Azavea Blog - Geospatial and Software Development Topics

This Month We Learned — February 2021

By Casey Cesari and James Santucci on March 25th, 2021

In February, we learned more about PostgreSQL indexing. Casey Cesari learned about speeding up fuzzy match searches with tri-gram indexes, and James Santucci learned how much he didn't know about jsonb indexes.

Screenshot of Bar chart within the Gender Survey application, hovering on Women in Angola bar.

Company

Making Gender Data Actionable

By Stacy Deininger on March 8th, 2021

Azavea partnered with Facebook and Ladysmith to make an engaging platform that makes data from a massive gender survey actionable.

Company

Azavea Joins the Stripe Climate Effort for Carbon Removal

By Stephanie Thome on March 2nd, 2021

Azavea joins the Stripe Climate effort and will contribute 2% to carbon removal technologies as a part of our commitment to the environment.

Image displaying cloud detection on satellite imagery in Spain.

Software Engineering

Cloud Detection in Satellite Imagery

By James McClain on February 8th, 2021

We compare the results of two machine learning models that detect clouds in Sentinel-2 satellite imagery and share pointers about models you can try for yourself.

Company

This Month We Learned – December 2020

By Deb Boyer, Peter Caisse and Justin Walgran on February 1st, 2021

In December, we learned about planning five years of a project all at once, superpowered performance debugging with tracing, and tracking down the one bad part of gigantic single line JSON documents with jsonlint.

Gridded background with slightly tilted machine learning labels of cars overlaid by movement lines.

Software Engineering

Load Testing a TMS Tile Server with k6.io

By James Santucci on January 25th, 2021

k6.io provides a flexible base for load testing with a convenient scripting language, and the quickstart docs will get you pretty far, but testing with a session of TMS requests had some unique challenges.