chart = {
const svg = d3.create("svg").attr("viewBox", [0, 0, width, height]);
svg
.append("g")
.call(xAxis)
.call(g => g.selectAll('.domain').remove());
svg
.append("g")
.call(yAxis)
.call(g => g.selectAll('.domain').remove());
svg.append("g").call(grid);
let voronoi = d3.Delaunay.from(
data,
d => xScale(xAccessor(d)),
d => yScale(yAccessor(d))
).voronoi([
margin.left,
margin.top,
width - margin.right,
height - margin.bottom
]);
const mesh = svg
.selectAll(".voronoi")
.data(data)
.join("path")
.attr("fill", "transparent")
.attr("stroke", "transparent")
.attr("class", "voronoi")
.attr("d", (d, i) => voronoi.renderCell(i));
svg
.append("rect")
.attr("x", margin.left)
.attr("y", yScale(4500))
.attr("height", yScale(3500) - margin.bottom)
.attr("width", width - margin.left - margin.right)
.attr("fill", d3.schemeCategory10[2])
.attr("opacity", 0.3)
.style("pointer-events", "none");
svg
.append("rect")
.attr("x", xScale(500))
.attr("y", margin.top)
.attr("height", height - margin.bottom - margin.top)
.attr("width", xScale(300) - margin.left)
.attr("fill", d3.schemeCategory10[0])
.attr("opacity", 0.3)
.style("pointer-events", "none");
svg
.append("rect")
.attr("x", xScale(0))
.attr("y", margin.top + yScale(3500) - margin.bottom)
.attr("height", height - margin.bottom - yScale(3500))
.attr("width", xScale(500) - margin.left)
.attr("fill", d3.schemeCategory10[1])
.attr("opacity", 0.3)
.style("pointer-events", "none");
const xLabel = svg
.append('text')
.attr('x', width - margin.right - 34)
.attr('y', height - margin.bottom - 2)
.attr('fill', 'black')
.attr('text-anchor', 'middle')
.style("font-size", "10px")
.html('Home Runs →');
const yLabel = svg
.append('text')
.attr('x', margin.left + 20)
.attr('y', margin.top + 10)
.attr('fill', 'black')
.attr('text-anchor', 'middle')
.style("font-size", "10px")
.html('Hits ↑');
const dots = svg
.selectAll("circle")
.append("g")
.data(data)
.join("circle")
.attr("cx", d => xScale(xAccessor(d)))
.attr("cy", d => yScale(yAccessor(d)))
.attr("r", radius)
.attr("fill", function(d) {
if (d.hits < 3500 && d.HRs < 500) {
return 'rgba(0.2, 0.2, 0.2, 0.4)';
} else {
return 'black';
}
})
.style("pointer-events", "none");
mesh.on('mouseenter', mouseEnter).on('mouseleave', mouseLeave);
const tooltip = svg
.append('g')
.attr('visibility', 'hidden')
.attr("pointer-events", "none");
const tooltipHeight = 20;
const tooltipRect = tooltip
.append('rect')
.attr('fill', '#f5f5f5')
.attr("stroke", "black")
.attr("x", 8)
.attr('height', tooltipHeight);
const tooltipText = tooltip
.append('text')
.attr('color', 'black')
.attr('font-family', 'sans-serif')
.attr('font-size', 10)
.attr('dy', 5)
.attr('dx', 10)
.attr('dominant-baseline', 'hanging')
.attr("text-anchor", "right");
// handle hovering over a circle
function mouseEnter(event, d) {
// make the circle larger
d3.select(this).attr('r', radius * 2);
// update the text and get its width
tooltipText.text(d.name);
// tooltipText.append("xhtml:body").html(`<p>Test</p>`);
const labelWidth = tooltipText.node().getComputedTextLength();
// set the width of the tooltip's background rectangle
// to match the width of the label
tooltipRect.attr('width', labelWidth + 6);
// move the tooltip and make it visible
const xPos = xScale(xAccessor(d)) - radius * 3;
const yPos = yScale(yAccessor(d)) - tooltipHeight;
tooltip
.attr('transform', `translate(${xPos},${yPos})`)
.attr('visibility', 'visible');
}
// handle leaving a circle
function mouseLeave(event, d) {
// reset its size
d3.select(this).attr('r', radius);
// make the tooltip invisible
tooltip.attr('visibility', 'hidden');
}
const annotationLabel = svg
.append("g")
.attr("class", "annotation-group")
.attr("pointer-events", "none")
.call(makeAnnotations);
svg
.append("text")
.text("Hank Aaron")
.attr("x", xScale(755) - 120)
.attr("y", yScale(3771) - 55)
.attr("fill", "black")
.attr("pointer-events", "none");
return svg.node();
}
html`<style>
.annotation-group text {
font-size: 24px;
dx: -100px;
}
</style>`
d3.schemeCategory10[0]
data = d3.csvParse(
await FileAttachment('hits_homerun_dataset.csv').text(),
d3.autoType
)
hankStats = data
.filter(d => d.name == 'Hank Aaron')
.map(d => {
return { hits: d.hits, homers: d.HRs };
})
hankStats[0].homers
height = 600
width = 800
margin = ({ top: 20, right: 60, bottom: 20, left: 60 })
radius = 3
xAccessor = d => d.HRs
yAccessor = d => d.hits
colorAccessor = d => d.HRs
xScale = d3
.scaleLinear()
.domain(d3.extent(data, xAccessor))
.nice()
.range([margin.left, width - margin.right])
yScale = d3
.scaleLinear()
.domain(d3.extent(data, yAccessor))
.nice()
.range([height - margin.bottom, margin.top])
colorScale = d3
.scaleLinear()
.domain(d3.extent(data, colorAccessor))
.range(d3.schemeBlues)
xAxis = g =>
g
.attr("transform", `translate(0,${height - margin.bottom})`)
.call(d3.axisBottom(xScale).ticks(width / 80))
.call(g => g.select(".domain").remove())
.call(g =>
g
.append("text")
.attr("x", width)
.attr("y", margin.bottom - 4)
.attr("fill", "currentColor")
.attr("text-anchor", "end")
.text(data.x)
)
yAxis = g =>
g
.attr("transform", `translate(${margin.left},0)`)
.call(d3.axisLeft(yScale))
.call(g => g.select(".domain").remove())
.call(g =>
g
.append("text")
.attr("x", -margin.left)
.attr("y", 10)
.attr("fill", "currentColor")
.attr("text-anchor", "start")
.text(data.y)
)
grid = g =>
g
.attr("stroke", "currentColor")
.attr("stroke-opacity", 0.1)
.call(g =>
g
.append("g")
.selectAll("line")
.data(xScale.ticks())
.join("line")
.attr("x1", d => 0.5 + xScale(d))
.attr("x2", d => 0.5 + xScale(d))
.attr("y1", margin.top)
.attr("y2", height - margin.bottom)
)
.call(g =>
g
.append("g")
.selectAll("line")
.data(yScale.ticks())
.join("line")
.attr("y1", d => 0.5 + yScale(d))
.attr("y2", d => 0.5 + yScale(d))
.attr("x1", margin.left)
.attr("x2", width - margin.right)
)
delaunay = d3.Delaunay.from(data)
annotations = [
{
type: d3_annotation.annotationCalloutCircle,
note: {
// label: "A true legend",
// title: "Hank Aaron",
wrap: 300
},
//settings for the subject, in this case the circle radius
subject: {
radius: 20
},
x: xScale(755),
y: yScale(3771),
dy: -50,
dx: -80
}
].map(function(d) {
d.color = "black";
return d;
})
makeAnnotations = d3_annotation
.annotation()
.type(d3_annotation.annotationLabel)
.annotations(annotations)
d3_annotation = require("https://cdnjs.cloudflare.com/ajax/libs/d3-annotation/2.3.0/d3-annotation.min.js")
d3_base = require("d3@6")
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