The Leaflet: GeoJSON Data and AJAX Plugin

In this tutorial we move forward to look at how to include raw GeoJSON data into our maps using the AJAX add-on. You will see how to add geospatial content from an external source into your application and how to display on the Leaflet map. I will explain how you can create a Leaflet map with AJAX to extract GeoJSON data and add it to the layer of the map. It allows you to add new layers into your map without the need to refresh the page, and therefore your web maps are more dynamic.

Some important topics that will be discussed in order are configuring the AJAX plugin, working with different types of data – GeoJSON in particular, and working with styles of map features. At the end of this tutorial, you will comprehend how to put the Leaflet and GeoJSON tools to work in the creation of interactive maps based on data. No matter if you are developing a new GIS project or improving the existing one, these techniques will assist to create more interesting and informative maps.