OpenEXR

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'''OpenEXR''' (also known as '''EXR''' or '''IlmImf''') is a raster image file format developed by Industrial Light & Magic. It supports ''high dynamic range'' images. It usually uses 16-bit "half precision" floating point samples, though other sample formats are also supported.
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'''OpenEXR''' (also known as '''EXR''' or '''IlmImf''') is a raster image file format developed by Industrial Light
 
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== Identification ==
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Files start with bytes <code>76 2F 31 01</code>.
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== Specifications ==
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The written documentation is unofficial. The format is defined as "whatever the IlmImf Library reads and writes."
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* [http://www.openexr.com/TechnicalIntroduction.pdf Technical Introduction to OpenEXR]
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* [http://www.openexr.com/openexrfilelayout.pdf OpenEXR File Layout]
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== Software ==
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* The IlmImf Library, a.k.a. The OpenEXR source distribution (C++): [http://www.openexr.com/downloads.html OpenEXR Downloads] → openexr-x.x.x.tar.gz, ilmbase-x.x.x.tar.gz
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* [http://snisurset.net/code/abydos/ abydos]
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== Sample files ==
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* https://telparia.com/fileFormatSamples/image/exr/
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* The IlmImf Library includes some samples files for testing.
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== Links ==
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* [http://www.openexr.com/ OpenEXR home page]
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* [[Wikipedia:OpenEXR|Wikipedia article]]
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Revision as of 02:56, 28 December 2023

File Format
Name OpenEXR
Ontology
Extension(s) .exr
PRONOM fmt/1001
Released 2003

OpenEXR (also known as EXR or IlmImf) is a raster image file format developed by Industrial Light

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