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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

change `essnmx` package name to `esslauetof` Open

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

scipp/ess#754 · 1 reaction · Opened Sep 17, 2026
Review the architecture skeleton before further buildout Open

scipp/essapps#1 · 1 comment · 1 assignee · Opened Sep 17, 2026
[esssans] Replace loki instrument view with the generic scippneutron instrument view Open

esssans

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

scipp/ess#753 · Opened Sep 17, 2026
BIFROST: feed the tank angle to Q-maps through a single route Open

area:workflows

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

scipp/esslivedata#1318 · Opened Sep 17, 2026
essreduce: event monitors cannot be converted to wavelength when pulse skipping Open

bug essreduce

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

scipp/ess#750 · Opened Sep 15, 2026
Batcher window jumps weeks back when detector traffic stops and a static PV remains; results go back in time and break dashboard window plots Open

area:backend bug

scipp/esslivedata#1313 · 1 assignee · Opened Sep 14, 2026
Beam-center finder from I(Q) stops before converging Open

esssans

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

scipp/ess#749 · Opened Sep 14, 2026
Weekly Platform Test Failures 2026-09-14 Open

weekly-failure

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

scipp/ess#748 · Opened Sep 14, 2026
Tracking: migrate from sciline map/reduce to stages and aggregations (sciline ADR 0003) Open

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

scipp/ess#746 · Opened Sep 11, 2026
Tracking: replace map/reduce with stages and aggregations (ADR 0003) Open

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

scipp/sciline#246 · Opened Sep 11, 2026
A chopper at 0 Hz blanks the lookup table downstream, and we have not decided whether it should Open

area:workflows design

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

scipp/esslivedata#1312 · Opened Sep 11, 2026
[ESSDIFFRACTION, BEER] Adapt d-spacing binning Open

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

scipp/ess#745 · Opened Sep 10, 2026
[ESSDIFFRACTION, BEER] Add coordinates to dataarrays in Sciline pulse shaping workflow Open

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

scipp/ess#744 · Opened Sep 10, 2026
[ESSDIFFRACTION, BEER] Request for Sciline modulation workflow Open

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

scipp/ess#743 · Opened Sep 10, 2026
[ESSDIFFRACTION, BEER] Add Q coordinate in Sciline workflow Open

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

scipp/ess#742 · Opened Sep 10, 2026
DREAM overlap chopper is not phase-locked to the source, so no wavelength LUT exists Open

area:workflows

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

scipp/esslivedata#1309 · 1 comment · Opened Sep 10, 2026
Raise warnings when operations go wrong but don't fail completely Open

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

scipp/scipp#3971 · Opened Sep 9, 2026
Add saturating arithmetic Open

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

scipp/scipp#3967 · Opened Sep 8, 2026
Accumulate detector view histograms in int32 once scipp promotes integer reductions Open

area:backend performance upstream

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

scipp/esslivedata#1293 · Opened Sep 7, 2026
Bump minimum cyclebane version to 26.9.0 Open

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

scipp/sciline#244 · Opened Sep 4, 2026
Dedicated backend instance for NICOS: scan scripts configure and start scan-feedback workflows Open

area:backend design

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

scipp/esslivedata#1285 · Opened Sep 3, 2026
Matplotlib's plt.show() does not work Open

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

scipp/plopp#607 · 1 comment · Opened Sep 3, 2026
No way to prune a dead branch without assigning a value Open

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

scipp/sciline#242 · Opened Sep 2, 2026
Active-window batcher residency is unbounded and escalation multiplies it Open

area:backend design performance

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

scipp/esslivedata#1275 · 1 comment · Opened Sep 1, 2026
Bound total dashboard buffer memory and decouple history retention from plot topology Open

area:dashboard design performance

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

scipp/esslivedata#1274 · Opened Sep 1, 2026
BEER: bank views fold 12 million pixels per update, independent of event rate Open

area:workflows performance

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

scipp/esslivedata#1272 · 2 comments · Opened Sep 1, 2026
Feeding values into a graph repeatedly requires a rebuild and retains the values Open

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

scipp/sciline#241 · Opened Aug 31, 2026
Commands fan out per source, then reassemble N acks by count Open

area:wire design

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

scipp/esslivedata#1268 · Opened Aug 31, 2026
detector_data leaks ~60 MB per cycle in uncollected reference cycles from sciline graph updates, OOM-killing the service Open

area:backend bug upstream

scipp/esslivedata#1264 · 1 comment · 1 assignee · Opened Aug 28, 2026
Clear consumers when the streamed lookup table's identity changes Open

area:workflows

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

scipp/esslivedata#1248 · Opened Aug 21, 2026
Support for Python 3.12 generics Open

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

scipp/sciline#235 · 1 comment · Opened Aug 20, 2026
[ESSSANS] Direct beam: dealing with insufficient signal Open

esssans

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

scipp/ess#717 · Opened Aug 20, 2026
Drop the #6988 teardown-ordering caveat once holoviews ships the fix Open

area:dashboard upstream

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

scipp/esslivedata#1244 · Opened Aug 20, 2026
Optimise: Do not copy in `values` Open

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

scipp/scipp#3962 · 2 comments · Opened Aug 20, 2026
counts_total is the histogram sum, so a plot's TOA/wavelength edges silently change a NICOS device reading Open

area:workflows design

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

scipp/esslivedata#1242 · Opened Aug 20, 2026
bin, group, hist and nanhist do not implement ADR 0018 dim semantics for dense data Open

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

scipp/scipp#3960 · Opened Aug 19, 2026
hist depends on argument order when an edge coord is defined on a re-binned dim Open

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

scipp/scipp#3952 · Opened Aug 17, 2026
Make the pixi-build-cmake package build ccache-able in CI Open

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

scipp/scipp#3946 · Opened Aug 11, 2026
Per-plot WebGL opt-in: what it would take, and why a size threshold is the wrong trigger Open

area:dashboard design performance

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

scipp/esslivedata#1218 · Opened Aug 7, 2026
Memoize HoloViews option lookups for the duration of one render Open

area:dashboard enhancement performance

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

scipp/esslivedata#1215 · Opened Aug 6, 2026
Revisit batched_update() if Bokeh's freeze gains a conditional recompute Open

area:dashboard enhancement performance upstream

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

scipp/esslivedata#1211 · Opened Aug 6, 2026
Serialization (pickle support) Open

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

scipp/scipp#3940 · 5 comments · Opened Aug 4, 2026
Drop LivedataDesign once Panel fixes the markup-pane reveal Open

area:dashboard upstream

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

scipp/esslivedata#1175 · Opened Aug 4, 2026
[CI] Nightly publishing wrong file...? Open

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

scipp/ess#685 · 3 comments · Opened Jul 31, 2026
ImageJ Autoscale error using scitiff. Open

bug

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

scipp/scitiff#71 · Opened Jul 31, 2026
Adopt bokeh 4.x when available: removes most of Target 1 client CPU cost (blocked upstream) Open

area:dashboard performance upstream

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

scipp/esslivedata#1156 · Opened Jul 30, 2026
Client model graph grows on every plot-cell rebuild: two upstream BokehJS leaks Open

area:dashboard bug performance upstream

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

scipp/esslivedata#1155 · 1 comment · Opened Jul 30, 2026
Scope does not work with Python 3.12 generics Open

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

scipp/sciline#233 · 3 comments · Opened Jul 30, 2026
Timeseries downsampling destroys the peaks of a cumulative sawtooth Open

area:dashboard bug

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

scipp/esslivedata#1153 · Opened Jul 29, 2026
Replacing a tile of a tiled figure leaves the old axes on the figure Open

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

scipp/plopp#594 · Opened Jul 29, 2026

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