D3 Examples - arcsvghelp

xxxxxxxxxx
 
<!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>
​
<body>
  <script>
    
var radii = [25,40];
    
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)
​
  var circles = svg.selectAll("circle")
    .data(radii)
    .enter()
    .append("circle");
    
var arc = d3.arc()
    .outerRadius(radii)
    .startAngle((Math.random() * 180) * (Math.PI/180))
        .endAngle(3);
    
  circles.attr("cx", function(d,i){
    return (i * 80) + 50;
  })
  .attr("cy", 100)
  .attr("r", function(d) { return d })
  .attr("fill","BlanchedAlmond")
        .attr("stroke","Red")
 .append("path")
    .attr("d",arc)
    .attr("fill", "red")
    .attr("transform", "translate(200,200)");
  
    
​
  </script>
</body>
​
    