The pile groups your bar series together and you can also
add some attributes to alter the view of the bars.
myBarsSerie : Plot.Element (Interaction YourMsg)
myBarsSerie =
pile
[ Pile.maxBarWidthPer 85 ]
[ Pile.bars
[ Bars.fill Common.pinkFill ]
data
]Add a bar series.
Set a fixed max width (in pixels) on your bars.
Set a relative max width (in percentage) your bars.