Struct Hdu 

pub struct Hdu {
    pub header: FitsHeader,
    /* private fields */
}

Available on crate feature fits only.

A Header Data Unit within a FITS file.

Fields

header: FitsHeader

The header section of the HDU.

Implementations

impl Hdu

pub fn new() -> Self

Constructs an HDU with the given header and data.

pub fn to_bytes(self) -> Vec<u8>

Serializes the contents of the HDU to bytes.

pub fn get_name(&mut self) -> String

Gets the name of the HDU, or an empty string if the name cannot be determined.

Examples

use astro_rs::fits::*;

let mut img_hdu = image_hdu::default();
let name_card = FitsHeaderCard::from(*b"EXTNAME = 'hdu_name'                                                            ");
img_hdu.header.cards.insert(img_hdu.header.cards.len() - 1, name_card);
assert_eq!(img_hdu.get_name(), String::from("hdu_name"));

pub fn data_raw(&self) -> &Vec<u8>

Gets the data section of the HDU.

pub fn set_data_raw(&mut self, data_raw: Vec<u8>)

Sets the data section of the HDU.

pub fn get_data<T: FitsDataCollection>(&self) -> Result<T, FitsHeaderError>

Attempts to create a new FitsDataCollection from the data section of the HDU.

pub fn set_data<T: FitsDataCollection>(&mut self, data: &T)

Sets the data section of the HDU.

pub fn get_dimensions(&mut self) -> Vec<usize>

Creates a Vec containing the dimensions of the data section of the HDU as defined by the NAXIS keywords.

Trait Implementations

impl Clone for Hdu

fn clone(&self) -> Hdu

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Hdu

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

Formats the value using the given formatter.

impl Default for Hdu

fn default() -> Hdu

Returns the “default value” for a type.