flatten-js
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Javascript library for 2d geometry
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<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 href="Flatten.Arc.html">Arc</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Arc.html#breakToFunctional">breakToFunctional</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Arc.html#chordHeight">chordHeight</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Arc.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="Flatten.Box.html">Box</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Box.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="Flatten.Box.html#equal_to">equal_to</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Box.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="Flatten.Box.html#less_than">less_than</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Box.html#merge">merge</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Box.html#not_intersect">not_intersect</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Box.html#set">set</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Box.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="Flatten.Circle.html">Circle</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Circle.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="Flatten.Circle.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="Flatten.Circle.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="Flatten.Circle.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="Flatten.Circle.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="Flatten.Circle.html#toArc">toArc</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Circle.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="Flatten.Edge.html">Edge</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Edge.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="Flatten.Edge.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="Flatten.Edge.html#setInclusion">setInclusion</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Edge.html#setOverlap">setOverlap</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="Flatten.Face.html">Face</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Face.html#append">append</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Face.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="Flatten.Face.html#insert">insert</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Face.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="Flatten.Face.html#isSimple">isSimple</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Face.html#orientation">orientation</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Face.html#remove">remove</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Face.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="Flatten.Face.html#setArcLength">setArcLength</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Face.html#signedArea">signedArea</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Face.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="Flatten.Image.html">Image</a></span></li><li class="nav-heading"><span class="nav-item-type type-class">C</span><span class="nav-item-name"><a href="Flatten.Line.html">Line</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Line.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="Flatten.Line.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="Flatten.Line.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="Flatten.Line.html#incidentTo">incidentTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Line.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="Flatten.Line.html#parallelTo">parallelTo</a></span></li><li class="nav-item"><span class="nav-item-type type-function">F</span><span class="nav-item-name"><a href="Flatten.Line.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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="Flatten.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#DP_TOL">DP_TOL</a></span></li>
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<h1 class="page-title">classes/box.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* Created by Alex Bol on 3/7/2017.
*/
"use strict";
module.exports = function(Flatten) {
/**
* Class Box represent bounding box of the shape
* @type {Box}
*/
Flatten.Box = class Box {
/**
*
* @param {number} xmin - minimal x coordinate
* @param {number} ymin - minimal y coordinate
* @param {number} xmax - maximal x coordinate
* @param {number} ymax - maximal y coordinate
*/
constructor(xmin=undefined, ymin=undefined, xmax=undefined, ymax=undefined) {
/**
* Minimal x coordinate
* @type {number}
*/
this.xmin = xmin;
/**
* Minimal y coordinate
* @type {number}
*/
this.ymin = ymin;
/**
* Maximal x coordinate
* @type {number}
*/
this.xmax = xmax;
/**
* Maximal y coordinate
* @type {number}
*/
this.ymax = ymax;
}
/**
* Clones and returns new instance of box
* @returns {Box}
*/
clone() {
return new Box(this.xmin, this.ymin, this.xmax, this.ymax);
}
/**
* Property low need for interval tree interface
* @returns {Point}
*/
get low() {
return new Flatten.Point(this.xmin, this.ymin);
}
/**
* Property high need for interval tree interface
* @returns {Point}
*/
get high() {
return new Flatten.Point(this.xmax, this.ymax);
}
/**
* Property max returns the box itself !
* @returns {Box}
*/
get max() {
return this.clone();
}
/**
* Return center of the box
* @returns {Point}
*/
get center() {
return new Flatten.Point( (this.xmin + this.xmax)/2, (this.ymin + this.ymax)/2 );
}
/**
* Returns true if not intersected with other box
* @param {Box} other_box - other box to test
* @returns {boolean}
*/
not_intersect(other_box) {
return (
this.xmax < other_box.xmin ||
this.xmin > other_box.xmax ||
this.ymax < other_box.ymin ||
this.ymin > other_box.ymax
);
}
/**
* Returns true if intersected with other box
* @param {Box} other_box - Query box
* @returns {boolean}
*/
intersect(other_box) {
return !this.not_intersect(other_box);
}
/**
* Returns new box merged with other box
* @param {Box} other_box - Other box to merge with
* @returns {Box}
*/
merge(other_box) {
return new Box(
this.xmin === undefined ? other_box.xmin : Math.min(this.xmin, other_box.xmin),
this.ymin === undefined ? other_box.ymin : Math.min(this.ymin, other_box.ymin),
this.xmax === undefined ? other_box.xmax : Math.max(this.xmax, other_box.xmax),
this.ymax === undefined ? other_box.ymax : Math.max(this.ymax, other_box.ymax)
);
}
/**
* Defines predicate "less than" between two boxes. Need for interval index
* @param {Box} other_box - other box
* @returns {boolean} - true if this box less than other box, false otherwise
*/
less_than(other_box) {
if (this.low.lessThan(other_box.low))
return true;
if (this.low.equalTo(other_box.low) && this.high.lessThan(other_box.high))
return true;
return false;
}
/**
* Returns true if this box is equal to other box, false otherwise
* @param {Box} other_box - query box
* @returns {boolean}
*/
equal_to(other_box) {
return (this.low.equalTo(other_box.low) && this.high.equalTo(other_box.high));
}
output() {
return this.clone();
}
maximal_val(box1, box2) {
// return pt1.lessThan(pt2) ? pt2.clone() : pt1.clone();
return box1.merge(box2);
}
val_less_than(pt1, pt2) {
return pt1.lessThan(pt2);
}
/**
* Set new values to the box object
* @param {number} xmin - miminal x coordinate
* @param {number} ymin - minimal y coordinate
* @param {number} xmax - maximal x coordinate
* @param {number} ymax - maximal y coordinate
*/
set(xmin, ymin, xmax, ymax) {
this.xmin = xmin;
this.ymin = ymin;
this.xmax = xmax;
this.ymax = ymax;
}
/**
* Return string to draw circle in svg
* @param {Object} attrs - an object with attributes of svg rectangle element,
* like "stroke", "strokeWidth", "fill" <br/>
* Defaults are stroke:"black", strokeWidth:"1", fill:"none"
* @returns {string}
*/
svg(attrs = {}) {
let {stroke, strokeWidth, fill, id, className} = attrs;
// let rest_str = Object.keys(rest).reduce( (acc, key) => acc += ` ${key}="${rest[key]}"`, "");
let id_str = (id && id.length > 0) ? `id="${id}"` : "";
let class_str = (className && className.length > 0) ? `class="${className}"` : "";
let width = this.xmax - this.xmin;
let height = this.ymax - this.ymin;
return `\n<rect x="${this.xmin}" y="${this.ymin}" width=${width} height=${height} stroke="${stroke || "black"}" stroke-width="${strokeWidth || 1}" fill="${fill || "none"}" ${id_str} ${class_str} />`;
};
};
/**
* Shortcut to create new circle
* @param args
* @returns {Box}
*/
Flatten.box = (...args) => new Flatten.Box(...args);
};
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