New Course! Leaflet.js client-side programming.

Display and analyze GIS data on the web with Leaflet.js. For FREE!!!!

This course is available now on Udemy.com. It will show you how to add a web map to a web page using Leaflet.js including

Geolocation methods
Native and plugin map controls
Base maps
Adding raster data
Vector layers
Group layers
Native leaflet styling options
Plugin styling options
Loading GeoJSON files
Searching
Filtering
Nearest feature
Geoprocessing with Turf.js

Continue reading “New Course! Leaflet.js client-side programming.”

June 5, 2017November 13, 2017

Filtering data in Leaflet

This video shows an example of how to filter data in Leaflet using HTML radio buttons to make a selection. This is analagous to using a definition query in ArcGIS or a filter feature in QGIS. We are limiting which data is included in a feature group based on its attributes. Continue reading “Filtering data in Leaflet”

May 30, 2017November 13, 2017

Displaying YOUR GIS data in a leaflet map (pt 2 – lines and polygons)

This video shows how to load your line and polygon GIS data into a leaflet web map, This requires using the Leaflet.Ajax plug-in. I also demonstrate the basics of styling and filtering line and polygon data. Continue reading “Displaying YOUR GIS data in a leaflet map (pt 2 – lines and polygons)”

May 26, 2017November 13, 2017

Displaying YOUR GIS data in a leaflet web map (pt 1- Points)

This video shows how to export your GIS data to a GeoJSON text file and load it into a leaflet web map, This requires using the Leaflet.Ajax plug-in. I also demonstrate the basics of styling and filtering point data. Continue reading “Displaying YOUR GIS data in a leaflet web map (pt 1- Points)”