pytroll/pyresample

View on GitHub

Geospatial image resampling in Python

Stars: 385
Forks: 102
Open beginner issues: 0
Indexed issues: 97
Avg merge: 4d 2h
Merged PRs (30d): 9

Dominant language: Python
License: LGPL-3.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue hacktoberfest

Beginner friendly Everything

Open All

97 open issues indexed

Geometry `__eq__` and `__hash__` violate Python's hash/equality contract Open

bug Priority-Medium

pytroll/pyresample#745 · 1 comment · 3 assignees · Opened Sep 6, 2026
Improve resampler x/y coordinate metadata Open

bug

pytroll/pyresample#739 · 1 assignee · Opened Aug 18, 2026
gradient_search leaves part of the destination empty for a partial geostationary disk Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

pytroll/pyresample#728 · Opened Jun 29, 2026
When using the resample_nearest function in pyresample for interpolation, it sometimes produces NaN values. Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

pytroll/pyresample#698 · 1 comment · Opened Feb 5, 2026
`AreaDefinition.get_area_slices` doesn't work for cropped geostationary areas like SEVIRI RSS Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

pytroll/pyresample#694 · 5 comments · Opened Jan 5, 2026
gradient_search comb effect Open

pytroll/pyresample#682 · 7 comments · 1 assignee · Opened Sep 24, 2025
bilinear reference broken Open

pytroll/pyresample#671 · 1 comment · 1 assignee · Opened Aug 1, 2025
Documentation - ImageContainer is deprecated and should not appear as the default in RTD pages Open

bug documentation

pytroll/pyresample#632 · 1 comment · 1 assignee · Opened Nov 18, 2024
Investigations in using GPU for pyresample Open

in progress

Difficulty 5/5 Over a week Newbie friendliness 20/100

pytroll/pyresample#630 · 4 comments · Opened Nov 4, 2024
Better handling of anti-meridian cases Open

bug enhancement

pytroll/pyresample#627 · 5 comments · 1 assignee · Opened Oct 23, 2024
RuntimeWarning: invalid value encountered in divide x_2 = (-b__ - np.sqrt(discriminant)) / (2 * a__) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pytroll/pyresample#608 · 3 comments · Opened Jul 19, 2024
"resample_nearest" GEO swath to eqc has tiny periodic "glitch" in results Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pytroll/pyresample#595 · 1 comment · Opened Apr 17, 2024
YAML area configuration does not allow to specify the dtype and dtype is ignored in equality comparisons Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

pytroll/pyresample#590 · 6 comments · Opened Mar 15, 2024
Remove Configobj as Dependency Due To Security Vulnerability and No Longer Maintaned Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

pytroll/pyresample#589 · 5 comments · 2 reactions · Opened Mar 5, 2024
dump DynamicAreaDefinition to YAML Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

pytroll/pyresample#569 · Opened Dec 11, 2023
Wrong coordinates returned by `AreaDefintion.get_lonlats` for some projections in out-of-Earth locations Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pytroll/pyresample#558 · 6 comments · Opened Nov 27, 2023
The finding of the optimal radius of influence makes assumption on the ordering of the dimensions in the longitude array Open

pytroll/pyresample#554 · 6 comments · 1 assignee · Opened Nov 17, 2023
Make a Swath definition subclass for interpolated data Open

enhancement

pytroll/pyresample#552 · 4 comments · 1 reaction · 1 assignee · Opened Oct 24, 2023
Catch or fix pyproj UserWarning when loading an AreaDefinition from a netCDF/CF file Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pytroll/pyresample#550 · 1 comment · 1 reaction · Opened Oct 16, 2023
Bug where boundary coordinates wrap around 180 degrees when geostationary AreaDefinition extends beyond 180 degrees Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pytroll/pyresample#530 · 7 comments · Opened Jul 10, 2023
Index Error when calling `boundary` with non full disk geos ara Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

pytroll/pyresample#529 · 5 comments · Opened Jul 10, 2023
Refactor boundary creation logic Open

backwards-incompatibility enhancement refactor

Difficulty 5/5 Over a week Newbie friendliness 20/100

pytroll/pyresample#525 · Opened Jun 21, 2023
Time for spherical intersection almost doubled in recent version of pyresample Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pytroll/pyresample#500 · Opened Feb 17, 2023
Reconstruct CRS from WKT only Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

pytroll/pyresample#460 · 1 comment · Opened Oct 12, 2022
BucketResampler doesn't accept numpy arrays. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pytroll/pyresample#459 · 1 comment · Opened Oct 9, 2022
Use 'usedforsecurity' flag when using hashing functions for non-security purposes Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 38/100

pytroll/pyresample#452 · Opened Sep 7, 2022
`gradient_search` producing nan output for some resampling operations Open

bug

pytroll/pyresample#449 · 1 comment · 1 assignee · Opened Aug 5, 2022
Image produced by `gradient_search` has slightly different extent to `native` Open

bug

pytroll/pyresample#444 · 1 comment · 1 assignee · Opened Jul 12, 2022
Gradient search not correctly resampling GOES-16 image Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pytroll/pyresample#442 · Opened Jul 6, 2022
Add conservative resampler Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

pytroll/pyresample#440 · 12 comments · Opened Jul 3, 2022
Resampling swath to another swath: no attribute get_proj_coords Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pytroll/pyresample#436 · 3 comments · Opened Jun 23, 2022
Negative pixel size if area is flipped Open

pytroll/pyresample#433 · 8 comments · 1 assignee · Opened May 11, 2022
bucket resampler get_max, get_min are not optimally parallelised Open

enhancement performance

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pytroll/pyresample#432 · 1 comment · Opened May 9, 2022
area not equal after storing and loading Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 30/100

pytroll/pyresample#430 · 6 comments · Opened Apr 8, 2022
create_area_def produces area definition with invalid latitudes Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

pytroll/pyresample#419 · 3 comments · Opened Feb 4, 2022
`__contains__`, `overlaps`, `overlap_rate`, `intersection`, `get_area` methods provide errors/wrong results for geos AreaDef / SwathDef Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

pytroll/pyresample#412 · 1 comment · Opened Jan 4, 2022
Performance improvement: `AreaDefinition.__getitem__` force to lons/lats array recomputations after slicing Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

pytroll/pyresample#411 · 9 comments · Opened Jan 4, 2022
Naive "rounding to even" affect correctness of `get_array_indices_from_lonlat` and `get_area_slices` in some occasions Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

pytroll/pyresample#410 · 14 comments · Opened Jan 4, 2022
`AreaDefinition.get_xy_from_proj_coords` code error in function call of `get_array_indices_from_projection_coordinates` Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

pytroll/pyresample#409 · Opened Jan 4, 2022
`SwathDef.get_area_extent_for_subset` make no sense for SwathDefinition Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

pytroll/pyresample#408 · Opened Jan 4, 2022
`SwathDef.aggregate` bugs and enhancements Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

pytroll/pyresample#407 · Opened Jan 4, 2022
dunder methods missing from readthedocs API Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

pytroll/pyresample#394 · 1 comment · Opened Nov 9, 2021
outer_boundary_corners and __contains__ raise ValueError on some areas Open

bug documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

pytroll/pyresample#393 · 1 comment · Opened Nov 9, 2021
problem about nprocs parameter in kd_tree.resample_nearest Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

pytroll/pyresample#387 · 7 comments · Opened Oct 26, 2021
New Resampler interface design and discussion Open

enhancement

pytroll/pyresample#381 · 1 comment · 4 assignees · Opened Sep 28, 2021
Operation to check if two polygons overlap is inefficient Open

pytroll/pyresample#372 · 1 assignee · Opened Jul 20, 2021
`get_area_slices` method returns wrong slices Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pytroll/pyresample#371 · 8 comments · Opened Jun 24, 2021
Add reproject method to AreaDefinition Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pytroll/pyresample#366 · 4 comments · Opened Jun 2, 2021
Add Resampler helper decorators Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

pytroll/pyresample#360 · Opened May 21, 2021
Change Resampler caching options to Resampler creation Open

backwards-incompatibility enhancement

pytroll/pyresample#359 · 4 assignees · Opened May 20, 2021

pytroll/pyresample

Get new issues in your inbox