OpenEXR HDR Compositing Pipeline
Processes OpenEXR high dynamic range images using the OpenImageIO (oiiotool) CLI and Imath library for multi-layer compositing, tone mapping with ACES color transforms, and cryptomatte-based object isolation.
Installation
Use the upstream install or setup path that matches your environment:
- $ cmake -S . -B _build -DCMAKE_PREFIX_PATH=<path to OpenEXR libraries/includes>
- $ cmake --build _build
Requirements and caveats from upstream:
- OpenEXR and its required prerequisites.
Basic usage or getting-started notes:
See the technical documentation for
complete details, but to get started, the "Hello, world" exrwriter.cpp writer program is:
#include <ImfRgbaFile.h>
Source: https://github.com/AcademySoftwareFoundation/openexr
Extracted from upstream docs: https://raw.githubusercontent.com/AcademySoftwareFoundation/openexr/HEAD/README.md