Skip to content

Implement our own FFT functions for xr.DataArray #677

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
santisoler wants to merge 5 commits into
base: main
Choose a base branch
from
Draft

Implement our own FFT functions for xr.DataArray #677

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
31ed291
Start adding our own implementation of fft and ifft
santisoler Apr 27, 2026
e75c084
Remove `xrft` as a dependency
santisoler Apr 27, 2026
b76803c
Update test docstring
santisoler Apr 27, 2026
e0c61b0
Draft implementation of true phase and true amplitude
santisoler Apr 28, 2026
26607ab
Add notes to docstrings
santisoler Apr 28, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 0 additions & 1 deletion .github/environment.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,6 @@ dependencies:
- numba>=0.57
- xarray>=2022.03
- verde>=1.9.0
- xrft>=1.0
- choclo>=0.1
- boule>=0.6.0
# Build
Expand Down
5 changes: 2 additions & 3 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -52,9 +52,8 @@ Things that will *not* be covered in Harmonica:
- Multi-physics partial differential equation solvers. Use
[SimPEG](http://www.simpeg.xyz/) or [PyGIMLi](https://www.pygimli.org/)
instead.
- Generic grid processing methods (like FFT and standard interpolation).
We'll rely on [Verde](https://www.fatiando.org/verde),
[xrft](https://xrft.readthedocs.io/en/latest/) and
- Generic grid processing methods (like standard interpolation).
We'll rely on [Verde](https://www.fatiando.org/verde) and
[xarray](https://xarray.dev) for those.
- Data visualization.
- GUI applications.
Expand Down
2 changes: 0 additions & 2 deletions doc/api/index.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -51,8 +51,6 @@ Define filters in the frequency domain.
filters.gaussian_highpass_kernel
filters.reduction_to_pole_kernel

Use :func:`xrft.xrft.fft` and :func:`xrft.xrft.ifft` to apply Fast-Fourier
Transforms and its inverse on :class:`xarray.DataArray`.

Equivalent Sources
------------------
Expand Down
1 change: 0 additions & 1 deletion doc/conf.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,6 @@
"scipy": ("https://docs.scipy.org/doc/scipy/reference", None),
"pandas": ("http://pandas.pydata.org/pandas-docs/stable/", None),
"xarray": ("http://xarray.pydata.org/en/stable/", None),
"xrft": ("https://xrft.readthedocs.io/en/stable/", None),
"pooch": ("https://www.fatiando.org/pooch/latest/", None),
"ensaio": ("https://www.fatiando.org/ensaio/latest/", None),
"verde": ("https://www.fatiando.org/verde/latest/", None),
Expand Down
1 change: 0 additions & 1 deletion doc/install.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,6 @@ Required:
* `scikit-learn <https://scikit-learn.org>`__
* `pooch <http://www.fatiando.org/pooch/>`__
* `verde <http://www.fatiando.org/verde/>`__
* `xrft <https://xrft.readthedocs.io/>`__

Optional:

Expand Down
3 changes: 1 addition & 2 deletions doc/overview.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,7 @@ Harmonica *will not* provide:
instead.
- Generic processing methods like grid transformations (use `Verde
<https://www.fatiando.org/verde>`__ or `Xarray <https://docs.xarray.dev>`__
instead) or multidimensional FFT calculations (use `xrft
<https://xrft.readthedocs.io>`__ instead).
instead).
- Reference ellipsoid representations and computations like normal gravity. Use
`Boule <https://www.fatiando.org/boule>`__ instead.
- Data visualization functions. Use `matplotlib <https://matplotlib.org/>`__
Expand Down
1 change: 0 additions & 1 deletion environment.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,6 @@ dependencies:
- scikit-learn
- verde>=1.8.1
- xarray
- xrft>=1.0
- choclo>=0.1
- boule>=0.6
# Optional requirements
Expand Down
1 change: 0 additions & 1 deletion pyproject.toml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,6 @@ dependencies = [
"numba >= 0.57",
"xarray >= 2022.03",
"verde >= 1.8.1",
"xrft >= 1.0",
"choclo >= 0.1",
"boule >= 0.6.0"
]
Expand Down
Loading
Loading