OpenEXR
From Just Solve the File Format Problem
				
								
				(Difference between revisions)
				
																
				
				
								
				Dexvertbot  (Talk | contribs) m (Change telparia.com samples link to template)  | 
			Dexvertbot  (Talk | contribs)   (Undo revision 46664 by Dexvertbot (talk))  | 
			||
| Line 6: | Line 6: | ||
|released=2003  | |released=2003  | ||
}}  | }}  | ||
| − | '''OpenEXR''' (also known as '''EXR''' or '''IlmImf''') is a raster image file format developed by Industrial Light  | + | '''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.  | 
| + | |||
| + | == Identification ==  | ||
| + | Files start with bytes <code>76 2F 31 01</code>.  | ||
| + | |||
| + | == Specifications ==  | ||
| + | The written documentation is unofficial. The format is defined as "whatever the IlmImf Library reads and writes."  | ||
| + | * [http://www.openexr.com/TechnicalIntroduction.pdf Technical Introduction to OpenEXR]  | ||
| + | * [http://www.openexr.com/openexrfilelayout.pdf OpenEXR File Layout]  | ||
| + | |||
| + | == Software ==  | ||
| + | * 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  | ||
| + | * [http://snisurset.net/code/abydos/ abydos]  | ||
| + | |||
| + | == Sample files ==  | ||
| + | * https://telparia.com/fileFormatSamples/image/exr/  | ||
| + | * The IlmImf Library includes some samples files for testing.  | ||
| + | |||
| + | == Links ==  | ||
| + | * [http://www.openexr.com/ OpenEXR home page]  | ||
| + | * [[Wikipedia:OpenEXR|Wikipedia article]]  | ||
Revision as of 03:00, 28 December 2023
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.
Contents | 
Identification
Files start with bytes 76 2F 31 01.
Specifications
The written documentation is unofficial. The format is defined as "whatever the IlmImf Library reads and writes."
Software
- The IlmImf Library, a.k.a. The OpenEXR source distribution (C++): OpenEXR Downloads → openexr-x.x.x.tar.gz, ilmbase-x.x.x.tar.gz
 - abydos
 
Sample files
- https://telparia.com/fileFormatSamples/image/exr/
 - The IlmImf Library includes some samples files for testing.