d3 바차트 프로토타이핑
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var data = [ | |
{l:"개인", v:55, t:1}, | |
{l:"기관", v:343, t:2}, | |
{l:"외인", v:332, t:1} | |
]; | |
var margin = {top: 20, right: 20, bottom: 30, left: 40}; | |
var w = 500; | |
var h = 80 - margin.bottom - margin.top; | |
var barWidth = w / data.length; | |
var canvas = d3.select("body") | |
.append('svg') | |
.attr('class', 'chart') | |
.attr('width', w) | |
.attr('height', h + margin.top + margin.bottom); | |
function getColor(t) { | |
return {1:"#f11",2:"#28f"}[t] || "#ddd"; | |
} | |
var color = d3.scale.ordinal().range(["#f11", "#f99", "#ddd", "#9cf", "#28f"]); | |
var x = d3.scale.ordinal().rangeRoundBands([0, w], 0.4); | |
var y = d3.scale.linear().range([h, 0]); | |
x.domain(data.map(function(d) { return d.l; })); | |
y.domain([0, d3.max(data, function(d) { return d.v; })]); | |
var xAxis = d3.svg.axis() | |
.scale(x) | |
.orient("bottom"); | |
var bar = canvas.selectAll("g") | |
.data(data) | |
.enter().append("g") | |
.attr("transform", function(d) { return "translate(" + x(d.l) + ",0)"; }); | |
canvas.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + (h + margin.top) + ")") | |
.call(xAxis); | |
bar.append("rect") | |
.style("fill", function(d) { return getColor(d.t); }) | |
.attr("y", h + margin.top) | |
.attr("height", 0) | |
.attr("width", x.rangeBand()) | |
.transition().duration(1000) | |
.attr("height", function(d) { | |
return h - y(Math.abs(d.v)); | |
}) | |
.attr("y", function(d) { | |
return y(Math.abs(d.v)) + margin.top; | |
}); | |
bar.append("text") | |
.attr("x", x.rangeBand() / 2) | |
.attr("y", h + margin.top + 3) | |
.attr("dy", "-.5em") | |
.text(function(d) { return d.v; }) | |
.style({"font-size":"10px", "text-anchor":"middle", "fill":"#ddd"}) | |
.transition().duration(1000) | |
.attr("y", function(d) { | |
return y(Math.abs(d.v)) + 3 + margin.top; | |
}); |
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