'D3 HORIZON' is a custom viz App to show the horizon chart by using 'D3.js'. This horizon chart is more colorful and available for overlap area. X axis is Datetime by default, however Numerical and Categorical fields are available. Drilldown and dashboard token are available for additional search. In addition, custom tooltip is supported by moving the mouse cursol on the area. Let's compare the beautiful waves per category, this chart may possibly replace stacked area chart!