opentfraw 1.0.6

Rust parser for Thermo Fisher RAW mass spectrometry files.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

use crate::error::Result;
use crate::reader::BinaryReader;
use std::io::{Read, Seek};

/// One entry in the scan index array (v66: 92 bytes).
#[derive(Debug)]
pub struct ScanIndexEntry {
    pub index: u32,
    pub scan_event: u16,
    pub scan_segment: u16,
    pub data_size: u32,
    pub start_time: f64,
    pub total_current: f64,
    pub base_intensity: f64,
    pub base_mz: f64,
    pub low_mz: f64,
    pub high_mz: f64,
    /// 64-bit offset relative to data stream start.
    pub offset: u64,
}

impl ScanIndexEntry {
    pub(crate) fn read<R: Read + Seek>(r: &mut BinaryReader<R>, version: u32) -> Result<Self> {
        let offset_32 = r.read_u32()?;
        let index = r.read_u32()?;
        let scan_event = r.read_u16()?;
        let scan_segment = r.read_u16()?;
        let _next = r.read_u32()?;
        let _unk = r.read_u32()?;
        let data_size = r.read_u32()?;
        let start_time = r.read_f64()?;
        let total_current = r.read_f64()?;
        let base_intensity = r.read_f64()?;
        let base_mz = r.read_f64()?;
        let low_mz = r.read_f64()?;
        let high_mz = r.read_f64()?;

        let offset = if version >= 64 {
            r.read_u64()?
        } else {
            offset_32 as u64
        };

        if version >= 66 {
            // Two trailing unknown u32s
            let _unk1 = r.read_u32()?;
            let _unk2 = r.read_u32()?;
        }

        Ok(Self {
            index,
            scan_event,
            scan_segment,
            data_size,
            start_time,
            total_current,
            base_intensity,
            base_mz,
            low_mz,
            high_mz,
            offset,
        })
    }
}