//document.getElementById("demo").innerHTML='hello baidu map';
  // 百度地图API功能
    var map = new BMap.Map("allmap");            // 创建Map实例

    //添加拖拽和缩放功能
    map.enableScrollWheelZoom(true);
    map.enableDragging();   

    //添加控件和比例尺
    var top_right_control = new BMap.ScaleControl({ anchor: BMAP_ANCHOR_BOTTOM_LEFT });// 左下角，添加比例尺
    var top_right_navigation = new BMap.NavigationControl({ anchor: BMAP_ANCHOR_BOTTOM_LEFT });  //左下角，添加默认缩放平移控件

    map.addControl(top_right_control);
    map.addControl(top_right_navigation);


    //添加地图类型
    var mapType1 = new BMap.MapTypeControl({ mapTypes: [BMAP_NORMAL_MAP, BMAP_HYBRID_MAP] });
    var mapType2 = new BMap.MapTypeControl({ anchor: BMAP_ANCHOR_TOP_LEFT });

    //添加地图类型和缩略图
   
    map.addControl(mapType1);          //2D图，卫星图
    map.addControl(mapType2);          //左上角，默认地图控件

    var drawtrail = 0;

    var grotation = 0;


    //创建点
    //map.clearOverlays();
    var point = new BMap.Point(117.355, 39.066);
    var markerCur = new BMap.Marker(point);
    var markerObj = new BMap.Marker(point);
    var havepointlast = 0;
    var pointlast = new BMap.Point(116,39);
    var pointobj = new BMap.Point(116,39);
    var bobjset = 0;
    var gtracelist = []; 
    var gtraceraw = [];
    var tracenow = 0;
    var tracenum = 0;
    map.centerAndZoom(point, 18);
    var convertor = new BMap.Convertor();
    var polylineTrace;
/*
    var polylineTrace =new BMap.Polyline(gtracelist, {
    enableEditing: false,//是否启用线编辑，默认为false
    enableClicking: false,//是否响应点击事件，默认为true
    strokeWeight:'4',//折线的宽度，以像素为单位
    strokeOpacity: 0.8,//折线的透明度，取值范围0 - 1
    strokeColor:"red" //折线颜色
    });*/
    //var marker = new BMap.Marker(point);  // 创建标注
    //map.addOverlay(marker);               // 将标注添加到地图中
    
    //根据IP定位城市
    function myFun(result) {
        var cityName = result.name;
        map.setCenter(cityName);
    }
    var myCity = new BMap.LocalCity();
    myCity.get(myFun);

	var icon = new BMap.Icon('car.png',new BMap.Size(15,30));
        icon.imageSize = new BMap.Size(15,30);
        icon.anchor = new BMap.Size(8,15);
        

    //showalert(testmsg);

    //对传入的经纬度进行标注：纬度，经度
   // var Latt = 116.404;
   // var Lott = 39.915;

   // theLocation(Latt, Lott);
   // testAlert();

    function SetDrawTrail(x)
   {
	
	if(x == 1)drawtrail = 1;
	else drawtrail = 0;
   }    


    function clear()
    {
	gtracelist = [];
    }

   
        // 用经纬度设置地图中心点
    function objLocation(Longitude,Latitude) {

        var gpsPoint = new BMap.Point(Longitude, Latitude);

	var pointArr = [];
	pointArr.push(gpsPoint);
        convertor.translate(pointArr, 1, 5, translateCallbackobj)
        //gps坐标纠偏
 //       BMap.Convertor.translate(gpsPoint, 0, translateCallbackobj);     //真实经纬度转成百度坐标


    }

    // 用经纬度设置地图中心点
    function theLocation(Longitude,Latitude,rotation) {
        
        grotation = rotation;
        var gpsPoint = new BMap.Point(Longitude, Latitude);

        //gps坐标纠偏


var pointArr = [];
pointArr.push(gpsPoint);
        convertor.translate(pointArr, 1, 5, translateCallback)
//convertor.translate(gpsPoint, 0, translateCallback);     //真实经纬度转成百度坐标
 //       BMap.Convertor.translate(gpsPoint, 0, translateCallback);     //真实经纬度转成百度坐标


            //map.clearOverlays();
            //var new_point = new BMap.Point(Longitude,Latitude );
            //var marker = new BMap.Marker(new_point);  // 创建标注
            //map.addOverlay(marker);              // 将标注添加到地图中
            //map.panTo(new_point);
            //marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画

    }


function settrace(numlist,num2list)                    //仅把qt传来的数组转换成可用的list
{
    //alert(numlist);
    var num_list,num2_list;                         //以下为格式转换，分割成可用的数组
    num_list = numlist.substring(1,numlist.length-1);
    num2_list = num2list.substring(1,num2list.length-1);
    num_list = num_list.split(",");
    num2_list = num2_list.split(",");
    //alert("the num_list is: "+num_list[0]+" "+num_list[1]);

    
    gtraceraw = [];
    gtracelist = [];
    for(i=0;i<num_list.length;i++)
    {
        point= new BMap.Point(num_list[i],num2_list[i]);
        gtraceraw.push(point);                                  
    }
    tracenum = num_list.length;
    tracenow = 0;

    setTimeout("converttrace()", 30);// 调用画轨迹的函数

    
}

function converttrace() 
{
    var tracelist = [];     //为轨迹做准备，把所有的点扔里面，但不对每个点标注
    var index = 0;
    for(i=tracenow;i<tracenum;i++)
    {
	tracelist.push(gtraceraw[i]);
	index++;
	if(index>=10)break;
    }
    if(index>0)
    {
	
        convertor.translate(tracelist, 1,5,translateCallbacktrace);     //真实经纬度转成百度坐标
     }

}


translateCallbacktrace = function (data){
      if(data.status == 0) {
        for (var i = 0; i < data.points.length; i++) {
	gtracelist.push(data.points[i]);
        }
	tracenow = tracenow + data.points.length;
      }

    map.removeOverlay(polylineTrace);
    polylineTrace =new BMap.Polyline(gtracelist, {
    enableEditing: false,//是否启用线编辑，默认为false
    enableClicking: false,//是否响应点击事件，默认为true
    strokeWeight:'4',//折线的宽度，以像素为单位
    strokeOpacity: 0.8,//折线的透明度，取值范围0 - 1
    strokeColor:"red" //折线颜色
    });
    map.addOverlay(polylineTrace);          //增加折线
      setTimeout("converttrace()", 250);// 调用画轨迹的函数
	
}




    // 用经纬度设置地图中心点
    function testAlert(msg) {

        var str = new String;
        str =  msg.toString()
       // str = "test"

        alert(str);
    }

    function enableZoomDrag()
    {
        //添加拖拽和缩放功能
        map.enableScrollWheelZoom(true);
        map.enableDragging();
    }

        //坐标转换完之后的回调函数
    translateCallbackmap = function (point) {

	gtracelist.push(point);       
 //       map.setCenter(point);
      //  marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画
    }

        //坐标转换完之后的回调函数
    translateCallbacktr = function (point) {

	gtracelist.push(point);       
 //       map.setCenter(point);
      //  marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画
    }

    //坐标转换完之后的回调函数
    translateCallbackobj = function (data) {
	if(data.status === 0) {
         var point = data.points[0];
	pointobj = point;
	bobjset = 1;
 //       map.clearOverlays();
	map.removeOverlay(markerObj);
        markerObj = new BMap.Marker(point);

        map.addOverlay(markerObj);
	}

 //       map.setCenter(point);
      //  marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画
    }


    //坐标转换完之后的回调函数
    translateCallback = function (data) {

if(data.status === 0) {
         var point = data.points[0]
        map.removeOverlay(markerCur);
        markerCur = new BMap.Marker(point);
        if(havepointlast == 1)
	{
		if(drawtrail == 1)
		{
		var line = new BMap.Polyline([pointlast, point], {strokeColor: "green", strokeWeight: 1, strokeOpacity: 1});
		map.addOverlay(line);  
		line.disableMassClear();
		}
	}
        pointlast = point;
        havepointlast = 1;

	markerCur.setOffset(-30,-30);
	markerCur.setIcon(icon); 
	markerCur.setShadow(icon) 
	markerCur.setRotation(grotation);
        map.addOverlay(markerCur);
        map.setCenter(point);
      }
//	return;
//        map.clearOverlays();

/*
	if(bobjset == 1)
	{
		map.removeOverlay(markerObj);
        	markerObj = new BMap.Marker(pointobj);

        	map.addOverlay(markerObj);
	}

*/

      //  marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画
    }