A Massively Spiffy Yet Delicately Unobtrusive Compression Library
(Also Free, Not to Mention Unencumbered by Patents)
To build h5tools with Visual Studio 2010, open the file /qt/h5tools.sln with Visual Studio. H5tools depends on several pre-installed libraries, namely HDF5, zlib. The h5merge supplied Visual Studio projects assume static builds of these libraries. Hello, My understanding is that HDF5ALLOWEXTERNALSUPPORT should not be used (and defaults to NO) according to the doc: I tried to set it anyway. Also, on Ubuntu when I 'sudo apt-get install' zlib, it seems I get an autotools install, so CMake does not find the zlib install (missing Find.cmake): this is why I tried to build from source and install ZLib / SZip (I use ZLIB / SZIP tarballs.
(Not Related to the Linux zlibc Compressing File-I/O Library)
Welcome to the zlib home page, web pages originally created by Greg Roelofsand maintained by Mark Adler.If this page seems suspiciously similar to the PNG Home Page, rest assuredthat the similarity is completely coincidental. No, really.
zlib was written byJean-loup Gailly (compression) andMark Adler(decompression).
Before attempting to open an RIS file, you'll need to determine what kind of file you are dealing with and whether it is even possible to open or view the file format. Answer: Files which are given the.RIS extension are known as Hdf Zlib files, however other file types may also use this extension. Programs supporting the.ZLIB file, according to the operating systems. Information about the.ZLIB file extension. Learn about.HDF files and view a list of programs that open them.
Current release:zlib 1.2.11
January 15, 2017
Version 1.2.11 has these key improvements over 1.2.10:
- Fix deflate stored bug when pulling last block from window
- Permit immediate deflateParams changes before any deflate input
Version 1.2.10 has these key improvements over 1.2.9:
- Fix bug in deflate_stored() for zero-length input
- Fix bug in gzwrite.c that produced corrupt gzip files
Version 1.2.9 has these key improvements over 1.2.8:
- Improve compress() and uncompress() to support large lengths
- Allow building zlib outside of the source directory
- Fix bug when level 0 used with Z_HUFFMAN or Z_RLE
- Fix bugs in creating a very large gzip header
- Add uncompress2() function, which returns the input size used
- Dramatically speed up deflation for level 0 (storing)
- Add gzfread() and gzfwrite(), duplicating the interfaces of fread() and fwrite()
- Add crc32_z() and adler32_z() functions with size_t lengths
- Many portability improvements
- Canonical URL: http://zlib.net/ (US)
zlib is designed to be a free,general-purpose, legally unencumbered -- that is, not covered by any patents-- lossless
ZIP File Processing Bonus Software
- Code to read a zip file as a stream and extract its contents.sunzip.c will read a zip file from stdin and extract the files therein that use compression methods 0, 8, 9, or 12 (stored, deflate, deflate64, or bzip2). It accepts Zip64 input.
- Code to merge multiple zip files into a single zip file.zipknit.c accepts Zip64 input files, and will create Zip64 output if the combined size of the merged zip file warrants it. All compression formats are permitted, since no decompression or recompression is performed. Encrypted entries are permitted, and pass through unscathed.
Related External Links
- zlib for Linux, both shared and static plus headers (RPM format, many architectures)
- zlib for Solaris (alternate)
- zlib for macOS (Mac OS X): zlib is already included as part of macOS
- zlib for Palm Pilot
- zlib for Newton OS
- zlib for Windows CE
- zlib for Windows 9x/NT/2000/XP/2003 (DLL version, plus related utilities)
- zlib for Windows 9x/NT (DLL and static version)
- DotNetZip zip file manipulation for .NET, and more (including replacements for the buggy Microsoft GZipStream and DeflateStream classes)
- zlib for .NET in C#
- zlib DLL wrapper for .NET in C#
- Zip for .NET
- Mark Nelson's ZlibTool article (January 1997)
- zlib C++ wrapper for the
gz*functions. - C++ zlib and gzip filters in an iostream framework.
- zlib 32-bit OCX (C++ source and binaries for use with Visual Basic 4.x or Delphi 2.0)
- (unsupported VB5 binary also available)
- zlib Delphi 5 interface
- (includes compiled object files and corresponding C++ Builder 5 project files)
- zlib Perl interface (source code; look for Compress-Zlib*.tar.gz)
- zlib Python interface (online manual; part of the standard library as of Python 1.5)
- zlib Tcl interface mkZiplib
- zlib Haskell interface
- zlib Java interface (see also JAR format)
- zlib reimplementation in pure Java
- (not tested by us, but looks like a good alternative to java.util.zip)
- Mark Nelson's JavaZip article (with source code) (December 1997)
- Random access for gzip archives, for Java
- Gilles Vollant's zlib-based mini-zip and mini-unzip
- (see also Info-ZIP's UnZip, which optionally can be compiled with zlib)
- Scott Ludwig's zlib-based CExe executable compressor for Win32
- zlib technical issues, including spec errors
- zlib information in Japanese
- zlib information in Russian
- Real World Scanning and Halftones (second edition includes a section on zlib)
- Markus Oberhumer's LZO `real-time' data compression library
- (not tested by us, but looks like a good alternative if you need more speed and less compression)
- lz4, a very fast compression algorithm
- (not tested by us, but looks like an even better alternative if you need more speed and less compression)
- Zstandard, a better compression algorithm
- (not tested by us, but appears to be a better alternative to zlib in both dimensions of compression and speed, as well as decompression speed)
- libbzip2
- (not tested by us, but looks like a good alternative if you need more compression and less speed)
- PPP Deflate Protocol (RFC 1979)
- Info-ZIP Home Page
- Portable Network Graphics (PNG) Home Page
- gzip Home Page
- pigz (parallel gzip) Home Page
- DataCompression.info
- comp.compression Frequently Asked Questions list
Send comments or questions about zlib to the authors at after checking FAQ andmanual.Please report broken links to(PGP key).
This page last updated December 15th, 2017.
| Web page copyright © 1996-2017 Greg Roelofs, Jean-loup Gailly and Mark Adler. zlib software copyright © 1995-2017 Jean-loup Gailly and Mark Adler. | zlib.org domain name donated by Andrew Green. |
Click to see full answer
Likewise, people ask, how do I open an HDF file?
On the Home tab, in the Variable section, click Import Data. If you select an HDF4 or HDF-EOS file, the MATLAB Import Wizard automatically starts the HDF Import Tool. This opens an empty HDF Import Tool. To open a file, click the Open option on the HDFTool File menu and select the file you want to open.
Secondly, what does HDF stand for? high-density fiberboard
Hdf Zlib File
Keeping this in view, what is an HDF file?
HDF is a data file format used by Hierarchical Data Format. HDF files are used for the transfer of graphical and numerical data between machines. HDF files store data usually relating to scientific data. This information is stored in libraries and multi-object files.
Hdf Zlib File Type
What is .h5 file in Python?
About the project. The h5py package is a Pythonic interface to the HDF5 binary data format. It lets you store huge amounts of numerical data, and easily manipulate that data from NumPy. For example, you can slice into multi-terabyte datasets stored on disk, as if they were real NumPy arrays.