Tag ArcGIS Web AppBuilder

St. Louis Imagery - 1990 to Now

What kind of changes to the built environment happened in your city within the past 25 years? Looking at and comparing aerial imagery can be an informative and compelling way to investigate changes.

National Park System

If you look at all the National Parks across the US, there are about 60. The National Park Service manages many more “park units” other than just the officially-designated “National Parks.” These include things like National Lakeshores, National Monuments, National Parkways, National Preserves, etc.

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.

Published Web App

Last week Missouri got a lot of rain, which caused flooding in the Meramec river valley near St. Louis. I received a link to an ArcGIS Image Service that Surdex had created and provided that showed the flooding as of Tuesday 5/2. They flew this imagery as a service to the government and first responders, hoping to help those affected quicker and more efficiently.

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?

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.

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.