D3 Examples - Grouped bar chart v4_david

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
.axis text {
  font: 10px sans-serif;
}
​
.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
​
.x.axis path {
  display: none;
}
  
  .button1{
    display:inline-block;
  }
​
</style>
<body>
  <br />
  <div class="button1">
    <button class="button" id="transition1">Transition 1</button>
  </div>
  <div class="button1">
    <button class="button" id="transition2">Transition 2</button>
  </div>
    <div class="button1">
    <button class="button" id="transition3">Transition 3</button>
  </div>
  <br />
<script src="//d3js.org/d3.v4.min.js"></script>
<script>
​
// Source: https://bl.ocks.org/mbostock/3887051
var n = 10, // number of samples
    m = 5; // number of series
​
var data = d3.range(m).map(function() { 
  return d3.range(n).map(Math.random); 
});
​
var margin = {top: 20, right: 30, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
​
var y = d3.scaleLinear()
    .domain([0, 1])
    .range([height, 0]);
  
var y2 = d3.scaleLinear()
    .domain([0, m])
    .rangeRound([height, 0])
        .nice();
​
var x0 = d3.scaleBand()
    .domain(d3.range(n))
    .range([0, width], .2);
​
  
var x1 = d3.scaleBand()
    .domain(d3.range(m))
    .range([0, x0.bandwidth() - 10]);
​
var x3 =5*x1.bandwidth();
​
var diff = [0,0,0,0,0,0,0,0,0,0]; 
  
​
var z = d3.scaleOrdinal()
    .range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
​
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 + ")");
​
svg.append("g").selectAll("g")
    .data(data)
    .enter().append("g")
        .attr("class","transition")
    .style("fill", function(d, i) { return z(i); })
    .attr("transform", function(d, i) { return "translate(" + x1(i) + ",0)"; })
  .selectAll("rect")
    .data(function(d) { return d; })
  .enter().append("rect")
        .attr("class","transitionr")
    .attr("width", x1.bandwidth())
    .attr("height", function(d, i) { return y(d); })
    .attr("x", function(d, i) { return x0(i); })
    .attr("y", function(d) { return height - y(d); });
  
var transition1=d3.select("#transition1")
transition1.on("click", function() {
         console.log("test1 ");
       console.log(data);
       d3.selectAll(".transitionr")
      .transition().duration(1000).style("opacity",0.8)
      .attr("height", function(d, i) { return (y(d)/5); });
            
var transition2=d3.select("#transition2")
transition2.on("click", function() {
         d3.selectAll(".transition")
        .data(d3.stack().keys(d3.range(n))(data))   
    .selectAll(".transitionr")
    .transition().duration(1000)
    .attr("y", function(d, i) { 
         console.log(i);
         diff[i]=diff[i]+y(d)/5;
         console.log(diff[i]);
         return (height - diff[i]);
         }
         );
});
  
 var transition3=d3.select("#transition3")
transition3.on("click", function() {
         console.log("test3 ");
       console.log(data);
  d3.selectAll(".transition")
    .transition().duration(1000).style("opacity",1)
    .attr("transform", function(d, i) { return "translate(0,0)"; });
  d3.selectAll(".transitionr")
    .transition().duration(1000).style("opacity",1)
    .attr("width", 5*x1.bandwidth());
});
  
            
       
       
        /*
       if (clicked !==d){
       d3.selectAll(".symbol")
       .filter(function(e){return e.species !== d})
       .transition().duration(500).style("opacity", "0");
       clicked=d;
       }
                else {
          clicked=null;
        }*/
  
        });
​
</script>
​
    