torta.js

var w = 1160,
    h = 700,
    radius = Math.min(w, h) / 2;

var color = d3.scale.ordinal()
    .range(["#DF9496","#A2ADBC","#F4F3EE", "#D9E2E1", "#2BBBD8","#D0E8F4"]);

	//.range(["#3366CC","#F5F6CE","#F2F2F2","#00BFFF","#3366CC","#FF3300", "#CCFF33"]);

	
var arc = d3.svg.arc()
    .outerRadius(radius - 10)
    .innerRadius(150);

var pie = d3.layout.pie()
    .sort(null)
    .value(function(d) { return d.amount; });

var svg = d3.select("body").append("svg")
    .attr("width", w)
    .attr("height", h)
  .append("g")
    .attr("transform", "translate(" + w / 2 + "," + h / 2 + ")");

d3.csv("pokemonByType.csv", function(error, data) {

  data.forEach(function(d) {
    d.amount = +d.amount;
  });

  var g = svg.selectAll(".arc")
      .data(pie(data))
    .enter().append("g")
      .attr("class", "arc");

  g.append("path")
      .attr("d", arc)
      .style("fill", function(d) { return color(d.data.type); });

  g.append("text")
      .attr("transform", function(d) { return "translate(" + arc.centroid(d) + ")"; })
      .attr("dy", ".60em")
      .style("text-anchor", "middle")
      .text(function(d) { return d.data.type; });

});