openexr: openexr (HDR Image File Format & Library) openexr: openexr: OpenEXR is an image file format and library developed by Industrial openexr: Light & Magic, and later released to the public. It provides support openexr: for high dynamic range and a 16-bit floating point "half" data type openexr: which is compatible with the half data type in the Cg programming openexr: language. openexr: openexr: Homepage: http://www.openexr.org/ openexr: openexr: