OpenEXR is a high dynamic range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications. It includes support for 16-bit floating-point pixels (compatible with NVIDIA's Cg shader language "half" datatype), several lossless compression algorithms, and extensible image metadata attributes.License: BSD License (revised)Changes:
This release reduces generational loss in B44- and B44A-compressed images. B44A compression has been added. Various bugs have been fixed, including a buffer overrun.

More...