Open Source Archives

Change detection with Raster Vision

By Adeel Hassan on April 18th, 2022

This blog explores the direct classification approach to change detection using our open-source geospatial deep learning framework, Raster Vision, and the publicly available Onera Satellite Change Detection (OSCD) dataset.

Company

Highlighting NumFocus Projects: How Open Source Projects Empower Our Work

By Alana Hill on April 8th, 2022

NumFocus is a nonprofit that supports many open source tools used in Azavea's projects. Here, we highlight how they have supported our work.

Company

Improving City Transit Networks through Data and Public Policy

By Zoë Cohen on July 21st, 2021

Using open source data and easily customizable software, Azavea worked with PeopleForBikes to improve city transit networks.

Software Engineering

Introducing Loam: A Client-Side GDAL Wrapper for Javascript

By Derek Dohler on May 3rd, 2021

We're launching a library called Loam. Loam allows GDAL to be used in client-side code in a web application. Loam wraps a version of GDAL compiled to WebAssembly and makes the GDAL API and utilities available to Javascript running from within a web browser.

Images of imagery overtop of grid paper.

Software Engineering

Introducing Raster Vision 0.13

By Adeel Hassan on April 26th, 2021

This release presents a major jump in Raster Vision's power and flexibility. The newly added features allow for finer control of the model training as well as greater flexibility in ingesting data.

Software Engineering

Getting Started with STAC APIs

By James Santucci on April 5th, 2021

STAC is a specification for enabling online search and discovery of geospatial assets. This post walks through getting started with a number of STAC APIs.