Radial Stacked Bar Chart
This beautified zoomable radial stacked bar chart can enable you to plot the categorized series on a polar coordinate system. This displays the Y-axis in a circular manner, as a radar chart making the columns circular. One can easily adjust the start and end angles to better align your needs.
The Radial Stacked Bar Chart comes with 2 zoomable axes, X and Y which enable zooming in upon 2 dimensions.
You can also use the mouse to further drill into the visualization for a more detailed view.