Tag ArcGIS

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 bridge running in Jupyter. Installing the ArcGIS-R Bridge The first thing I did was install the R-ArcGIS bridge.

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 TypeScript within a Web AppBuilder custom widget development workflow.

Extending Widgets in ArcGIS Web AppBuilder

I’ve had many requests and ideas for Web AppBuilder widgets over the past few years, and many are ideas that build on an existing widget. Most developers will copy the original out-of-the-box (OOTB) widget, rename it, and then start development from there. Which is great because it gets you moving quickly. But is this really the best way to do things?

St. Louis Bike Trails with Open Data from Great Rivers Greenway

2016 was a year of biking for my wife and me. We biked many trails in St. Louis, and even did part of the Katy Trail. So when I saw St. Louis City alderman Scott Ogilvie tweeting about Great Rivers Greenway, the trails organization in the St. Louis area, I started wondering what the future of St. Louis trails will be.

Release Your New Web AppBuilder Widget in Four Steps

So you just wrote a great Web AppBuilder widget, and want to release it to the world so everyone can benefit. Here are a few steps to follow.

Custom Basemap Toggle with ArcGIS JavaScript API 4 View Models

I am super excited about the ArcGIS Maps SDK for JavaScript 4.0 beta. One of the exciting things is developer friendly widgets which allows us to write our own presentation layer, and still use the logic of the core widget (the “View Model”). For example, the View Model for the Basemap Toggle Widget allows you to call toggle() and get the current/secondary basemaps, all from your own module that implements the view.

This Week in Esri GitHub

Esri has opened up a bunch of repositories on GitHub this past week.

The Geography of Basketball: Mapping NBA Shotcharts in ArcGIS

Here, I want to show how you can use Python to push this data into a Geographic Information System, ArcGIS. From there, you can leverage concepts, tools, and applications that are generally reserved for geography and geographers to make some great visuals from NBA player shot chart data. (A guest post by Gregory Brunner)

Adding D3 to an ArcGIS Web AppBuilder Widget

If you’re an Geodev that works with ArcGIS, you may be familiar with Web AppBuilder, a platform that allows us as developers to create custom widgets that then our business users can use to create web apps around their maps. One thing you might want to do as a developer is add an additional JavaScript library to use in your widget.

ArcGIS JavaScript Draggable InfoWindow

Note: Draggable popup code for the latest version of the ArcGIS Maps SDK for JavaScript is here In the ArcGIS API for JavaSctipt v3, the InfoWindow on a web map is the primary method of of showing information on selected items in the map. The map control automatically does its best to show the InfoWindow within the the viewport of the map, but on some maps and in certain situations, it may be appropriate to allow the user to drag the InfoWindow away from the automatically placed location.