ERT parametric domain depth #697
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anonymouscapibara
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Yes, you are right. When redesigning pyGIMLi to a broad range of methods, this 40% rule was introduced as a general rule for surface data and is not overridden by the ERT manager. This should, however, be the case and will probably be fixed in the future. |
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All clear! |
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Hi all,
I am trying to understand how PyGimli automatically sets the depth of the parametric domain (the parameter mesh for the inversion).
Referring to an old paper by Gunther et al. (2006 - https://doi.org/10.1111/j.1365-246X.2006.03011.x), I read:
I did some tests with different (linear) electrode spreads, different configurations and different spacings, and I noticed that the depth of the parameter mesh is generally set at about 40% of the total spread length. This seems to be confirmed also for a single (e.g. Wenner) quadrupole.
According to the code I developed to compute the cumulative value of the 1D sensitivity, the depth corresponding to the 90% of the 1D sensitivity does not match the depth automatically set by PyGimli.
So I wander if the software still works as stated in the above paper.
Thank you
Diego
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