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数字孪生Web 后台dt（ digital twin）2.0版本 统一命名格式
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dt-admin-pc-v2/public/earthsdk/XbsjEarth/Documentation/PolylineVolumeGeometry.html

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统一命名格式
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<!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>PolylineVolumeGeometry - XbsjEarth Documentation</title>
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<div id="main">
<h1 class="page-title">
<!-- <a href="index.html"><img src="Images/CesiumLogo.png" class="cesiumLogo"></a> -->
<a href="index.html">EarthSDK</a>
PolylineVolumeGeometry
<div class="titleCenterer"></div>
</h1>
<section>
<header>
</header>
<article>
<div class="container-overview">
<div class="nameContainer">
<h4 class="name" id="PolylineVolumeGeometry">
<a href="#PolylineVolumeGeometry" class="doc-link"></a>
new PolylineVolumeGeometry<span class="signature">(options)</span>
<div class="source-link rightLinks">
</div>
</h4>
</div>
<div class="description">
A description of a polyline with a volume (a 2D shape extruded along a polyline).
</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>options</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last">
Object with the following properties:
<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>polylinePositions</code></td>
<td class="type">
<span class="param-type">Array.&lt;Cartesian3></span>
</td>
<td class="default">
</td>
<td class="description last">
An array of <code>Cartesain3</code> positions that define the center of the polyline volume.</td>
</tr>
<tr>
<td class="name"><code>shapePositions</code></td>
<td class="type">
<span class="param-type">Array.&lt;Cartesian2></span>
</td>
<td class="default">
</td>
<td class="description last">
An array of <code>Cartesian2</code> positions that define the shape to be extruded along the polyline</td>
</tr>
<tr>
<td class="name"><code>ellipsoid</code></td>
<td class="type">
<span class="param-type">Ellipsoid</span>
</td>
<td class="default">
<code class="language-javascript">Ellipsoid.WGS84</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The ellipsoid to be used as a reference.</td>
</tr>
<tr>
<td class="name"><code>granularity</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="default">
<code class="language-javascript">CesiumMath.RADIANS_PER_DEGREE</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The distance, in radians, between each latitude and longitude. Determines the number of positions in the buffer.</td>
</tr>
<tr>
<td class="name"><code>vertexFormat</code></td>
<td class="type">
<span class="param-type">VertexFormat</span>
</td>
<td class="default">
<code class="language-javascript">VertexFormat.DEFAULT</code>
</td>
<td class="description last">
<span class="optional">optional</span>
The vertex attributes to be computed.</td>
</tr>
<tr>
<td class="name"><code>cornerType</code></td>
<td class="type">
<span class="param-type">CornerType</span>
</td>
<td class="default">
<code class="language-javascript">CornerType.ROUNDED</code>
</td>
<td class="description last">
<span class="optional">optional</span>
Determines the style of the corners.</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<dl class="details">
<h5>Example:</h5>
<pre><code class="language-javascript">function computeCircle(radius) { var positions = []; for (var i = 0; i &lt; 360; i++) { var radians = Cesium.Math.toRadians(i); positions.push(new Cesium.Cartesian2(radius * Math.cos(radians), radius * Math.sin(radians))); } return positions; } var volume = new Cesium.PolylineVolumeGeometry({ vertexFormat : Cesium.VertexFormat.POSITION_ONLY, polylinePositions : Cesium.Cartesian3.fromDegreesArray([ -72.0, 40.0, -70.0, 35.0 ]), shapePositions : computeCircle(100000.0) });</code></pre>
<h5>Demo:</h5>
<ul class="see-list">
<li><a href="https://sandcastle.cesium.com/index.html?src=Polyline%2520Volume.html">Cesium Sandcastle Polyline Volume Demo</a></li>
</ul>
<h5>See:</h5>
<ul class="see-list">
<li>PolylineVolumeGeometry#createGeometry</li>
</ul>
</dl>
</div>
<h3 class="subsection-title">Members</h3>
<div class="nameContainer">
<h4 class="name" id="packedLength">
<a href="#packedLength" class="doc-link"></a>
packedLength<span class="type-signature"> : Number</span>
<div class="source-link rightLinks">
</div>
</h4>
</div>
<div class="description">
The number of elements used to pack the object into an array.
</div>
<dl class="details">
</dl>
<h3 class="subsection-title">Methods</h3>
<div class="nameContainer">
<h4 class="name" id=".createGeometry">
<a href="#.createGeometry" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>PolylineVolumeGeometry.createGeometry<span class="signature">(polylineVolumeGeometry)</span> &rarr; <span class="type-signature returnType">Geometry|undefined</span>
<div class="source-link rightLinks">
</div>
</h4>
</div>
<div class="description">
Computes the geometric representation of a polyline with a volume, including its vertices, indices, and a bounding sphere.
</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>polylineVolumeGeometry</code></td>
<td class="type">
<span class="param-type"><a href="PolylineVolumeGeometry.html">PolylineVolumeGeometry</a></span>
</td>
<td class="description last">
A description of the polyline volume.</td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="param-desc">
The computed vertices and indices.
</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>PolylineVolumeGeometry.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">
</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="PolylineVolumeGeometry.html">PolylineVolumeGeometry</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=".unpack">
<a href="#.unpack" class="doc-link"></a>
<span class="type-signature attribute-static">static</span>PolylineVolumeGeometry.unpack<span class="signature">(array, <span class="optional">startingIndex</span>, <span class="optional">result</span>)</span> &rarr; <span class="type-signature returnType"><a href="PolylineVolumeGeometry.html">PolylineVolumeGeometry</a></span>
<div class="source-link rightLinks">
</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="PolylineVolumeGeometry.html">PolylineVolumeGeometry</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 PolylineVolumeGeometry instance if one was not provided.
</div>
<dl class="details">
</dl>
</article>
</section>
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