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从 d3 v3 转换为 v6 的龙卷风图

[英]Tornado chart converting from d3 v3 to v6

 原文  2021-02-14 17:42:01  0   1    javascript/ d3.js

问题描述

我想尝试将此 Tornado 图表从 D3 v3 转换为 v6，但不确定如何将其转换为 go。

https://bl.ocks.org/lmatteis/d0f7533895da2e59cd6f62f3589fd8eb

一些帮助将是惊人的。 目前，这是与 D3 的 V3 一起运行的。

<!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 = 450 - margin.left - margin.right,
    height = 200 - 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(7)

  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.min.apply(Math, data.map(function(o){return o.interactions;}))
      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("height", y.rangeBand())

      bar.enter().append('text')
          .attr("text-anchor", "middle")
          .attr("x", function(d,i) {
              return x(Math.min(0, d.interactions)) + (Math.abs(x(d.interactions) - x(0)) / 2);
          })
          .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 = {"BMW":[{"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":1600},{"age":"65+","gender":"female","interactions":-600}],"Ford Mustang":[{"age":"18-24","gender":"male","interactions":7600},{"age":"18-24","gender":"female","interactions":-800},{"age":"25-34","gender":"male","interactions":7100},{"age":"25-34","gender":"female","interactions":-900},{"age":"35-44","gender":"male","interactions":5100},{"age":"35-44","gender":"female","interactions":-800},{"age":"45-54","gender":"male","interactions":3500},{"age":"45-54","gender":"female","interactions":-600},{"age":"55-64","gender":"male","interactions":1400},{"age":"55-64","gender":"female","interactions":-300},{"age":"65+","gender":"male","interactions":600},{"age":"65+","gender":"female","interactions":-200}],"Ford Motor Company":[{"age":"25-34","gender":"male","interactions":4300},{"age":"25-34","gender":"female","interactions":-800},{"age":"18-24","gender":"male","interactions":4200},{"age":"18-24","gender":"female","interactions":-700},{"age":"35-44","gender":"male","interactions":3000},{"age":"35-44","gender":"female","interactions":-600},{"age":"45-54","gender":"male","interactions":1800},{"age":"45-54","gender":"female","interactions":-500},{"age":"55-64","gender":"male","interactions":800},{"age":"55-64","gender":"female","interactions":-300},{"age":"65+","gender":"male","interactions":500},{"age":"65+","gender":"female","interactions":-200}]};

for (var i in data) {
  var chart = tornadoChart()
  d3.select("#example")
      .datum(data[i])
      .call(chart);
}

</script>
</body>

1 个解决方案

解决方案1
 1 已采纳  2021-02-15 09:28:32

所需的更新是您的刻度和轴：

  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(7)

  var yAxis = d3.svg.axis()
      .scale(y)
      .orient("left")
      .tickSize(0)

变成：

  var x = d3.scaleLinear()
      .range([0, width]);

  var y = d3.scaleBand()
      .rangeRound([0, height])
      .padding(0.1);
      
  var xAxis = d3.axisBottom()
      .scale(x)
      .ticks(7);

  var yAxis = d3.axisLeft()
      .scale(y)
      .tickSize(0)

主要变化是将scaleBand scale.ordinal这导致使用bandwidth替换对rangeBand的引用，例如替换：

.attr("height", y.rangeBand())

和

.attr("height", y.bandwidth())

示例 v6 代码： 

 function tornadoChart() { var margin = {top: 20, right: 30, bottom: 40, left: 100}, width = 450 - margin.left - margin.right, height = 200 - margin.top - margin.bottom; var x = d3.scaleLinear().range([0, width]); var y = d3.scaleBand().rangeRound([0, height]).padding(0.1); var xAxis = d3.axisBottom().scale(x).ticks(7); var yAxis = d3.axisLeft().scale(y).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.min.apply(Math, data.map(function(o){return o.interactions;})) 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("height", y.bandwidth()) bar.enter().append('text').attr("text-anchor", "middle").attr("x", function(d,i) { return x(Math.min(0, d.interactions)) + (Math.abs(x(d.interactions) - x(0)) / 2); }).attr("y", function(d,i) { return y(d.age) + (y.bandwidth() / 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 = {"BMW":[{"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":1600},{"age":"65+","gender":"female","interactions":-600}],"Ford Mustang":[{"age":"18-24","gender":"male","interactions":7600},{"age":"18-24","gender":"female","interactions":-800},{"age":"25-34","gender":"male","interactions":7100},{"age":"25-34","gender":"female","interactions":-900},{"age":"35-44","gender":"male","interactions":5100},{"age":"35-44","gender":"female","interactions":-800},{"age":"45-54","gender":"male","interactions":3500},{"age":"45-54","gender":"female","interactions":-600},{"age":"55-64","gender":"male","interactions":1400},{"age":"55-64","gender":"female","interactions":-300},{"age":"65+","gender":"male","interactions":600},{"age":"65+","gender":"female","interactions":-200}],"Ford Motor Company":[{"age":"25-34","gender":"male","interactions":4300},{"age":"25-34","gender":"female","interactions":-800},{"age":"18-24","gender":"male","interactions":4200},{"age":"18-24","gender":"female","interactions":-700},{"age":"35-44","gender":"male","interactions":3000},{"age":"35-44","gender":"female","interactions":-600},{"age":"45-54","gender":"male","interactions":1800},{"age":"45-54","gender":"female","interactions":-500},{"age":"55-64","gender":"male","interactions":800},{"age":"55-64","gender":"female","interactions":-300},{"age":"65+","gender":"male","interactions":500},{"age":"65+","gender":"female","interactions":-200}]}; for (var i in data) { var chart = tornadoChart() d3.select("#example").datum(data[i]).call(chart); }
 .bar--positive { fill: #9BCCF5; }.bar--negative { fill: pink; } text { font: 10px sans-serif; }.axis path, .axis line { fill: none; stroke: #000; shape-rendering: crispEdges; }
 <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/6.3.1/d3.min.js"></script> <p id="example"></p>

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