GeoTrellis Archives

Screenshot of Rural Access Index data available for the south coast of Myanmar.

Calculating Rural Road Access Globally Using Open Datasets

By Ross Bernet on December 20th, 2019

We used three open datasets to calculate the number of people in the world who do not have sufficient access to a road in an effort to move forward the conversation on the Rural Access Indicator (RAI).

Software Engineering

GeoTrellis 3.0 Release

By Eugene Cheipesh and Ross Bernet on October 29th, 2019

GeoTrellis 3.0 includes feature additions and improvements that make it easier to read raster data from a variety of formats and sources, and support COG's.

Viridis color scheme applied to analysis of part of the U.S.

Software Engineering

Introducing WMS and WCS Support for GeoTrellis and Raster Foundry

By Nathan Zimmerman on July 3rd, 2019

Raster Foundry and GeoTrellis now support WMS and WCS standards, enabling streamlined workflows that utilize multiple data sources.

Machine learning that identifies fields overtop of the original geography.

Software Engineering

Mapping Africa: Crowdsourced Machine Learning

By Justin Polchlopek on February 21st, 2019

We leveraged our ability to process raster imagery, our open sources libraries, and our knack for machine learning to map agricultural fields in Africa.

Software Engineering

Reflections from the UN World Data Forum

By Ross Bernet on November 9th, 2018

Azavea attended the UN World Data Forum in Dubai last week and learned how Earth Imagery can be applied to Sustainable Development Goals (SDGs).

Software Engineering

Generating Pyramided Tiles from a GeoTIFF using GeoTrellis

By Terence Tuhinanshu on August 6th, 2018

A tutorial for generating pyramided map tiles (also called Slippy Map tiles) from a GeoTIFF using GeoTrellis, which can be used in Leaflet or OpenLayers.