Re: [arts-users] ReadHITRAN problem

2023-12-06 Thread suifengbenpao2023
Dear Richard, Thank you for your prompt response and assistance! I have reviewed the GitHub repository you provided at https://github.com/atmtools/arts-cat. I would like to clarify whether HITRAN2020 data is already considered in this dataset. If so, can I directly use the data provided in the

Re: [arts-users] ReadHITRAN problem

2023-12-06 Thread Richard Larsson
Hi Jiaan. I recommend using the arts-cat-data package we provide. It is available at https://www.radiativetransfer.org/tools/ under the heading ARTS Catalog Data. I have added Zeeman effect and line mixing of O2 to those lines (the exact changes are in my repository at https://github.com/atmtool

Re: [arts-users] ReadHITRAN problem

2023-12-06 Thread suifengbenpao2023
Hi Richard, Thank you for your careful explanation. I do want to consider the Zeeman splitting effect (especially oxygen) and accelerate the calculation speed. According to your explanation, I need to consider quantum numbers. Is there a way for me to consider quantum numbers? Can we set the g

Re: [arts-users] ReadHITRAN problem

2023-12-06 Thread Richard Larsson
Hi Jiaan, qns' and qns'' contain HITRAN quantum numbers (mostly based on VAMDC). There is some quantum number definition in the pure 150-char par-line, but we do not parse it as it is generally not possible with the information available (the paper-published format doesn't always agree with what i

Re: [arts-users] ReadHITRAN problem

2023-12-06 Thread suifengbenpao2023
Hi Oliver, Thank you for your help! However, I have a doubt. I compared the extracted data with the data in the directory/home/zc/arts XML data-2.4/spectoscopy/Hitran. Their respective results are as follows: (1) 9021534521.6108 2.9232326101396e-22 3.16646203680995e-20 26 26 8.491e-11 nan n