Plot.plot({
grid: true,
padding: 0.05,
x: { label: "Knowledge Vector", axis: "top" },
y: { label: "LEED Categories" },
color: { type: "linear", scheme: "PiYG", unknown: "#ddd", legend: true },
height: 640,
marks: [
Plot.cell(data, {
x: "number_in_season",
y: "season",
fill: "imdb_rating"
}),
Plot.text(
data,
colorContrast({
// luminance: 60,
x: "number_in_season",
y: "season",
fill: "imdb_rating",
text: (d) => (d.imdb_rating == null ? "-" : d.imdb_rating.toFixed(1)),
title: "title"
})
)
]
})
colorContrast = ({ luminance = 60, ...options }) =>
Plot.initializer(options, (data, facets, channels, scales) => {
const contrast = (color) =>
d3.hcl(color).l > luminance ? "black" : "white";
return {
channels: {
fill: {
...channels.fill,
scale: undefined,
value:
channels.fill == null // when options.fill is a constant color such as "red"
|| scales.color == null // when the scale isn't yet available (e.g. hexbin below)
? Array.from(data).fill(contrast(options.fill))
: Array.from(channels.fill.value, (value) => contrast(scales.color(value)))
}
}
};
})
data = simpsons.data
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