Using GeoJSON with Leaflet

city park with buildings in background

Last November, I presented an introductory session on the GeoJSON data format at the Central PA GIS Day event in Harrisburg, PA.  I also have a GeoJSON/Leaflet pen on CodePen that has been getting decent traffic lately.  With these things in mind, I thought I’d share a some thoughts about GeoJSON. My presentation and demos from … Continue reading Using GeoJSON with Leaflet

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Leaflet Web Map Helper Functions

two people holding hands near the ocean

I believe it was back at GIS Day 2015 when I decided I was going to give the Leaflet.js web mapping library a shot.  I had some HTML and CSS skills under my belt, and knew a little bit about JavaScript.  I started by creating simple embedded maps.  My first full-page app had a weak … Continue reading Leaflet Web Map Helper Functions