In this chapter, we will understand how to work with heat maps. The heat map will show the data presented in different colors for the range selected in the data metrics.
Getting Started with Heat Map
To start with, we need to create visualization by clicking on the visualization tab on the left side as shown below −
Select visualization type as heat map as shown above. It will ask you to choose the index as shown below −
Select the index countries’ data-28.12.2018 as shown above. Once the index is selected we have the data to be selected as shown below −
Select the Metrics as shown below −
Select Max Aggregation from the dropdown as shown below −
We have select Max since we want to plot Max Area country-wise.
Now will select the values for Buckets as shown below −
Now, let us select the X-Axis as shown below −
We have used Aggregation as Terms, Field as Country, and Order By Max Area. Click on Apply Changes as shown below −
If you click Apply Changes, the heat map looks as shown below −
The heat map is shown with different colors and the range of areas is displayed on the right side. You can change the color by click on the small circles next to the area range as shown below −
