Analyzing OpenTreeMap Data with PostGIS
By Tyler Dahlberg on July 6th, 2015
In this blog, I’ll be continuing the work I started in Loading Spatial Data into PostGIS with QGIS. Last time...
Loading Spatial Data into PostGIS with QGIS
By Tyler Dahlberg on June 19th, 2015
I recently had the opportunity to work with Azavea’s OpenTreeMap team to analyze tree planting data for Edmonton, Alberta. You...
Making Easy Story Maps Using the Odyssey.js Sandbox
By Tyler Dahlberg on February 27th, 2015
Storytelling with Odyssey.js There were a lot of geospatial developments in 2014 (read about some of them right here). One of...
When Mapping Quantities, Choices Matter
By Tyler Dahlberg on December 22nd, 2014
An article just came up last Friday on Technically Philly that mentioned one of the winning projects from Azavea’s Open Data Philly Visualization...
A Bird On a Map is Worth Two in the Bush
By Tyler Dahlberg on December 1st, 2014
In the spirit of Thanksgiving turkey, I was interested in how many birds are consumed globally, and not just here...
Chart Your Way to Visualization Success
By Tyler Dahlberg on October 30th, 2014
Following up on the themes of Sarah’s earlier blog, “4 Cartography Color Tips Hue Should Know”, here are a few...