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The HDF-EOS To GeoTIFF Conversion Tool (HEG) is a tool developed to allow a user to reformat, re-project and perform stitching/mosaicing and subsetting operations on HDF-EOS objects. The output GeoTIFF file is ingestible into commonly used GIS applications. HEG will also write to HDF-EOS Grid & SWATH formats (i.e for Subsetting purposes) and native (or raw) binary. HEG presently works with MODIS (AQUA and TERRA), ASTER, MISR, AIRS, and AMSR-E HDF-EOS data sets.



Brief Summary of Features include:
  • Reprojection
  • Spatial (geolocation) Subsetting
  • Band and Parameter (aka Field) Subsetting of HDF-EOS datasets
  • Support for MODIS, ASTER, MISR, AIRS, and AMSR-E
    (Check List of Supported Products for full details)
  • Format Conversion of various output Format types: GeoTIFF, HDF-EOS GRID & SWATH, MultiBand GeoTIFF, Multi-Band HDF-EOS GRID & SWATH, and native binary.
  • Format Conversions without reprojection or manipulation of input data. Allows data to remain in original unaltered state.
  • Stitching (or mosaicing) HDF-EOS SWATH and GRID datasets
  • Stitching with combinations of Reformatting/Reprojection/Subsetting Operations
  • Data subsampling
  • Control of various parameters including output pixel resolution and output projection parameters
  • Metadata preservation and creation
  • Java GUI
  • Command-line interface (Useful for running batch jobs. This is usually seen in automated production environments where large quantities of granules are processed.)
  • Supported Platforms: LINUX, WINDOWS, SUN, and MAC OSX (built on Darwin Kernel Version 7.5.0)

For future HDF-EOS/HEG/HDFView plug-in release announcements please join HDF-EOS Listserver! (Initiated May 23, 2012)

New Features/Enhancements/Bug Fixes in version 2.12 (Released February 2013)

New Features/Enhancements/Bug Fixes in version 2.11 (Released March 2011)

New Features/Enhancements/Bug Fixes in version 2.10 (Released December 2009)

New Features/bug fixes in version 2.9 (Released August 2008)

New Features in version 2.8

New Features in version 2.7

New Features in version 2.6

Upcoming new features (soon)

Possible upcoming new features (further in the future)

BUGS, PROBLEMS, QUESTIONS, or SUGGESTIONS? Please Contact Us!


ASTER (AST_L1B)


MISR (MI1B2T)


ASTER (AST_L1B)


ASTER (AST_L1B)



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HEG Screenshots

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Last Updated: February 12, 2013 (Abe Taaheri)