[JS] - 玩转微软Bing地图

来源:http://www.javaeye.com/topic/647566

 

[JS] - 玩转微软Bing地图

 

 

  
    
<! 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=6.2" ></ 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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