@mapgis/webclient-common/documention/Projection.html

mapgis ES6 format for igserver

<header id="page-title" class="page-title">
    
        <span class="page-title-main">类名</span>
        <span class="page-title-sub">Projection</span>
    
</header>





<section>

<article>
    <div class="container-overview">
    
        
            <div class='vertical-section'>
                <div class="members">
                    <div class="member">
                        


    
    <h4 class="name" id="Projection">
        <a class="href-link" href="#Projection">#</a>
        
        <span class="code-name" id="Projection" style="font-size:30px">
            
                new Projection<span class="signature">()</span>
            
        </span>
    </h4>
    

    
    <div class="description">
        <p>投影转换工具</p>
    </div>
    













<dl class="details">

    

    

    

    

    

    

    

    

    

    

    

    
    

    

    

    
</dl>
























                    </div>
                </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="#getProj">getProj</a></code></td>
                                <td class="name">
                                    <code>
                                        
                                                
<span class="param-type">
    
             *
    
</span>



                                            
                                    </code>
                                </td>
                                <td class="name"><code></code></td>
                            </tr>
                        
                            <tr class="deep-level-0">
                                <td class="name"><code><a href="#isCustomWKID">isCustomWKID</a></code></td>
                                <td class="name">
                                    <code>
                                        
                                                
<span class="param-type">
    
             Boolean
    
</span>



                                            
                                    </code>
                                </td>
                                <td class="name"><code><p>是否为自定义wkid</p></code></td>
                            </tr>
                        
                            <tr class="deep-level-0">
                                <td class="name"><code><a href="#project">project</a></code></td>
                                <td class="name">
                                    <code>
                                        
                                                
<span class="param-type">
    
             <a link="Geometry.html" onclick="getTypeHTML(event)" href="Geometry.html">Geometry</a>
    
</span>
|

<span class="param-type">
    
         Array.&lt;<a onclick="getTypeHTML(event)" link="Geometry.html">Geometry</a>>
    
</span>



                                            
                                    </code>
                                </td>
                                <td class="name"><code><p>将几何对象投影到指定坐标系中</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=".getProj">
        <a class="href-link" href="#.getProj">#</a>
        
            
                <span class='tag'>static</span>
            
        
        <span class="code-name" id="getProj" style="font-size:30px">
            
                getProj<span class="signature">(crsDefinition, def)</span>
            
        </span>
    </h4>
    

    









    <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>crsDefinition</code></td>
  

  <td class="type">
  
      
<span class="param-type">
    
             *
    
</span>



  
  </td>

  

  <td class="description last"></td>
</tr>



        

            
<tr class="deep-level-0">
  
      <td class="name"><code>def</code></td>
  

  <td class="type">
  
      
<span class="param-type">
    
             *
    
</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='column is-5 has-text-left'>
        <label>类型: </label>
        
<span class="param-type">
    
             *
    
</span>



    </div>
    
</div>

                
        </div>
    </div>






</div>
            
                <div class="member">


    
    <h4 class="name" id=".isCustomWKID">
        <a class="href-link" href="#.isCustomWKID">#</a>
        
            
                <span class='tag'>static</span>
            
        
        <span class="code-name" id="isCustomWKID" style="font-size:30px">
            
                isCustomWKID<span class="signature">(wkid)</span>
            
        </span>
    </h4>
    

    
    <div class="description">
        <p>是否为自定义wkid</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>wkid</code></td>
  

  <td class="type">
  
      
<span class="param-type">
    
             Number
    
</span>



  
  </td>

  

  <td class="description last"><p>自定义wkid</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>是否为自定义wkid</p></div>
    
    
    <div class='column is-5 has-text-left'>
        <label>类型: </label>
        
<span class="param-type">
    
             Boolean
    
</span>



    </div>
    
</div>

                
        </div>
    </div>






</div>
            
                <div class="member">


    
    <h4 class="name" id=".project">
        <a class="href-link" href="#.project">#</a>
        
            
                <span class='tag'>static</span>
            
        
        <span class="code-name" id="project" style="font-size:30px">
            
                project<span class="signature">(geometry, outSpatialReference)</span>
            
        </span>
    </h4>
    

    
    <div class="description">
        <p>将几何对象投影到指定坐标系中</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>geometry</code></td>
  

  <td class="type">
  
      
<span class="param-type">
    
             <a link="Geometry.html" onclick="getTypeHTML(event)" href="Geometry.html">Geometry</a>
    
</span>
|

<span class="param-type">
    
         Array.&lt;geometry>
    
</span>



  
  </td>

  

  <td class="description last"><p>要投影的几何或几何数组</p></td>
</tr>



        

            
<tr class="deep-level-0">
  
      <td class="name"><code>outSpatialReference</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="description last"><p>目标参考系</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>投影后的几何对象</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>
|

<span class="param-type">
    
         Array.&lt;<a onclick="getTypeHTML(event)" link="Geometry.html">Geometry</a>>
    
</span>



    </div>
    
</div>

                
        </div>
    </div>






    <h5>示例</h5>
    
        <p class="code-caption"><h7>将3857坐标系的点转为4326坐标系的点</h7></p>
    
    
        <pre class="prettyprint"><code>const projectedGeometry = zondy.geometry.Projection.project(
  new zondy.geometry.Extent({
    xmin: 12062959.621822732,
    ymin: 3379793.138124517,
    xmax: 12927637.10614421,
    ymax: 3931626.287996913,
    spatialReference: new zondy.SpatialReference({
      wkid: 3857
    })
  }),
  new zondy.SpatialReference({
    wkid: 4326
  })
)</code></pre>
    

        <p class="code-caption"><h7>将未收录的坐标系的点转为4326坐标系的点</h7></p>
    
    
        <pre class="prettyprint"><code>const projectedGeometry = zondy.geometry.Projection.project(
  new zondy.geometry.Extent({
    xmin: -45257.10778559791,
    ymin: 3212885.1836444484,
    xmax: 705989.8953363781,
    ymax: 3691623.86404564,
    spatialReference: new zondy.SpatialReference({
      wkid: 4547,
      wkt: '+proj=tmerc +lat_0=0 +lon_0=114 +k=1 +x_0=500000 +y_0=0 +ellps=GRS80 +units=m +no_defs'
    })
  }),
  new zondy.SpatialReference({
    wkid: 4326
  })
)</code></pre>
    


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