provelink">[source]</a>
        
    
    <!-- 
        <a target="_blank" href="https://github.com/maptalks/maptalks.js/tree/master/src/geo/CRS.js#L6" class="improvelink">[help to improve]</a>
     -->
    <!-- <a href="#CRS" class="improvelink">[link]</a> -->
    </h4>

    
    







<!--  -->




    

<table class="params">
    <thead>
    <tr>
        
        <th>Parameter</th>
        
        <th>Type</th>

        

        <th class="last">Description</th>
  