rn_supermap
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rn_supermap 一款基于React-Native框架的移动应用开发工具。基于该开发工具，用户可以使用JavaScript开发语言，开发出在Android和IOS操作系统下运行的原生移动GIS应用，入门门槛低，一次开发，处处运行。
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<title>JSDoc: Class: BufferAnalyst</title>
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<h1 class="page-title">Class: BufferAnalyst</h1>
<section>
<header>
<h2>BufferAnalyst</h2>
</header>
<article>
<div class="container-overview">
<h4 class="name" id="BufferAnalyst"><span class="type-signature"></span>new BufferAnalyst<span class="signature">()</span><span class="type-signature"></span></h4>
<div class="description">
缓冲区分析类。该类用于为点、线、面数据集（或记录集）创建缓冲区，包括单边缓冲区、多重缓冲区和线单边多重缓冲区。
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="BufferAnalyst.js.html">BufferAnalyst.js</a>, <a href="BufferAnalyst.js.html#line10">line 10</a>
</li></ul></dd>
</dl>
</div>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id=".createBuffer"><span class="type-signature">(static) </span>createBuffer<span class="signature">(sourceDataSet, sourceDataSet, bufferAnalystParam, isUnion, isAttributeRetained)</span><span class="type-signature"> → {Promise.<boolean>}</span></h4>
<div class="description">
创建矢量数据集缓冲区
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">源矢量数据集</td>
</tr>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">用于存储缓冲区分析结果的数据集</td>
</tr>
<tr>
<td class="name"><code>bufferAnalystParam</code></td>
<td class="type">
<span class="param-type"><a href="BufferAnalystParameter.html">BufferAnalystParameter</a></span>
</td>
<td class="description last">缓冲区分析参数对象</td>
</tr>
<tr>
<td class="name"><code>isUnion</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否合并缓冲区</td>
</tr>
<tr>
<td class="name"><code>isAttributeRetained</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否保留进行缓冲区分析的对象的字段属性</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="BufferAnalyst.js.html">BufferAnalyst.js</a>, <a href="BufferAnalyst.js.html#line26">line 26</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<boolean></span>
</dd>
</dl>
<h4 class="name" id=".createLineOneSideMultiBuffer"><span class="type-signature">(static) </span>createLineOneSideMultiBuffer<span class="signature">(sourceDataSet, sourceDataSet, arrBufferRadius, bufferRadiusUnit, semicircleSegment, isLeft, isUnion, isAttributeRetained, isRing)</span><span class="type-signature"> → {Promise.<boolean>}</span></h4>
<div class="description">
创建矢量数据集单边多重缓冲区
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">源矢量数据集</td>
</tr>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">用于存储缓冲区分析结果的数据集</td>
</tr>
<tr>
<td class="name"><code>arrBufferRadius</code></td>
<td class="type">
<span class="param-type">array</span>
</td>
<td class="description last">指定的多重缓冲区半径列表</td>
</tr>
<tr>
<td class="name"><code>bufferRadiusUnit</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">指定的缓冲区半径单位</td>
</tr>
<tr>
<td class="name"><code>semicircleSegment</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">指定的弧短拟合数</td>
</tr>
<tr>
<td class="name"><code>isLeft</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否生成左缓冲区</td>
</tr>
<tr>
<td class="name"><code>isUnion</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否合并缓冲区</td>
</tr>
<tr>
<td class="name"><code>isAttributeRetained</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否保留进行缓冲区分析的对象的字段属性</td>
</tr>
<tr>
<td class="name"><code>isRing</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否生成环装缓冲区</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="BufferAnalyst.js.html">BufferAnalyst.js</a>, <a href="BufferAnalyst.js.html#line50">line 50</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<boolean></span>
</dd>
</dl>
<h4 class="name" id=".createMultiBuffer"><span class="type-signature">(static) </span>createMultiBuffer<span class="signature">(sourceDataSet, sourceDataSet, arrBufferRadius, bufferRadiusUnit, semicircleSegment, isUnion, isAttributeRetained, isRing)</span><span class="type-signature"> → {Promise.<boolean>}</span></h4>
<div class="description">
创建矢量数据集多重缓冲区
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">源矢量数据集</td>
</tr>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">用于存储缓冲区分析结果的数据集</td>
</tr>
<tr>
<td class="name"><code>arrBufferRadius</code></td>
<td class="type">
<span class="param-type">array</span>
</td>
<td class="description last">指定的多重缓冲区半径列表</td>
</tr>
<tr>
<td class="name"><code>bufferRadiusUnit</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">指定的缓冲区半径单位</td>
</tr>
<tr>
<td class="name"><code>semicircleSegment</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">指定的弧短拟合数</td>
</tr>
<tr>
<td class="name"><code>isUnion</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否合并缓冲区</td>
</tr>
<tr>
<td class="name"><code>isAttributeRetained</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否保留进行缓冲区分析的对象的字段属性</td>
</tr>
<tr>
<td class="name"><code>isRing</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否生成环装缓冲区</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="BufferAnalyst.js.html">BufferAnalyst.js</a>, <a href="BufferAnalyst.js.html#line73">line 73</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<boolean></span>
</dd>
</dl>
</article>
</section>
<section>
<header>
<h2>BufferAnalyst</h2>
</header>
<article>
<div class="container-overview">
<h4 class="name" id="BufferAnalyst"><span class="type-signature"></span>new BufferAnalyst<span class="signature">()</span><span class="type-signature"></span></h4>
<div class="description">
几何对象缓冲区分析类。
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="BufferAnalystGeometry.js.html">BufferAnalystGeometry.js</a>, <a href="BufferAnalystGeometry.js.html#line12">line 12</a>
</li></ul></dd>
</dl>
</div>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id=".createBuffer"><span class="type-signature">(static) </span>createBuffer<span class="signature">(sourceDataSet, sourceDataSet, bufferAnalystParam, isUnion, isAttributeRetained)</span><span class="type-signature"> → {Promise.<boolean>}</span></h4>
<div class="description">
创建矢量数据集缓冲区
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">源矢量数据集</td>
</tr>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">用于存储缓冲区分析结果的数据集</td>
</tr>
<tr>
<td class="name"><code>bufferAnalystParam</code></td>
<td class="type">
<span class="param-type"><a href="BufferAnalystParameter.html">BufferAnalystParameter</a></span>
</td>
<td class="description last">缓冲区分析参数对象</td>
</tr>
<tr>
<td class="name"><code>isUnion</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否合并缓冲区</td>
</tr>
<tr>
<td class="name"><code>isAttributeRetained</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否保留进行缓冲区分析的对象的字段属性</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="BufferAnalyst.js.html">BufferAnalyst.js</a>, <a href="BufferAnalyst.js.html#line26">line 26</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<boolean></span>
</dd>
</dl>
<h4 class="name" id=".createLineOneSideMultiBuffer"><span class="type-signature">(static) </span>createLineOneSideMultiBuffer<span class="signature">(sourceDataSet, sourceDataSet, arrBufferRadius, bufferRadiusUnit, semicircleSegment, isLeft, isUnion, isAttributeRetained, isRing)</span><span class="type-signature"> → {Promise.<boolean>}</span></h4>
<div class="description">
创建矢量数据集单边多重缓冲区
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">源矢量数据集</td>
</tr>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">用于存储缓冲区分析结果的数据集</td>
</tr>
<tr>
<td class="name"><code>arrBufferRadius</code></td>
<td class="type">
<span class="param-type">array</span>
</td>
<td class="description last">指定的多重缓冲区半径列表</td>
</tr>
<tr>
<td class="name"><code>bufferRadiusUnit</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">指定的缓冲区半径单位</td>
</tr>
<tr>
<td class="name"><code>semicircleSegment</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">指定的弧短拟合数</td>
</tr>
<tr>
<td class="name"><code>isLeft</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否生成左缓冲区</td>
</tr>
<tr>
<td class="name"><code>isUnion</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否合并缓冲区</td>
</tr>
<tr>
<td class="name"><code>isAttributeRetained</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否保留进行缓冲区分析的对象的字段属性</td>
</tr>
<tr>
<td class="name"><code>isRing</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否生成环装缓冲区</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="BufferAnalyst.js.html">BufferAnalyst.js</a>, <a href="BufferAnalyst.js.html#line50">line 50</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<boolean></span>
</dd>
</dl>
<h4 class="name" id=".createMultiBuffer"><span class="type-signature">(static) </span>createMultiBuffer<span class="signature">(sourceDataSet, sourceDataSet, arrBufferRadius, bufferRadiusUnit, semicircleSegment, isUnion, isAttributeRetained, isRing)</span><span class="type-signature"> → {Promise.<boolean>}</span></h4>
<div class="description">
创建矢量数据集多重缓冲区
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">源矢量数据集</td>
</tr>
<tr>
<td class="name"><code>sourceDataSet</code></td>
<td class="type">
<span class="param-type"><a href="Dataset.html">Dataset</a></span>
</td>
<td class="description last">用于存储缓冲区分析结果的数据集</td>
</tr>
<tr>
<td class="name"><code>arrBufferRadius</code></td>
<td class="type">
<span class="param-type">array</span>
</td>
<td class="description last">指定的多重缓冲区半径列表</td>
</tr>
<tr>
<td class="name"><code>bufferRadiusUnit</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">指定的缓冲区半径单位</td>
</tr>
<tr>
<td class="name"><code>semicircleSegment</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last">指定的弧短拟合数</td>
</tr>
<tr>
<td class="name"><code>isUnion</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否合并缓冲区</td>
</tr>
<tr>
<td class="name"><code>isAttributeRetained</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否保留进行缓冲区分析的对象的字段属性</td>
</tr>
<tr>
<td class="name"><code>isRing</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last">是否生成环装缓冲区</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="BufferAnalyst.js.html">BufferAnalyst.js</a>, <a href="BufferAnalyst.js.html#line73">line 73</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<boolean></span>
</dd>
</dl>
</article>
</section>
</div>
<nav>
<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="BufferAnalyst.html">BufferAnalyst</a></li><li><a href="BufferAnalystParameter.html">BufferAnalystParameter</a></li><li><a href="DataDownloadService.html">DataDownloadService</a></li><li><a href="Dataset.html">Dataset</a></li><li><a href="DatasetVector.html">DatasetVector</a></li><li><a href="DatasetVectorInfo.html">DatasetVectorInfo</a></li><li><a href="Datasource.html">Datasource</a></li><li><a href="DatasourceConnectionInfo.html">DatasourceConnectionInfo</a></li><li><a href="DataUploadService.html">DataUploadService</a></li><li><a href="Feature.html">Feature</a></li><li><a href="FeatureSet.html">FeatureSet</a></li><li><a href="GeoLine.html">GeoLine</a></li><li><a href="Geometry.html">Geometry</a></li><li><a href="GeoPoint.html">GeoPoint</a></li><li><a href="GeoRegion.html">GeoRegion</a></li><li><a href="GeoStyle.html">GeoStyle</a></li><li><a href="Layer.html">Layer</a></li><li><a href="LayerSetting.html">LayerSetting</a></li><li><a href="LayerSettingVector.html">LayerSettingVector</a></li><li><a href="LocationManager.html">LocationManager</a></li><li><a href="Map.html">Map</a></li><li><a href="MapControl.html">MapControl</a></li><li><a href="MapView.html">MapView</a></li><li><a href="Navigation2.html">Navigation2</a></li><li><a href="OverlayAnalyst.html">OverlayAnalyst</a></li><li><a href="OverlayAnalystParameter.html">OverlayAnalystParameter</a></li><li><a href="Point.html">Point</a></li><li><a href="Point2D.html">Point2D</a></li><li><a href="QueryParameter.html">QueryParameter</a></li><li><a href="QueryService.html">QueryService</a></li><li><a href="Rectangle2D.html">Rectangle2D</a></li><li><a href="Scene.html">Scene</a></li><li><a href="Selection.html">Selection</a></li><li><a href="ServiceBase.html">ServiceBase</a></li><li><a href="ServiceQueryParameter.html">ServiceQueryParameter</a></li><li><a href="Size2D.html">Size2D</a></li><li><a href="Theme.html">Theme</a></li><li><a href="Track.html">Track</a></li><li><a href="TrackingLayer.html">TrackingLayer</a></li><li><a href="TraditionalNavi.html">TraditionalNavi</a></li><li><a href="Workspace.html">Workspace</a></li><li><a href="WorkspaceConnectionInfo.html">WorkspaceConnectionInfo</a></li></ul>
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