Deltares/dfm_tools

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A Python package for pre- and postprocessing D-Flow FM model input and output files

Stars: 91
Forks: 21
Open beginner issues: 0
Indexed issues: 74
Avg merge: 1d 17h
Merged PRs (30d): 1

Dominant language: Python
License: GPL-3.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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74 open issues indexed

Fix `ssc_add_linked_stations()` test Open

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

Deltares/dfm_tools#1380 · Opened Sep 18, 2026
Simplify `dfmt.meshkernel_get_illegalcells()` after mkpy fix Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

Deltares/dfm_tools#1377 · Opened Aug 6, 2026
Use GESLA API Open

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

Deltares/dfm_tools#1376 · Opened Aug 5, 2026
Feature proposal: small parser for D-Flow FM .dia diagnostic files Open

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

Deltares/dfm_tools#1374 · Opened Jul 18, 2026
Update UHSLC Open

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

Deltares/dfm_tools#1368 · Opened Jul 10, 2026
Create 0.48.0 release Open

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

Deltares/dfm_tools#1363 · Opened Jul 1, 2026
geodataframe_to_PolyFile function cannot handle .pliz files Open

Deltares/dfm_tools#1354 · 2 comments · 2 assignees · Opened May 27, 2026
improve testing Open

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

Deltares/dfm_tools#1347 · Opened May 6, 2026
Drop support for python 3.10 Open

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

Deltares/dfm_tools#1343 · Opened Apr 22, 2026
support for 1D mesh in `meshkernel_to_UgridDataset()` Open

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

Deltares/dfm_tools#1311 · Opened Feb 26, 2026
Remove numpy array warning filter Open

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

Deltares/dfm_tools#1309 · Opened Feb 24, 2026
dfm_tools.get_nc.rasterize_ugrid doesnt work with datasets Open

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

Deltares/dfm_tools#1308 · 1 comment · Opened Jan 28, 2026
Update miniforge installation instructions Open

Difficulty 1/5 Under an hour Newbie friendliness 50/100

Deltares/dfm_tools#1307 · Opened Jan 9, 2026
Error when retrieving some CMEMS observations Open

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

Deltares/dfm_tools#1302 · 1 comment · Opened Dec 16, 2025
Add EMORID rivers as datasource Open

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

Deltares/dfm_tools#1291 · Opened Nov 20, 2025
concat warnings for ERA5 Open

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

Deltares/dfm_tools#1277 · Opened Oct 20, 2025
network written with xarray h5netcdf engine cannot be read by FM kernel Open

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

Deltares/dfm_tools#1275 · 4 comments · Opened Oct 9, 2025
modelbuilder: move quantities to new extfile Open

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

Deltares/dfm_tools#1254 · Opened Aug 21, 2025
plot_ztdata fails for interface-variables Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

Deltares/dfm_tools#1250 · Opened Aug 20, 2025
enforce black Open

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

Deltares/dfm_tools#1248 · 1 comment · Opened Aug 14, 2025
modelbuilder: refine existing network Open

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

Deltares/dfm_tools#1237 · Opened Jul 29, 2025
modelbuilder: refine grid with polygons Open

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

Deltares/dfm_tools#1234 · Opened Jul 3, 2025
Adjust z/zsigma layer reconstruction based on Toplayminthick and Keepzlayeringatbed Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

Deltares/dfm_tools#1222 · Opened Jun 25, 2025
Add source sinks in bc format Open

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

Deltares/dfm_tools#1167 · Opened Mar 26, 2025
Repository is a bit bloated Open

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

Deltares/dfm_tools#1151 · 4 comments · Opened Mar 5, 2025
improve getting layer/interface dimensions? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

Deltares/dfm_tools#1128 · Opened Feb 13, 2025
Increase portability of testbank (follow-up) Open

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

Deltares/dfm_tools#1109 · Opened Feb 4, 2025
copernicusmarine remove hardcoded offset for "rean-d" datasets Open

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

Deltares/dfm_tools#1090 · Opened Jan 30, 2025
copernicusmarine speed up retrieval of time extents Open

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

Deltares/dfm_tools#1082 · 4 comments · Opened Jan 23, 2025
add fes2022 tidal source Open

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

Deltares/dfm_tools#924 · Opened Aug 6, 2024
Consider time correction for ERA5 rainfall and more Open

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

Deltares/dfm_tools#899 · 1 reaction · Opened Jul 10, 2024
snap observation points to nearest cell Open

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

Deltares/dfm_tools#898 · Opened Jul 9, 2024
Make station dimension for hisfiles less hard-coded Open

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

Deltares/dfm_tools#876 · Opened Jun 19, 2024
Overlap with other tools and development ideas Open

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

Deltares/dfm_tools#852 · Opened May 15, 2024
Add non-p-drive source for EOT20 tidal model Open

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

Deltares/dfm_tools#837 · Opened May 8, 2024
Move CMEMS insitu from copernicusmarine files service to subset once available Open

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

Deltares/dfm_tools#835 · Opened May 2, 2024
uxuy (and other quantities) as netcdf instead of bc Open

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

Deltares/dfm_tools#831 · Opened May 1, 2024
bounds attrs are not dropped for dropped variables Open

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

Deltares/dfm_tools#799 · 2 comments · Opened Mar 4, 2024
polyline mapslice for vectors (thalweg) Open

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

Deltares/dfm_tools#783 · 1 comment · Opened Feb 15, 2024
1D2D grid generation overview Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

Deltares/dfm_tools#782 · Opened Feb 14, 2024
Generalize finding of z layer variables Open

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

Deltares/dfm_tools#766 · Opened Feb 2, 2024
Improve slev obsdata subset and retrieve functions Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

Deltares/dfm_tools#712 · Opened Dec 10, 2023
Replace `dfmt.polyline_mapslice` with `uds.intersect_linestring` Open

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

Deltares/dfm_tools#682 · Opened Nov 24, 2023
polyline_mapslice for vectors Open

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

Deltares/dfm_tools#675 · Opened Nov 21, 2023
Simplify line plots along cross-section Open

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

Deltares/dfm_tools#673 · Opened Nov 20, 2023
polyline_mapslice fails for mapformat1 Open

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

Deltares/dfm_tools#648 · Opened Nov 9, 2023
Use mesh2d_bldepth instead of mesh2d_flowelem_bl for `get_Dataset_atdepths` if available in conventions Open

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

Deltares/dfm_tools#635 · Opened Nov 3, 2023
add varlist argument to `dfmt.get_Dataset_atdepths()` or move layer vars to grid-like acessor Open

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

Deltares/dfm_tools#629 · Opened Nov 2, 2023
DAP failure with `GTSMv4.1_opendap` tide source Open

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

Deltares/dfm_tools#613 · 2 comments · Opened Oct 23, 2023
Improve conversions between hydrolib and xarray dataset Open

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

Deltares/dfm_tools#590 · Opened Oct 17, 2023

Deltares/dfm_tools

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