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--- ## About The Project This package provides a simple interface to read Flexible Image Transport System (FITS) files and access their header to retrieve information. It allows the user to typeset a key’s value directly in the document or store it in a macro for further processing. > [!IMPORTANT] > You need to compile with Lua(La)TeX. ### Built With ![Static Badge](https://img.shields.io/badge/l3build-royalblue?style=for-the-badge&logoColor=white&logoSize=auto) ![Static Badge](https://img.shields.io/badge/github_actions-grey?style=for-the-badge&logo=github%20actions&logoColor=white&logoSize=auto&color=2A2A2A) ![Static Badge](https://img.shields.io/badge/gemini_API-blue?style=for-the-badge&logo=google%20gemini&logoColor=white&logoSize=auto&color=%238E75B2) ## Installation The latest version can be found on its [CTAN page](https://ctan.org/pkg/fits-astro). Simply download the `*.dtx` files and `fits-astro.ins` file. Then, run ``` pdf(la)tex|xe(la)tex|lua(la)tex fits-astro.ins ``` and place the resultant `.sty` file in your working directory or in your texmf tree. > [!NOTE] > To compile the documentations, you need to run `fits-astro-fr|en.dtx` with **LuaLaTeX**. Alternatively, if you're using a TeX distribution, you can run: ##### For TeXlive ``` tlmgr install fits-astro ``` ##### For MikTeX ``` mpm --install=fits-astro ``` ## Usage The package provides a set of macros to retrieve and manipulate the key-value pairs FITS file headers. A file can be loaded in the following two ways: ```LaTeX \loadheader\HEADER{my_file.fits} \loadheader{HEADER}{my_file.fits} ``` From there, any key can be accessed using the identification you used: ```LaTeX \headerkey\HEADER{EXPTIME} \headerkey{HEADER}{EXPTIME} ``` The values can also be stored in macros for further processing. *For more examples, please refer to the documentation:* ## Contributing Contributions are always welcome. Check the `CONTRIBUTING.md` file for more information. ## License This work may be distributed and/or modified under the conditions of The [LaTeX Project Public License v1.3c](https://www.latex-project.org/lppl/lppl-1-3c.pdf) or later. This work has the LPPL status *maintained*. The current maintainer of this work is Valentin Dao. This work consists of the file listed in the `MANIFEST.md` file. See `LICENSE` for more information. ## Contact Valentin Dao: [email](mailto:vdao.texdev@gmail.com)