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🌱 A fast line-by-line code for high-resolution infrared molecular spectra

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### šŸŽÆ Describe what you'd like - [ ] Automatically add Evib and Erot to the .h5 line cache. Good issue to understand how RADIS work, because it touches most...

enhancement
performance
refactor
databases
⭐⭐⭐_

### šŸ› Describe the bug There is a glitch at 132 nm when plotting a Planck function, likely due to the air_index_dispersion ### šŸ–„ Steps To Reproduce ``` from radis...

bug
post-process

SpectrumFactory can read arbitrary `astropy.units` inputs after #55 We need to do the same thing for the Spectrum post-processing methods, for instance `rescale_path_length`, `crop`, etc. See all the methods there:...

good first issue
post-process
interface
šŸ˜Ž.

Extension of previous PR : --- (details) I would make clearer the if ... then ... else here ``` if len(wrange) == 2: blabla elif isinstance(wrange, (int, float)): blabla else:...

good first issue
post-process
interface
šŸ˜Ž.

### šŸŽÆ Describe what you'd like Currently RADIS only supports nonequilibrum for CO and CO2. We should start extending to all other HITRAN species ! This is a major project...

enhancement
physics
šŸ¤”šŸ¤”.

### šŸŽÆ Describe what you'd like With the new algorithm, there's an opportunity to make line-of-sight calculations considerably faster by integrating only the Lineshape Distribution Matrix (LDM), and not the...

enhancement
performance
physics

Click to [Vote](https://feathub.com/radis/radis) or [Suggest New Feature](https://feathub.com/radis/radis/features/new): [![Feature Requests](https://feathub.com/radis/radis?format=svg)](https://feathub.com/radis/radis) See Also: - https://github.com/radis/radis/issues/77 Documentation Todo List - https://github.com/radis/radis/issues/53 Long Term Todo List **You can also directly ask on the Community...

enhancement
interface
physics
databases

### šŸ› Describe the bug I’m trying to write a fitting routine for CO2 using `lmfit` and stumbled upon a ValueError being raised in `calc.py`, `_is_at_equilibrium()`. ```error ~\AppData\Local\Programs\Python\Python39\lib\site-packages\radis\lbl\calc.py in _is_at_equilibrium()...

bug

### Description This pull request is to address a TODO found in radis/lbl/calc.py. The change catches and raises a KeyError when a molecule is missing from a dictionary (isotope, mole_fraction,...

### šŸ”– Feature description For example this [Kangwanpongpan 2012](https://www.sciencedirect.com/science/article/abs/pii/S0017931012005686) paper ![1663592903006](https://user-images.githubusercontent.com/113911108/191024585-0db52b8d-52dc-4e3f-9f61-d7db9fd080ee.png) ![1663592816391](https://user-images.githubusercontent.com/113911108/191024319-c835b8e6-284d-4f92-9c49-fcf4634d3ccc.png) ### šŸ‘‰ Why you want this feature!! _No response_

enhancement
physics