Announcing the Python for ArcGIS Course

Last summer was a busy and exciting season of life.  My wife and I welcomed our third child into the world, and I had the opportunity to develop the Python for ArcGIS course for Harrisburg Area Community College.  This self-paced online course is now available to purchase. The course consists of video lessons, exercises, and recommended …

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Are You Thinking About Your Map Users?

Over the past few years, I've been working on a side project to update the hiking trails map for a small camp.  Though the project has taken longer than I anticipated, it has been very rewarding.  This past week, I think we finally finished the map.  And it was during this last revision process that …

Building the Find Zoning District By Parcel App

Our IT department is developing an online plan submission website for the County's Planning office.  In talking with the developers, the topic of finding the zoning district for a tax parcel (or piece of real estate) came up.  Our GIS department publishes services for both tax parcels and zoning districts.  I've also been wanting to …

The Most Important App Might Not Be The Most Fun

I have a confession to make: my organization's most viewed and most important web map app is not my favorite app to work on.  And it's taken me awhile to realize that this app is the one that needs to be the highest priority.  The Cumberland County Property Mapper receives around 98% percent of our …

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 …

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 …