American Chess - Interactive

Bar Chart: Top 10 Countries Transfered Chess Players Origional From

Description: This dataset is can be consider as a subset of the story [American Chess Is Great Again: A wealthy patron and a trio of grandmasters are coming for Bobby Fischer’s legacy] from 538. Chess players change nationality, with great talents all around the world came to the U.S it supports the opinion the American chess will have a bright future.

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Highlighting is used in this visualization. Hover on the bar, opacity will change from 0.75 to 1.0.

Forked From: d3noob’s Block

forked from connieGao0819's block: American Chess

<!DOCTYPE html>
<meta charset="utf-8">
<style> /* set the CSS */

.bar { fill: steelblue; }

</style>
<body>
	
    	
<script src="//d3js.org/d3.v4.min.js"></script>
<script>

function increaseOpacity(idName) {
    d3.selectAll("#" + idName).style("opacity", 1.0);
}

function decreaseOpacity(idName) {
    d3.selectAll("#" + idName).style("opacity", 0.75);
}

// set the dimensions and margins of the graph
var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

// set the ranges
var x = d3.scaleBand()
          .range([0, width])
          .padding(0.1);
var y = d3.scaleLinear()
          .range([height, 0]);
          
// append the svg object to the body of the page
// append a 'group' element to 'svg'
// moves the 'group' element to the top left margin
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 + ")");

// get the data
d3.csv("country_count.csv", function(error, data) {
  if (error) throw error;

// format the data
  data.forEach(function(d) {
    d.count = +d.count;
  });

// Scale the range of the data in the domains
  x.domain(data.map(function(d) { return d.country; }));
  y.domain([0, d3.max(data, function(d) { return d.count; })]);

// append the rectangles for the bar chart
  svg.selectAll(".bar")
      .data(data)
    .enter().append("rect")
      .style("opacity", 0.75)
      .style("cursor", "pointer")
      .attr("class", "bar")
      .attr("id", function(d) { return d.country; })
      .attr("x", function(d) { return x(d.country); })
      .attr("width", x.bandwidth())
      .attr("y", function(d) { return y(d.count); })
      .attr("height", function(d) { return height - y(d.count); })
      .on("mouseover", function (d){
        // console.log(this.id); 
        increaseOpacity(this.id);
      })
      .on("mouseout", function (d) {
        decreaseOpacity(this.id);
      });

// add the x Axis
  svg.append("g")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.axisBottom(x));

// add the y Axis
  svg.append("g")
      .call(d3.axisLeft(y));

});

</script>
</body>

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