TBC
A circle is subtracted from an identical one. An outline is still visible because of the tolerance introduced by the BLUR
parameter. If BLUR
is set to zero, the shape is not rendered.
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<html>
<head>
<meta charset="utf-8">
<meta name="description" content="Distance fields (corner case)" />
<title>Distance fields (corner case)</title>
<link rel="stylesheet" href="index.css">
<script src="https://d3js.org/d3.v3.min.js"></script>
</head>
<body>
<canvas id="left" width="480" height="500"></canvas>
<canvas id="right" width="480" height="500"></canvas>
<script src="index.js"></script>
</body>
</html>
Modified http://d3js.org/d3.v3.min.js to a secure url
https://d3js.org/d3.v3.min.js