GeoDev Summit Recap

I wanted to give a recap and tell the backstory to the recently held GeoDev Summit.  The event was held on March 5 at Harrisburg University of Science & Technology.  It was a one day conference for current and future GIS Developers.  Sessions covered topics like Esri's JavaScript API, open-source web GIS technologies, and desktop scripting …

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Building A Soils Clip Tool for Agricultural Preservation Reporting

I'm getting close to wrapping up a project for our Planning department and wanted to share about it.  It's a custom ArcGIS Desktop geoprocessing tool that stemmed from a conversation with one of our planners.  He was having trouble clipping a dataset.  After figuring out the issue, I had him walk me through his entire …

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 …

Automating File Transfer from an FTP Site With Python

I wanted to share a project I'm working on as part of my involvement with South Central Task Force GIS Workgroup.  As part of our monthly regional data update process, a file geodatabase is created.  It contains updated versions of various datasets ranging from road centerlines to parks.    The geodatabase is zipped and placed …

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 …

Testing Nominatim Geocoder with Leaflet.js

I recently wrote a post about the Esri Geocoding plugin for the Leaflet.js web mapping library.  In my spare time, I have been working on developing a version of an existing web map that does not use any  Esri-Leaflet plugins.  One of these features of the map is geocoding or searching by street address or …

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, …

Esri Leaflet Geocoder Crash Course

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 …

CSS Hacks for Esri’s Web AppBuilder

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 …

Converting Parcels to Address Points With a Python Script

I feel that I have grown in leaps and bounds this year with my Python and ArcPy coding skills.  A big part of this has been the various projects I've taken on helping the Pennsylvania South Central Task Force's (SCTF) GIS Workgroup with its regional data sharing.  I've also been learning a lot about ArcPy …