openexr@2 ☆
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Description:
High dynamic-range image file format
Type: Formula  |  Tracked Since: Nov 13, 2024
Links: Homepage  |  formulae.brew.sh
Category: Multimedia
Tags: graphics vfx image-format hdr ilm
Install: brew install openexr@2
About:
OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in visual effects and computer graphics. It supports multiple lossless and lossy compression methods, deep data for compositing, and arbitrary channels, making it a professional standard for storing and exchanging high-fidelity imagery.
Key Features:
  • High dynamic range (HDR) and wide color gamut support
  • Lossless and lossy compression options
  • Support for 'deep data' for multi-sample pixels (e.g., volumetric rendering)
  • Arbitrary channels and metadata storage
  • Industry-standard format for visual effects and animation
Use Cases:
  • Storing and exchanging high-fidelity rendered frames in visual effects and animation pipelines
  • Handling HDR imagery in professional photography and digital content creation software
Alternatives:
  • OpenEXR 3 – Newer major version with additional features like multi-part files and faster compression; this formula is the stable v2 branch.
  • TIFF – A more general-purpose raster format, but less optimized for the high dynamic range and deep data typical in VFX.
  • Radiance HDR – An older, simpler HDR image format lacking OpenEXR's extensive feature set for professional compositing and metadata.
Version History
Detected Version Rev Change Commit
Nov 13, 2024 9:06am 0 VERSION_BUMP b8bc4bdc
Feb 21, 2023 2:38am 0 VERSION_BUMP c1db5616
Feb 4, 2023 11:04pm 0 VERSION_BUMP d45c9eca
Nov 30, 2022 6:13am 0 VERSION_BUMP b0e07a0b
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