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FrissAnalytics/.block

Last active October 12, 2018 22:11
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animated bar chart with labels
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
font: 12px Lato;
}
.axis path,
.axis line{
fill: none;
stroke: #898989;
shape-rendering: crispEdges;
}
.x.axis {
font-size: 14px;
font-weight: 150;
}
.y.axis {
display: none;
}
svg text.label {
font-weight: 400;
text-anchor: start;
text-align: center;
}
</style>
<body>
<script src="http://d3js.org/d3.v4.min.js"></script>
<script>
var margin = {top: 40, right: 30, bottom: 30, left: 50},
width = 460 - margin.left - margin.right,
height = 320 - margin.top - margin.bottom;
var formatPercent = d3.format(".0%");
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 x = d3.scaleBand()
.range([0, width])
.padding(0.4);
var y = d3.scaleLinear()
.range([height, 0]);
var xAxis = d3.axisBottom(x).tickSize([]).tickPadding(10);
var yAxis = d3.axisLeft(y).tickFormat(formatPercent);
var dataset = [{"year":"2015", "value": .77},
{"year":"2016", "value": .88},
{"year":"2017", "value": .95},
{"year":"2018", "value": .98}];
x.domain(dataset.map(function(d) { return d.year; }));
y.domain([0, d3.max(dataset, function(d) { return d.value; })]);
svg.append("g")
.attr("class", "x axis")
.style("stroke", "#898989")
.style("fill-opacity", .9)
.style("stroke-width", ".7")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class","y axis")
.attr("class","y axis")
.call(yAxis);
// svg.append("text")
// .attr("transform", "rotate(-90)")
// .attr("y", 0 - margin.left)
// .attr("x",0 - (height / 2))
// .attr("dy", "1em")
// .attr("fill","#898989")
// .style("text-anchor", "middle")
// .text("% Districts Meeting 100 kbps/student");
svg.selectAll(".bar")
.data(dataset)
.enter().append("rect")
.attr("class", "bar")
.style("display", function(d) { return d.value === null ? "none" : null; })
.style("fill", function(d){
if (d.year == "2018") {
return "#f26c23";
} else {
return "#fbdbca";
}})
.attr("x", function(d) { return x(d.year); })
.attr("width", x.bandwidth())
.attr("y", function(d) { return height; })
.attr("height", 0)
.transition()
.duration(600)
.delay(function (d, i) {
return i * 150;
})
.attr("y", function(d) { return y(d.value); })
.attr("height", function(d) { return height - y(d.value); });
svg.selectAll(".label")
.data(dataset)
.enter()
.append("text")
.attr("class","label")
.style("display", function(d) { return d.value === null ? "none" : null; })
.attr("x", (function(d) {
return x(d.year) + (x.bandwidth() / 2) -8 ;
}))
.style("fill", function(d){
if (d.year == "2018") {
return "#f26c23";
} else {
return "#898989";
}})
.style("font", function(d){
if (d.year == "2018") {
return "16px Lato";
}})
.attr("y", function(d) { return height; })
.attr("height", 0)
.transition()
.duration(600)
.delay(function (d, i) {
return i * 150;
})
.text(function(d) { return formatPercent(d.value); })
.attr("y", function(d) { return y(d.value) + .1; })
.attr("dy", "-.7em");
</script>
</body>
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