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• What is HDF?
• Current Release
• Documentation
• Software using HDF4
• HDF4 Users
• Sample HDF4 Files

Following is a list of the HDF utilities that are available. These tools come with the pre-compiled binary distribution for the platforms we support and can also be downloaded individually. See the Obtaining the HDF Software page for downloading.

One of the most useful utilities is:

• hdp
  provides quick and general information about all objects in an HDF file

Other utilities:

• gif2hdf
  converts GIF image into HDF GR image.

• hdf24to8
  converts 24-bit raster images to hdf 8-bit images

• h4cc
  compiles an HDF4 C program

• h4fc
  compiles an HDF4 F90 program

• h4redeploy
  Updates paths in h4cc/h4fc after the HDF4 pre-compiled binaries have been installed in a new location

• hdf2gif
  converts HDF GR image into GIF image.

• hdf2jpeg
  converts hdf raster images to jpeg images

• hdf8to24
  converts an 8-bit image into a 24-bit image

• hdfcomp
  re-compresses an 8-bit raster hdf file

• hdfed
  hdf file editor

• hdfls
  lists information about an HDF file at a low level (requires understanding of tags/refs in HDF)

• hdfimport
  imports ASCII or binary data into HDF

• hdfpack
  compacts an hdf file

• hdftopal
  extracts a palette from an hdf file

• hdftor8
  extracts 8-bit raster images and palettes from an hdf file

• hdfunpac
  unpacks an HDF file by exporting the scientific data elements (DFTAG_SD) to external object elements. This is a utility for external file handling for the parallel I/O interface on the CM5.

• hdiff
  compares two HDF files and reports the differences (Info)

• hrepack
  copies an HDF file to a new file with/without compression and/or chunking (Info)

• jpeg2hdf
  converts jpeg images to hdf raster images

• ncdump
  generates an ASCII representation of a netCDF file (for input to ncgen)

• ncgen
  converts a CDL description of a netCDF file into an HDF file

• paltohdf
  converts a raw palette to hdf

• r8tohdf
  converts 8-bit raster images to hdf

• ristosds
  converts a series of raster image hdf files into a single 3D sds hdf file.

• vmake
  creates vsets

• vshow
  dumps out vsets in an hdf file

HDF and HDF5 Java Tools

• HDFView
  A Java-based tool for browsing and editing HDF4 and HDF5 files.

• HDF Java Products

HDF Web-browser Plugin

The HDF Web-browser Plugin extends a web browser to display HDF4 and HDF5 files. Currently, it is only available on the Windows platform. It can be obtained from the following page:

   /plugins/

H4-H5 Conversion Software

• Converting between HDF 4.x and HDF5

• FTP Location of Source

Other Tools of Interest

• Software using HDF

- - Last modified:August 21st 2007