# 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.

- Skill: `agentskillexchange/openexr-hdr-compositing-pipeline` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/openexr-hdr-compositing-pipeline`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/openexr-hdr-compositing-pipeline/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/openexr-hdr-compositing-pipeline

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# 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](https://openexr.readthedocs.io) for
- complete details, but to get started, the "Hello, world" [exrwriter.cpp](https://raw.githubusercontent.com/AcademySoftwareFoundation/openexr/main/website/src/exrwriter/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

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/openexr-hdr-compositing-pipeline/)