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<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="utf-8" />
<link href="stylesheet.css" rel="stylesheet" />
<title>Numeric Elements – Software Development and Research in Applied Mathematics</title>
<link href="https://fonts.googleapis.com/css?family=Open+Sans:300,300i,400,400i,600,600i,700,800,800i" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=PT+Serif:400,400i,700,700i" rel="stylesheet">
</head>
<body>
<h1><center>NUMERIC ELEMENTS</center></h1>
<h3><center>Software Development and Research in Applied Mathematics</center></h3>
<p style="margin-bottom:2.0cm;"> </p>
<h2><center> Control over the oscillations of a curve </center> </h2>
<p> <b>An interactive demonstration </b> </p>
<p> <li> Move the B-spline control points to navigate in a curve space with an upper limit on the number of <a href="https://en.wikipedia.org/wiki/Vertex_(curve)" target="_blank" rel="noopener"> curvature extrema</a> and <a href="https://en.wikipedia.org/wiki/Inflection_point" target="_blank" rel="noopener"> inflections</a>.</li>
<li> Disable the <b>controls</b> as needed to introduce oscillations. </li>
<li> <img src="InsertKnotButton.png" width="30"> : Add more control points around a selected one to add flexibility and degrees of freedom to the curve. </li>
</p>
<p style="margin-bottom:1cm;"> </p>
<p style="margin-bottom:0.5cm;"> </p>
<div class = "row">
<div class = "column">
<!-- Rounded switch - curvature extrema -->
<center> <p> <small> <b>Control of curvature extrema </b> </small> </p> <label class="switch">
<input type="checkbox" checked id="toggleButtonCurvatureExtrema">
<span class="slider round"></span>
</label></center>
<!-- Rounded switch - inflexions -->
<center> <p> <small> <b>Control of inflexions </b> </small> </p> <label class="switch">
<input type="checkbox" checked id="toggleButtonInflections">
<span class="slider round"></span>
</label></center>
<!-- Rounded switch - sliding mechanism -->
<center> <p> <small> <b>sliding mechanism </b> </small> </p> <label class="switch">
<input type="checkbox" checked id="toggleButtonSliding">
<span class="slider round"></span>
</label></center>
<p style="margin-bottom:0.5cm;"> </p>
<canvas id="chartjsFunctionA"></canvas>
<canvas id="chartjsFunctionB"></canvas>
</div>
<div class = "column">
<canvas id="webgl" width="600" height="600">
Please use a browser that supports "canvas"
</canvas>
</div>
</div>
<script src="dist/bundle.js"></script>
<p style="margin-bottom:1cm;"> </p>
<!--
<p><center> <a href="about.html"> Author </a>       <a href="closed-curve/index.html"> Closed Curve </a> </center> </p>
-->
<p style="margin-bottom:1cm;"> </p>
<div id="footer" style="margin-bottom:1cm; color:rgb(100, 100, 100); font-size: 80%;">
<center> © 2018-2020 </center>
</div>
</body>
</html>