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@mapgis/webclient-common

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mapgis ES6 format for igserver

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<header id="page-title" class="page-title"> <span class="page-title-main">类名</span> <span class="page-title-sub">Polygon</span> </header> <section> <article> <div class="container-overview"> <div class='vertical-section'> <div class="members"> <div class="member"> <h4 class="name" id="Polygon"> <a class="href-link" href="#Polygon">#</a> <span class="code-name" id="Polygon" style="font-size:30px"> new Polygon<span class="signature">(options)</span> </span> </h4> <div class="description"> <p>区几何,由多个环(ring)构成的几何对象,仅支持带洞区和非带洞区,不支持带岛区,即三个圈重叠<br/> 多边形的第一个环(ring)即外圈,从第二个环开始为内圈,内圈可以重合、相交、自相交,但是不能超过外圈 <br><br>[ES5引入方式]:<br/> zondy.geometry.Polygon() <br/> [ES6引入方式]:<br/> import { Polygon } from &quot;@mapgis/webclient-common&quot; <br/> <br/></p> </div> <h4>参数</h4> <div class="table-container"> <table class="params table"> <thead> <tr> <th>名称</th> <th>类型</th> <th style="min-width: 100px;">默认值</th> <th class="last">描述</th> </tr> </thead> <tbody> <tr class="deep-level-0"> <td class="name"><code>options</code></td> <td class="type"> <span class="param-type"> Object </span> </td> <td class="default"> </td> <td class="description last"><p>构造参数</p></td> </tr> <tr class="deep-level-1"> <td class="name"><code>coordinates</code></td> <td class="type"> <span class="param-type"> Array </span> </td> <td class="default"> [] </td> <td class="description last"><p>几何点的坐标数组,参考示例如下:<br/> <a href='#Polygon'>[1、不带洞的区几何对象]</a><br/> <a href='#Polygon-innder'>[2、带洞的区几何对象]</a></p></td> </tr> <tr class="deep-level-1"> <td class="name"><code>spatialReference</code></td> <td class="type"> <span class="param-type"> <a link="SpatialReference.html" onclick="getTypeHTML(event)" href="SpatialReference.html">SpatialReference</a> </span> </td> <td class="default"> new zondy.SpatialReference('EPSG:4326') </td> <td class="description last"><p>几何点的空间参考系,默认4326,当不是4326时请指定坐标系,方便进行投影转换,参考示例:<a href='#SpatialReference'>[指定坐标系]</a></p></td> </tr> </tbody> </table> </div> <dl class="details"> </dl> <p class="summary"><h5>支持如下方法:</h5> <a href='#fromExtent'>[1、将给定的Extent转换为多边形实例]</a><br/> <a href='#addRing'>[2、在多边形中添加一个环]</a><br/> <a href='#removeRing'>[3、根据索引从多边形中移除一个环]</a><br/> <a href='#contains'>[4、检查输入点是否在多边形内]</a><br/> <a href='#getPoint'>[5、根据下标返回指定的点]</a><br/> <a href='#insertPoint'>[6、在多边形中插入一个新点]</a><br/> <a href='#removePoint'>[7、根据下标从多边形中移除一个点]</a><br/> <a href='#toXMl'>[8、导出为OGC服务要求的xml字符串]</a><br/> <a href='#toString'>[9、返回字符串]</a><br/> <a href='#toOldIGSGeometry'>[10、返回igs1.0的几何对象]</a><br/> <a href='#getIGSType'>[11、返回IGS所对应的GeometryModule型]</a><br/> <a href='#toDots'>[12、返回Dots对象,仅包括多边形的外圈]</a> <a href='#fromJSON'>[13、通过传入的json构造并返回一个新的几何对象]</a><br/> <a href='#toJSON'>[14、导出为json对象]</a><br/> <a href="Geometry.html#clone"><code>15、克隆几何对象</code></a></p> <h5>示例</h5> <p class="code-caption"><h7 id='Polygon'>不带洞的区几何</h7></p> <pre class="prettyprint"><code>// ES5引入方式 const { Polygon } = zondy.geometry // ES6引入方式 import { Polygon } from "@mapgis/webclient-common" new Polygon({ coordinates:[ // 外圈 [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ] ] })</code></pre> <p class="code-caption"><h7 id='Polygon-innder'>带洞的区几何</h7></p> <pre class="prettyprint"><code>// ES5引入方式 const { Polygon } = zondy.geometry // ES6引入方式 import { Polygon } from "@mapgis/webclient-common" new Polygon({ coordinates:[ // 外圈 [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ], // 第一个内圈 [ [100.8, 0.8], [100.8, 0.2], [100.2, 0.2], [100.2, 0.8], [100.8, 0.8] ], // 第二个内圈 [], ... ] })</code></pre> <p class="code-caption"><h7 id='spatialReference'>指定坐标系</h7></p> <pre class="prettyprint"><code>// ES5引入方式 const { Polygon } = zondy.geometry // ES6引入方式 import { Polygon } from "@mapgis/webclient-common" new Polygon({ coordinates:[ // 外圈 [ [12060733.232006868, 3377247.5680546067], [12929863.44711455, 3377247.5680546067], [12929863.44711455, 3934286.575385226], [12060733.232006868, 3934286.575385226], [12060733.232006868, 3377247.5680546067] ] ] })</code></pre> </div> </div> </div> </div> <h3 class="subsection-title">继承关系</h3> <ul> <li><a link="Geometry.html" onclick="getTypeHTML(event)" href="Geometry.html">Geometry</a></li> </ul> <div class='vertical-section'> <h3 id='member'>成员变量</h3> <h4 style="margin-top: 20px;margin-bottom: 20px;">成员变量概述</h4> <div class="table-container"> <table class="params table"> <thead> <tr> <th>名称</th> <th>类型</th> <th>描述</th> </tr> </thead> <tbody> <tr class="deep-level-0"> <td class="name"><code><a href="#centroid">centroid</a></code></td> <td class="name"> <code> <span class="param-type"> <a link="Point.html" onclick="getTypeHTML(event)" href="Point.html">Point</a> </span> </code> </td> <td class="name"><code><p>多边形质心</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#coordinates">coordinates</a></code></td> <td class="name"> <code> <span class="param-type"> Array </span> </code> </td> <td class="name"><code><p>几何点的坐标</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#extensionOptions">extensionOptions</a></code></td> <td class="name"> <code> <span class="param-type"> Object </span> </code> </td> <td class="name"><code><p>初始化图层的额外参数,可以通过该参数传入引擎原生的构造参数</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#extent">extent</a></code></td> <td class="name"> <code> <span class="param-type"> Number </span> </code> </td> <td class="name"><code><p>外包盒</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#hasZ">hasZ</a></code></td> <td class="name"> <code> <span class="param-type"> Boolean </span> </code> </td> <td class="name"><code><p>是否含有z坐标</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#isSelfIntersecting">isSelfIntersecting</a></code></td> <td class="name"> <code> <span class="param-type"> Boolean </span> </code> </td> <td class="name"><code><p>多边形是否自相交;判断多边形内的环是否互相相交;或多边形内部的环是否自相交</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#spatialReference">spatialReference</a></code></td> <td class="name"> <code> <span class="param-type"> <a link="SpatialReference.html" onclick="getTypeHTML(event)" href="SpatialReference.html">SpatialReference</a> </span> </code> </td> <td class="name"><code><p>几何点的空间参考系</p></code></td> </tr> </tbody> </table> </div> <h4 style="margin-top: 20px;margin-bottom: 20px;">成员变量详情</h4> <div class="members"> <div class="member"> <span class="method-parameter is-pulled-right"> <label>类型:</label> <span class="param-type"> <a link="Point.html" onclick="getTypeHTML(event)" href="Point.html">Point</a> </span> </span> <h4 class="name" id="centroid"> <a class="href-link" href="#centroid">#</a> <span class="code-name"> centroid </span> </h4> <div class="description"> <p>多边形质心</p> </div> <dl class="details"> </dl> </div> <div class="member"> <span class="method-parameter is-pulled-right"> <label>类型:</label> <span class="param-type"> Array </span> </span> <h4 class="name" id="coordinates"> <a class="href-link" href="#coordinates">#</a> <span class="code-name"> coordinates </span> </h4> <div class="description"> <p>几何点的坐标</p> </div> <dl class="details"> </dl> </div> <div class="member"> <span class="method-parameter is-pulled-right"> <label>类型:</label> <span class="param-type"> Object </span> </span> <h4 class="name" id="extensionOptions"> <a class="href-link" href="#extensionOptions">#</a> <span class="code-name"> extensionOptions </span> </h4> <div class="description"> <p>初始化图层的额外参数,可以通过该参数传入引擎原生的构造参数</p> </div> <dl class="details"> <dt class="inherited-from">Inherited From:</dt> <dd class="inherited-from"><ul class="dummy"><li> <a goto="extensionOptions" link="Geometry.html" onclick="getTypeHTML(event)" href="Geometry.html#extensionOptions">Geometry#extensionOptions</a> </li></ul></dd> <dt class="tag-default">Default Value:</dt> <dd class="tag-default"><ul class="dummy"> <li>{}</li> </ul></dd> </dl> </div> <div class="member"> <span class="method-parameter is-pulled-right"> <label>类型:</label> <span class="param-type"> Number </span> </span> <h4 class="name" id="extent"> <a class="href-link" href="#extent">#</a> <span class="code-name"> extent </span> </h4> <div class="description"> <p>外包盒</p> </div> <dl class="details"> <dt class="tag-overrides">Overrides:</dt> <dd class="tag-overrides"><ul class="dummy"><li> <a href="Geometry.html#extent">Geometry#extent</a> </li></ul></dd> </dl> </div> <div class="member"> <span class="method-parameter is-pulled-right"> <label>类型:</label> <span class="param-type"> Boolean </span> </span> <h4 class="name" id="hasZ"> <a class="href-link" href="#hasZ">#</a> <span class='tag'>readonly</span> <span class="code-name"> hasZ </span> </h4> <div class="description"> <p>是否含有z坐标</p> </div> <dl class="details"> <dt class="tag-overrides">Overrides:</dt> <dd class="tag-overrides"><ul class="dummy"><li> <a href="Geometry.html#hasZ">Geometry#hasZ</a> </li></ul></dd> </dl> </div> <div class="member"> <span class="method-parameter is-pulled-right"> <label>类型:</label> <span class="param-type"> Boolean </span> </span> <h4 class="name" id="isSelfIntersecting"> <a class="href-link" href="#isSelfIntersecting">#</a> <span class="code-name"> isSelfIntersecting </span> </h4> <div class="description"> <p>多边形是否自相交;判断多边形内的环是否互相相交;或多边形内部的环是否自相交</p> </div> <dl class="details"> <dt class="tag-default">Default Value:</dt> <dd class="tag-default"><ul class="dummy"> <li>false</li> </ul></dd> </dl> </div> <div class="member"> <span class="method-parameter is-pulled-right"> <label>类型:</label> <span class="param-type"> <a link="SpatialReference.html" onclick="getTypeHTML(event)" href="SpatialReference.html">SpatialReference</a> </span> </span> <h4 class="name" id="spatialReference"> <a class="href-link" href="#spatialReference">#</a> <span class="code-name"> spatialReference </span> </h4> <div class="description"> <p>几何点的空间参考系</p> </div> <dl class="details"> <dt class="inherited-from">Inherited From:</dt> <dd class="inherited-from"><ul class="dummy"><li> <a goto="spatialReference" link="Geometry.html" onclick="getTypeHTML(event)" href="Geometry.html#spatialReference">Geometry#spatialReference</a> </li></ul></dd> </dl> </div> </div> </div> <div class='vertical-section'> <h3 id='function'>方法</h3> <h4 style="margin-top: 20px;margin-bottom: 20px;">方法概述</h4> <div class="members"> <div class="table-container"> <table class="params table"> <thead> <tr> <th>名称</th> <th>返回值类型</th> <th>描述</th> </tr> </thead> <tbody> <tr class="deep-level-0"> <td class="name"><code><a href="#fromExtent">fromExtent</a></code></td> <td class="name"> <code> <span class="param-type"> <a link="Polygon.html" onclick="getTypeHTML(event)" href="Polygon.html">Polygon</a> </span> </code> </td> <td class="name"><code><p>将给定的Extent转换为多边形实例</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#fromJSON">fromJSON</a></code></td> <td class="name"> <code> </code> </td> <td class="name"><code><p>通过传入的json构造并返回一个新的几何对象</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#addRing">addRing</a></code></td> <td class="name"> <code> <span class="param-type"> <a link="Polygon.html" onclick="getTypeHTML(event)" href="Polygon.html">Polygon</a> </span> </code> </td> <td class="name"><code><p>在多边形中添加一个环,环可以是一个数字数组或一个点数组</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#clone">clone</a></code></td> <td class="name"> <code> <span class="param-type"> <a link="Geometry.html" onclick="getTypeHTML(event)" href="Geometry.html">Geometry</a> </span> </code> </td> <td class="name"><code><p>克隆几何对象</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#contains">contains</a></code></td> <td class="name"> <code> <span class="param-type"> Boolean </span> </code> </td> <td class="name"><code><p>检查输入点是否在多边形内。多边形线上的一个点被认为是内部</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#fromGeoJSON">fromGeoJSON</a></code></td> <td class="name"> <code> </code> </td> <td class="name"><code><p>导入GeoJSON</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#getGeometryType">getGeometryType</a></code></td> <td class="name"> <code> <span class="param-type"> String </span> </code> </td> <td class="name"><code><p>获取GeometryModule型</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#getIGSType">getIGSType</a></code></td> <td class="name"> <code> </code> </td> <td class="name"><code><p>返回IGS所对应的GeometryModule型</code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#getPoint">getPoint</a></code></td> <td class="name"> <code> <span class="param-type"> <a link="Point.html" onclick="getTypeHTML(event)" href="Point.html">Point</a> </span> | <span class="param-type"> null </span> </code> </td> <td class="name"><code><p>根据下标返回指定的点</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#getType">getType</a></code></td> <td class="name"> <code> <span class="param-type"> String </span> </code> </td> <td class="name"><code><p>返回所对应的GeometryModule型</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#insertPoint">insertPoint</a></code></td> <td class="name"> <code> <span class="param-type"> <a link="Polygon.html" onclick="getTypeHTML(event)" href="Polygon.html">Polygon</a> </span> | <span class="param-type"> null </span> </code> </td> <td class="name"><code><p>在多边形中插入一个新点</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#isClockwise">isClockwise</a></code></td> <td class="name"> <code> <span class="param-type"> Boolean </span> </code> </td> <td class="name"><code><p>多边形的环是否是顺时针</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#off">off</a></code></td> <td class="name"> <code> <span class="param-type"> Object </span> </code> </td> <td class="name"><code><p>移除事件<br/> 示例如下:<br/> </code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#on">on</a></code></td> <td class="name"> <code> <span class="param-type"> Object </span> </code> </td> <td class="name"><code><p>注册一个新的监听事件;<br/> 示例如下:<br/> </code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#removePoint">removePoint</a></code></td> <td class="name"> <code> <span class="param-type"> <a link="Point.html" onclick="getTypeHTML(event)" href="Point.html">Point</a> </span> | <span class="param-type"> null </span> </code> </td> <td class="name"><code><p>根据下标从多边形中移除一个点</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#removeRing">removeRing</a></code></td> <td class="name"> <code> <span class="param-type"> Array </span> </code> </td> <td class="name"><code><p>根据索引从多边形中移除一个环</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#setPoint">setPoint</a></code></td> <td class="name"> <code> <span class="param-type"> <a link="Polygon.html" onclick="getTypeHTML(event)" href="Polygon.html">Polygon</a> </span> </code> </td> <td class="name"><code><p>更新多边形中的一个点</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#toDots">toDots</a></code></td> <td class="name"> <code> </code> </td> <td class="name"><code><p>返回Dots对象,仅包括多边形的外圈</code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#toGeoJSON">toGeoJSON</a></code></td> <td class="name"> <code> <span class="param-type"> Object </span> </code> </td> <td class="name"><code><p>导出为GeoJSON</p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#toJSON">toJSON</a></code></td> <td class="name"> <code> <span class="param-type"> Object </span> </code> </td> <td class="name"><code><p></code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#toOldIGSGeometry">toOldIGSGeometry</a></code></td> <td class="name"> <code> </code> </td> <td class="name"><code><p>返回igs1.0的几何对象</code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#toString">toString</a></code></td> <td class="name"> <code> </code> </td> <td class="name"><code><p>返回如下格式的字符串:&quot;x0,y0,x1,y1,x2,y2,x0,y0|x3,y3,x4,y4,x5,y5,x3,y3&quot;</code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#toXMl">toXMl</a></code></td> <td class="name"> <code> <span class="param-type"> String </span> </code> </td> <td class="name"><code><p>导出为OGC服务要求的xml字符串</code></td> </tr> <tr class="deep-level-0"> <td class="name"><code><a href="#toXML">toXML</a></code></td> <td class="name"> <code> <span class="param-type"> String </span> </code> </td> <td class="name"><code><p>导出为OGC服务要求的xml字符串,子类实现</p></code></td> </tr> </tbody> </table> </div> <h4 style="margin-top: 20px;margin-bottom: 20px;">方法详情</h4> <div class="member"> <h4 class="name" id=".fromExtent"> <a class="href-link" href="#.fromExtent">#</a> <span class='tag'>static</span> <span class="code-name" id="fromExtent" style="font-size:30px"> fromExtent<span class="signature">(extent)</span> </span> </h4> <div class="description"> <p>将给定的Extent转换为多边形实例</p> </div> <h4>参数</h4> <div class="table-container"> <table class="params table"> <thead> <tr> <th>名称</th> <th>类型</th> <th class="last">描述</th> </tr> </thead> <tbody> <tr class="deep-level-0"> <td class="name"><code>extent</code></td> <td class="type"> <span class="param-type"> <a link="Extent.html" onclick="getTypeHTML(event)" href="Extent.html">Extent</a> </span> </td> <td class="description last"></td> </tr> </tbody> </table> </div> <dl class="details"> </dl> <div class='columns method-parameter'> <div class="column is-2"><label>返回值</label></div> <div class="column is-10"> <div class="columns"> <div class='param-desc column is-7'><p>表示给定范围的多边形实例</p></div> <div class='column is-5 has-text-left'> <label>类型: </label> <span class="param-type"> <a link="Polygon.html" onclick="getTypeHTML(event)" href="Polygon.html">Polygon</a> </span> </div> </div> </div> </div> <h5>示例</h5> <p class="code-caption"><h7 id='fromExtent'>将给定的Extent转换为多边形实例</h7></p> <pre class="prettyprint"><code>// ES5引入方式 const { Extent, Polygon } = zondy.geometry // ES6引入方式 import { Extent, Polygon } from "@mapgis/webclient-common" const extent = new Extent({ "xmin":10, "xmax":210, "ymin":0, "ymax":100 }) const polygon = Polygon.fromExtent(extent)</code></pre> </div> <div class="member"> <h4 class="name" id=".fromJSON"> <a class="href-link" href="#.fromJSON">#</a> <span class='tag'>static</span> <span class="code-name" id="fromJSON" style="font-size:30px"> fromJSON<span class="signature">(json<span class="signature-attributes">opt</span>)</span> </span> </h4> <div class="description"> <p>通过传入的json构造并返回一个新的几何对象</p> </div> <h4>参数</h4> <div class="table-container"> <table class="params table"> <thead> <tr> <th>名称</th> <th>类型</th> <th class="last">描述</th> </tr> </thead> <tbody> <tr class="deep-level-0"> <td class="name"><code>json</code></td> <td class="type"> <span class="param-type"> Object </span> </td> <td class="description last"><p>JSON对象</p></td> </tr> </tbody> </table> </div> <dl class="details"> </dl> <h5>示例</h5> <p class="code-caption"><h7 id='fromJSON'>通过传入的json构造并返回一个新的几何对象</h7></p> <pre class="prettyprint"><code>// ES5引入方式 const { Polygon } = zondy.geometry // ES6引入方式 import { Polygon } from "@mapgis/webclient-common" const json = { coordinates:[ // 外圈 [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ] ] } const polygon = new Polygon.fromJSON(json)</code></pre> </div> <div class="member"> <h4 class="name" id="addRing"> <a class="href-link" href="#addRing">#</a> <span class="code-name" id="addRing" style="font-size:30px"> addRing<span class="signature">(points)</span> </span> </h4> <div class="description"> <p>在多边形中添加一个环,环可以是一个数字数组或一个点数组</p> </div> <h4>参数</h4> <div class="table-container"> <table class="params table"> <thead> <tr> <th>名称</th> <th>类型</th> <th class="last">描述</th> </tr> </thead> <tbody> <tr class="deep-level-0"> <td class="name"><code>points</code></td> <td class="type"> <span class="param-type"> Array.&lt;<a onclick="getTypeHTML(event)" link="Point.html">Point</a>> </span> </td> <td class="description last"><p>一个多边形环。环中的第一个和最后一个坐标/点必须相同。可以将其定义为Point几何图形数组或XY坐标数组。</p></td> </tr> </tbody> </table> </div> <dl class="details"> </dl> <div class='columns method-parameter'> <div class="column is-2"><label>返回值</label></div> <div class="column is-10"> <div class="columns"> <div class='param-desc column is-7'><p>返回包含新环的多边形</p></div> <div class='column is-5 has-text-left'> <label>类型: </label> <span class="param-type"> <a link="Polygon.html" onclick="getTypeHTML(event)" href="Polygon.html">Polygon</a> </span> </div> </div> </div> </div> <h5>示例</h5> <p class="code-caption"><h7 id='addRing'>在多边形中添加一个环</h7></p> <pre class="prettyprint"><code>// ES5引入方式 const { Polygon, Point } = zondy.geometry // ES6引入方式 import { Polygon, Point } from "@mapgis/webclient-common" const polygon = new Polygon({ coordinates:[ // 外圈 [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ] ] }) const ring = [ new Point({ coordinates: [100.2, 0.0] }), new Point({ coordinates: [101.3, 0.0] }), new Point({ coordinates: [100.3, 0.7] }), new Point({ coordinates: [104.2, 0.7] }), new Point({ coordinates: [100.2, 0.0] }) ] polygon.addRing(ring)</code></pre> </div> <div class="member"> <h4 class="name" id="clone"> <a class="href-link" href="#clone">#</a> <span class="code-name" id="clone" style="font-size:30px"> clone<span class="signature">()</span> </span> </h4> <div class="description"> <p>克隆几何对象</p> </div> <dl class="details"> <dt class="tag-overrides">Overrides:</dt> <dd class="tag-overrides"><ul class="dummy"><li> <a href="Geometry.html#clone">Geometry#clone</a> </li></ul></dd> </dl> <div class='columns method-parameter'> <div class="column is-2"><label>返回值</label></div> <div class="column is-10"> <div class="columns"> <div class='param-desc column is-7'><p>克隆后的几何对象</p></div> <div class='column is-5 has-text-left'> <label>类型: </label> <span class="param-type"> <a link="Geometry.html" onclick="getTypeHTML(event)" href="Geometry.html">Geometry</a> </span> </div> </div> </div> </div> </div> <div class="member"> <h4 class="name" id="contains"> <a class="href-link" href="#contains">#</a> <span class="code-name" id="contains" style="font-size:30px"> contains<span class="signature">(point)</span> </span> </h4> <div class="description"> <p>检查输入点是否在多边形内。多边形线上的一个点被认为是内部</p> </div> <h4>参数</h4> <div class="table-container"> <table class="params table"> <thead> <tr> <th>名称</th> <th>类型</th> <th class="last">描述</th> </tr> </thead> <tbody> <tr class="deep-level-0"> <td class="name"><code>point</code></td> <td class="type"> <span class="param-type"> <a link="Point.html" onclick="getTypeHTML(event)" href="Point.html">Point</a> </span> </td> <td class="description last"><p>用于测试是否包含在测试多边形中的点</p></td> </tr> </tbody> </table> </div> <dl class="details"> </dl> <div class='columns method-parameter'> <div class="column is-2"><label>返回值</label></div> <div class="column is-10"> <div class="columns"> <div class='param-desc column is-7'><p>如果该点位于多边形内,则返回true</p></div> <div class='column is-5 has-text-left'> <label>类型: </label> <span class="param-type"> Boolean </span> </div> </div> </div> </div> <h5>示例</h5> <p class="code-caption"><h7 id='contains'>检查输入点是否在多边形内</h7></p> <pre class="prettyprint"><code>// ES5引入方式 const { Polygon, Point } = zondy.geometry // ES6引入方式 import { Polygon, Point } from "@mapgis/webclient-common" const polygon = new Polygon({ coordinates:[ // 外圈 [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ] ] }) const point = new Point({ coordinates: [100.0, 0.0] }) const isOnPolygon = polygon.contains(point)</code></pre> </div> <div class="member"> <h4 class="name" id="fromGeoJSON"> <a class="href-link" href="#fromGeoJSON">#</a> <span class="code-name" id="fromGeoJSON" style="font-size:30px"> fromGeoJSON<span class="signature">(GeoJSON)</span> </span> </h4> <div class="description"> <p>导入GeoJSON</p> </div> <h4>参数</h4> <div class="table-container"> <table class="params table"> <thead> <tr> <th>名称</th> <th>类型</th> <th class="last">描述</th> </tr> </thead> <tbody> <tr class="deep-level-0"> <td class="name"><code>GeoJSON</code></td> <td class="type"> <span class="param-type"> Object </span> </td> <td class="description last"><p>Object</p></td> </tr> </tbody> </table> </div> <dl class="details"> <dt class="inherited-from">Inherited From:</dt> <dd class="inherited-from"><ul class="dummy"><li> <a goto="fromGeoJSON" link="Geometry.html" onclick="getTypeHTML(event)" href="Geometry.html#fromGeoJSON">Geometry#fromGeoJSON</a> </li></ul></dd> </dl> </div> <div class="member"> <h4 class="name" id="getGeometryType"> <a class="href-link" href="#getGeometryType">#</a> <span class="code-name" id="getGeometryType" style="font-size:30px"> getGeometryType<span class="signature">()</span> </span> </h4> <div class="description"> <p>获取GeometryModule型</p> </div> <dl class="details"> <dt class="inherited-from">Inherited From:</dt> <dd class="inherited-from"><ul class="dummy"><li> <a goto="getGeometryType" link="Geometry.html" onclick="getTypeHTML(event)" href="Geometry.html#getGeometryType">Geometry#getGeometryType</a> </li></ul></dd> </dl> <div class='columns method-parameter'> <div class="column is-2"><label>返回值</label></div> <div class="column is-10"> <div class="columns"> <div class='param-desc column is-7'><p>GeometryModule型</p></div> <div class='column is-5 has-text-left'> <label>类型: </label> <span class="param-type"> String </span> </div> </div> </div> </div> </div> <div class="member"> <h4 class="name" id="getIGSType"> <a class="href-link" href="#getIGSType">#</a> <span class="code-name" id="getIGSType" style="font-size:30px"> getIGSType<span class="signature">()</span> </span> </h4> <div class="description"> <p>返回IGS所对应的GeometryModule型<a id='getIGSType'></a></p> </div> <dl class="details"> <dt class="tag-overrides">Overrides:</dt> <dd class="tag-overrides"><ul class="dummy"><li> <a href="Geometry.html#getIGSType">Geometry#getIGSType</a> </li></ul></dd> </dl> <div class='columns method-parameter'> <div class="column is-2"><label>返回值</label></div> <div class="column is-10"> <div class="columns"> <div class='param-desc column is-7'><p>string GeometryModule型</p></div> </div> </div> </div> </div> <div class="member"> <h4 class="name" id="getPoint"> <a class="href-link" href="#getPoint">#</a> <span class="code-name" id="getPoint" style="font-size:30px"> getPoint<span class="signature">(ringIndex, pointIndex)</span> </span> </h4> <div class="description"> <p>根据下标返回指定的点</p> </div> <h4>参数</h4> <div class="table-container"> <table class="params table"> <thead> <tr> <th>名称</th> <th>类型</th> <th class="last">描述</th> </tr> </thead> <tbody> <tr class="deep-level-0"> <td class="name"><code>ringIndex</code></td> <td class="type"> <span class="param-type"> Number </span> </td> <td class="description last"><p>包含所需点的环的下标</p></td> </tr> <tr class="deep-level-0"> <td class="name"><code>pointIndex</code></td> <td class="type"> <span class="param-type"> Number </span> </td> <td class="description last"><p>环内所需点的下标</p></td> </tr> </tbody> </table> </div> <dl class="details"> </dl> <div class='columns method-parameter'> <div class="column is-2"><label>返回值</label></div> <div class="column is-10"> <div class="columns"> <div class='param-desc column is-7'><p>返回位于指定环索引和点索引处的点</p></div> <div class='column is-5 has-text-left'> <label>类型: </label> <span class="param-type"> <a link="Point.html" onclick="getTypeHTML(event)" href="Point.html">Point</a> </span> | <span class="param-type"> null </span> </div> </div> </div> </div> <h5>示例</h5> <p class="c