headshot of Patrick McKinney

I am a cartographer and developer interested in telling the stories of communities through maps and technology.

Featured Articles

people holding a small map

How to Add A Legend to the Esri Story Map Tour App

July 23, 2020

Using the Esri ArcGIS Javascript API, you can customize the Classic Story Map applications. In this article, I'll walk you through adding a legend to the Map Tour app.

wooden fence posts

Converting Parcels to Address Points With a Python Script

August 2, 2017

To get around a software license issue with the Esri Feature to Point tool, I developed a Python script that loops through a polygon feature class, and creates a point feature class using the centroid coordinates.

a left or right road sign with mountains in the background.

Reflections on Building Web Maps With Esri JS API From a Leaflet.js Fanboy

April 2, 2020

I started creating web map apps with Leaflet.js. Last year, I finally learned the ArcGIS JavaScript API. I wanted to share a few reflections on working with both platforms. I believe both have a place for developers.

Featured Projects

Subdivision & Land Development Plans Review App

screen shot of a web map app

An interactive web map that allows querying subdivision/land development plans reviewed by the Cumberland County Planning office. Built with Leaflet.js, Esri web services, and Bootstrap.

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SARA Report Tool

factory with smokestacks

The SARA Report Tool is a custom ArcGIS tool developed to assist Cumberland County Public Safety with the reporting for hazardous chemical facilties.

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South Middleton Township Official Map

screen shot of the South Middleton Township official map

This update to the existing Official Map included designing a visual hierarchy among thematic and reference layers, and developing a balanced system of labels for features.

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