Macro mwalib::fits_open_hdu

macro_rules! fits_open_hdu {
    ($fptr : expr, $hdu_num : expr) => { ... };
}

Open a fits file’s HDU.

Examples

// Open a fits file
let metafits = "test_files/1101503312_1_timestep/1101503312.metafits";
let mut fptr = fits_open!(&metafits)?;
// Open HDU 1 (index 0).
let hdu = fits_open_hdu!(&mut fptr, 0)?;