<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Treemap Visualization</title>
    <style>
        .rectangle {
            stroke: black;
            stroke-width: 1;
        }
    </style>
</head>
<body>

<svg id="treemap" width="800" height="600"></svg>

<button id="best-size">Best Size</button>
<button id="best-count">Best Count</button>
<button id="square-size">Squarified Size</button>
<button id="square-count">Squarified Count</button>

<script src="https://d3js.org/d3.v7.min.js"></script>
<script src="a04.js"></script>

</body>
</html>

linked with a04