flatten-js

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width,initial-scale=1"> <title>Face - Documentation</title> <script src="scripts/prettify/prettify.js"></script> <script src="scripts/prettify/lang-css.js"></script>  <link type="text/css" rel="stylesheet" href="https://code.ionicframework.com/ionicons/2.0.1/css/ionicons.min.css"> <link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css"> <link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css"> </head> <body> <input type="checkbox" id="nav-trigger" class="nav-trigger" /> <label for="nav-trigger" class="navicon-button x"> <div class="navicon"></div> </label> <label for="nav-trigger" class="overlay"></label> <nav> <li class="nav-link nav-home-link"><a href="index.html">Home</a></li><li class="nav-heading">Classes</li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a 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href="Line.html#toJSON">toJSON</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="Matrix.html">Matrix</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Matrix.html#clone">clone</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Matrix.html#equalTo">equalTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Matrix.html#multiply">multiply</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Matrix.html#rotate">rotate</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Matrix.html#scale">scale</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Matrix.html#transform">transform</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Matrix.html#translate">translate</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="module.exports.html">exports</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="PlanarSet.html">PlanarSet</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="PlanarSet.html#add">add</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="PlanarSet.html#clear">clear</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="PlanarSet.html#delete">delete</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="PlanarSet.html#hit">hit</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="PlanarSet.html#search">search</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="PlanarSet.html#svg">svg</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="Point.html">Point</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#clone">clone</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#distanceTo">distanceTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#equalTo">equalTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#leftTo">leftTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#lessThan">lessThan</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#on">on</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#projectionOn">projectionOn</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#rotate">rotate</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#svg">svg</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#toJSON">toJSON</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#transform">transform</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Point.html#translate">translate</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="Polygon.html">Polygon</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#addFace">addFace</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#addVertex">addVertex</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#area">area</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#clone">clone</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#contains">contains</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#deleteFace">deleteFace</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#distanceTo">distanceTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#intersect">intersect</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#isEmpty">isEmpty</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#isValid">isValid</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#removeChain">removeChain</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#rotate">rotate</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#svg">svg</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#toJSON">toJSON</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#transform">transform</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Polygon.html#translate">translate</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="Ray.html">Ray</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Ray.html#clone">clone</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Ray.html#intersect">intersect</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="Segment.html">Segment</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#clone">clone</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#contains">contains</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#distanceTo">distanceTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#equalTo">equalTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#intersect">intersect</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#isZeroLength">isZeroLength</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#middle">middle</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#reverse">reverse</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#rotate">rotate</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#split">split</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#svg">svg</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#tangentInEnd">tangentInEnd</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#tangentInStart">tangentInStart</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#toJSON">toJSON</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#transform">transform</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Segment.html#translate">translate</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="Vector.html">Vector</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#add">add</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#angleTo">angleTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#clone">clone</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#cross">cross</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#dot">dot</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#equalTo">equalTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#invert">invert</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#multiply">multiply</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#normalize">normalize</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#projectionOn">projectionOn</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#rotate">rotate</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#rotate90CCW">rotate90CCW</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#rotate90CW">rotate90CW</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#subtract">subtract</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Vector.html#toJSON">toJSON</a></span></li><li class="nav-heading"><a href="global.html">Globals</a></li><li class="nav-item"><span class="nav-item-type type-member">M</span><span class="nav-item-name"><a href="global.html#arc">arc</a></span></li><li class="nav-item"><span class="nav-item-type type-member">M</span><span class="nav-item-name"><a href="global.html#box">box</a></span></li><li class="nav-item"><span class="nav-item-type type-member">M</span><span class="nav-item-name"><a href="global.html#circle">circle</a></span></li><li class="nav-item"><span class="nav-item-type type-member">M</span><span class="nav-item-name"><a href="global.html#DP_TOL">DP_TOL</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="global.html#EQ">EQ</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="global.html#EQ_0">EQ_0</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="global.html#GE">GE</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="global.html#GT">GT</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="global.html#LE">LE</a></span></li><li class="nav-item"><span class="nav-item-type type-member">M</span><span class="nav-item-name"><a href="global.html#line">line</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="global.html#LT">LT</a></span></li><li class="nav-item"><span class="nav-item-type type-member">M</span><span class="nav-item-name"><a href="global.html#matrix">matrix</a></span></li><li class="nav-item"><span class="nav-item-type type-member">M</span><span class="nav-item-name"><a href="global.html#point">point</a></span></li><li class="nav-item"><span class="nav-item-type type-member">M</span><span class="nav-item-name"><a href="global.html#segment">segment</a></span></li><li class="nav-item"><span class="nav-item-type type-member">M</span><span class="nav-item-name"><a href="global.html#vector">vector</a></span></li> </nav> <div id="main"> <h1 class="page-title">Face</h1> <section> <header> <h2> Face </h2> <div class="class-description">Class representing a face (closed loop) in a polygon object. Face is a circular bidirectional linked list of edges. Face object cannot be instantiated with a constructor. Instead, use polygon.addFace() method. <br/> Note, that face only set entry point to the linked list of edges but does not contain edges by itself. Container of edges is a property of the polygon object. <br/></div> </header> <article> <div class="container-overview"> <div class="section-method"> <h2>Constructor</h2> <h4 class="name" id="Face"><span class="type-signature"></span>new Face<span class="signature">()</span><span class="type-signature"></span></h4> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line32">line 32</a> </li></ul></dd> </dl> <div class="section-examples"> <h5>Example</h5> <pre class="prettyprint"><code>// Face implements "next" iterator which enables to iterate edges in for loop: for (let edge of face) { console.log(edge.shape.length) // do something } // Instead, it is possible to iterate edges as linked list, starting from face.first: let edge = face.first; do { console.log(edge.shape.length); // do something edge = edge.next; } while (edge != face.first)</code></pre> </div> </div> </div> <h3 class="subsection-title">Members</h3> <div class="section-members"> <h4 class="name" id="box"><span class="type-signature"></span>box<span class="type-signature"></span></h4> <div class="description"> Return bounding box of the face </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line178">line 178</a> </li></ul></dd> </dl> </div> <div class="section-members"> <h4 class="name" id="edges"><span class="type-signature"></span>edges<span class="type-signature"></span></h4> <div class="description"> Return array of edges from first to last </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line154">line 154</a> </li></ul></dd> </dl> </div> <div class="section-members"> <h4 class="name" id="first"><span class="type-signature"></span>first<span class="type-signature"></span></h4> <div class="description"> Reference to the first edge in face </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line37">line 37</a> </li></ul></dd> </dl> </div> <div class="section-members"> <h4 class="name" id="last"><span class="type-signature"></span>last<span class="type-signature"></span></h4> <div class="description"> Reference to the last edge in face </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line41">line 41</a> </li></ul></dd> </dl> </div> <div class="section-members"> <h4 class="name" id="size"><span class="type-signature"></span>size<span class="type-signature"></span></h4> <div class="description"> Return number of edges in the face </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line166">line 166</a> </li></ul></dd> </dl> </div> <h3 class="subsection-title">Methods</h3> <div class="section-method"> <h4 class="name" id="append"><span class="type-signature"></span>append<span class="signature">(edges, edge)</span><span class="type-signature"></span></h4> <div class="description"> Append given edge after the last edge (and before the first edge). <br/> This method mutates current object and does not return any value </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line221">line 221</a> </li></ul></dd> </dl> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>edges</code></td> <td class="type"> <span class="param-type"><code><a href="PlanarSet.html">PlanarSet</a></code></span> </td> <td class="description last"> Container of edges </td> </tr> <tr> <td class="name"><code>edge</code></td> <td class="type"> <span class="param-type"><code><a href="Edge.html">Edge</a></code></span> </td> <td class="description last"> Edge to be appended to the linked list </td> </tr> </tbody> </table> </div> <div class="section-method"> <h4 class="name" id="area"><span class="type-signature"></span>area<span class="signature">()</span><span class="type-signature"> → {number}</span></h4> <div class="description"> Returns the absolute value of the area of the face </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line383">line 383</a> </li></ul></dd> </dl> <div class="section-returns"> <h5>Returns:</h5> <dl class="param-type"> <dt> Type: </dt> <dd> <span class="param-type"><code>number</code></span> </dd> </dl> </div> </div> <div class="section-method"> <h4 class="name" id="insert"><span class="type-signature"></span>insert<span class="signature">(edges, newEdge, edgeBefore)</span><span class="type-signature"></span></h4> <div class="description"> Insert edge newEdge into the linked list after the edge edgeBefore <br/> This method mutates current object and does not return any value </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line255">line 255</a> </li></ul></dd> </dl> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>edges</code></td> <td class="type"> <span class="param-type"><code><a href="PlanarSet.html">PlanarSet</a></code></span> </td> <td class="description last"> Container of edges </td> </tr> <tr> <td class="name"><code>newEdge</code></td> <td class="type"> <span class="param-type"><code><a href="Edge.html">Edge</a></code></span> </td> <td class="description last"> Edge to be inserted into linked list </td> </tr> <tr> <td class="name"><code>edgeBefore</code></td> <td class="type"> <span class="param-type"><code><a href="Edge.html">Edge</a></code></span> </td> <td class="description last"> Edge to insert newEdge after it </td> </tr> </tbody> </table> </div> <div class="section-method"> <h4 class="name" id="isEmpty"><span class="type-signature"></span>isEmpty<span class="signature">()</span><span class="type-signature"> → {boolean}</span></h4> <div class="description"> Returns true if face is empty, false otherwise </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line211">line 211</a> </li></ul></dd> </dl> <div class="section-returns"> <h5>Returns:</h5> <dl class="param-type"> <dt> Type: </dt> <dd> <span class="param-type"><code>boolean</code></span> </dd> </dl> </div> </div> <div class="section-method"> <h4 class="name" id="isSimple"><span class="type-signature"></span>isSimple<span class="signature">(edges)</span><span class="type-signature"> → {boolean}</span></h4> <div class="description"> Returns true if face of the polygon is simple (no self-intersection points found) NOTE: this method is incomplete because it doe not exclude touching points Real self intersection inverts orientation of the polygon. But this is also good enough for the demonstration of the idea </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line435">line 435</a> </li></ul></dd> </dl> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>edges</code></td> <td class="type"> <span class="param-type"><code>Edges</code></span> </td> <td class="description last"> reference to polygon.edges to provide search index </td> </tr> </tbody> </table> <div class="section-returns"> <h5>Returns:</h5> <dl class="param-type"> <dt> Type: </dt> <dd> <span class="param-type"><code>boolean</code></span> </dd> </dl> </div> </div> <div class="section-method"> <h4 class="name" id="orientation"><span class="type-signature"></span>orientation<span class="signature">()</span><span class="type-signature"> → {number}</span></h4> <div class="description"> Return face orientation: one of Flatten.ORIENTATION.CCW, Flatten.ORIENTATION.CW, Flatten.ORIENTATION.NOT_ORIENTABLE <br/> According to Green theorem the area of a closed curve may be calculated as double integral, and the sign of the integral will be defined by the direction of the curve. When the integral ("signed area") will be negative, direction is counter clockwise, when positive - clockwise and when it is zero, polygon is not orientable. See <a href="https://mathinsight.org/greens_theorem_find_area">https://mathinsight.org/greens_theorem_find_area</a> </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line413">line 413</a> </li></ul></dd> </dl> <div class="section-returns"> <h5>Returns:</h5> <dl class="param-type"> <dt> Type: </dt> <dd> <span class="param-type"><code>number</code></span> </dd> </dl> </div> </div> <div class="section-method"> <h4 class="name" id="remove"><span class="type-signature"></span>remove<span class="signature">(edges, edge)</span><span class="type-signature"></span></h4> <div class="description"> Remove the given edge from the linked list of the face <br/> This method mutates current object and does not return any value </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line293">line 293</a> </li></ul></dd> </dl> <h5>Parameters:</h5> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>edges</code></td> <td class="type"> <span class="param-type"><code><a href="PlanarSet.html">PlanarSet</a></code></span> </td> <td class="description last"> Container of edges </td> </tr> <tr> <td class="name"><code>edge</code></td> <td class="type"> <span class="param-type"><code><a href="Edge.html">Edge</a></code></span> </td> <td class="description last"> Edge to be removed </td> </tr> </tbody> </table> </div> <div class="section-method"> <h4 class="name" id="reverse"><span class="type-signature"></span>reverse<span class="signature">()</span><span class="type-signature"></span></h4> <div class="description"> Reverse orientation of the face: first edge become last and vice a verse, all edges starts and ends swapped, direction of arcs inverted. </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line318">line 318</a> </li></ul></dd> </dl> </div> <div class="section-method"> <h4 class="name" id="setArcLength"><span class="type-signature"></span>setArcLength<span class="signature">()</span><span class="type-signature"></span></h4> <div class="description"> Set arc_length property for each of the edges in the face. Arc_length of the edge it the arc length from the first edge of the face </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line368">line 368</a> </li></ul></dd> </dl> </div> <div class="section-method"> <h4 class="name" id="signedArea"><span class="type-signature"></span>signedArea<span class="signature">()</span><span class="type-signature"> → {number}</span></h4> <div class="description"> Returns signed area of the simple face. Face is simple if it has no self intersections that change its orientation. Then the area will be positive if the orientation of the face is clockwise, and negative if orientation is counterclockwise. It may be zero if polygon is degenerated. </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line395">line 395</a> </li></ul></dd> </dl> <div class="section-returns"> <h5>Returns:</h5> <dl class="param-type"> <dt> Type: </dt> <dd> <span class="param-type"><code>number</code></span> </dd> </dl> </div> </div> <div class="section-method"> <h4 class="name" id="svg"><span class="type-signature"></span>svg<span class="signature">()</span><span class="type-signature"> → {string}</span></h4> <div class="description"> Returns string to be assigned to "d" attribute inside defined "path" </div> <dl class="details"> <dt class="tag-source">Source:</dt> <dd class="tag-source"><ul class="dummy"><li> <a href="classes_face.js.html">classes/face.js</a>, <a href="classes_face.js.html#line498">line 498</a> </li></ul></dd> </dl> <div class="section-returns"> <h5>Returns:</h5> <dl class="param-type"> <dt> Type: </dt> <dd> <span class="param-type"><code>string</code></span> </dd> </dl> </div> </div> </article> </section> </div> <br class="clear"> <footer> Generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Tue Feb 19 2019 17:24:11 GMT+0200 (Jerusalem Standard Time) using the Minami theme. </footer> <script>prettyPrint();</script> <script src="scripts/linenumber.js"></script> </body> </html>