AbsorptionLookupTable

class pyarts3.arts.AbsorptionLookupTable(*args, **kwargs)

A table of lookup calculations.

Effectively holds a Tensor4 of pre-computed cross-section data. This table is used to interpole to a pressure, temperature, water vmr, and frequency grid.

Overview

Method	readxml()	Read variable from file
Method	savexml()	Saves variable to file
Static Method	fromxml()	Create variable from file
Attribute	f_grid	The frequency grid in Hz
Attribute	log_p_grid	The pressure grid in log Pa [same dimension as atm]
Attribute	t_atmref	Local grids so that pressure interpolation may work
Attribute	t_pert	The temperature perturbation grid in K [any number of elements or empty for nothing]
Attribute	w_pert	The humidity perturbation grid in fractional units [any number of elements or empty for nothing]
Attribute	water_atmref	Local grids so that pressure interpolation may work
Attribute	xsec	The absorption cross section table
Operator	__eq__()	Return self==value.
Operator	__format__()	__format__(self, arg: str, /) -> str
Operator	__ge__()	Return self>=value.
Operator	__getstate__()	Helper for pickle.
Operator	__gt__()	Return self>value.
Operator	__hash__()	Return hash(self).
Operator	__init__()	__init__(self, arg: pyarts3.arts.AbsorptionLookupTable) -> None
Operator	__le__()	Return self<=value.
Operator	__lt__()	Return self<value.
Operator	__ne__()	Return self!=value.
Operator	__repr__()	__repr__(self) -> str
Operator	__str__()	__str__(self) -> str

Constructors

__init__(self) → None

__init__(self, arg: pyarts3.arts.AbsorptionLookupTable) → None

Methods

readxml(self, file: str) → str

Read variable from file

Parameters:

file (str) – A file that can be read

On Error:

Throws RuntimeError for any failure to read

savexml(self, file: str, type: str = 'ascii', clobber: bool = True) → str

Saves variable to file

Parameters:

• file (str) – The path to which the file is written. Note that several of the options might modify the name or write more files

• type (str) – Type of file to save. See FileType for options.

• clobber (bool) – Overwrite existing files or add new file with modified name?

On Error:

Throws RuntimeError for any failure to save

Static Methods

fromxml(file: str) → pyarts3.arts.AbsorptionLookupTable

Create variable from file

Parameters:

file (str) – A file that can be read

On Error:

Throws RuntimeError for any failure to read

Attributes

f_grid: AscendingGrid

The frequency grid in Hz

log_p_grid: DescendingGrid

The pressure grid in log Pa [same dimension as atm]

t_atmref: Vector

Local grids so that pressure interpolation may work

t_pert: AscendingGrid

The temperature perturbation grid in K [any number of elements or empty for nothing]

w_pert: AscendingGrid

The humidity perturbation grid in fractional units [any number of elements or empty for nothing]

water_atmref: Vector

Local grids so that pressure interpolation may work

xsec: Tensor4

The absorption cross section table

Operators

__eq__(value, /)

Return self==value.

__format__(self, arg: str, /) → str

__ge__(value, /)

Return self>=value.

__getstate__()

Helper for pickle.

__gt__(value, /)

Return self>value.

__hash__()

Return hash(self).

__init__(self) → None

__init__(self, arg: pyarts3.arts.AbsorptionLookupTable) → None

__le__(value, /)

Return self<=value.

__lt__(value, /)

Return self<value.

__ne__(value, /)

Return self!=value.

__repr__(self) → str

__str__(self) → str