isce-framework/isce3

InSAR Scientific Computing Environment

Stars: 239
Forks: 90
Open beginner issues: 0
Indexed issues: 98
Avg merge: 13d 1h
Merged PRs (30d): 5

Dominant language: Python
License: No license data
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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98 open issues indexed

Aliasing in polar regions for anisotropic grid spacings (impacts GSLC) Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

isce-framework/isce3#380 · 1 comment · Opened Sep 15, 2026
RSLC behavior when no common mode exists? Open

RSLC

isce-framework/isce3#377 · 1 assignee · Opened Sep 8, 2026
If I want to measure deformation caused by an earthquake, what values should I use for the multilooking and Gaussian-filter parameters? Open

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

isce-framework/isce3#376 · Opened Sep 7, 2026
Systematic burst-to-burst phase offsets in S1C x S1D interferograms Open

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

isce-framework/isce3#375 · 3 comments · Opened Sep 2, 2026
GCOV complex fill values may be stored as `nan + 0j` instead of `nan + nanj` in the GCOV product specifications Open

isce-framework/isce3#364 · 1 assignee · Opened Aug 20, 2026
Performance: vectorizing generate_insar_mask() makes prepare_insar_hdf5 5x faster Open

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

isce-framework/isce3#354 · Opened Aug 13, 2026
cuda.geometry.Rdr2Geo.topo() pybind11 binding is missing default arguments that geometry.Rdr2Geo.topo() (CPU) has Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

isce-framework/isce3#353 · Opened Aug 13, 2026
Rubbersheet polyfit: a 1/32 px offset change can discontinuously alter the final inlier set at critical_value=0.1 Open

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

isce-framework/isce3#351 · 2 comments · Opened Aug 12, 2026
GUNW/GCOV - Possible issue with frame labeling as partial / full Open

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

isce-framework/isce3#342 · 1 comment · Opened Jul 27, 2026
Performance: per-pixel dynamic scheduling and unneeded atomics in RTC `_normalizeRtcArea` cost ~11% of GCOV geocode time at NISAR scale Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

isce-framework/isce3#341 · 2 comments · Opened Jul 25, 2026
GSLC sigma0, beta0, and gamm0 LUTs cover additional area Open

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

isce-framework/isce3#340 · 1 comment · Opened Jul 23, 2026
Feature request: CUDA backend for geocodeSlc using existing CUDA Geocode infrastructure Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

isce-framework/isce3#338 · 1 comment · Opened Jul 21, 2026
`attitudeType` is always set to "Custom" Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

isce-framework/isce3#336 · Opened Jul 13, 2026
`generate_insar_mask()`: inputDataExceptionMask bits silently dropped from InSAR mask layer under NumPy ≥ 2.0 (uint8 scalar left-shift overflows to 0) Open

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

isce-framework/isce3#335 · 1 comment · Opened Jul 9, 2026
Troposphere phase screen across the antimeridian has the gaps Open

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

isce-framework/isce3#331 · Opened Jun 29, 2026
(RSLC) Clarify `validSamplesSubSwath*` Description and Indexing Convention? Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

isce-framework/isce3#329 · Opened Jun 24, 2026
(InSAR) `configFiles` metadata field populated with `"None"` Open

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

isce-framework/isce3#326 · Opened Jun 22, 2026
(RUNW) HDF5 Statistics Attributes Missing for RUNW Ionosphere Metadata Open

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

isce-framework/isce3#320 · Opened Jun 18, 2026
(InSAR) Some attributes are variable-length strings; should be fixed-length strings Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

isce-framework/isce3#319 · Opened Jun 18, 2026
(RIFG/RUNW/GUNW) `isOffsetsBlendingApplied` metadata value is "None"; should be a boolean Open

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

isce-framework/isce3#318 · Opened Jun 18, 2026
(RSLC) Inconsistent Metadata values Open

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

isce-framework/isce3#317 · Opened Jun 18, 2026
(Spec non-compliance) (RSLC) `validSamplesSubSwathX` has extraneous `units` attribute Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

isce-framework/isce3#316 · Opened Jun 18, 2026
(Spec non-compliance) dtype Mismatch: `diagnosticModeFlag` (XML uint8 vs HDF5 uint32) Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

isce-framework/isce3#313 · 2 comments · Opened Jun 18, 2026
(CF Compliance) (RUNW/GUNW) `ionosphereOutliers` datasets have `dtype=object` Open

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

isce-framework/isce3#312 · Opened Jun 18, 2026
(CF Compliance) (All Products) `absoluteOrbitNumber` has incorrect and invalid `units` attribute Open

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

isce-framework/isce3#311 · 3 comments · Opened Jun 18, 2026
(GSLC/GCOV) `noiseEquivalentBackscatter` datasets should be float32 Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

isce-framework/isce3#305 · 2 comments · Opened Jun 18, 2026
(CF Compliance) `valid_min` and `valid_max` Attribute Dtype Mismatch Open

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

isce-framework/isce3#304 · Opened Jun 18, 2026
Will Faraday Rotation correction be applied? Open

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

isce-framework/isce3#302 · Opened Jun 17, 2026
Elevation Antenna Pattern dataset contains constant 1.0+0.0j (Placeholder Data?) Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

isce-framework/isce3#301 · 1 reaction · Opened Jun 17, 2026
(RSLC) Missing `_FillValue` attribute on swath polarization datasets Open

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

isce-framework/isce3#299 · Opened Jun 17, 2026
(RSLC) GeolocationGrid EPSG + coordinate units inconsistency between RSLC HDF5 and other L1 products Open

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

isce-framework/isce3#296 · Opened Jun 17, 2026
(RSLC) RFI tone-rank: Variable group names hinder programmatic access Open

isce-framework/isce3#295 · 1 assignee · Opened Jun 16, 2026
`rfiLikelihood` metadata exceeds documented [0,1] interval for tone-rank algorithm Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

isce-framework/isce3#294 · Opened Jun 16, 2026
`Polyfill.io` Dependency Redirects to Credential Phishing Site on Docs Site Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

isce-framework/isce3#290 · 1 comment · 3 reactions · Opened Jun 11, 2026
(RSLC/GSLC/GCOV) Crosstalk metadata populated with all zero values Open

isce-framework/isce3#287 · 1 reaction · 3 assignees · Opened Jun 9, 2026
(All L1/L2 products) Missing/Unpopulated dataset: `listOfObservationModes` Open

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

isce-framework/isce3#285 · 1 comment · Opened Jun 4, 2026
RIFG, RUNW, GUNW - Use of Polyfitting leads to layers containing all zero values Open

isce-framework/isce3#284 · 1 comment · 2 assignees · Opened Jun 4, 2026
Inconsistent parameter name in `RadarGridParameters.__init__()` Open

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

isce-framework/isce3#272 · Opened May 22, 2026
Loading mask layer using GCOV reader? Open

isce-framework/isce3#266 · 1 comment · 1 assignee · Opened May 15, 2026
Regression: CUDA Rdr2Geo.topo() pybind binding lost optional-raster defaults Open

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

isce-framework/isce3#265 · 1 comment · Opened May 11, 2026
Add Windows as supported platform on conda-forge Open

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

isce-framework/isce3#258 · Opened Apr 24, 2026
ISCE3 DateTime objects cannot parse strings that specify UTC via "Z" ending Open

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

isce-framework/isce3#255 · Opened Apr 17, 2026
Nisalr level 1 rslc ti level 2 Open

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

isce-framework/isce3#248 · Opened Apr 3, 2026
Incorrect Calculation of peak RCS Open

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

isce-framework/isce3#230 · 2 comments · Opened Feb 25, 2026
(InSAR) min/max/mean/std metrics do not account for the mask Open

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

isce-framework/isce3#228 · Opened Feb 23, 2026
GUNW/GOFF `mask` cannot distinguish geocoding fill Open

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

isce-framework/isce3#224 · 2 comments · Opened Feb 18, 2026
`nisar.h5.h5utils.extractScalar` broken with h5py 3.15.1 and HDF5 2.0.0 Open

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

isce-framework/isce3#223 · 2 comments · Opened Feb 18, 2026
InSAR / Water Mask license info metadata not populated Open

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

isce-framework/isce3#222 · 1 comment · Opened Feb 17, 2026
InSAR dataset and attribute issues Open

isce-framework/isce3#219 · 5 comments · 1 assignee · Opened Feb 11, 2026
GSLC dataset and attribute issues Open

isce-framework/isce3#218 · 1 comment · 1 assignee · Opened Feb 11, 2026

A short digest of beginner-friendly GitHub issues.