js Baidu Maps API to create and modify arc arc arc

Go to Baidu API official website to download CurveLine.min.js, pay attention to copy down the front of the line number of Js want to delete .

  // 百度地图API功能
    var map = new BMap.Map("container");
    map.centerAndZoom(new BMap.Point(118.454, 32.955), 6);
    map.enableScrollWheelZoom();
    var beijingPosition=new BMap.Point(116.432045,39.910683),
        hangzhouPosition=new BMap.Point(120.129721,30.314429),
        taiwanPosition=new BMap.Point(121.491121,25.127053);
    var points = [beijingPosition,hangzhouPosition, taiwanPosition];
    //创建弧线
    var curve = new new BMapLib.CurveLine (Points, {strokeColor is: "Blue", strokeWeight:. 3, strokeOpacity: 0.5 });   
    the Map.addOverlay (Curve); // add to the map 
    curve.enableEditing (); // open editing 
    
    
    // modify the curvature of the idea: 
    // arc is composed of a number of line segments, each segment so the increase in latitude (reduction), we can achieve the effect of changing the arc. 
    = 0.1 BMapLib.changeRad ; 
    lat3 = H2 * Math.sin, (T2) + + LAT1 BMapLib.changeRad; 
    BMapLib.changeRad + = 0.1;