Re: [arts-dev] Problem with line absorption in ARTS

2017-10-16 Thread Richard Larsson
Stefan, Ok, then 'Mirrored Lorentz' is not a good replacement since it works differently. This will also be difficult to consider in any new implementation. I thought the policy was to leave such optimizations up to the user... The new system I suggest has to remove the lineshapes of today and

Re: [arts-dev] Problem with line absorption in ARTS

2017-10-16 Thread Stefan Buehler
Dear Richard, > Ps. The cutoff is determined based on the negative frequency and not on the > frequency of the line. Not sure if that is intentional or not, since I still > have not read the papers on why the cutoff exists. This is not a big > numerical issue but at most a potential mismatch

Re: [arts-dev] Problem with line absorption in ARTS

2017-10-16 Thread Richard Larsson
S – I’ll get round to updating > it once I’ve had a chance to get round to somehow installing cmake 3 on our > systems so that I can actually compile anything newer… > > > > > > > > Cheers, > > > > > > > > Stuart > > > > > > > > F

Re: [arts-dev] Problem with line absorption in ARTS

2017-10-15 Thread Stefan Buehler
3 on our > systems so that I can actually compile anything newer… > > > > Cheers, > > > > Stuart > > > > From: Richard Larsson [mailto:ric.lars...@gmail.com] > Sent: 13 October 2017 14:01 > To: Fox, Stuart > Cc: arts_dev.mi@lists.uni-h

Re: [arts-dev] Problem with line absorption in ARTS

2017-10-13 Thread Richard Larsson
get round to somehow installing cmake 3 on our > systems so that I can actually compile anything newer… > > > > Cheers, > > > > Stuart > > > > *From:* Richard Larsson [mailto:ric.lars...@gmail.com] > *Sent:* 13 October 2017 14:01 > *To:* Fox, Stuart > *

Re: [arts-dev] Problem with line absorption in ARTS

2017-10-13 Thread Fox, Stuart
, Stuart From: Richard Larsson [mailto:ric.lars...@gmail.com] Sent: 13 October 2017 14:01 To: Fox, Stuart Cc: arts_dev.mi@lists.uni-hamburg.de Subject: Re: [arts-dev] Problem with line absorption in ARTS Stuart, I am also seeing the problem but I have no time to investigate in detail. As a

Re: [arts-dev] Problem with line absorption in ARTS

2017-10-13 Thread Richard Larsson
Stuart, I am also seeing the problem but I have no time to investigate in detail. As a temporary solution, there exists another lineshape called "Mirrored Lorentz" that you can use. Testing your controlfile with it instead, the results are more reasonable. Simply change your abs_lines_per_speci

[arts-dev] Problem with line absorption in ARTS

2017-10-13 Thread Fox, Stuart
Hi all, I wasn't sure whether to ask this on arts-user or arts-dev - I'm not sure whether there's a bug in ARTS or something wrong with my inputs! I'm trying to do some clear sky brightness temperature simulations for Earth using water vapour lines from HITRAN-2016. However, I am getting huge (