pixel flipper, data sifter. trying to see what I can while I'm here
Published
Edited
Sep 14, 2020
1 fork
11 stars
categorized = [
{ emoji: "🍏", type: "fruit", value: 45 },
{ emoji: "🍎", type: "fruit", value: 25 },
{ emoji: "🍐", type: "fruit", value: 15 },
{ emoji: "🍊", type: "fruit", value: 35 },
{ emoji: "🍋", type: "fruit", value: 5 },
{ emoji: "🍌", type: "fruit", value: 25 },
{ emoji: "🍉", type: "fruit", value: 15 },
{ emoji: "🥕", type: "vegetable", value: 45 },
{ emoji: "🥦", type: "vegetable", value: 35 },
{ emoji: "🥬", type: "vegetable", value: 25 },
{ emoji: "🥒", type: "vegetable", value: 15 },
{ emoji: "🍆", type: "vegetable", value: 15 },
{ emoji: "🧅", type: "vegetable", value: 35 },
]
chart = {
let tree = treemap(root)
let svg = d3.create("svg")
.attr("width", width)
.attr("height", height)
let leaf = svg.selectAll("g")
.data(tree.leaves())
.join("g")
.attr("transform", d => `translate(${d.x0},${d.y0})`)
leaf.append("rect")
.attr("width", d => d.x1 - d.x0)
.attr("height", d => d.y1 - d.y0)
// .attr("fill", d => { while (d.depth > 1) d = d.parent; return color(d.data.name) })
.attr("fill", d => { return color(d.data.name) })
.attr("fill-opacity", 0.2)
leaf.append("text")
.selectAll("tspan")
.data(d => d3.range(d.value).map(i => ({ name: d.data.name, parent: d}) ))
.join("tspan")
.attr("x", (d,i,nodes) => {
let w = d.parent.x1 - d.parent.x0 - 5
let n = Math.floor(w / emojiSize)
return 3 + (i % n) * emojiSize
})
.attr("y", (d,i,nodes) => {
let w = d.parent.x1 - d.parent.x0 - 5
let n = Math.floor(w / emojiSize)
return 25 + Math.floor(i/n) * emojiSize
})
.style("font-size", `${emojiSize}px`)
.text(d => d.name)
return svg.node()
}
grouped = d3.group(categorized, d => d.type)
data = ({
name: "foods",
children: Array.from(grouped, ([d, children]) => {
return {
name: d,
children: children.map(c => {
return { ...c, name: c.emoji }
})
}
})
})
root = d3.hierarchy(data)
.sum(d => d.value)
.sort((a,b) => b.value - a.value)
treemap = d3.treemap()
.tile(d3.treemapSquarify)
.size([width, height])
.padding(1)
// .round(true)
height = 420
emojiSize = 25
color = d3.scaleOrdinal(d3.schemeCategory10)
d3 = require("d3@6")
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