rawtoaces を Homebrew でインストール

プロジェクトリンク

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• rawtoaces

プロジェクトの歴史

The official rawtoaces repository was created in 2016. The project was developed to provide a practical reference utility for moving camera RAW imagery into an ACES workflow, using LibRaw metadata or measured camera spectral sensitivities to derive an input transform.

The project later joined the Academy Software Foundation organization and developed into both a command-line utility and reusable libraries. Current upstream documentation covers source builds, a Python-facing API, multiple matrix and white-balance methods, and dedicated camera sensitivity data.

採用の歴史

RAW to ACES occupies a specialist role in digital-cinema and visual-effects color pipelines rather than broad consumer-image conversion. The supplied package metadata shows Homebrew distribution, while upstream provides source and Docker build instructions for macOS, Linux, Red Hat systems, and Windows.

使われ方

Users pass one or more RAW files or directories to rawtoaces and select white-balance and color-matrix methods. The preferred spectral method uses known camera sensitivity and illuminant data; metadata and LibRaw-based methods provide practical fallbacks when measured data is unavailable.

The RAWTOACES_DATA_PATH environment variable changes where the utility searches for spectral sensitivity and illuminant data. This is a data search path, not a persistent user configuration or credential file.

パッケージ好きにとっての重要性

For package maintainers, rawtoaces is a compact entry point into a demanding imaging dependency stack that includes OpenImageIO, LibRaw, Ceres, Eigen, lensfun, and ACES data. It packages standards-oriented color science as a scriptable conversion tool suitable for reproducible media pipelines.

タイムライン

• 2016: The official rawtoaces GitHub repository was created.
• 2025: The official release feed published rawtoaces 2.0.0.
• 2026: The official release feed published rawtoaces 2.2.0.

Related projects

• ACES is the Academy Color Encoding System targeted by rawtoaces output.
• LibRaw supplies camera RAW decoding and metadata, while OpenImageIO handles image input, output, and pixel operations.

ソース

• https://github.com/AcademySoftwareFoundation/rawtoaces
• https://github.com/AcademySoftwareFoundation/rawtoaces/releases
• https://rawtoaces.readthedocs.io/en/latest/
• source_facts.package-manager