almarklein

Almar Klein almarklein

Indie Pythonista ♥ 3d viz, WASM, reinventing weels.

343 followers · 31 following

Independent software engineer
The Netherlands
18:33 - 1h ahead
https://almarklein.org

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pygfx/pygfx Public

Powerful and versatile visualization for Python.

Python 650 48
pygfx/wgpu-py Public

WebGPU for Python

Python 525 43
imageio/imageio Public

Python library for reading and writing image data

Python 1.6k 308
pyzo/pyzo Public

Python to the people

Python 302 76
timetagger Public

Tag your time, get the insight

Python 1.3k 114
zoof-lang/zoof-boot Public

Bootstrapping Zoof

Python 1

1,137 contributions in the last year

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March 2025

Created 44 commits in 7 repositories

Created a pull request in pygfx/wgpu-py that received 10 comments

Mar 11

Improve performance for 'bitmap' render method

I did some experiments and this is a relatively easy way to improve performance by about 20%, going from ~24 to ~30 fps on fullscreen window on a 4…

+66 −21 lines changed • 10 comments

Opened 38 other pull requests in 5 repositories

pygfx/pygfx 20 merged 2 open 1 closed

Add support for loops to line object
This contribution was made on Mar 27
Refactor engine's resolving of fragment shader output
This contribution was made on Mar 24
Add match_aspect arg to camera.show_object()
This contribution was made on Mar 19
Refactor bounds
This contribution was made on Mar 18
Bump version
This contribution was made on Mar 18
Fix morph on MacOS
This contribution was made on Mar 18
Make geometry a simple Store
This contribution was made on Mar 17
Allow wgpu 0.19 - 0.21
This contribution was made on Mar 17
Remove get_bounding_box from geometry
This contribution was made on Mar 17
Fix test on windows
This contribution was made on Mar 14
Move Text API and implementation to Text world object
This contribution was made on Mar 10
Early exit in buffer/texture update_xx methods
This contribution was made on Mar 10
Rename internal define_colormap() func for clarity
This contribution was made on Mar 10
Support for custom colormaps, and lazy loading
This contribution was made on Mar 10
Improve tracking of bindings
This contribution was made on Mar 7
Change colormap interpolation to be consistent
This contribution was made on Mar 7
Bump version
This contribution was made on Mar 6
Ruler use multitext
This contribution was made on Mar 5
Fix for latest trimesh
This contribution was made on Mar 5
Prevent glyphs from bleeding into neighbours in atlas
This contribution was made on Mar 4
Add test to reproduce glyph-bleeding
This contribution was made on Mar 4
Fix waterfall example
This contribution was made on Mar 3
Use single buffer to store per-glyph data
This contribution was made on Mar 3

pygfx/rendercanvas 7 merged

Bump version
This contribution was made on Mar 26
Fix that WinIdChange event is in a different place on pyqt
This contribution was made on Mar 26
GLFW window start at correct size and draw during resize
This contribution was made on Mar 24
Bump version
This contribution was made on Mar 13
Detect qt winid changes
This contribution was made on Mar 12
Dont get winId in qt and wx with bitmap present-method
This contribution was made on Mar 12
Fix bitmap adapter test
This contribution was made on Mar 12

pygfx/wgpu-py 6 merged

Fix constructing QApplication for PyQt6
This contribution was made on Mar 26
Update to latest wgpu-native (and bump version)
This contribution was made on Mar 20
Bump version
This contribution was made on Mar 17
Update to latest IDL
This contribution was made on Mar 17
Release notes
This contribution was made on Mar 14
Bump version
This contribution was made on Mar 13

fastplotlib/fastplotlib 1 open

Use pyproject.toml
This contribution was made on Mar 27

gfx-rs/wgpu-native 1 merged

Bump to wgpu 24.0.3
This contribution was made on Mar 20

Reviewed 26 pull requests in 4 repositories

pygfx/pygfx 18 pull requests

Add support for loops to line object
This contribution was made on Mar 28
Instanced lines
This contribution was made on Mar 28
Make geometry a simple Store
This contribution was made on Mar 18
Allow wgpu 0.19 - 0.21
This contribution was made on Mar 17
Remove get_bounding_box from geometry
This contribution was made on Mar 17
Prevent glyphs from bleeding into neighbours in atlas
This contribution was made on Mar 17
Add Anisotropy support
This contribution was made on Mar 13
Support texture transform
This contribution was made on Mar 12
Refactor IBL related code
This contribution was made on Mar 11
Change colormap interpolation to be consistent
This contribution was made on Mar 10
Support marker rotation
This contribution was made on Mar 10
Support for custom colormaps, and lazy loading
This contribution was made on Mar 10
Unified mesh texture map logic and special treatment for colormaps
This contribution was made on Mar 8
Ruler use multitext
This contribution was made on Mar 6
fix two bugs in atlas allocator
This contribution was made on Mar 6
Add image comparator example
This contribution was made on Mar 6
Fix TransformGizmo.set_object when object is None
This contribution was made on Mar 5
Glyph atlas, pad with 0.5 pixel on each side (total added padding of 1)
This contribution was made on Mar 4

pygfx/wgpu-py 5 pull requests

Implement wgpu extension writeTimestamp()
This contribution was made on Mar 21
Verify that override variables can be used for workgroup sizes and array lengths
This contribution was made on Mar 21
Add multi_draw_indexed_indirect_count and multi_draw_indirect_count
This contribution was made on Mar 19
update to wgpu-native 24.0.0.2
This contribution was made on Mar 14
Improve performance for 'bitmap' render method
This contribution was made on Mar 11

fastplotlib/fastplotlib 2 pull requests

Use pyproject.toml
This contribution was made on Mar 28
Rectangle/bbox layouts in a Figure
This contribution was made on Mar 14

pygfx/rendercanvas 1 pull request

Fix AttributeError on present() "fail" case
This contribution was made on Mar 23

Created an issue in pygfx/pygfx that received 20 comments

Mar 18

Mesh morphing is broken on MacOS

I wanted to check if I did not break morphing in #1044, but it appears to be broken already. I tried older releases of pygfx/wgpu-py/pylnalg, but i…

20 comments

Opened 8 other issues in 4 repositories

pygfx/rendercanvas 3 open

Make the bitmap present_method faster
This contribution was made on Mar 19
React to changing winId?
This contribution was made on Mar 12
Support for Marimo (Notebook alternative)
This contribution was made on Mar 12

pygfx/wgpu-py 2 open

Problems with creating a surface
This contribution was made on Mar 19
Support for callbacks in async functions
This contribution was made on Mar 14

pygfx/pygfx 1 open 1 closed

Restructuring mesh material classes
This contribution was made on Mar 7
Turn geometry into a simple store (and move TextGeometry api to Text object)
This contribution was made on Mar 3

almarklein/ppng 1 open

Use zlib_ng
This contribution was made on Mar 15

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Almar Klein almarklein

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1,137 contributions in the last year

Contribution activity

March 2025

Created a pull request in pygfx/wgpu-py that received 10 comments

Improve performance for 'bitmap' render method

Created an issue in pygfx/pygfx that received 20 comments

Mesh morphing is broken on MacOS

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