Esri Map Service Loading & Error Events in Leaflet.js

Over the summer, we were having a recurring issue where our map services on ArcGIS Server were down.  It seemed to happen at random times.  I even received an e-mail while at a picnic about a service being down.  While this was annoying, more concerning was that my web maps built using Leaflet.js and consuming …

Some Tools I Use As A GIS Developer

I'm teaming up with Harrisburg University to hold the first-ever GeoDev Summit in Harrisburg, Pennsylvania.  The event will be held on March 5, 2018, and will have technical sessions for experienced GIS Developers, as well as those just getting started.  As I've been considering what types of sessions to provide for new developers, I thought …

Customizing the Esri Shortlist Story Map App

The Esri Story Maps platform is pretty popular among GIS professionals these days.  I wanted to share one of the enhancements I made to the Shortlist template.  I have a fork of this project on GitHub, where I've provided the custom code for both the 1.4.9 and 2.2.3 versions of the app. At version 2.x, …