WWSD #5: SVG Paths

Working with spatial data

Example #5

Working with SVG Paths

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    svg { width:100%; height: 100% }
  </style>
</head>

<body>
  <svg>
    <path fill="none" stroke="#111" 
      d="M150,100 L229,100 L150,200 L150,150 L100,100">
    </path>
  </svg>
  <script>
    // Feel free to change or delete any of the code you see!
    var svg = d3.select("svg")
    svg.append("path")
      .attr({
        stroke: "#0f2399",
        "stroke-width": 4,
        fill:"#72e3dd",
        d: "M" + [350,100] 
         + "L" + [802,100] 
         + "L" + [400,200] 
         + "L" + [400,140] 
         + "L" + [350,100]
      })
    
    var data = [{x: 150, y:300}, {x: 801, y: 300}, {x: 400, y: 400}, 
                {x: 400, y: 354}, {x: 350, y: 381}];
    
    var lineGenerator = d3.svg.line()
    .x(function(d) { return d.x })
    .y(function(d) { return d.y })
    .interpolate("linear-closed")
    //.interpolate("cardinal-closed")
    //.interpolate("basis")
    
    console.log("line generated path", lineGenerator(data))
    svg.append("path")
    .attr({
      stroke: "#f00",
      "stroke-width": 2,
      fill: "#cccccc",
      d: lineGenerator(data)
    })
  </script>
</body>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js