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https://github.com/simonrw/rust-fitsio
FFI wrapper around cfitsio in Rust
https://github.com/simonrw/rust-fitsio
astronomy cfitsio ffi-wrapper rust
Last synced: 2 months ago
JSON representation
FFI wrapper around cfitsio in Rust
- Host: GitHub
- URL: https://github.com/simonrw/rust-fitsio
- Owner: simonrw
- License: apache-2.0
- Created: 2016-05-20T00:50:11.000Z (about 8 years ago)
- Default Branch: main
- Last Pushed: 2024-04-12T20:16:28.000Z (3 months ago)
- Last Synced: 2024-04-14T06:47:10.960Z (3 months ago)
- Topics: astronomy, cfitsio, ffi-wrapper, rust
- Language: C
- Size: 9.15 MB
- Stars: 34
- Watchers: 3
- Forks: 10
- Open Issues: 29
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE-APACHE
Lists
- awesome-rust - mindriot101/rust-fitsio - ci.org/mindriot101/rust-fitsio.svg?branch=master">](https://travis-ci.org/mindriot101/rust-fitsio) (Libraries / Astronomy)
README
# rust-fitsio
FFI wrapper around cfitsio in Rust
[](https://gitter.im/rust-fitsio/Lobby?utm_source=share-link&utm_medium=link&utm_campaign=share-link)
[](https://travis-ci.org/simonrw/rust-fitsio)
[](https://coveralls.io/github/simonrw/rust-fitsio?branch=main)
## Platform support
| Platform | Support level |
| --- | --- |
| Linux arm | Tier 1 |
| Linux x86_64 | Tier 1 |
| macos x86_64 | Tier 1 |
| Linux arm64 | Tier 2 |
| Linux i386 | Tier 2 |
| macos arm64 | Tier 2 |
| Windows msys2 | Tier 3 |
| Windows msvc | - |
Where the tiers refer to:
* Tier 1: guaranteed to work, tested in CI
* Tier 2: should work but not tested by CI
* Tier 3: may work, and not tested by CI
## MSRV
The minimal version of rust we support is 1.58.0.
## Installation
`fitsio` supports versions of `cfitsio >= 3.37`.
`cfitsio` must be compiled with `reentrant` support (making it
thread-safe) if it is to be compiled with the `--enable-reentrant` flag
passed to `configure`. This affects developers of this library as the
tests by default are run in parallel.
For example on a mac with homebrew, install `cfitsio` with:
```sh
brew install cfitsio --with-reentrant
```
Alternatively, it is possible to automatically have `cargo` automatically
compile `cfitsio` from source. To do this, you are required to have a C
compiler, autotools (to run the `configure` script) and make (to run the
`Makefile`). This functionality is made available with the `fitsio-src` feature:
```sh
cargo build --features fitsio-src
```
For the time being, it's best to stick to the development version from
github. The code is tested before being pushed and is relatively
stable. Add this to your `Cargo.toml` file:
```toml,no_sync
[dependencies]
fitsio = "0.21.2"
```
If you want the latest release from `crates.io` then add the following:
```toml
[dependencies]
fitsio = "0.21.2"
```
Or pin a specific version:
```toml
[dependencies]
fitsio = "0.21.2"
```
This repository contains `fitsio-sys-bindgen` which generates the C
wrapper using `bindgen` at build time. This requires clang to build, and
as this is likely to not be available in general, I do not recommend
using it. It is contained here but is not actively developed, and
untested. Use at your own peril. To opt in to building with `bindgen`,
compile as:
```sh
cargo build --no-default-features --features bindgen
```
or use from your `Cargo.toml` as such:
```toml
[dependencies]
fitsio = "0.21.2"
```
## Documentation
`fitsio` [](https://docs.rs/fitsio/)
`fitsio-sys` [](https://docs.rs/fitsio-sys)
`fitsio-sys-bindgen` [](https://docs.rs/fitsio-sys-bindgen)
## Feature support
Supported features of the underlying `cfitsio` library that _are_ available in `fitsio` are detailed in [this tracking issue](https://github.com/simonrw/rust-fitsio/issues/15). If a particular function is not implemented in `fitsio`, then the underlying `fitsfile` pointer can be accessed through an unsafe API.
## Examples
Open a fits file
```rust
let f = fitsio::FitsFile::open("test.fits");
```
Accessing the underlying `fitsfile` object
```rust
fn main() {
let filename = "../testdata/full_example.fits";
let fptr = fitsio::FitsFile::open(filename).unwrap();
/* Find out the number of HDUs in the file */
let mut num_hdus = 0;
let mut status = 0;
unsafe {
let fitsfile = fptr.as_raw();
/* Use the unsafe fitsio-sys low level library to call a function that is possibly not
implemented in this crate */
fitsio_sys::ffthdu(fitsfile, &mut num_hdus, &mut status);
}
assert_eq!(num_hdus, 2);
}
```
## Development
See [./CONTRIBUTING.md](./CONTRIBUTING.md)