Meeting Las Vegas, NV March 25 th, 2009.
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Rapid Raster Projection Transformation and Web Service Using High-performance Computing Technology
– Workers/Slavers request for new tasks (MBRs of sub-output-images & corresponding sub-input-images)
Parallelizing Projection Transformation
• Dynamic Load-balancing
• An open-source general-purpose parallel Raster Processing programming Library
• Encapsulates complex parallel computing utilities and routines specifically for raster processing– Enables the implementation of parallel raster-processing
algorithms without requiring a deep understanding of parallel computing and programming
• Possible usage– Massive-volume geographic raster processing– Image (including remote sensing imagery) processing– Cellular Automata (CA) and Agent-based Modeling (ABM)
• Freely downloadable and open source– http://sourceforge.net/projects/prpl/