gemmi を Homebrew, apt, MacPorts, Nix でインストール

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• gemmi

プロジェクトの歴史

Gemmi's repository begins in 2017 and its documentation identifies it as a joint project of Global Phasing Ltd and CCP4. The project name is both a reference to Gemmi Pass and an expansion of General MacroMolecular I/O, reflecting its emphasis on file formats and data structures used by crystallographers.

The project matured from a parser and utility collection into a broad structural-biology library. Its README and documentation describe C++14 code, Python bindings, a developing Fortran interface, partial WebAssembly bindings, web tools, and the `gemmi` command with many subcommands for validation, conversion, map handling, reflection data, and model analysis.

In 2022, Gemmi was published in the Journal of Open Source Software as 'GEMMI: A library for structural biology,' giving the project a citable software reference for scientific users.

採用の歴史

Gemmi's adoption is anchored in crystallography infrastructure. The README names CCP4 and Global Phasing as institutional homes, while the JOSS paper and project documentation frame it as reusable infrastructure for programs that need fast, standards-aware handling of CIF-family files, structural models, maps, and reflection data.

Package availability in Homebrew, Debian, Ubuntu, MacPorts, and Nix makes Gemmi accessible outside specialist crystallography distributions, which matters for reproducible pipelines and notebooks that mix command-line conversion with Python analysis.

使われ方

Practitioners use Gemmi as a library when writing structural-biology software and as a CLI when inspecting, validating, converting, or extracting data from coordinate, CIF, MTZ, and CCP4/MRC files. The `gemmi` program includes subcommands such as `validate`, `grep`, `convert`, `cif2mtz`, `mtz2cif`, `map`, `sfcalc`, and `xds2mtz`.

Python users use the bindings for scripting and data analysis, while package maintainers care about the shared C++ core because it supports both standalone utilities and embedded scientific workflows.

パッケージ好きにとっての重要性

Gemmi is package-nerd interesting because it turns hard scientific file-format support into one installable toolkit. It is small compared with full crystallography suites but intersects with many of them, so it often appears in environments where users need command-line conversion, Python bindings, and citation-grade provenance.

タイムライン

• 2017: Initial public repository commits.
• 2018: Early 0.1.x releases appear.
• 2022-05-04: Gemmi is published in the Journal of Open Source Software.
• 2020s: Documentation expands around the `gemmi` command, Python API, C++ API, WebAssembly tools, and structural-biology workflows.

Related projects

• Gemmi is related to CCP4, Global Phasing software, wwPDB/mmCIF tooling, MTZ and CCP4/MRC map workflows, GemmiMOL, and scientific Python pipelines for structural biology.

ソース

• https://formulae.brew.sh/formula/gemmi
• https://gemmi.readthedocs.io/
• https://gemmi.readthedocs.io/en/latest/program.html
• https://github.com/project-gemmi/gemmi
• https://joss.theoj.org/papers/10.21105/joss.04200