Harry Wood

home > maps > examples > openlayers > OpenLayers Text File

OpenLayers Text File

Load some markers data from a text file, formatted in a particularl OpenLayers CSV format: textfile.text
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<html>
<head><title>OpenLayers Text File Example</title></head>
<body>
  <div id="mapdiv"></div>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/openlayers/2.11/lib/OpenLayers.js"></script>           
  <script>
    map = new OpenLayers.Map("mapdiv");
    map.addLayer(new OpenLayers.Layer.OSM());
       
    var pois = new OpenLayers.Layer.Text( "My Points",
                    { location:"./textfile.txt",
                      projection: map.displayProjection
                    });
    map.addLayer(pois);
​
    
    //Set start centrepoint and zoom
    //TODO: Is it possible to just zoom to extents of defined markers instead?
    
    var lonLat = new OpenLayers.LonLat( 9.5788, 48.9773 )
          .transform(
            new OpenLayers.Projection("EPSG:4326"), // transform from WGS 1984
            map.getProjectionObject() // to Spherical Mercator Projection
          );
    var zoom=11;
    map.setCenter (lonLat, zoom);  
  </script>
  
</body></html>

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