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VEBirdseyeScene.ContainsPixel Method

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Determines whether a specified pixel is within the current VEBirdseyeScene object.


VEBirdseyeScene.ContainsPixel(x, y, zoomLevel);

Parameters

Parameter Description

x

The X component of the pixel

y

The Y component of the pixel

zoomLevel

The current zoom level of the map

A Boolean value. True if the specified pixel is within the bounds of the VEBirdseyeScene object.

The pixel location is relative to the scene, not the current view.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
   <head>
      <title></title>
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

      <script type="text/javascript" src="http://ecn.dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=6.3"></script>

      <script type="text/javascript">
         var map = null;

         var LA = new VELatLong(34.0540, -118.2370);

         var pinPoint = null;
         var pinPixel = null;
                  
         function GetMap()
         {
            map = new VEMap('myMap');
            map.LoadMap(LA, 14, VEMapStyle.Road, false, VEMapMode.Mode2D, true, 1);

            AddPin();
         }

         function getInfo()
         {
            var info;

            if (map.IsBirdseyeAvailable())
            {
                var be = map.GetBirdseyeScene();

                info  = "ID: "          + be.GetID() + "\n";
                info += "orientation: " + be.GetOrientation()+ "\n";
                info += "height: "      + be.GetHeight() + "\n";
                info += "width: "       + be.GetWidth() + "\n";

                var pixel = be.LatLongToPixel(map.GetCenter(), map.GetZoomLevel());

                info += "LatLongToPixel: " + pixel.x + ", " + pixel.y + "\n";

                // Check to see if the current birdseye view contains the pushpin pixel point.
                info += "contains pixel " + pinPixel.x + ", " + pinPixel.y + ": " + 
                        be.ContainsPixel(pinPixel.x, pinPixel.y, map.GetZoomLevel()) + "\n";
                
                // Check to see if the current view contains the pushpin LatLong.
                info += "contains latlong " + pinPoint + ": " + be.ContainsLatLong(pinPoint) + "\n";
                
                // This method may return null, depending on the selected view and map style.
                info += "latlong: " + map.PixelToLatLong(pixel);

                alert(info);
            }
            else
            {
                var center = map.GetCenter();

                info  = "Zoom level:\t" + map.GetZoomLevel() + "\n";
                info += "Latitude:\t"   + center.Latitude    + "\n";
                info += "Longitude:\t"  + center.Longitude;

                alert(info);
            }
         }
         
         function AddPin()
         {
            // Add a new pushpin to the center of the map.
            pinPoint = map.GetCenter();
            pinPixel = map.LatLongToPixel(pinPoint);
            map.AddPushpin(pinPoint);
         }
      </script>
   </head>
   <body onload="GetMap();">
      <div id='myMap' style="position:relative; width:400px; height:400px;"></div>
       <input id="btnGetInfo" type="button" value="Get Scene Information" name="getinfo" onclick="getInfo();">
       <br/>
        (zoom out 5 clicks to get latitude/longitude and zoom level)
   </body>
</html>

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