Tag Archives: gis

Folium Lines and Markers

I was asked recently about adding multiple custom lines and markers to a Folium map. Folium can be a bit funny about the order in which things are applied so below gives an example of how you can later lines and markers. To make it easier to see which elements are which in the final… Read More »

Python Convert KML to GeoJSON

GeoJSON and KML are formats for storing spatial information. KML files are commonly found with Google Earth type applications, so it can be useful to convert KML to GeoJSON.  The python library kml2geojson can be used to convert KML to GeoJSON. kml2geojson works as either a tool from the command line, or can be used… Read More »

Convert Postcode Coordinates

It’s common to have the postcode of an address and need to plot this on a map. In this post I show you two options for how to convert postcode coordinates using an online tool or data available for free online. Option 1. Use an Online Conversion Tool Often the easiest way to convert postcode… Read More »

Folium Marker Clusters

Marker clusters can be a good way to simply a map containing many markers. When the map is zoomed out nearby markers are combined together into a cluster, which is separated out when the map zoom level is closer. In this post I show you how Folium marker clusters are easy to set up and… Read More »