Struct DiaIndex 

pub struct DiaIndex {
    pub frame_to_group: HashMap<u32, u32>,
    pub group_to_frames: HashMap<u32, Vec<u32>>,
    pub group_to_isolation: HashMap<u32, Vec<(f64, f64)>>,
    pub group_to_scan_ranges: HashMap<u32, Vec<(u32, u32)>>,
    pub group_to_mz_union: HashMap<u32, (f64, f64)>,
    pub group_to_scan_unions: HashMap<u32, Vec<(u32, u32)>>,
    pub frame_time: HashMap<u32, f64>,
    pub group_to_slices: HashMap<u32, Arc<[ProgramSlice]>>,
}

Fields

frame_to_group: HashMap<u32, u32>

MS2 frame_id -> window_group

group_to_frames: HashMap<u32, Vec<u32>>

window_group -> MS2 frame_ids (sorted by time)

group_to_isolation: HashMap<u32, Vec<(f64, f64)>>

window_group -> list of (mz_lo, mz_hi) isolation ranges (normalized)

group_to_scan_ranges: HashMap<u32, Vec<(u32, u32)>>

window_group -> list of (scan_lo, scan_hi) active scan ranges (normalized, inclusive)

group_to_mz_union: HashMap<u32, (f64, f64)>

window_group -> convex m/z union (lo, hi)

group_to_scan_unions: HashMap<u32, Vec<(u32, u32)>>

window_group -> merged disjoint scan unions (inclusive)

frame_time: HashMap<u32, f64>

frame_id -> time (seconds)

group_to_slices: HashMap<u32, Arc<[ProgramSlice]>>

New: pre-materialized program slices per group.

Implementations

impl DiaIndex

pub fn new( meta: &[FrameMeta], info: &[DiaMsMisInfo], wins: &[DiaMsMsWindow], ) -> Self

pub fn program_slices_for_group(&self, g: u32) -> Vec<ProgramSlice>

pub fn tiles_for_precursor_in_group( &self, g: u32, prec_mz: f32, im_apex: f32, ) -> Vec<usize>

Tiles in group g that could have selected this precursor.

Conditions:

1. Precursor IM window overlaps tile scan band.
2. Precursor m/z lies inside tile’s isolation m/z window. Tiles in group g that could have selected this precursor.

Conditions:

1. Precursor apex IM scan lies inside tile scan band.
2. Precursor m/z lies inside tile’s isolation m/z window.

pub fn tiles_for_fragment_in_group( &self, g: u32, im_window: (usize, usize), ) -> Vec<usize>

Tiles in group g that an MS2 fragment cluster could belong to.

IMPORTANT: Fragment m/z is not constrained by isolation window (selection happened before fragmentation). We only check the IM/scan range.

pub fn program_for_group(&self, g: u32) -> Ms2GroupProgram

Convenience: materialize a program description for a group.

pub fn groups_for_precursor(&self, prec_mz: f32, im_apex: f32) -> Vec<u32>

pub fn tile_mz_bounds(&self, g: u32, tile_idx: usize) -> (f32, f32)

Return the m/z isolation bounds (lo, hi) for a given tile index in a group.

If the tile index is out of range for this group, returns (NaN, NaN). This is used by the fragment query to decide whether a fragment’s m/z lies inside the precursor-selection band of the shared tile.

pub fn mz_bounds_for_window_group_core(&self, g: u32) -> Option<(f32, f32)>

pub fn scan_unions_for_window_group_core( &self, g: u32, ) -> Option<Vec<(usize, usize)>>

Trait Implementations

impl Clone for DiaIndex

fn clone(&self) -> DiaIndex

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DiaIndex

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.