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GEOPY-2449: Create UI and Driver for the classification of EM anomalies #178

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0821246
Add two functions, with unitests
domfournier Jan 19, 2026
2635fcb
Bump copyright years
domfournier Jan 19, 2026
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More years
domfournier Jan 19, 2026
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Re-align years
domfournier Jan 20, 2026
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domfournier Jan 20, 2026
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Rename function and accept origin as input. Alphabetic re-order the f…
domfournier Jan 20, 2026
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Better typing
domfournier Jan 20, 2026
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2 changes: 1 addition & 1 deletion LICENSE
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MIT License

Copyright (c) 2023-2025 Mira Geoscience
Copyright (c) 2022-2026 Mira Geoscience

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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2 changes: 1 addition & 1 deletion README-dev.rst
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Expand Up @@ -335,4 +335,4 @@ Here is a suggestion for some plugins you can install in PyCharm.

Copyright
^^^^^^^^^
Copyright (c) 2023-2025 Mira Geoscience Ltd.
Copyright (c) 2022-2026 Mira Geoscience Ltd.
2 changes: 1 addition & 1 deletion README.rst
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Expand Up @@ -149,7 +149,7 @@ License
^^^^^^^
MIT License

Copyright (c) 2023-2024 Mira Geoscience
Copyright (c) 2022-2026 Mira Geoscience

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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2 changes: 1 addition & 1 deletion geoapps_utils-assets/__init__.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2022-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/__init__.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2022-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/base.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/driver/__init__.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/driver/data.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/driver/driver.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/driver/params.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/modelling/__init__.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/modelling/plates.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/param_sweeps/__init__.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/param_sweeps/driver.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/param_sweeps/generate.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/run.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/utils/__init__.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2024-2025 Mira Geoscience Ltd. '
# Copyright (c) 2024-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/utils/conversions.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/utils/formatters.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/utils/importing.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/utils/iterables.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/utils/locations.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/utils/logger.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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33 changes: 32 additions & 1 deletion geoapps_utils/utils/numerical.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
Expand All @@ -11,6 +11,7 @@
from __future__ import annotations

import numpy as np
from scipy.sparse import csr_matrix, diags
from scipy.spatial import cKDTree


Expand Down Expand Up @@ -202,3 +203,33 @@ def fit_circle(x_val: np.ndarray, y_val) -> tuple[float, float, float]:
radius = (coef[0] ** 2.0 + coef[1] ** 2.0 + coef[2]) ** 0.5

return radius, coef[0], coef[1]


def inverse_weighted_operator(
values: np.ndarray,
col_indices: np.ndarray,
shape: tuple,
power: float,
threshold: float,
) -> csr_matrix:
"""
Create an inverse distance weighted sparse matrix.

:param values: Distance values.
:param col_indices: Column indices for the sparse matrix.
:param shape: Shape of the sparse matrix.
:param power: Power for the inverse distance weighting.
:param threshold: Threshold to avoid singularities.

:return: Inverse distance weighted sparse matrix.
"""
weights = (values**power + threshold) ** -1
n_vals_row = weights.shape[0] // shape[0]
row_ids = np.repeat(np.arange(shape[0]), n_vals_row)
inv_dist_op = csr_matrix(
(weights, (row_ids, col_indices)),
shape=shape,
)
# Normalize the rows
row_sum = np.asarray(inv_dist_op.sum(axis=1)).flatten() ** -1.0
return diags(row_sum) @ inv_dist_op
2 changes: 1 addition & 1 deletion geoapps_utils/utils/plotting.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2023-2025 Mira Geoscience Ltd. '
# Copyright (c) 2022-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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2 changes: 1 addition & 1 deletion geoapps_utils/utils/reference.py
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# '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
# Copyright (c) 2024-2025 Mira Geoscience Ltd. '
# Copyright (c) 2024-2026 Mira Geoscience Ltd. '
# '
# This file is part of geoapps-utils package. '
# '
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