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Zac Swider

@zacswider

Biologist turned programmer. Working on data pipelines for high throughput imaging. Mostly posting about Python and Rust but no guantees :)

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Posts 05.02.2024
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Latest posts by Zac Swider @zacswider

Now up to v0.5.5, added thread safety for no-GIL Python, multithreading on the rust end for large images, support using external colormaps, support exporting internal colormaps, and more!

02.01.2026 03:25 👍 0 🔁 0 💬 0 📌 0

8 months later and it’s in :)

02.01.2026 02:30 👍 2 🔁 0 💬 1 📌 0

mergechannels 0.5.3 is thread safe with Python 3.14t. Keep those cores busy!

27.12.2025 19:23 👍 0 🔁 0 💬 0 📌 0
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Friday night lights

19.07.2025 06:12 👍 0 🔁 0 💬 0 📌 0

Thanks!

05.06.2025 18:24 👍 0 🔁 0 💬 0 📌 0

mergechannels 0.5.0 adds support for passing colormap objects from cmap (github.com/pyapp-kit/cmap) or matplotlib in addition to built-in colormaps from FIJI, myself, @christlet.bsky.social and @jamesdmanton.bsky.social

pip install mergechannels or build from github.com/zacswider/me...

05.06.2025 03:57 👍 4 🔁 0 💬 1 📌 0

I don’t recommend it, I’m falling back to a macro because whatever FIJI is doing can handle the *several* different formats masquerading under the same file extension

05.06.2025 03:51 👍 1 🔁 0 💬 2 📌 0

Had a convo with someone yesterday who dismissed Python as “not a real language” and “a scripting language”.

Python is everywhere — the web, machine learning, analytics, devops, embedded systems, mobile, etc.

04.06.2025 16:59 👍 51 🔁 1 💬 16 📌 1

Any ideas @psobolewskiphd.bsky.social ? this was partially motivated by one of your napari plugins

04.06.2025 19:39 👍 0 🔁 0 💬 1 📌 0
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There has to be a better way to open .lut files right??

04.06.2025 19:39 👍 0 🔁 0 💬 1 📌 0

Effortless

30.05.2025 04:09 👍 0 🔁 0 💬 0 📌 0
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I love Dask

29.05.2025 21:05 👍 0 🔁 0 💬 0 📌 1

github.com/zacswider/me...

20.05.2025 18:45 👍 1 🔁 1 💬 0 📌 0

Just pushed v0.3.0 which builds in the lovely suite of LUTs created by @jamesdmanton.bsky.social also installable directly into FIJI at sites.imagej.net/JDM_LUTs/luts/

19.05.2025 05:18 👍 4 🔁 1 💬 0 📌 2

Many such cases

19.05.2025 02:48 👍 1 🔁 0 💬 0 📌 0

Also adjust low/high points while color mapping 🎉

18.05.2025 20:58 👍 3 🔁 0 💬 0 📌 0
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Building soon - adding support for 3D and u16 images to github.com/zacswider/me...

18.05.2025 05:45 👍 2 🔁 0 💬 0 📌 1

Mouse just died, time to see how good I can vim.

16.05.2025 19:59 👍 0 🔁 0 💬 0 📌 0

Measles doesn’t seem that fun to get tbh

25.04.2025 21:31 👍 1 🔁 0 💬 0 📌 0

Someday when I lead my own engineering team, the style guide will state that JSON must be pronounced with a French accent.

24.04.2025 16:41 👍 1 🔁 0 💬 0 📌 0
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If you’re like me and want to use/blend FIJI lookup tables from Python you can now install mergechannels with pip or build from source: github.com/zacswider/me...

This is a very *minimal* working implementation but there’s more to come :)

19.04.2025 04:01 👍 0 🔁 0 💬 0 📌 1

Looks interesting, have you tried it?

13.04.2025 15:34 👍 0 🔁 0 💬 1 📌 0
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🐍

11.04.2025 21:13 👍 0 🔁 0 💬 0 📌 0

Wow this is super cool thanks for sharing!

11.04.2025 16:55 👍 1 🔁 0 💬 0 📌 0

Amaziiiiiing I love matplotlib 🥰

11.04.2025 16:55 👍 3 🔁 0 💬 0 📌 0

Probably! Anything ready for use?

11.04.2025 14:22 👍 0 🔁 0 💬 1 📌 0
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Wow blending brightfield and fluorescence is always such a pain

11.04.2025 02:50 👍 0 🔁 0 💬 1 📌 0

Oh yep been there 😒

10.04.2025 17:07 👍 0 🔁 0 💬 0 📌 0

What did they do this time

10.04.2025 16:17 👍 0 🔁 0 💬 1 📌 0
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Reason #42 to use a split keeb - multiplexing side projects

10.04.2025 04:09 👍 0 🔁 0 💬 0 📌 0