This article explains how to create a basic Heat Map chart as well. .
Syntax chapter. An example of a Heat Map Chart is given below. < script src = "https://code.highcharts.com/highcharts.js"> .
#Setting up the heat map series. Heat maps require the modules/heatmap.js file to be loaded. The heat map series is defined by setting the type to heatmap. A heat map has an X and Y axis like any cartesian series. The point definitions however, take three values, x, y as well as value, which serves as the value for color coding the point. These