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D3トルネードチャートにY軸を中心ください..私はトルネードグラフを作成するように依頼してきたは、どのように私はd3.jsする完全な初心者だが、これまでのところ、私は非常に感心してい
これまでのところ、必要に応じてすべての作業がほぼ完了しましたが、クライアントは負のXアクセスをY軸の両側で同じにしたいと考えていますが、現在は最高のデータ値を処理しています。
Yアクセスの両側の長さが同じであることを確認するにはどうすればよいですか？
これは私の作業コードです。これをロードすると、2番目のグラフが非常に片面であることがわかります。
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.bar--positive {
fill: #9BCCF5;
}
.bar--negative {
fill: pink;
}
text {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
</style>
<body>
<p id="example"></p>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script>
function tornadoChart() {
var margin = {top: 20, right: 30, bottom: 40, left: 100},
width = 800 - margin.left - margin.right,
height = 400 - margin.top - margin.bottom;
var x = d3.scale.linear()
.range([0, width]);
var y = d3.scale.ordinal()
.rangeRoundBands([0, height], 0.1);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom")
.ticks(10)
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.tickSize(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 + ")");
function chart(selection) {
selection.each(function(data) {
x.domain(d3.extent(data, function(d) { return d.interactions; })).nice();
y.domain(data.map(function(d) { return d.age; }));
var minInteractions = Math.max.apply(Math, data.map(function(o){return o.interactions;}))*-1;
yAxis.tickPadding(Math.abs(x(minInteractions) - x(0)) + 10);
var bar = svg.selectAll(".bar")
.data(data)
bar.enter().append("rect")
.attr("class", function(d) { return "bar bar--" + (d.interactions < 0 ? "negative" : "positive"); })
.attr("x", function(d) { return x(Math.min(0, d.interactions)); })
.attr("y", function(d) { return y(d.age); })
.attr("width", function(d) { return Math.abs(x(d.interactions) - x(0)); })
.attr("id", function(d){ return d.age})
.attr("style", function(d){ return d.colour == null ? "" : "fill:" + d.colour;})
.attr("height", y.rangeBand())
bar.enter().append('text')
.attr("text-anchor", "end")
.attr("x", function(d,i) {
var titlePlacement = Math.abs(x(d.interactions) - x(0)) + x(Math.min(0, d.interactions))-5;
if(Math.abs(x(d.interactions) - x(0)) < 30 && d.interactions > 0)
titlePlacement += 30;
else if(d.interactions < 0) //Negative placement
{
titlePlacement = x(Math.min(0, d.interactions))-5;
}
return titlePlacement;
})
.attr("y", function(d,i) {
return y(d.age) + (y.rangeBand()/2);
})
.attr("dy", ".35em")
.text(function (d) { return d.interactions; })
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + x(0) + ",0)")
.call(yAxis);
});
}
return chart;
}
var data = {"MyData":[{"age":"18-24","gender":"male","interactions":21600,"colour":"#ecf"},{"age":"18-24","gender":"female","interactions":-15500,"colour":""},{"age":"25-34","gender":"male","interactions":19500,"colour":"#ecf"},{"age":"25-34","gender":"female","interactions":-5000,"colour":"#ecf"},{"age":"35-44","gender":"male","interactions":10700,"colour":""},{"age":"35-44","gender":"female","interactions":-3500,"colour":"#4264FF"},{"age":"45-54","gender":"male","interactions":5700,"colour":"#ecf"},{"age":"45-54","gender":"female","interactions":-2400,"colour":"#ecf"},{"age":"55-64","gender":"male","interactions":2500,"colour":"#ecf"},{"age":"55-64","gender":"female","interactions":-1100,"colour":"#4264FF"},{"age":"65+","gender":"male","interactions":600,"colour":"#4264FF"},{"age":"65+","gender":"female","interactions":-600,"colour":"#ecf"}],"Other":[{"age":"18-24","gender":"male","interactions":21600},{"age":"18-24","gender":"female","interactions":-5500},{"age":"25-34","gender":"male","interactions":19500},{"age":"25-34","gender":"female","interactions":-5000},{"age":"35-44","gender":"male","interactions":10700},{"age":"35-44","gender":"female","interactions":-3500},{"age":"45-54","gender":"male","interactions":5700},{"age":"45-54","gender":"female","interactions":-2400},{"age":"55-64","gender":"male","interactions":2500},{"age":"55-64","gender":"female","interactions":-1100},{"age":"65+","gender":"male","interactions":600},{"age":"65+","gender":"female","interactions":-600}]};
for (var i in data) {
var chart = tornadoChart()
d3.select("#example")
.datum(data[i])
.call(chart);
}
</script>
</body>