Open Source Archives - Azavea - Beyond Dots on a Map

Parts of map highlighted overlaid on a photograph of a bee.

Using Cloud-Optimized GeoTIFFs (COGs) for More Efficient Web App Architecture

By Jenny Fung on April 23rd, 2019

Cloud-Optimized GeoTIFFs (COGs) are geoTIFFs hosted on a cloud or file server, and are optimized for remote reads. They proved useful in a recent project.

Districts of Philadelphia overlaid on top of a photo of a child swinging with the sky and playground in the background.

Spatial Analysis

Scoring Philadelphia’s City Council Districts for Children’s Health and Well-being

By Daniel McGlone on April 16th, 2019

Scoring Philadelphia City Council districts on assets and risks using a weighted spatial analysis model in R and Python.

Raster Vision applied to the city of Georgetown, Guyana.

Software Engineering

Raster Vision 0.9 Release Candidate

By Lewis Fishgold on April 15th, 2019

This release of Raster Vision includes bug fixes, an easier setup, improved performance, and the ability to train models off of labels in OSM.

Aster Vision badge of a rocket shooting into space overtop a photograph of the night sky.

Software Engineering

Aster Vision – A New Open Source Framework for Deep Learning on Astrospatial Imagery and Space Exploration

By James Santucci on April 1st, 2019

Aster Vision is an open source machine learning library for analyzing huge troves of astrospatial data and finding habitable planets around nearby stars.

Software Engineering

Introducing the Open Apparel Registry

By Deb Boyer on March 28th, 2019

We are excited to announce the launch of the Open Apparel Registry, an open source global map of garment producing facilities.

Photograph of sunlight coming in through tree's branches.

Software Engineering

Lessons on tree-shaking Lodash with Webpack and Babel

By Casey Cesari on March 7th, 2019

Tree-shaking lodash can reduce the size of your JavaScript bundle, but it requires that a few conditions are met along the way to implementing it.