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Using the R-ArcGIS Bridge in Jupyter

I was sitting in a presentation a few weeks ago on the R-ArcGIS bridge and I had a question: “Can I use the R-ArcGIS bridge in my Jupyter Notebook?” When I asked one of the presenters if this would be possible, he said, “Yes”.  So, after the presentation, I set out to get the R-ArcGIS […]

Custom Web AppBuilder Widgets in TypeScript

If you’re a JavaScript developer, you may have heard of TypeScript, a typed superset of JavaScript that compiles to plain JavaScript. If you’re also creating custom Web AppBuilder widgets, using TypeScript in a widget is a great way to get started with TypeScript. Here are a few notes and tips that I’ve discovered while using […]

Extending Widgets in ArcGIS Web AppBuilder

I’ve had many requests and ideas for Web AppBuilder widgets over the past few years, and many times they are ideas that are building on an existing widget. For example, a query widget that is custom to a particular workflow, an edit widget that enforces certain geometry movement restrictions, or maybe adding a few more […]

How to Create Pitch Charts with Python

A guest post by Gregory Brunner I have been interested in looking at MLB pitch data and play-by-play for a while now, however, I have not found any good blob posts or tutorials for doing this. So during the MLB Playoffs, while I was checking the score of Cubs vs. Dodgers, Game 5 on Yahoo! […]

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Gavin Rehkemper

JavaScript, WordPress, and GeoDev