Esri Map Service Loading & Error Events in Leaflet.js

screen shot of codepen demo map

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 … Continue reading Esri Map Service Loading & Error Events in Leaflet.js

Esri Leaflet Geocoder Crash Course

road map

I thought I’d introduce the Esri Leaflet Geocoder plugin in this post. It is one of many plugins Esri has developed to support integration with the Leaflet.js web mapping library. Although Esri states that they “provide no guarantee of individual features, nor a traditional product lifecycle to support planning,” they have integrated their technology with … Continue reading Esri Leaflet Geocoder Crash Course

CSS Hacks for Esri’s Web AppBuilder

desk with computer and hand drawings of building layouts

Note: This article was first published on 9/11/2017. It has been updated to reflect changes working with Web AppBuilder version 2.8. I've recently had the opportunity to develop a few web map apps using Esri's Web AppBuilder (Developer Edition) platform.  It's essentially a HTML5/JavaScript container that displays a web map and various widgets in a … Continue reading CSS Hacks for Esri’s Web AppBuilder

Adding Esri Map Services with Custom Tiling Schemes to Leaflet.js

map books in a store

I have been developing data visualization web mapping applications for various Cumberland County departments using the Leaflet.js JavaScript library. All of these apps have used the standard WGS84 Web Mercator Auxiliary Sphere projection/tiling scheme. This is used in Google Maps, ArcGIS Online, and the other major web map players. And while this works just fine, … Continue reading Adding Esri Map Services with Custom Tiling Schemes to Leaflet.js