# mzdata
[![Latest Version](https://img.shields.io/crates/v/mzdata?style=for-the-badge&color=mediumpurple&logo=rust)](https://crates.io/crates/mzdata)
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A Rust library for reading mass spectrometry data file formats.
## Quickstart
```rust
use std::fs;
use mzdata::prelude::*;
use mzpeaks::Tolerance;
use mzdata::MzMLReader;
use mzdata::spectrum::SignalContinuity;
fn main() {
let mut ms1_count = 0;
let mut msn_count = 0;
let reader = MzMLReader::new(fs::File::open("./test/data/small.mzML").unwrap());
for spectrum in reader {
if spectrum.ms_level() == 1 {
ms1_count += 1;
} else {
msn_count += 1;
}
println!("Scan {} => BP {}", spectrum.id(), spectrum.peaks().base_peak().mz);
if spectrum.signal_continuity() == SignalContinuity::Centroid {
let peak_picked = spectrum.into_centroid().unwrap();
println!("Matches for 579.155: {:?}", peak_picked.peaks.all_peaks_for(579.155, Tolerance::Da(0.02)));
}
}
println!("MS1 Count: {}\nMSn Count: {}", ms1_count, msn_count);
assert_eq!(ms1_count, 14);
assert_eq!(msn_count, 34);
}
```
## Supported Formats
1. `mzML` and `indexedmzML`
2. `MGF`
3. `mzMLb`
4. Thermo RAW
## Disclaimer
This library was made in part to learn Rust, so it may not use the preferred idioms,
patterns, or libraries. Any recommendations are welcome.