Did you know that the Treemap has different layout modes to create different visualizations? This is the default and most typical Treemap; it uses a rectangular layout that everyone is fairly familiar with:
However, most people don’t know about the horizontal and vertical layouts , which can be very useful as a different type of visualization:
Here’s an example of this type of Treemap in action - Monthly Rainfall in Mozambique . The visualizations on the bottom and right are Treemaps that are using the horizontal and vertical layouts:
