Another updating joyplot, this one with labels and an axis and some more reasonable design decisions. See also Joyplot Update Pattern.
Last active
September 8, 2017 04:33
Joyplot Update Pattern II
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license: gpl-3.0 |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<style> | |
body { | |
margin: 0; | |
font-family: "Helvetica Neue", sans-serif; | |
} | |
.area { | |
fill: steelblue; | |
stroke: #fff; | |
} | |
.area:nth-child(odd){ | |
fill: lightskyblue; | |
} | |
.line { | |
fill: #fff; | |
} | |
.baseline { | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.baseline:last-of-type { | |
display: none; | |
} | |
.line-label { | |
text-anchor: end; | |
font-size: .8em; | |
} | |
.line-label:nth-child(odd){ | |
fill: #888; | |
} | |
</style> | |
</head> | |
<body> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<script src="https://unpkg.com/jeezy@1.11.0/lib/jeezy.min.js"></script> | |
<script> | |
var alpha = "Annie,Bob,Christina,Dylan,Elizabeth,Fred,Gertrude,Isaiah,Jennifer".split(","); | |
var margin = {top: 50, left: 75, bottom: 50, right: 10}, width = window.innerWidth - margin.right - margin.left, height = window.innerHeight - margin.top - margin.bottom; | |
var svg = d3.select("body").append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.top + margin.bottom) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + ", " + margin.top + ")"); | |
var y_wrapper = d3.scaleBand() | |
.rangeRound([0, height]) | |
.domain(alpha); | |
var y = d3.scaleLinear() | |
.range([y_wrapper.bandwidth(), 0]) | |
.domain([0, 100]); | |
var x = d3.scaleLinear() | |
.range([0, width]) | |
.domain([0, 100]); | |
var area = d3.area() | |
.x(function(d){ return x(d.day); }) | |
.y1(function(d) { return y(d.value * 2); }) | |
.y0(y(0)) | |
.curve(d3.curveBasis); | |
svg.append("g") | |
.attr("class", "axis x") | |
.attr("transform", "translate(0, " + (height - 2) + ")") | |
.call(d3.axisBottom(x)) | |
drawChart(makeData()); | |
d3.interval(function(){drawChart(makeData())}, 1000); | |
function drawChart(data){ | |
// labels | |
svg.selectAll(".line-label") | |
.data(data, function(d){ return d.id; }) | |
.enter().append("text") | |
.attr("class", "line-label") | |
.attr("x", -5) | |
.attr("y", function(d) { return y_wrapper(d.id) + y_wrapper.bandwidth() - 3; }) | |
.text(function(d){ return d.id; }); | |
// baselines | |
svg.selectAll(".baseline") | |
.data(data, function(d){ return d.id; }) | |
.enter().append("line") | |
.attr("class", "baseline") | |
.attr("x1", 0) | |
.attr("x2", width) | |
.attr("y1", function(d) { return y_wrapper(d.id) + y_wrapper.bandwidth(); }) | |
.attr("y2", function(d) { return y_wrapper(d.id) + y_wrapper.bandwidth(); }); | |
// JOIN | |
var area_path = svg.selectAll(".area") | |
.data(data, function(d){ return d.id; }); | |
// UDATE | |
area_path | |
.transition() | |
.attr("d", function(d){ return area(d.data); }); | |
// ENTER | |
area_path.enter().append("path") | |
.attr("class", "area") | |
.attr("transform", function(d) { return "translate(0, " + (y_wrapper(d.id) - 1.5) + ")"; }) | |
.attr("d", function(d){ return area(d.data); }); | |
} | |
function makeData(){ | |
return alpha.map(function(letter){ | |
var arr = []; | |
for (var i = 0; i <= 100; i++){ | |
arr.push({day: i, value: jz.num.randBetween(10, 90)}) | |
} | |
return { | |
id: letter, | |
data: arr | |
} | |
}); | |
} | |
</script> | |
</body> | |
</html> |
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