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删除不必要的冗余文件,上传部分示例数据
2020-06-29 11:14:44 +08:00
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Matrix2 - Cesium Documentation</title>
<!--[if lt IE 9]>
<script src="javascript/html5.js"></script>
<![endif]-->
<link href="styles/jsdoc-default.css" rel="stylesheet">
<link href="styles/prism.css" rel="stylesheet">
</head>
<body>
<div id="main">
<h1 class="page-title">
<a href="index.html"><img src="Images/CesiumLogo.png" class="cesiumLogo"></a>
Matrix2
<div class="titleCenterer"></div>
</h1>
<section>
<header>
</header>
<article>
<div class="container-overview">
<div class="nameContainer">
<h4 class="name" id="Matrix2">
<a href="#Matrix2" class="doc-link"></a>
new Cesium.Matrix2<span class="signature">(<span class="optional">column0Row0</span>, <span class="optional">column1Row0</span>, <span class="optional">column0Row1</span>, <span class="optional">column1Row1</span>)</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L35">Core/Matrix2.js 35</a>
</div>
</h4>
</div>
<div class="description">
A 2x2 matrix, indexable as a column-major order array. Constructor parameters are in row-major order for code readability.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>column0Row0</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
<code class="language-javascript">0.0</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The value for column 0, row 0.</td>
</tr>
<tr>
<td class="name"><code>column1Row0</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
<code class="language-javascript">0.0</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The value for column 1, row 0.</td>
</tr>
<tr>
<td class="name"><code>column0Row1</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
<code class="language-javascript">0.0</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The value for column 0, row 1.</td>
</tr>
<tr>
<td class="name"><code>column1Row1</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
<code class="language-javascript">0.0</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The value for column 1, row 1.</td>
</tr>
</tbody>
</table>
<dl class="details">
<h5>See:</h5>
<ul class="see-list">
<li><a href="Matrix2.html#.fromColumnMajorArray">Matrix2.fromColumnMajorArray</a></li>
<li><a href="Matrix2.html#.fromRowMajorArray">Matrix2.fromRowMajorArray</a></li>
<li><a href="Matrix2.html#.fromScale">Matrix2.fromScale</a></li>
<li><a href="Matrix2.html#.fromUniformScale">Matrix2.fromUniformScale</a></li>
<li><a href="Matrix3.html">Matrix3</a></li>
<li><a href="Matrix4.html">Matrix4</a></li>
</ul>
</dl>
</div>
<h3 class="subsection-title">Members</h3>
<div class="nameContainer">
<h4 class="name" id="length">
<a href="#length" class="doc-link"></a>
length<span class="type-signature"> : Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L829">Core/Matrix2.js 829</a>
</div>
</h4>
</div>
<div class="description">
Gets the number of items in the collection.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".COLUMN0ROW0">
<a href="#.COLUMN0ROW0" class="doc-link"></a>
<span class="type-signature attribute-static">static</span><span class="type-signature attribute-constant">constant</span>Cesium.Matrix2.COLUMN0ROW0<span class="type-signature"> : Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L784">Core/Matrix2.js 784</a>
</div>
</h4>
</div>
<div class="description">
The index into Matrix2 for column 0, row 0.
</div>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">var matrix = new Cesium.Matrix2(); matrix[Cesium.Matrix2.COLUMN0ROW0] = 5.0; // set column 0, row 0 to 5.0</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id=".COLUMN0ROW1">
<a href="#.COLUMN0ROW1" class="doc-link"></a>
<span class="type-signature attribute-static">static</span><span class="type-signature attribute-constant">constant</span>Cesium.Matrix2.COLUMN0ROW1<span class="type-signature"> : Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L796">Core/Matrix2.js 796</a>
</div>
</h4>
</div>
<div class="description">
The index into Matrix2 for column 0, row 1.
</div>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">var matrix = new Cesium.Matrix2(); matrix[Cesium.Matrix2.COLUMN0ROW1] = 5.0; // set column 0, row 1 to 5.0</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id=".COLUMN1ROW0">
<a href="#.COLUMN1ROW0" class="doc-link"></a>
<span class="type-signature attribute-static">static</span><span class="type-signature attribute-constant">constant</span>Cesium.Matrix2.COLUMN1ROW0<span class="type-signature"> : Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L808">Core/Matrix2.js 808</a>
</div>
</h4>
</div>
<div class="description">
The index into Matrix2 for column 1, row 0.
</div>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">var matrix = new Cesium.Matrix2(); matrix[Cesium.Matrix2.COLUMN1ROW0] = 5.0; // set column 1, row 0 to 5.0</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id=".COLUMN1ROW1">
<a href="#.COLUMN1ROW1" class="doc-link"></a>
<span class="type-signature attribute-static">static</span><span class="type-signature attribute-constant">constant</span>Cesium.Matrix2.COLUMN1ROW1<span class="type-signature"> : Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L820">Core/Matrix2.js 820</a>
</div>
</h4>
</div>
<div class="description">
The index into Matrix2 for column 1, row 1.
</div>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">var matrix = new Cesium.Matrix2(); matrix[Cesium.Matrix2.COLUMN1ROW1] = 5.0; // set column 1, row 1 to 5.0</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id=".IDENTITY">
<a href="#.IDENTITY" class="doc-link"></a>
<span class="type-signature attribute-static">static</span><span class="type-signature attribute-constant">constant</span>Cesium.Matrix2.IDENTITY<span class="type-signature"> : <a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L762">Core/Matrix2.js 762</a>
</div>
</h4>
</div>
<div class="description">
An immutable Matrix2 instance initialized to the identity matrix.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".packedLength">
<a href="#.packedLength" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.packedLength<span class="type-signature"> : Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L46">Core/Matrix2.js 46</a>
</div>
</h4>
</div>
<div class="description">
The number of elements used to pack the object into an array.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".ZERO">
<a href="#.ZERO" class="doc-link"></a>
<span class="type-signature attribute-static">static</span><span class="type-signature attribute-constant">constant</span>Cesium.Matrix2.ZERO<span class="type-signature"> : <a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L771">Core/Matrix2.js 771</a>
</div>
</h4>
</div>
<div class="description">
An immutable Matrix2 instance initialized to the zero matrix.
</div>
<dl class="details">
</dl>
<h3 class="subsection-title">Methods</h3>
<div class="nameContainer">
<h4 class="name" id="clone">
<a href="#clone" class="doc-link"></a>
clone<span class="signature">(<span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L842">Core/Matrix2.js 842</a>
</div>
</h4>
</div>
<div class="description">
Duplicates the provided Matrix2 instance.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter or a new Matrix2 instance if one was not provided.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="equals">
<a href="#equals" class="doc-link"></a>
equals<span class="signature">(<span class="optional">right</span>)</span> &rarr; <span class="type-signature returnType">Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L853">Core/Matrix2.js 853</a>
</div>
</h4>
</div>
<div class="description">
Compares this matrix to the provided matrix componentwise and returns <code>true</code> if they are equal, <code>false</code> otherwise.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>right</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The right hand side matrix.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
<code>true</code> if they are equal, <code>false</code> otherwise.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="equalsEpsilon">
<a href="#equalsEpsilon" class="doc-link"></a>
equalsEpsilon<span class="signature">(<span class="optional">right</span>, epsilon)</span> &rarr; <span class="type-signature returnType">Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L866">Core/Matrix2.js 866</a>
</div>
</h4>
</div>
<div class="description">
Compares this matrix to the provided matrix componentwise and returns <code>true</code> if they are within the provided epsilon, <code>false</code> otherwise.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>right</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The right hand side matrix.</td>
</tr>
<tr>
<td class="name"><code>epsilon</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The epsilon to use for equality testing.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
<code>true</code> if they are within the provided epsilon, <code>false</code> otherwise.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id="toString">
<a href="#toString" class="doc-link"></a>
toString<span class="signature">()</span> &rarr; <span class="type-signature returnType">String</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L876">Core/Matrix2.js 876</a>
</div>
</h4>
</div>
<div class="description">
Creates a string representing this Matrix with each row being on a separate line and in the format '(column0, column1)'.
</div>
<h5>Returns:</h5>
<div class="param-desc">
A string representing the provided Matrix with each row being on a separate line and in the format '(column0, column1)'.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".abs">
<a href="#.abs" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.abs<span class="signature">(matrix, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L690">Core/Matrix2.js 690</a>
</div>
</h4>
</div>
<div class="description">
Computes a matrix, which contains the absolute (unsigned) values of the provided matrix's elements.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix with signed elements.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".add">
<a href="#.add" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.add<span class="signature">(left, right, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L527">Core/Matrix2.js 527</a>
</div>
</h4>
</div>
<div class="description">
Computes the sum of two matrices.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>left</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The first matrix.</td>
</tr>
<tr>
<td class="name"><code>right</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The second matrix.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".clone">
<a href="#.clone" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.clone<span class="signature">(matrix, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L106">Core/Matrix2.js 106</a>
</div>
</h4>
</div>
<div class="description">
Duplicates a Matrix2 instance.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix to duplicate.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter or a new Matrix2 instance if one was not provided. (Returns undefined if matrix is undefined)
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".equals">
<a href="#.equals" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.equals<span class="signature">(<span class="optional">left</span>, <span class="optional">right</span>)</span> &rarr; <span class="type-signature returnType">Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L712">Core/Matrix2.js 712</a>
</div>
</h4>
</div>
<div class="description">
Compares the provided matrices componentwise and returns <code>true</code> if they are equal, <code>false</code> otherwise.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>left</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The first matrix.</td>
</tr>
<tr>
<td class="name"><code>right</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The second matrix.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
<code>true</code> if left and right are equal, <code>false</code> otherwise.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".equalsEpsilon">
<a href="#.equalsEpsilon" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.equalsEpsilon<span class="signature">(<span class="optional">left</span>, <span class="optional">right</span>, epsilon)</span> &rarr; <span class="type-signature returnType">Boolean</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L742">Core/Matrix2.js 742</a>
</div>
</h4>
</div>
<div class="description">
Compares the provided matrices componentwise and returns <code>true</code> if they are within the provided epsilon, <code>false</code> otherwise.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>left</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The first matrix.</td>
</tr>
<tr>
<td class="name"><code>right</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The second matrix.</td>
</tr>
<tr>
<td class="name"><code>epsilon</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The epsilon to use for equality testing.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
<code>true</code> if left and right are within the provided epsilon, <code>false</code> otherwise.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".fromArray">
<a href="#.fromArray" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.fromArray<span class="signature">(array, <span class="optional">startingIndex</span>, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L141">Core/Matrix2.js 141</a>
</div>
</h4>
</div>
<div class="description">
Creates a Matrix2 from 4 consecutive elements in an array.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>array</code></td>
<td class="type">
<span class="param-type">Array.&lt;Number></span>
</td>
<td class="default">
</td>
<td class="description last">
The array whose 4 consecutive elements correspond to the positions of the matrix. Assumes column-major order.</td>
</tr>
<tr>
<td class="name"><code>startingIndex</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
<code class="language-javascript">0</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The offset into the array of the first element, which corresponds to first column first row position in the matrix.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="default">
</td>
<td class="description last">
<span class="optional">optional</span>
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter or a new Matrix2 instance if one was not provided.
</div>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">// Create the Matrix2: // [1.0, 2.0] // [1.0, 2.0] var v = [1.0, 1.0, 2.0, 2.0]; var m = Cesium.Matrix2.fromArray(v); // Create same Matrix2 with using an offset into an array var v2 = [0.0, 0.0, 1.0, 1.0, 2.0, 2.0]; var m2 = Cesium.Matrix2.fromArray(v2, 2);</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id=".fromColumnMajorArray">
<a href="#.fromColumnMajorArray" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.fromColumnMajorArray<span class="signature">(values, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L166">Core/Matrix2.js 166</a>
</div>
</h4>
</div>
<div class="description">
Creates a Matrix2 instance from a column-major order array.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>values</code></td>
<td class="type">
<span class="param-type">Array.&lt;Number></span>
</td>
<td class="description last">
The column-major order array.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The object in which the result will be stored, if undefined a new instance will be created.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter, or a new Matrix2 instance if one was not provided.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".fromRotation">
<a href="#.fromRotation" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.fromRotation<span class="signature">(angle, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L273">Core/Matrix2.js 273</a>
</div>
</h4>
</div>
<div class="description">
Creates a rotation matrix.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>angle</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The angle, in radians, of the rotation. Positive angles are counterclockwise.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The object in which the result will be stored, if undefined a new instance will be created.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter, or a new Matrix2 instance if one was not provided.
</div>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">// Rotate a point 45 degrees counterclockwise. var p = new Cesium.Cartesian2(5, 6); var m = Cesium.Matrix2.fromRotation(Cesium.Math.toRadians(45.0)); var rotated = Cesium.Matrix2.multiplyByVector(m, p, new Cesium.Cartesian2());</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id=".fromRowMajorArray">
<a href="#.fromRowMajorArray" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.fromRowMajorArray<span class="signature">(values, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L182">Core/Matrix2.js 182</a>
</div>
</h4>
</div>
<div class="description">
Creates a Matrix2 instance from a row-major order array. The resulting matrix will be in column-major order.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>values</code></td>
<td class="type">
<span class="param-type">Array.&lt;Number></span>
</td>
<td class="description last">
The row-major order array.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The object in which the result will be stored, if undefined a new instance will be created.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter, or a new Matrix2 instance if one was not provided.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".fromScale">
<a href="#.fromScale" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.fromScale<span class="signature">(scale, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L211">Core/Matrix2.js 211</a>
</div>
</h4>
</div>
<div class="description">
Computes a Matrix2 instance representing a non-uniform scale.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>scale</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The x and y scale factors.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The object in which the result will be stored, if undefined a new instance will be created.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter, or a new Matrix2 instance if one was not provided.
</div>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">// Creates // [7.0, 0.0] // [0.0, 8.0] var m = Cesium.Matrix2.fromScale(new Cesium.Cartesian2(7.0, 8.0));</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id=".fromUniformScale">
<a href="#.fromUniformScale" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.fromUniformScale<span class="signature">(scale, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L242">Core/Matrix2.js 242</a>
</div>
</h4>
</div>
<div class="description">
Computes a Matrix2 instance representing a uniform scale.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>scale</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The uniform scale factor.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The object in which the result will be stored, if undefined a new instance will be created.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter, or a new Matrix2 instance if one was not provided.
</div>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">// Creates // [2.0, 0.0] // [0.0, 2.0] var m = Cesium.Matrix2.fromUniformScale(2.0);</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id=".getColumn">
<a href="#.getColumn" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.getColumn<span class="signature">(matrix, index, result)</span> &rarr; <span class="type-signature returnType"><a href="Cartesian2.html">Cartesian2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L354">Core/Matrix2.js 354</a>
</div>
</h4>
</div>
<div class="description">
Retrieves a copy of the matrix column at the provided index as a Cartesian2 instance.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix to use.</td>
</tr>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The zero-based index of the column to retrieve.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<h5>Throws:</h5>
<ul>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: index must be 0 or 1.
</div>
</li>
</ul>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".getElementIndex">
<a href="#.getElementIndex" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.getElementIndex<span class="signature">(row, column)</span> &rarr; <span class="type-signature returnType">Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L332">Core/Matrix2.js 332</a>
</div>
</h4>
</div>
<div class="description">
Computes the array index of the element at the provided row and column.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>row</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The zero-based index of the row.</td>
</tr>
<tr>
<td class="name"><code>column</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The zero-based index of the column.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The index of the element at the provided row and column.
</div>
<h5>Throws:</h5>
<ul>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: row must be 0 or 1.
</div>
</li>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: column must be 0 or 1.
</div>
</li>
</ul>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">var myMatrix = new Cesium.Matrix2(); var column1Row0Index = Cesium.Matrix2.getElementIndex(1, 0); var column1Row0 = myMatrix[column1Row0Index] myMatrix[column1Row0Index] = 10.0;</code></pre>
</dl>
<div class="nameContainer">
<h4 class="name" id=".getMaximumScale">
<a href="#.getMaximumScale" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.getMaximumScale<span class="signature">(matrix)</span> &rarr; <span class="type-signature returnType">Number</span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L487">Core/Matrix2.js 487</a>
</div>
</h4>
</div>
<div class="description">
Computes the maximum scale assuming the matrix is an affine transformation. The maximum scale is the maximum length of the column vectors.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The maximum scale.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".getRow">
<a href="#.getRow" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.getRow<span class="signature">(matrix, index, result)</span> &rarr; <span class="type-signature returnType"><a href="Cartesian2.html">Cartesian2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L412">Core/Matrix2.js 412</a>
</div>
</h4>
</div>
<div class="description">
Retrieves a copy of the matrix row at the provided index as a Cartesian2 instance.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix to use.</td>
</tr>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The zero-based index of the row to retrieve.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<h5>Throws:</h5>
<ul>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: index must be 0 or 1.
</div>
</li>
</ul>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".getScale">
<a href="#.getScale" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.getScale<span class="signature">(matrix, result)</span> &rarr; <span class="type-signature returnType"><a href="Cartesian2.html">Cartesian2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L467">Core/Matrix2.js 467</a>
</div>
</h4>
</div>
<div class="description">
Extracts the non-uniform scale assuming the matrix is an affine transformation.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".multiply">
<a href="#.multiply" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.multiply<span class="signature">(left, right, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L500">Core/Matrix2.js 500</a>
</div>
</h4>
</div>
<div class="description">
Computes the product of two matrices.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>left</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The first matrix.</td>
</tr>
<tr>
<td class="name"><code>right</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The second matrix.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".multiplyByScalar">
<a href="#.multiplyByScalar" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.multiplyByScalar<span class="signature">(matrix, scalar, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L594">Core/Matrix2.js 594</a>
</div>
</h4>
</div>
<div class="description">
Computes the product of a matrix and a scalar.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix.</td>
</tr>
<tr>
<td class="name"><code>scalar</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The number to multiply by.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".multiplyByScale">
<a href="#.multiplyByScale" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.multiplyByScale<span class="signature">(matrix, scale, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L624">Core/Matrix2.js 624</a>
</div>
</h4>
</div>
<div class="description">
Computes the product of a matrix times a (non-uniform) scale, as if the scale were a scale matrix.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix on the left-hand side.</td>
</tr>
<tr>
<td class="name"><code>scale</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The non-uniform scale on the right-hand side.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">// Instead of Cesium.Matrix2.multiply(m, Cesium.Matrix2.fromScale(scale), m); Cesium.Matrix2.multiplyByScale(m, scale, m);</code></pre>
<h5>See:</h5>
<ul class="see-list">
<li><a href="Matrix2.html#.fromScale">Matrix2.fromScale</a></li>
<li>Matrix2.multiplyByUniformScale</li>
</ul>
</dl>
<div class="nameContainer">
<h4 class="name" id=".multiplyByVector">
<a href="#.multiplyByVector" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.multiplyByVector<span class="signature">(matrix, cartesian, result)</span> &rarr; <span class="type-signature returnType"><a href="Cartesian2.html">Cartesian2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L571">Core/Matrix2.js 571</a>
</div>
</h4>
</div>
<div class="description">
Computes the product of a matrix and a column vector.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix.</td>
</tr>
<tr>
<td class="name"><code>cartesian</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The column.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".negate">
<a href="#.negate" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.negate<span class="signature">(matrix, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L645">Core/Matrix2.js 645</a>
</div>
</h4>
</div>
<div class="description">
Creates a negated copy of the provided matrix.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix to negate.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".pack">
<a href="#.pack" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.pack<span class="signature">(value, array, <span class="optional">startingIndex</span>)</span> &rarr; <span class="type-signature returnType">Array.&lt;Number></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L57">Core/Matrix2.js 57</a>
</div>
</h4>
</div>
<div class="description">
Stores the provided instance into the provided array.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>value</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="default">
</td>
<td class="description last">
The value to pack.</td>
</tr>
<tr>
<td class="name"><code>array</code></td>
<td class="type">
<span class="param-type">Array.&lt;Number></span>
</td>
<td class="default">
</td>
<td class="description last">
The array to pack into.</td>
</tr>
<tr>
<td class="name"><code>startingIndex</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
<code class="language-javascript">0</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The index into the array at which to start packing the elements.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The array that was packed into
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".setColumn">
<a href="#.setColumn" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.setColumn<span class="signature">(matrix, index, cartesian, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L384">Core/Matrix2.js 384</a>
</div>
</h4>
</div>
<div class="description">
Computes a new matrix that replaces the specified column in the provided matrix with the provided Cartesian2 instance.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix to use.</td>
</tr>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The zero-based index of the column to set.</td>
</tr>
<tr>
<td class="name"><code>cartesian</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The Cartesian whose values will be assigned to the specified column.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<h5>Throws:</h5>
<ul>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: index must be 0 or 1.
</div>
</li>
</ul>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".setRow">
<a href="#.setRow" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.setRow<span class="signature">(matrix, index, cartesian, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L441">Core/Matrix2.js 441</a>
</div>
</h4>
</div>
<div class="description">
Computes a new matrix that replaces the specified row in the provided matrix with the provided Cartesian2 instance.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix to use.</td>
</tr>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">
The zero-based index of the row to set.</td>
</tr>
<tr>
<td class="name"><code>cartesian</code></td>
<td class="type">
<span class="param-type"><a href="Cartesian2.html">Cartesian2</a></span>
</td>
<td class="description last">
The Cartesian whose values will be assigned to the specified row.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<h5>Throws:</h5>
<ul>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: index must be 0 or 1.
</div>
</li>
</ul>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".subtract">
<a href="#.subtract" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.subtract<span class="signature">(left, right, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L549">Core/Matrix2.js 549</a>
</div>
</h4>
</div>
<div class="description">
Computes the difference of two matrices.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>left</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The first matrix.</td>
</tr>
<tr>
<td class="name"><code>right</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The second matrix.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".toArray">
<a href="#.toArray" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.toArray<span class="signature">(matrix, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType">Array.&lt;Number></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L301">Core/Matrix2.js 301</a>
</div>
</h4>
</div>
<div class="description">
Creates an Array from the provided Matrix2 instance. The array will be in column-major order.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix to use..</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type">Array.&lt;Number></span>
</td>
<td class="description last">
<span class="optional">optional</span>
The Array onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified Array parameter or a new Array instance if one was not provided.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".transpose">
<a href="#.transpose" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.transpose<span class="signature">(matrix, result)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L665">Core/Matrix2.js 665</a>
</div>
</h4>
</div>
<div class="description">
Computes the transpose of the provided matrix.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>matrix</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The matrix to transpose.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="description last">
The object onto which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter.
</div>
<dl class="details">
</dl>
<div class="nameContainer">
<h4 class="name" id=".unpack">
<a href="#.unpack" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>Cesium.Matrix2.unpack<span class="signature">(array, <span class="optional">startingIndex</span>, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="Matrix2.html">Matrix2</a></span>
<div class="source-link rightLinks">
<a href="https://github.com/AnalyticalGraphicsInc/cesium/blob/1.58/Source/Core/Matrix2.js#L81">Core/Matrix2.js 81</a>
</div>
</h4>
</div>
<div class="description">
Retrieves an instance from a packed array.
</div>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>array</code></td>
<td class="type">
<span class="param-type">Array.&lt;Number></span>
</td>
<td class="default">
</td>
<td class="description last">
The packed array.</td>
</tr>
<tr>
<td class="name"><code>startingIndex</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
<code class="language-javascript">0</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The starting index of the element to be unpacked.</td>
</tr>
<tr>
<td class="name"><code>result</code></td>
<td class="type">
<span class="param-type"><a href="Matrix2.html">Matrix2</a></span>
</td>
<td class="default">
</td>
<td class="description last">
<span class="optional">optional</span>
The object into which to store the result.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The modified result parameter or a new Matrix2 instance if one was not provided.
</div>
<dl class="details">
</dl>
</article>
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