Book Image

Leaflet.js Essentials

By : Paul Crickard III, Paul Crickard
Book Image

Leaflet.js Essentials

By: Paul Crickard III, Paul Crickard

Overview of this book

Table of Contents (13 chapters)
Leaflet.js Essentials
About the Author
About the Reviewers

Heatmaps with ESRI in Leaflet

In Chapter 3, Creating Heatmaps and Choropleth Maps, you learned about several plugins that you can use to create heatmaps. The esri-leaflet plugin also has a heatmap layer that will allow you to pass an ESRI service as the data. To create a heatmap using the esri-leaflet plugin, follow these steps:

  1. First, add a reference to the ESRI-leaflet file, and since the heatmap layer is not included in the core build of the esri-leaflet plugin, you will need to reference an additional ESRI file, esri-leaflet-heatmap-feature-layer.js. The ESRI heatmap layer requires leaflet-heat.js, so you need to add a reference to that as well:

    <script src=" leaflet/0.0.1-beta.5/esri-Leaflet"></script>
    <script src="esri-leaflet-heatmap-feature- layer.js"></script>
    <script src="leaflet-heat.js"></script>
  2. Create your map and basemap as you normally would and then add the heatmap layer. The heatmap layer requires...