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Lessons from Matching Two Mars Images with ISIS

What happens when bundle adjustment meets repetitive terrain, free networks, and 6-meter pixels

mars

ctx

isis

photogrammetry

coregistration

When you need to align two overlapping satellite images of Mars to sub-pixel accuracy, the USGS ISIS photogrammetry suite is the standard toolkit. It has been used to…

Using GitHub Releases as a Free Data CDN for Browser-Based Science Apps

Serve large datasets to Pyodide/Shinylive apps without any infrastructure

python

web

data

shinylive

You’ve built an interactive data exploration app that runs entirely in the browser using Pyodide or Shinylive — no server needed. But where do you put the data?

Building an Academic Homepage with Quarto

Auto-updating bibliography, custom extensions, and GitHub Actions — the full stack

quarto

academic

open-source

github-actions

bibliography

Most academic homepages are either a bare-bones departmental page that hasn’t been updated since 2018, or an overengineered React app that took a month to build. I wanted…

ads-bib-tools: Fetch Your Full Publication List from NASA ADS

ORCID-based bibliography management for Quarto and static sites

python

quarto

academic

bibliography

open-source

nasa-ads

Existing ADS bibliography tools like adstex, filltex, and bibslurp are all designed for LaTeX workflows: you have a .tex file with \cite{} commands, and they resolve the…

Why rioxarray 0.21 Won’t Install with xarray 2026

Tracing a version pin from a slice indexing regression

python

geospatial

xarray

rioxarray

debugging

If you’ve recently tried to install rioxarray alongside a current xarray, you’ve likely hit something like this:

chronobib: Group Your Quarto Bibliography by Year

A companion to highlight-author for academic publication pages

quarto

academic

bibliography

open-source

After publishing highlight-author earlier today, I extracted the other half of my bibliography tooling into its own extension: chronobib.

highlight-author: A Quarto Extension to Highlight Your Name in Bibliographies

Because every CV, grant proposal, and publication page needs it

quarto

academic

bibliography

open-source

If you’ve ever built an academic homepage, a CV, or a grant proposal in Quarto, you’ve probably wanted one simple thing: make your own name stand out in the bibliography.

Integrate Zigbee Tuya Thermostats into Home Assistant

How to add unsupported ones to ZHA

homeassistant

tuya

thermostats

python

Let me start by saying that my only work in this knowledge gathering was the combination of several internet searches. The real genius lies in the group of people creating…

Minimal Conda Setup Instructions

python

conda

mamba

software management

There’s an increasing amount of folks complaining that they need to watch a video for all their setting up tools etc.

Testing your internet speed regularly

Use crontab and a bit of Python to store speedtest results in a CSV.

hacking

python

This post is making use of the speedtest command line version of Ookla’s speedtest tools, which you can get here for various OSes: https://www.speedtest.net/apps/cli

Mamba is the new Conda

conda

mamba

software management

Mamba is a CLI tool to manage conda environments and a drop-in replacement for the conda CLI tool. It is built in C/C++ and hence resolves package dependencies much faster…

Fan Creation

planet four

I wrote this blog post 2 weeks ago, but I wanted to show the IPython notebook in its full glory, so I got delayed posting this until I finally had finished my Blogger blog…

Matplotlib Ticklabel Formats

plotting

matplotlib

If you are a heavy matplotlib user, you are bound to have seen the funny offset numbers in the top left of the plot window: