Lecture 3 HW - version 0.1

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

var data=d3.csv('stocks.csv',function(error, data){
      var dataset=data;
   	data.forEach(function(d){
        d.price = +d.price;
      })
		
    var color = d3.scaleOrdinal(d3.schemeCategory20);
      
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)
    	.on("click",function(){
      	var opp_hor = (d3.select("rect.horizontal").style("opacity"));
        var opp_ver = (d3.select("rect.vertical").style("opacity"));
        svg.selectAll("rect.horizontal").style("opacity",Math.abs(100-opp_hor));
        svg.selectAll("rect.vertical").style("opacity",Math.abs(100-opp_ver));
        });

svg.selectAll("rect.vertical")
     	.attr("class", "vertical")
      .attr("height", function(d, i) {return x1.bandwidth(); })
      .attr("width", function(d, i) { return y1(d.price); })
      .attr("y", function(d, i) {return x1(d.symbol); })
      .attr("x",  function(d) { return 0 })
      .style("fill", function(d){return color(d.symbol)})
      .style('opacity',0)
    	.on('click', function(d){
      	svg.selectAll("rect.vertical").style('opacity',0);
      	svg.selectAll("rect.horizontal").style('opacity',100)
   		 })
    
    svg.selectAll("rect.horizontal")
    	.attr("class", "horizontal")
	    .attr("width", function(d, i) {return x0.bandwidth(); })
      .attr("height", function(d, i) { return y0(d.price); })
      .attr("x", function(d, i) {return x0(d.symbol); })
      .attr("y",  function(d) { return 400 - y0(d.price); })
    	.style("fill", function(d){return color(d.symbol)})
    	.style('opacity',100)
      
    })

</script>
</body>

https://d3js.org/d3.v4.min.js