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yt-project

7 indexed repositories · View on GitHub

yt
Main yt repository

Python · 558 stars
unyt
Handle, manipulate, and convert data with units in Python

Python · 380 stars
libyt
In-situ analysis with Python, C/C++ simulation, and Jupyter

C++ · 23 stars
yt_idv
Interactive volume rendering for yt

Python · 11 stars
cmyt
yt-native colormaps

Python · 9 stars
ewah_bool_utils

C++ · 2 stars
yt_experiments
A repository containing some experimental packages and enhancements

Python · 0 stars

Beginner friendly Everything

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importing yt_idv submodules before `render_context("egl")` breaks EGL on macOS Open

bug documentation

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

yt-project/yt_idv#263 · Opened Aug 31, 2026
`Framebuffer.data` is misshaped for non-square viewports Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 70/100

yt-project/yt_idv#255 · Opened Aug 25, 2026
update pyglet usage, unpin pyglet with 3.0.0 release Open

dependencies

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

yt-project/yt_idv#241 · 1 comment · Opened Aug 19, 2026
imgui no longer maintained, cannot install with python 3.13+ Open

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

yt-project/yt_idv#237 · 5 comments · Opened Aug 18, 2026
`pt2pt` one-sided communication component removed in `OpenMPI 5.o.x` Open

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

yt-project/libyt#147 · Opened Aug 18, 2026
ds.box/ds.region select incorrect particles when edges use physical units instead of code_length Open

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

yt-project/yt#5496 · 2 comments · Opened Jul 24, 2026
How to make Python binding API flexible Open

api enhancement new feature

yt-project/libyt#146 · 1 assignee · Opened Jul 14, 2026
WHL: add `win_arm64` wheels Open

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

yt-project/ewah_bool_utils#190 · Opened Jun 2, 2026
ds.region/box function returns entire simulation domain despite defining a smaller region Open

bug

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

yt-project/yt#5460 · 6 comments · Opened May 30, 2026
ProjectionPlot not accepting data_source and always projects over entire simulation domain Open

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

yt-project/yt#5459 · 8 comments · Opened May 28, 2026
Segmentation fault in find_clumps during contour linking (Parthenon AMR dataset) Open

bug frontend: parthenon

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

yt-project/yt#5457 · 4 comments · Opened May 17, 2026
[BUG] gizmo frontend fails on empty particle chunks in `creation_time` field Open

bug

yt-project/yt#5439 · 1 assignee · Opened Apr 27, 2026
MNT: re-add .txt file extensions Open

infrastructure

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

yt-project/yt#5433 · 1 comment · Opened Apr 18, 2026
DISC: AI policy Open

discussion

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

yt-project/yt#5429 · 17 comments · 7 reactions · Opened Apr 14, 2026
DOCS: reiviving the full docs build Open

docs infrastructure

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

yt-project/yt#5423 · Opened Apr 9, 2026
The Boltzmann constant and Avogadro constant values are incorrect Open

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

yt-project/unyt#636 · 1 comment · Opened Apr 6, 2026
[BUG] Oct container has hard-coded assumptions `nz=2` Open

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

yt-project/yt#5402 · 2 comments · Opened Mar 21, 2026
yt 5.0 as a low-drama, low stake release Open

backwards incompatible proposal

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

yt-project/yt#5399 · 1 comment · Opened Mar 19, 2026
API: moving logging to opt-in (disabled by default) Open

backwards incompatible free-threading proposal

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

yt-project/yt#5398 · 4 comments · Opened Mar 19, 2026
Supporting the free-threaded build Open

free-threading tests: running tests

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

yt-project/yt#5397 · 3 comments · Opened Mar 17, 2026
`np.digitize` does not convert units when required Open

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

yt-project/unyt#633 · Opened Mar 11, 2026
Need to have a clear definition of what can be done in local and what is collective Open

enhancement

yt-project/libyt#140 · 1 assignee · Opened Feb 27, 2026
Interaction Python Prompt in MPI 5 Open

enhancement

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

yt-project/libyt#139 · Opened Feb 25, 2026
Question on the calculation of cooling fields when self_shielding = True in RAMSES Open

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

yt-project/yt#5389 · Opened Feb 24, 2026
BUG: boolean operation object bbox values are incorrect Open

bug

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

yt-project/yt#5342 · 1 comment · Opened Dec 4, 2025
ENH: add a configurable `origin` default for plots Open

enhancement viz: 2D

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

yt-project/yt#5327 · 4 comments · Opened Nov 19, 2025
Slice plots and objects of deposit fields in RAMSES are empty Open

bug

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

yt-project/yt#5326 · Opened Nov 19, 2025
Consider using `Shibuya` theme in sphinx Open

doc new feature

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

yt-project/libyt#136 · Opened Nov 14, 2025
API: what should we do about in-place mutator methods that change an array's dtype ? Open

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

yt-project/unyt#598 · 1 comment · Opened Oct 19, 2025
SPH derived fields require using `ds.add_field` Open

index: particle question

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

yt-project/yt#5306 · 6 comments · Opened Oct 15, 2025
Detecting conformal time in Ramses Open

Difficulty 3/5 1-2 days Newbie friendliness 44/100

yt-project/yt#5304 · 2 comments · Opened Oct 15, 2025
Refactoring communication between Jupyter and simulation Open

enhancement entry point

yt-project/libyt#134 · 1 assignee · Opened Oct 11, 2025
Update documents about Jupyter interfaces Open

doc entry point

yt-project/libyt#133 · 1 assignee · Opened Oct 11, 2025
Supporting other output formats in Jupyter Notebook Open

enhancement entry point

yt-project/libyt#132 · 1 assignee · Opened Oct 11, 2025
Enable non-blocking feature through LCI communication Open

new feature parallelism

yt-project/libyt#131 · 1 assignee · Opened Oct 11, 2025
Fuzz testing arbitrary Python code execution Open

testing

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

yt-project/libyt#130 · Opened Oct 11, 2025
Refactoring the workflow of arbitrary Python code execution Open

enhancement

yt-project/libyt#129 · 1 assignee · Opened Oct 11, 2025
Crediting original color map authors in docs Open

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

yt-project/cmyt#233 · 2 comments · Opened Oct 5, 2025
ENH: block collection subclass to directly load a list of grids? Open

enhancement

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

yt-project/yt_idv#217 · Opened Sep 25, 2025
Potentially outdated RAMSES data loading docs Open

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

yt-project/yt#5286 · 3 comments · Opened Sep 11, 2025
Unused `io_runner.py` file? Open

dead code question

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

yt-project/yt#5283 · 2 comments · Opened Sep 4, 2025
pyproject deprecations Open

enhancement infrastructure

yt-project/yt_experiments#37 · 1 assignee · Opened Sep 3, 2025
Expected procedure for adding new Rockstar revisions Open

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

yt-project/yt#5278 · 3 comments · Opened Aug 30, 2025
Remove unnecessary calls to `.index` before accessing `field_info` Open

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

yt-project/yt#5275 · Opened Aug 29, 2025
[4.4.1] test_off_axis_octree segfaults on 32 bit Open

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

yt-project/yt#5271 · 1 comment · Opened Aug 26, 2025
BUG/ENH: multivariate transfer function support Open

bug enhancement viz: volume rendering

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

yt-project/yt#5257 · 2 comments · Opened Aug 14, 2025
DISC: [RAMSES] maximum depth when intersecting a bounding-box with Hilbert curve? Open

code frontends index: octree

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

yt-project/yt#5255 · 1 comment · Opened Aug 7, 2025
DISC: Not Everything Needs The Index Open

discussion

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

yt-project/yt#5252 · 5 comments · 1 reaction · Opened Aug 4, 2025
Filtered particles lead to many repetitive reads of files Open

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

yt-project/yt#5249 · 6 comments · Opened Aug 4, 2025
Slices and projections do not use cached data Open

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

yt-project/yt#5248 · Opened Aug 4, 2025

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