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@erizhang
Last active August 29, 2015 14:02
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d3js StackedBar
build waiting duration
001 3 5
002 6 6
003 13 12
005 7 2
006 5 10
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
margin: auto;
position: relative;
width: 960px;
}
text {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
form {
position: absolute;
right: 10px;
top: 10px;
}
</style>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
d3.csv("build.csv", function(data) {
var m = 30;
draw(remap(m, data), m);
});
function remap(m, data) {
var waiting = [];
var duration = [];
var remapped = [];
for (i in data) {
if (i >= m)
break;
waiting.push({
"x": i,
"y": parseInt(data[i].waiting)
});
duration.push({
"x": i,
"y": parseInt(data[i].duration)
});
}
remapped[0] = waiting;
remapped[1] = duration;
return remapped;
}
function draw(data, m) {
var n = 2; // number of layers
var stack = d3.layout.stack();
layers = stack(data),
yStackMax = d3.max(layers, function(layer) {
return d3.max(layer, function(d) {
var b = d.y0 + d.y;
console.log(b)
return b;
});
});
var margin = {
top: 40,
right: 10,
bottom: 20,
left: 10
},
width = 960 - margin.left - margin.right,
height = 200 - margin.top - margin.bottom;
var x = d3.scale.ordinal()
.domain(d3.range(m))
.rangeRoundBands([0, width], .08);
var y = d3.scale.linear()
.domain([0, yStackMax])
.range([height, 0]);
var scale = d3.scale.linear()
.domain([0, yStackMax])
.range([0, height]);
var color = d3.scale.linear()
.domain([0, n - 1])
.range(["#aad", "#556"]);
var xAxis = d3.svg.axis()
.scale(x)
.tickSize(0)
.tickPadding(6)
.orient("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 layer = svg.selectAll(".layer")
.data(layers)
.enter().append("g")
.attr("class", "layer")
.style("fill", function(d, i) {
return color(i);
});
var rect = layer.selectAll("rect")
.data(function(d) {
return d;
})
.enter().append("rect")
.attr("x", function(d) {
return x(d.x);
})
.attr("y", height)
.attr("width", x.rangeBand())
.attr("height", 0);
rect.transition()
.delay(function(d, i) {
return i * 20;
})
.attr("y", function(d) {
return y(d.y0 + d.y);
})
.attr("height", function(d) {
return scale(d.y);
});
// Draw X axis
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
}
</script>
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