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d3forms and superformula
d3forms
d3js superformula
<!DOCTYPE html> <meta charset="utf-8"> <title>Superformula</title> <style> path { stroke-width: 1.5px; stroke: #666; fill: #ddd; } #controls { position: absolute; width: 270px; font: 8px sans-serif; } #controls span, #controls label { position: relative; top: -5px; padding: 5px; display: inline-block; width: 8px; } #controls button { font: 10px sans-serif; padding: 5px; width: 70px; } </style> <div id="controls"></div> <script src="https://d3js.org/d3.v4.min.js"></script> <script src="superformula.js"></script> <script src="index.js"></script>
https://d3js.org/d3.v4.min.js