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HDF-EOS Development Status and Maintenance Support

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Source: http://hdfeos.org/workshops/ws02/presentations/klein/klein.ppt

Source: http://hdfeos.org/workshops/ws02/presentations/klein/klein.ppt

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  • 1. EOS DATA INFORMATION SYSTEM EARTH PROBES NASA'S MISSION TO PLANET EARTH EARTH OBSERVING SYSTEM HDF-EOS Development Status and Maintenance Support Larry Klein Space Applications Corp. September 23, 1998
  • 2. NASA'S MISSION TO PLANET EARTH EARTH PROBES DATA INFORMATION SYSTEM Features Added Since Last Workshop EOS EARTH OBSERVING SYSTEM • Vertical subsetting for Point structure: PTdefvrtregion() • Additional capability for handling indexed swaths (Landsat 7 overapping scenes): enhancements to SWextractregion() and SWregionindex() • Access for index map for subsetted swath: SWupdateindexmap() • Function to return dimension-mapping information between Geo and Data dimensions: SWgeomapinfo() • Increased limit of simultaneous open swath files to 200. • Reduction in overhead (10X) in reading grid points: GDgetpixvalues() • Added capability to support HDF tiling with compression. LK-2
  • 3. NASA'S MISSION TO PLANET EARTH EARTH PROBES DATA INFORMATION SYSTEM Related Development EOS EARTH OBSERVING SYSTEM • GUI-based HDF-EOS skeleton file creation: HDF-EOS Configuration Record - Developed by NCSA, released by ECS spring, 1998. • Reduced ECS Science Data Processing Toolkit/HDF-EOS package - Uses same metadata and time tool interface as standard toolkit. - Intended for application developers and for data production outside ECS, but archival inside. - Will work on Windows, Macs, as well as standard UNIX platforms. - Is available by request on Sun, SGI, HP, Windows (95 & NT). • EOSView V3.0 released August, 1998. Added: - Plot filters. - Image display for 24-bit graphics card. - Plotting for tables larger than 1000 X 1000. LK-3
  • 4. NASA'S MISSION TO PLANET EARTH EARTH PROBES DATA INFORMATION SYSTEM Near-Future Development EOS EARTH OBSERVING SYSTEM • Intensive testing on-going with instrument data processing software. • Expect improvements in efficiency as system is stressed. eg. possible simplification of metadata checking. • Data production software and test data are nearing final launch versions. We expect several bug fixes and regression testing. • Final ECS version to support EOS-AM1 launch: December, 98. • Launch currently June, 1999. LK-4
  • 5. NASA'S MISSION TO PLANET EARTH EARTH PROBES DATA INFORMATION SYSTEM Potential Enhancements EOS EARTH OBSERVING SYSTEM • Structures to accommodate other data types: - Vertical profilers vs. imagers. - More complex indexing schemes and services to support: Non-sequencial scanners, e.g. helical scanners, Multiple viewing geometries for a single sensor. • Incorporation of HDF5. • Optional simplified interface, e.g. file copy, write file • Add additional projections: Currently, the toolkit supports 32 USGS projections; HDF-EOS supports 10, plus Integerized Sinusiodal Projection. Gridded-swath added for MISR. LK-5
  • 6. NASA'S MISSION TO PLANET EARTH EARTH PROBES DATA INFORMATION SYSTEM Potential Enhancements (cont.) EOS EARTH OBSERVING SYSTEM • Add more sophisticated subsetting: - Return data within a lat/long box rather than whole scanlines. - Polygonal subsetting. • Combination of graphical user interfaces for ECS inventory metadata definition and for HDF-EOS configuration (i.e. coordinate structural and inventory metadata). • Your enhancement here..... LK-6
  • 7. NASA'S MISSION TO PLANET EARTH EARTH PROBES DATA INFORMATION SYSTEM Maintenance and User Support Responsibility EOS EARTH OBSERVING SYSTEM • ECS (SAC) has the responsibility for HDF-EOS and toolkit maintenance and user support, until October, 2002. • We expect future releases which accommodate EOS-PM1, EOS-CHEM instruments. • User interaction is provided through email: pgstlkit@eos.hitc.com or listserver: sdptoolkit@listserv.gsfc.nasa.gov or eostools@gsfc.nasa.gov. • Software fixes go through a formal process: - Tracked through Non-Conformance Reports, Gov’t and DAACs have access. - Fixes regression-tested through configuration controlled test drivers. - Independent Test and Quality Assurance organizations. - Patches are released through a control board. LK-7

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