Stacked RectX
<Plot color={{ legend: true }}>
<RectX
{data}
y1={0}
y2="height"
x="width"
fill="category"
insetRight={1} />
</Plot>
<Plot color={{ legend: true }}>
<RectX
{data}
y1={0}
y2="height"
x="width"
fill="category"
insetRight={1} />
</Plot>