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Update on ASU GEON Activities J Ramon Arrowsmith GEON PI Meeting Reston, VA May 13, 2006
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Simple (webservice) enhancements at the portal Projections File conversion—ascii2shp, grid2geotiff, shape2kml, raster2kml, ascii2scene and raster2scene –Ties into both GoogleEarth (kml) and GeoWall communities (fledermaus)
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The GEON LiDAR Workflow: An Internet-Based Tool for the Distribution and Processing of LiDAR Point Cloud Data Christopher J. Crosby, J Ramón Arrowsmith, Jeffrey Connor, Gilead Wurman Efrat Frank, Ashraf Memon, Vishu Nandigam, Chaitan Baru
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R. Haugerud, U.S.G.S D. Harding, NASA Point Cloud x, y, z n, … LiDAR Introduction Survey Process & Classify Analyze / “Do Science” Interpolate / Grid
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The Vision: Utilize the cyberinfrastructure developed by GEON to offer online data distribution, interpolation to grid, and analysis of large LiDAR datasets. Utilize modular web services to complete a variety of processing and analysis tasks. Completely internet- based workflow: –Point cloud to visualization Offer users control of interpolation and analysis parameters. Conceptual GEON LiDAR Workflow
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Download LViz version 1.2: http://lidar.asu.edu/LViz.html Visualization of LiDAR point cloud data & interpolated surfaces FREE LViz
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GLW Status Three datasets online: 1.Northern San Andreas Fault 2.West Rainier Seismic Zone 3.Eastern California Shear Zone NCALM / Mike Oskin PI Total of ~2.5 billion LiDAR returns available via GLW. ~60 registered users More data sets in the queue: Southern San Andreas Laser Scan (B4 Project) Hector Mine EQ NCALM Napa Valley Others…
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http://www.beg.utexas.edu/staffinfo/pdf/bellian_jsr_2005.pdf
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Next phases of GLW-I Seamless nesting of vector and raster data emphasizing ALSM and GBL/TLS –2.5D (mostly ALSM): Integration of imagery and ALSM, more DEM analysis tools, different methods for and faster gridding –3D (mostly GBL/TLS): True 3D surfaces (triangles/NURBS) with texture mapping of imagery –Take it to the field and to the desktop: increase interactivity by format conversion and software development –Dynamic metadata, job control, monitoring ALSM = Airborne Laser Swath Mapping GBL = Ground Based Lidar TLS = Terrestrial Laser Scanning
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Two tracks: –Production Continue to support and expand hosted data Develop/deploy “Lidar in a box” using GEON/Rocks tools and optimized hardware configuration to get other data providers up and running with DB2 Education—lots of geomorphology can be taught with these data at a variety of levels –R&D—develop the next set of GLW elements for both IT enhancements as well as increased usability, research product quality and diversity, and teaching. Next phases of GLW-II
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