Struct NexusMetadata 

pub struct NexusMetadata {
    pub has_histogram: bool,
    pub has_events: bool,
    pub histogram_shape: Option<[usize; 4]>,
    pub n_events: Option<usize>,
    pub flight_path_m: Option<f64>,
    pub tof_offset_ns: Option<f64>,
    pub tof_edges_us: Option<Vec<f64>>,
}

Metadata probed from a NeXus/HDF5 file without loading full data.

Fields

has_histogram: bool

Whether /entry/histogram/counts exists.

has_events: bool

Whether /entry/neutrons group exists with event data.

histogram_shape: Option<[usize; 4]>

Shape of the histogram (rot_angle, y, x, tof), if present.

n_events: Option<usize>

Number of events in /entry/neutrons/event_time_offset, if present.

flight_path_m: Option<f64>

Flight path in meters (from attributes), if present.

tof_offset_ns: Option<f64>

TOF offset in nanoseconds (from attributes), if present.

tof_edges_us: Option<Vec<f64>>

TOF bin edges or centers in microseconds, if present. The probe path consults the dataset’s units attribute and rescales to µs the same way load_nexus_histogram does, so this field is unit-consistent with NexusHistogramData::tof_edges_us.

Trait Implementations

impl Clone for NexusMetadata

fn clone(&self) -> NexusMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NexusMetadata

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

Formats the value using the given formatter.