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EPSG:4326


This example shows how to create a map in EPSG:4326.
这个例子用来展示如何使用EPSG:4326的投影来创建地图。

代码:

<!DOCTYPE html>
<html>
  <head>
    <title>EPSG:4326</title>
    <link rel="stylesheet" href="https://openlayers.org/en/v4.2.0/css/ol.css" type="text/css">
    <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
    <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>
    <script src="https://openlayers.org/en/v4.2.0/build/ol.js"></script>
  </head>
  <body>
    <div id="map" class="map"></div>
    <script>
      var layers = [
        new ol.layer.Tile({
          source: new ol.source.TileWMS({
            url: 'https://ahocevar.com/geoserver/wms',
            params: {
              'LAYERS': 'ne:NE1_HR_LC_SR_W_DR',
              'TILED': true
            }
          })
        })
      ];

      var map = new ol.Map({
        controls: ol.control.defaults().extend([
          new ol.control.ScaleLine({
            units: 'degrees'
          })
        ]),
        layers: layers,
        target: 'map',
        view: new ol.View({
          // 设置投影为EPSG:4326
          projection: 'EPSG:4326',
          center: [0, 0],
          zoom: 2
        })
      });
    </script>
  </body>
</html>

转载自:https://blog.csdn.net/SmileCoffin/article/details/73966675