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openexr25-libs - OpenEXR Libraries
- Description:
OpenEXR is an open-source high-dynamic-range floating-point image
file format for high-quality image processing and storage. This
document presents a brief overview of OpenEXR and explains concepts
that are specific to this format.
OpenEXR Features:
* High dynamic range and color precision. Support for 16-bit
floating-point,
* 32-bit floating-point, and 32-bit integer pixels.
* Multiple image compression algorithms, both lossless and lossy.
Some of the included codecs can achieve 2:1 lossless compression
ratios on images with film grain. The lossy codecs have been tuned
for visual quality and decoding performance.
* Extensibility. New compression codecs and image types can easily be
added by extending the C++ classes included in the OpenEXR software
distribution. New image attributes (strings, vectors, integers,
etc.) can be added to OpenEXR image headers without affecting
backward compatibility with existing OpenEXR applications.
* Support for stereoscopic image workflows and a generalization
to multi-views.
* Flexible support for deep data: pixels can store a variable-length
list of samples and, thus, it is possible to store multiple values
at different depths for each pixel. Hard surfaces and volumetric
data representations are accommodated.
* Multipart: ability to encode separate, but related, images in one
file. This allows for access to individual parts without the need
to read other parts in the file.
* Versioning: OpenEXR source allows for user configurable C++
namespaces to provide protection when using multiple versions of
the library in the same process space.
The IlmBase Library:
Also a part of OpenEXR, the IlmBase library is a basic, light-weight,
and efficient representation of 2D and 3D vectors and matrices and
other simple but useful mathematical objects, functions, and data
types common in computer graphics applications, including the “half”
16-bit floating-point type.
NOTE: This is a compatibility package for projects that don't yet
support OpenEXR 3.0.
Packages