fits_data

class pyvisgen.fits.fits_data(data_path: str | Path)

Bases: object

Class that handles h5 files simulated with the radiosim package.

Parameters:

data_path: str or :class:`~pathlib.Path`

path to fits data directory

Methods Summary

__call__()	Call self as a function.
get_files(path)	Returns a list of files in natural ordering.
get_freq_data(i)	Loads frequency data from the file at index i of files.
get_uv_data(i)	Loads uv data from the file at index i of files.
open_file(i)	Opens the file and returns the file information.

Methods Documentation

__call__() → None

Call self as a function.

get_files(path: Path) → list[str]

Returns a list of files in natural ordering.

Parameters:

pathPath

Path to the data directory.

Returns:

fits_files_sortedlist

List of files in natural ordering.

get_freq_data(i: int) → _Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | complex | bytes | str | _NestedSequence[complex | bytes | str]

Loads frequency data from the file at index i of files.

Parameters:

iint

Index of the file in files.

Returns:

freq_dataarray_like

Array of frequency data.

base_freqfloat

Base frequency of the observing antenna array.

get_uv_data(i: int) → _Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | complex | bytes | str | _NestedSequence[complex | bytes | str]

Loads uv data from the file at index i of files.

Parameters:

iint

Index of the file in self.files.

Returns:

uv_dataarray_like

Array of uv data.

open_file(i: int) → _Buffer | _SupportsArray[dtype[Any]] | _NestedSequence[_SupportsArray[dtype[Any]]] | complex | bytes | str | _NestedSequence[complex | bytes | str]

Opens the file and returns the file information.

Parameters:

iint

Index of the file in files.

Returns:

info()

Summary information on the FITS file.