perlin_noise2.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>sum of perlin noises</title>
    <script type="text/javascript" src="perlin_noise.js"></script>
    <script type="text/javascript" src="perlin_noise_graph2.js"></script>
  </head>
  <body>
    <canvas id="graph" width="480" height="320"></canvas>
    <div>
      <button id="updateButton">repaint</button>
    </div>
  </body>
</html>