Search found 10 matches

by freitag
Fri Feb 11, 2011 9:05 pm
Forum: Dinver usage
Topic: spherical earth and dinver
Replies: 15
Views: 12167

I was also thinking of a GeopsyPy module for ObsPy. I've written a couple of scripts that basically interface with the dinver-tools. Was that what you had in mind or did you think of something more sophisticated.
by freitag
Fri Feb 11, 2011 12:10 am
Forum: Dinver usage
Topic: spherical earth and dinver
Replies: 15
Views: 12167

I'd also be interested to find out about the licence status of DISPER80 in order to include it into ObsPy (www.obspy.org). However I could neither track down Saito nor Doornbos (the editor). Quite strange.
by freitag
Wed Feb 09, 2011 9:27 pm
Forum: Dinver usage
Topic: water column
Replies: 2
Views: 4804

Hi Marc, Sorry for my latish reply. I just saw that you were discussing to include Saito's code into dinver in a separate thread. As this code can also handle liquid layers you could kill two birds with one stone. I further found some remarks on this problem in Aki and Richards (2nd edition; Chapter...
by freitag
Sun Jan 09, 2011 8:47 pm
Forum: Dinver usage
Topic: water column
Replies: 2
Views: 4804

water column

Hi Marc,

I was trying to invert dispersion curves from an oceanic region. However, dinver gets stuck when the S-velocity of the first layer is set to zero. Is there any way that dinver can handle a water layer at the top?

Cheers,
Yannik
by freitag
Fri Jul 09, 2010 3:17 am
Forum: Dinver usage
Topic: swim
Replies: 1
Views: 9326

swim

Hi Marc,

I saw the new feature "swim" in the last snapshot that I downloaded (src-2.1.0-snapshot-20100616). It sounds quite interesting but I couldn't figure out how to use it. Does it work already and if so, what kind of input does it require?

Cheers,
Yannik
by freitag
Mon May 24, 2010 9:04 pm
Forum: Dinver usage
Topic: gptarget usage
Replies: 3
Views: 5219

Thanks for that.
Cheers,
Yannik
by freitag
Mon Apr 19, 2010 11:06 pm
Forum: Dinver usage
Topic: gptarget usage
Replies: 3
Views: 5219

gptarget usage

Hi Marc,

I was wondering if there's a possibility to add weights to a measurement point of the dispersion curve (as you can do in the dinver interface) without directly adding the xml file.
I couldn't find anything on that in the gptarget help.

Cheers,
Yannik
by freitag
Wed Sep 30, 2009 8:06 pm
Forum: Dinver usage
Topic: dinver for arbitrary problems
Replies: 4
Views: 7816

Thanks Marc
by freitag
Wed Sep 23, 2009 2:43 am
Forum: Dinver usage
Topic: Importance sampling
Replies: 1
Views: 4403

Importance sampling

Hi Marc, I already asked a similar question before, but maybe in the wrong context. I couldn't find any documentation on the importance sampling neither on the web nor in your thesis. The way I used the importance sampling was by adding a new run, setting RunType to 'Importance sampling' and then st...
by freitag
Fri Sep 18, 2009 5:18 am
Forum: Dinver usage
Topic: dinver for arbitrary problems
Replies: 4
Views: 7816

importance sampling

Hi Marc and Mathias, I couldn't find any documentation or forum entries on the importance sampling apart from this one. Does it the same thing that Malcolm Sambridge does with his NA_bayes code (evaluating bayesian integrals using the Neighbourhood algorithm)? If so, how are the results stored in th...