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.buildinfo

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+# Sphinx build info version 1
+# This file records the configuration used when building these files. When it is not found, a full rebuild will be done.
+config: 217c7699a4bd9606819ea2311a70da98
+tags: 645f666f9bcd5a90fca523b33c5a78b7

.nojekyll

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+emsig.xyz

CNAME

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+.. image:: ./_static/emsig-logo.svg
+   :width: 400 px
+   :align: center
+   :alt: emsig logo
+   :target: https://emsig.xyz
+   :class: dark-light
+
+|
+|
+|
+
+========================================
+ElectroMagnetic Simulation in Geophysics
+========================================
+
+**emsig** are open-source codes to simulate electromagnetic data. Their main
+targets are geophysical applications (exploration and monitoring, engineering,
+environmental), but they are by no means limited to that. The codes with
+extensive documentation are listed on this page. The `emsig GitHub org
+<https://github.com/emsig/>`_ contains besides the main codes also related
+publications for reproducibility purposes and other associated things of
+interest, such as smaller codes which were part of publications.
+
+
+|
+|
+|
+
+.. grid:: 1 2 2 2
+    :gutter: 2
+
+    .. grid-item-card::
+        :img-top: _static/empymod-logo.svg
+
+        3D EM modeller for 1D VTI media
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+        .. button-link:: https://empymod.emsig.xyz
+            :expand:
+            :color: info
+            :click-parent:
+
+            empymod.emsig.xyz
+
+        The modeller **empymod** can compute electric or magnetic responses due
+        to a 3D electric or magnetic source in a layered-earth model with
+        vertical transverse isotropic (VTI) resistivity, VTI electric
+        permittivity, and VTI magnetic permeability, from very low frequencies
+        (DC) to very high frequencies (GPR). The computation is carried out in
+        the wavenumber-frequency domain, and various Hankel- and
+        Fourier-transform methods are included to transform the responses into
+        the space-frequency and space-time domains.
+
+        ++++++
+
+        .. code:: bash
+
+            pip install empymod
+
+        .. code:: bash
+
+            conda install -c conda-forge empymod
+
+    .. grid-item-card::
+        :img-top: _static/emg3d-logo.svg
+
+        Multigrid solver for 3D EM diffusion
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+        .. button-link:: https://emg3d.emsig.xyz
+            :expand:
+            :color: info
+            :click-parent:
+
+            emg3d.emsig.xyz
+
+        The modeller **emg3d** is a multigrid solver for 3D EM diffusion with
+        tri-axial electrical anisotropy. The matrix-free solver can be used as
+        main solver or as preconditioner for Krylov subspace methods, and the
+        governing equations are discretized on a staggered Yee grid.
+
+        ++++++
+
+        .. code:: bash
+
+            pip install emg3d
+
+        .. code:: bash
+
+            conda install -c conda-forge emg3d
+
+|
+|
+|
+
+:fa:`fas fa-users fa-2x` Contributing & Contact
+-----------------------------------------------
+
+**emsig** are community codes, please help to shape their future!
+
+.. grid:: 1
+    :gutter: 2
+
+    .. grid-item-card::
+
+        :fa:`code fa-2x`
+        `Submit bugs, fix typos, contribute code, and so much more!
+        <https://github.com/emsig>`_
+
+    .. grid-item-card::
+
+        :fa:`fa-regular fa-comments fa-2x`
+        Join the **#emsig**-channel on the `SWUNG Chat
+        <https://softwareunderground.org/mattermost>`_.
+
+    .. grid-item-card::
+
+        :fa:`fa-regular fa-envelope fa-2x`
+        If you prefer personal email you can contact me through
+        my website `werthmuller.org. <https://werthmuller.org/contact/>`_
+
+|
+|
+|
+
+Related ecosystem
+=================
+
+**emsig** and its codes are part of a bigger, fast growing, open-source **EM &
+Potential Geo-Exploration Python Ecosystem**:
+
+.. raw:: html
+
+   <p style="line-height:10em">
+
+   <a href=https://pygimli.org><img src="https://www.pygimli.org/_static/gimli_logo.svg" style="max-height: 2cm;"></a>
+
+   <a href=https://simpeg.xyz><img src="https://raw.github.com/simpeg/simpeg/master/docs/images/simpeg-logo.png" style="max-height: 2.5cm;"></a>
+
+   <a style="margin:1em" href=https://petgem.bsc.es><img src="https://petgem.bsc.es/_static/figures/petgem_logo.png" style="max-height: 3cm;"></a>
+
+   <a href=https://gitlab.com/Rochlitz.R/custEM><img src="https://custem.readthedocs.io/en/latest/_static/custEMlogo.png" style="max-height: 1.5cm;"></a>
+
+   <a href=https://docs.pyvista.org><img src="https://raw.githubusercontent.com/pyvista/pyvista/main/doc/source/_static/pyvista_logo_sm.png" style="max-height: 2.5cm;"></a>
+
+   <a style="margin:1em" href=https://www.fatiando.org><img src="https://raw.githubusercontent.com/fatiando/logo/main/logos/fatiando-logo-background.png" style="max-height: 3cm;"></a>
+
+   <a href=https://www.gempy.org><img src="https://raw.github.com/cgre-aachen/gempy/master/docs/source/_static/logos/gempy.png" style="max-height: 2.5cm;"></a>
+
+   <a style="margin:1em" href=https://softwareunderground.github.io/subsurface/><img src="https://raw.github.com/softwareunderground/subsurface/main/docs/source/_static/logos/subsurface.png" style="max-height: 3cm;"></a>
+
+   <a href=https://hkex.gitlab.io/resipy><img src="https://hkex.gitlab.io/resipy/_static/logo.png" style="max-height: 3cm;"></a>
+
+   <a href=https://hkex.gitlab.io/emagpy><img src="https://hkex.gitlab.io/emagpy/_static/logo.png" style="max-height: 3cm;"></a>
+
+   <a href=https://emsig.xyz><img src="https://emsig.xyz/_static/emsig-logo.svg" style="max-height: 2cm;"></a>
+
+   <a href=https://mtpy2.readthedocs.io"><big>&nbsp;&nbsp;MTpy&nbsp;&nbsp;</big></a>
+
+   </p>
+
+|
+|
+|
+
+.. dropdown:: About the name and logo of emsig
+
+    The name **emsig** is an abbreviation in English and a pun in German.
+
+    It stands primarily as abbreviation for ElectroMagnetic Simulation in
+    Geophysics. However, **emsig** is also a German adjective, meaning
+    *hard-working* or *diligent*. Surely, our codes make our computers work
+    hard!
+
+    Finally, moving to the logo, the **sig**-ending can be seen as the short
+    form of **sigma**, the symbol generally used for conductivity in
+    geophysics, one of the elementary properties in electromagnetic modelling.
+    The «s» in the logo of **emsig** is denoted by «ς», a variation of «σ»
+    (sigma) in the Greek alphabet.
+
+    The symbol itself represents the perpendicularity of electric and magnetic
+    fields.
+
+    .. image:: ./_static/emsig-logo.svg
+        :class: dark-light

_images/emg3d-logo.svg

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