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@ -12,7 +12,7 @@ FEMTIC is a 3-D magnetotelluric inversion code based on the following studies. F
**The website of FEMTIC:**
https://sites.google.com/view/yoshiyausui/femtic
# Functional overview
## Functional overview
FEMTIC gives a three-dimensional electrical resistivity structure from the response functions at observation points on the Earth's surface.
**Mesh type**: Tetrahedral mesh / Hexahedral brick mesh / Non-conforming deformed hexahedral mesh
@ -28,7 +28,7 @@ FEMTIC gives a three-dimensional electrical resistivity structure from the respo
**Regularization**: L2 regularization with Laplacian filter / L2 regularization with difference filter / L1 regularization with difference filter
# Release note
## Release note
***v4.2*** Mar. 25, 2024: I modified some parts to allow the use of large-scale models and large datasets.
***v4.1*** Nov. 9, 2021: This new version supports difference filter. The error calculation of log10(apparent resistivity) is modified. Rotation angles of distortion matrix are limited to from -90 to 90 (deg.) when gains and rotations of galvanic distortion are estimated.
@ -41,7 +41,7 @@ FEMTIC gives a three-dimensional electrical resistivity structure from the respo
***v3.4.6*** Sep. 2, 2020: This version allows us to make resistivity of every individual subsurface element to be a different model parameter, in analogy with other 3-D inversion code.
# Pre/post-processing tools for FEMTIC
## Pre/post-processing tools for FEMTIC
Some pre/post-processing tools for FEMTIC, including meshing tools, and their manuals can be downloaded from GitHub. Results of FEMTIC can be visualized by [ParaView](https://www.paraview.org/).
[makeDHexaMesh](https://github.com/yoshiya-usui/makeDHexaMesh.git): Tool for making non-conforming deformed hexahedral mesh for FEMTIC