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VEMap.SetCenterAndZoom Method

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Centers the map to a specific latitude and longitude and sets the zoom level.

VEMap.SetCenterAndZoom(VELatLong, zoomLevel);


Parameter Description


A VELatLong Class object that contains the latitude and longitude of the point on which to center the map,


The zoom level for the map. Valid values range from 1 through 19.


The SetCenterAndZoom method returns results faster than if you call both the VEMap.SetCenter Method and the VEMap.SetZoomLevel Method separately.


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

      <script type="text/javascript" src=""></script>

      <script type="text/javascript">
         var map = null;
         var latLong = null;
         var zoomLevel = 3;
         function GetMap()
            map = new VEMap('myMap');


            // zoom to cursor and center

            document.getElementById('txtZoom').value = zoomLevel;
            map.AttachEvent("onclick", GetLatLong);
            latLong = map.GetCenter();
            divInfo.innerHTML = latLong;
         function GetLatLong(e)
            //Get the pixel coordinates from the click event, convert to LatLong value
            var x = e.mapX;
            var y = e.mapY;
            pixel = new VEPixel(x, y);
            latLong = map.PixelToLatLong(pixel);
            divInfo.innerHTML = latLong;
         function SetCenterAndZoom()
            map.SetCenterAndZoom(latLong, zoomLevel);
         function SetCenter()
         function SetZoom()
         function ZoomIn()
            //Increase zoom level by a factor of 1
            document.getElementById('txtZoom').value = map.GetZoomLevel();
         function ZoomOut()
            //Decrease zoom level by a factor of 1
            document.getElementById('txtZoom').value = map.GetZoomLevel();
         function ValidateEntry()
           //Check to make sure zoom level is within range
           if (document.getElementById('txtZoom').value > 0 && document.getElementById('txtZoom').value <= 19)
              zoomLevel = document.getElementById('txtZoom').value;
              alert("Enter a value between 1 and 19.");
   <body onload="GetMap();" style="font-family:Arial">
      <div id='myMap' style="position:relative; width:400px; height:400px;"></div>
      Click the map to select a center point.<br />
      <div id="divInfo">&nbsp;<br /></div>
      Zoom Level: <input id="txtZoom" type="text" value="" onchange="ValidateEntry()"/><br />
      <input id="btnSetCZ" type="button" value="Set Center and Zoom" onclick="SetCenterAndZoom()"><br />
      <input id="btnSetCenter" type="button" value="Set Center" onclick="SetCenter()"><br />
      <input id="btnSetZoom" type="button" value="Set Zoom" onclick="SetZoom()"><br />
      <input id="btnZoomIn" type="button" value="Zoom in by 1" onclick="ZoomIn()">
      <input id="btnZoomOut" type="button" value="Zoom out by 1" onclick="ZoomOut()">

See Also


VEMap.GetCenter Method