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example_D3_CPU.html
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example_D3_CPU.html
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<!DOCTYPE html>
<header>
Example Chart
</header>
<meta charset="utf-8">
<svg width="960" height="500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
var data = [
{date: "2022-01-01 00:00:00", apples: 3840, bananas: 1920, cherries: 500, dates: 400},
{date: "2022-01-01 00:00:10", apples: 1600, bananas: 1440, cherries: 400, dates: 400},
{date: "2022-01-01 00:00:20", apples: 640, bananas: 960, cherries: 600, dates: 600},
{date: "2022-01-01 00:00:30", apples: 320, bananas: 480, cherries: 600, dates: 400}
];
var series = d3.stack()
.keys(["apples", "bananas", "cherries", "dates"])
.offset(d3.stackOffsetDiverging)
(data);
var svg = d3.select("svg"),
margin = {top: 20, right: 30, bottom: 30, left: 60},
width = +svg.attr("width"),
height = +svg.attr("height");
var x = d3.scaleBand()
.domain(data.map(function(d) { return d.date; }))
.rangeRound([margin.left, width - margin.right])
.padding(0.1);
var y = d3.scaleLinear()
.domain([d3.min(series, stackMin), d3.max(series, stackMax)])
.rangeRound([height - margin.bottom, margin.top]);
var z = d3.scaleOrdinal(d3.schemeCategory10);
svg.append("g")
.selectAll("g")
.data(series)
.enter().append("g")
.attr("fill", function(d) { return z(d.key); })
.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
.attr("width", x.bandwidth)
.attr("x", function(d) { return x(d.data.date); })
.attr("y", function(d) { return y(d[1]); })
.attr("height", function(d) { return y(d[0]) - y(d[1]); })
svg.append("g")
.attr("transform", "translate(0," + y(0) + ")")
.call(d3.axisBottom(x));
svg.append("g")
.attr("transform", "translate(" + margin.left + ",0)")
.call(d3.axisLeft(y));
function stackMin(serie) {
return d3.min(serie, function(d) { return d[0]; });
}
function stackMax(serie) {
return d3.max(serie, function(d) { return d[1]; });
}
</script>