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Tools

Information about MODIS data processing tools is provided to help the user fully utilize MODIS data products. Many of these tools are integrated into this system to provide post processed MODIS data products.

MODIS Reprojection Tool (MRT)

• Re-projection among 14 projection types
• Format conversion (HDF-EOS, GeoTiff and Binary)
• Subsetting/subsampling with reprojection
• Subsetting with format conversion
• Mosaic with reprojection
• Works only for MODIS gridded products
• GUI and command-line modes
• Linux, IRIX, Solaris, and Windows
• Author: LPDAAC
• Download URL: https://lpdaac.usgs.gov/lpdaac/tools/modis_reprojection_tool

MODIS Reprojection Tool Swath (MRTSwath)

• Reprojection from swath to 14 projection types
• Subsetting with reprojection
• Format conversion with reprojection
• Works only for MODIS swath products and associated geolocation data products
• GUI and command-line modes
• Linux, IRIX, Solaris, and Windows
• Author: LPDAAC
• Download URL: https://lpdaac.usgs.gov/lpdaac/tools/modis_reprojection_tool_swath

HDF-EOS Web-based Subsetter (HEW)

• Subsetting both swath and gridded MODIS products
  • Latitude/Longitude
  • Date and time span
  • SDS parameter
• Subsampling by extracting every Nth point of data
• Web and command-line modes
• Linux, IRIX, and Solaris
• Author: University of Alabama, Huntsville
• Download URL: http://subset.itsc.uah.edu/hew2k/

SPOT -- Subsettability Checker

• Check if a HDF-EOS is subsettable by HEW
• Command-line mode
• Linux, IRIX, and Solaris
• Author: University of Alabama, Huntsville
• Download URL: http://subset.itsc.uah.edu/hew2k/

MODIS LDOPE Tools

• 25 stand-alone tools to assist the quality assessment of MODIS products
• Command-line mode
• Linux, IRIX, Solaris, and Windows
• Authors: LPDAAC and LDOPE
• Download URL: https://lpdaac.usgs.gov/lpdaac/tools/ldope_tools

HDFLook

• Visualization of all MODIS data products
• Parameter, band, and spatial subsetting
• Geo-projection conversion
• Re-mapping of swath data to world map
• Mosaic and stitch
• Format conversion (HDF-EOS to GeoTiff, JPEG, Binary and ASCII)
• Display ancillary data attributes
• RGB images with option of map and grid overlays
• GUI and batch modes
• Linux, IRIX, Solaris, Windows, Mac, DEC, HP, and IBM-AIX
• Authors: L. Gonzalez and C. Deroo, Université des Sciences et Technologies de Lille
• Download URL: http://www-loa.univ-lille1.fr/Hdflook/hdflook_gb.html

HDF-EOS to GeoTiff Converter (HEG)

• Format conversion to GeoTiff, binary and/or HDF-EOS grids
• Parameter and spatial subsetting
• Data subsampling
• Mosaic and stitch
• GUI and command-line modes
• Linux, IRIX, Solaris, Windows, and Mac
• Author: the ECS Project Office
• Download URL: http://newsroom.gsfc.nasa.gov/sdptoolkit/HEG/HEGHome.html

Hrepack

• HDF internal compression/uncompression and/or chunking tool
• Command-line mode
• Compression mode: RLE, Huffman, gzip, JPEG, and szip
• AIX, AMD Opteron, FreeBSD, HP-UX, IA, IRIX64, Linux, Mac, Solaris, Cray, and Windows
• Authors: NCSA, University of Illinois
• Download URL: http://hdf.ncsa.uiuc.edu/hdf4.html

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