Owner

scipp

13 indexed repositories · View on GitHub

scipp
Multi-dimensional data arrays with labeled dimensions

C++ · 146 stars
plopp
Visualization library for scipp

Python · 12 stars
sciline
Build scientific pipelines for your data

Python · 11 stars
scippnexus
h5py-like utility for NeXus files with seamless scipp integration

Python · 6 stars
scippneutron
Neutron scattering toolkit built using scipp for Data Reduction. Not facility or instrument specific.

Python · 6 stars
tof
A simple tool to create time-of-flight chopper cascade diagrams

Python · 3 stars
esslivedata
Live data reduction visualisation for ESS

Python · 3 stars
copier_template
Copier template for Scipp projects

Jinja · 2 stars
ess
Data reduction for ESS instruments

Python · 1 star
cyclebane
Transform directed acyclic graphs using map-reduce and groupby operations

Python · 0 stars
chexus
Validate NeXus files

Python · 0 stars
scitiff
Scientific tiff image format

Python · 0 stars
essapps
Applications for data reduction at ESS (currently architecture/design/prototyping)

Python · 0 stars

Beginner friendly Everything

Open All

Serve the dashboard in-process for browser tests that need server introspection Open

area:dashboard enhancement

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

scipp/esslivedata#1147 · Opened Jul 28, 2026
[ESSSANS] Add sample-thickness correction Open

esssans

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

scipp/ess#680 · Opened Jul 28, 2026
[ESSSANS] Add code for computing PolyGauss instead of using a file Open

esssans

Difficulty 3/5 1-2 days Newbie friendliness 52/100

scipp/ess#679 · Opened Jul 28, 2026
[ESSSANS] Direct beam file in Scicat Open

esssans

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

scipp/ess#678 · Opened Jul 28, 2026
`hist` and `bin` produce zero-width bins for a constant coord Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

scipp/scipp#3935 · Opened Jul 28, 2026
Cost of unconditionally adding variances in `assemble_*_data` Open

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

scipp/ess#677 · Opened Jul 27, 2026
`_add_variances` mutates its input and silently adds nothing for binned data Open

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

scipp/ess#676 · Opened Jul 27, 2026
Device clock skew: a creeping device silently becomes the service's data clock Open

area:backend design

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

scipp/esslivedata#1133 · Opened Jul 27, 2026
Quiet-stream trailing batch: may wall time ever close it? Open

area:backend design

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

scipp/esslivedata#1129 · Opened Jul 27, 2026
Extraction-path efficiency under pull-on-frame: incremental window aggregation, copy elision Open

area:dashboard performance

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

scipp/esslivedata#1101 · Opened Jul 21, 2026
Extend `sc.midpoints` to accept a DataArray Open

enhancement

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

scipp/scipp#3932 · 4 comments · Opened Jul 21, 2026
Correlation histogram per-second normalization produces NaN on the first sample and misattributes time intervals Open

area:dashboard bug

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

scipp/esslivedata#1077 · Opened Jul 21, 2026
Yaml file helper for metadata encoding. Open

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

scipp/scitiff#68 · Opened Jul 17, 2026
Support for unsigned integers Open

enhancement

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

scipp/scipp#3928 · 8 comments · Opened Jul 17, 2026
Dedicated result-data schema could cut da00 encode/decode times by 3-5x Open

area:wire design performance

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

scipp/esslivedata#1057 · 5 comments · Opened Jul 7, 2026
Dashboard performance: profiled bottlenecks and ranked fix targets (tab switching, plot creation, idle CPU) Open

area:dashboard performance tracking

Difficulty 5/5 Over a week Newbie friendliness 42/100

scipp/esslivedata#1055 · 2 comments · Opened Jul 6, 2026
Extend the hostile-wire liveness harness to more services, batchers, and corruption modes Open

area:backend enhancement

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

scipp/esslivedata#1054 · Opened Jul 6, 2026
NICOS derived devices (ADR 0006): go-silent semantics depend on deferred liveness; cumulative eligibility is unenforced Open

area:backend design

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

scipp/esslivedata#1051 · Opened Jul 5, 2026
Aux stream-name keying (ADR 0004): duplicate role selections and ingress/render drift fail silently Open

area:backend design

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

scipp/esslivedata#1050 · Opened Jul 5, 2026
Device synthesis + context gating: a single dead substream can black out detector views with no degraded mode Open

area:backend design

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

scipp/esslivedata#1049 · Opened Jul 5, 2026
[ESSDIFFRACTION] Add ‘Bragg‑peak’ scatter markers with adaptive labelling in inspector view Open

essdiffraction

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

scipp/ess#665 · Opened Jul 3, 2026
Message-related bugs in backend for triage Open

area:backend tracking

scipp/esslivedata#1038 · 1 comment · 1 assignee · Opened Jul 2, 2026
Bugs in backend for triage Open

area:backend tracking

scipp/esslivedata#1037 · 4 comments · 1 assignee · Opened Jul 2, 2026
Load NXdata with auxiliary signals with different dims Open

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

scipp/scippnexus#304 · 3 comments · Opened Jun 30, 2026
Consolidate workflow specifications, parameter models, and metadata mechanisms Open

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

scipp/ess#653 · Opened Jun 26, 2026
Add a shared glossary for recurring ESS/instrument jargon in the dashboard Open

area:dashboard documentation

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

scipp/esslivedata#1019 · Opened Jun 26, 2026
[ESSREDUCE] `ParamWithOptions` fails to instantiate when the associated parameter has a default value on the workflow Open

essreduce

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

scipp/ess#652 · Opened Jun 26, 2026
[ESSDIFFRACTION] Reduction GUI widgets don't register required parameters Open

essdiffraction

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

scipp/ess#651 · Opened Jun 26, 2026
Weighted average using inverse variance Open

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

scipp/scipp#3913 · 5 comments · Opened Jun 23, 2026
Pixi migration Open

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

scipp/copier_template#283 · 4 comments · Opened Jun 22, 2026
Source position keyed off NXsource ignores NXmoderator (origin-pinned accelerator trap) Open

area:workflows bug

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

scipp/esslivedata#989 · 1 comment · Opened Jun 19, 2026
Does the Figure need a re-think? (subplots and axes) Open

help wanted

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

scipp/plopp#574 · Opened Jun 19, 2026
Indexing sometimes treats booleans as indices Open

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

scipp/scipp#3909 · 10 comments · Opened Jun 18, 2026
Histogramming with edges containing NaN produces incorrect results Open

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

scipp/scipp#3908 · Opened Jun 18, 2026
Color collision when layering multiple 1D line+error plotters Open

area:dashboard bug

Difficulty 3/5 1-2 days Newbie friendliness 62/100

scipp/esslivedata#982 · Opened Jun 18, 2026
[essreduce] Proton charge lookup for normalization Open

essreduce

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

scipp/ess#637 · 1 comment · Opened Jun 16, 2026
Error when creating multi-dimensional array of objects Open

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

scipp/scipp#3902 · 4 comments · Opened Jun 10, 2026
Add chopper acceptance diagram Open

area:workflows enhancement

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

scipp/esslivedata#969 · Opened Jun 10, 2026
Robust accumulator reset against noisy motor readback (setpoint-driven transform) Open

area:backend enhancement

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

scipp/esslivedata#965 · Opened Jun 9, 2026
BIFROST: unpin detector geometry once a corrected NeXus file is available Open

area:workflows

Difficulty 3/5 1-2 days Newbie friendliness 52/100

scipp/esslivedata#962 · 2 comments · Opened Jun 8, 2026
Add a button to toggle displaying error bars Open

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

scipp/plopp#570 · Opened Jun 4, 2026
Extend superplot to allow normalizing data and offsetting it Open

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

scipp/plopp#569 · Opened Jun 4, 2026
[ESSsans] More metadata in NXcanSAS files Open

esssans

Difficulty 4/5 3-5 days Newbie friendliness 50/100

scipp/ess#622 · Opened Jun 4, 2026
[essdiffraction, DREAM, BEER] Comments on Sciline workflow Open

essdiffraction

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

scipp/ess#619 · 1 comment · Opened Jun 2, 2026
[BEER] GUI widgets for the BEER powder diffraction workflow Open

essdiffraction

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

scipp/ess#609 · 1 comment · Opened May 28, 2026
[ESSdiffraction] Implement PDF reduction workflow Open

enhancement essdiffraction

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

scipp/ess#608 · 1 comment · Opened May 28, 2026
Cross section normalisation for single crystal experiments Open

scipp/scippneutron#703 · 1 assignee · Opened May 19, 2026
`bins.mean()` with multi-dimensional data in bins gives wrong result. Open

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

scipp/scipp#3899 · 1 comment · Opened May 18, 2026
Display derived aggregation mode in plot toolbar in window mode Open

area:dashboard enhancement

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

scipp/esslivedata#934 · Opened May 13, 2026
Histogram (window mode) does not refresh when there are no events in the monitor Open

area:dashboard bug

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

scipp/esslivedata#933 · 4 comments · Opened May 13, 2026

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