With amCharts library you can easily produce layered column or bar chart with any number of layers. The trick is simple, you should set <strong>clustered</strong> property of a graph to <strong>false</strong>. Besides that you might want to make columns of the graph more narrow - set columnWidth to a smaller than default value, like 0.5.

With amCharts library you can easily produce layered column or bar chart with any number of layers. The trick is simple, you should set <strong>clustered</strong> property of a graph to <strong>false</strong>. Besides that you might want to make columns of the graph more narrow - set columnWidth to a smaller than default value, like 0.5.