Learn here how to make a heatmap chart with Datylon, either the web app or the plug-in for Illustrator
Although the video shows how a heatmap is created in Datylon for Illustrator, the styling of the chart is exactly the same for the Datylon web app.
This video shows the making of a heatmap that visualizes the evolution of temperatures at the North Pole.
This tutorial is also available in a form of an article here.
- Blog: Deep dive into... heatmaps
- Chart library: Heatmap resource page
- Tutorial: How to make a heatmap in Illustrator
- Chart properties: Heatmap properties
Download data from the tutorial here.