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

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This pull request is to address the caching of non-equilibrium parameters, so that they can be retrieved and accessed later. Currently, I've only implemented generation of a cache file each...

performance

This pull request aims to implement all illustrative scripts serving as gallery examples for the new fitting module added in #520. This pull request will feature: - `plot_newfitting_Tgas-molfrac.py` : Mr....

### 🐛 Describe the bug Currently, we can computer spectrum for a single molecule in non-air diluents (implemented in [PR: 495](https://github.com/radis/radis/pull/495). For example: ``` calc_spectrum( wavenum_min=2245, wavenum_max=2250, Tgas=700, path_length=0.1, molecule="CO",...

bug
good first issue
😎.

### 🐛 Describe the bug By default, I have interactive plotting OFF in matplotlib (i.e. plt.ioff()) Radis seems to assume it is ON by default (i.e. plt.ion()) It would be...

bug
interface

### 💭 Description HITEMP-CO2 has some unlabelled lines; therefore the following non-eq calculations won't work : ```python from radis import calc_spectrum calc_spectrum(2000, 3000, molecule='CO2', Trot=3000, isotope=1, Tvib=(3000, 3000, 1000), databank='hitemp')...

todo

Use RADIS to post-process Raman spectra: - [ ] Add Raman as a spectral quantity - [ ] Add a `raman_spectrum` function - [ ] Add docs - [ ]...

enhancement
post-process

### 💭 Description Some species like CO2, CO, H2O have many isotopes but most of our calculations use only the first ones (1,2,3). Current implementation downloads all isotopes and stores...

refactor
todo

### 🔖 Feature description Parsing HITRAN/HITEMP file is currently very slow. #505 improved it a bit for HITRAN files, using the HAPI implementation which is faster than RADIS's initial implementation....

enhancement
good first issue
performance
databases

### 🔖 Feature description We're working on a feature for RADIS App to allow the user to download the spectrum file (https://github.com/suzil/radis-app/pull/619). To do this, we do `spectrum.store(file_path)`, load the...

enhancement

### 🐛 Describe the bug Hey team, I try to run this script but it is giving these strange logs , and I also delete .radisdb/ folder and try many...

bug
help wanted
db:hitran