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GPS转化为百度坐标地图展示

时间:2018-05-17 16:38:24      阅读:44      评论:0      收藏:0      [点我收藏+]

标签:js

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地址:http://lbsyun.baidu.com/jsdemo.htm#c1_3

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
#l-map{height:100%;width:78%;float:left;border-right:2px solid #bcbcbc;}
#r-result{height:100%;width:20%;float:left;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=您的密钥"></script>;
<title>添加多个标注点</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">
var map;
var cell_all=[];
var pointsArr=[];
pointsArr[0] = [];
var pointsIndex=0;
var convertor ;
var m=0;
var n=0;
var s=0;

loadData();
initMap();

//加载坐标点和数据
function loadData(){
//数据坐标点(按顺序输入,格式为 经度,维度 经度,纬度 经纬度用","分隔,没组经纬度数据用" "分隔)
//百度地理坐标
var data="117.206987,31.832292 117.206997,31.8328621 117.2069484,31.8350499 117.2069382,31.8353522 117.20702350000001,31.8359294 117.2072166,31.8364854 117.2074204,31.8377934 117.2074023,31.8387736";

//拆分字符串换格式存储
var latlng=data.split(" ");
m=0;n=0;
convertor = new BMap.Convertor();
for(var i=0;i<latlng.length;i++){   
       var obj=new Object();
       var point = new BMap.Point(parseFloat(latlng[i].split(",")[0]),parseFloat(latlng[i].split(",")[1])); 
       console.log(parseFloat(latlng[i].split(",")[0])+" " +parseFloat(latlng[i].split(",")[1]));
        if(m==10){
            n++;
            m=0;
            pointsArr[n]=new Array();
        }
        if(point.lng != 0 && point.lat != 0){
            pointsArr[n][m++]=point;
        }
}
    convertor.translate(pointsArr[pointsIndex],1,5,translateCallback);   

//高德地图数据处理转换为百度

/ var latlng=data.split("|");
for(var i=0;i<latlng.length;i++){
var obj=new Object();
var parseBaidu=bd_encrypt( parseFloat(latlng[i].split(",")[0]),parseFloat(latlng[i].split(",")[1]));
console.log(parseBaidu);
var point = new BMap.Point(parseBaidu.split(",")[0],parseBaidu.split(",")[1]);
pointsArr.push(point);
obj.longitude=parseBaidu.split(",")[0];
obj.latitude=parseBaidu.split(",")[1];
cell_all.push(obj);
}
/

}

//高德坐标转换为百度坐标
function bd_encrypt(gg_lon, gg_lat){
var X_PI = Math.PI 3000.0 / 180.0;
var x = gg_lon, y = gg_lat;
var z = Math.sqrt(x
x + y y) + 0.00002 Math.sin(y X_PI);
var theta = Math.atan2(y, x) + 0.000003
Math.cos(x X_PI);
var bd_lon = z
Math.cos(theta) + 0.0065;
var bd_lat = z * Math.sin(theta) + 0.006;
return bd_lon +","+bd_lat;
};

function translateCallback(data){
    //alert(data.status);
      if(data.status !=0) {
          map.clearOverlays();
            alert("地图坐标转换出错");
            return;
        }

    //alert(data.points.length);
      for (var i = 0; i < data.points.length; i++) {
          var marker = new BMap.Marker(data.points[i]);
          map.addOverlay(marker);      
            var content=‘<table style="height: 100%;width:100%;overflow:scroll;"><tr> <td>点编号:</td><td>‘
            +s+‘</td></tr>‘           
            +‘<tr><td>经度:</td><td>‘+data.points[i].lng+‘</td></tr>‘
            +‘<tr><td>纬度:</td><td>‘+data.points[i].lat+‘</td></tr>‘                   
            +‘</table>‘
            ;
            s++;            
       addClickHandler(content,marker);
       if(i==data.points.length-1){
          map.panTo(data.points[i]); 
       }
            }
      pointsIndex++;
      if(pointsIndex<pointsArr.length){
        convertor.translate(pointsArr[pointsIndex],1,5,translateCallback);          
      }

  } 

//创建和初始化地图函数:
function initMap(){
createMap();//创建地图
setMapEvent();//设置地图事件
addMapControl();//向地图添加控件
// addMapOverlay();//向地图添加覆盖物
}
//设置中心区域和地图层级
function createMap(){
map = new BMap.Map("allmap");
map.centerAndZoom(new BMap.Point(117.17,31.52),16);

}  
function setMapEvent(){  
    map.enableScrollWheelZoom();  
    map.enableKeyboard();  
    map.enableDragging();  
    map.enableDoubleClickZoom()  
}  
function addClickHandler(target,window){  
    target.addEventListener("click",function(){  
        target.openInfoWindow(window);  
    });  
} 

//按顺序展示连线的方法
function showline(list){    
    var polyline = new BMap.Polyline(list, {strokeColor:"red", strokeWeight:2, strokeOpacity:0.5});   //创建折线
            map.addOverlay(polyline);   //增加折线
}

var opts = {
        width : 200,     // 信息窗口宽度
        height: 160,     // 信息窗口高度
        title : "坐标信息" , // 信息窗口标题
        enableMessage:true//设置允许信息窗发送短息
       };
function addClickHandler(content,marker){
    marker.addEventListener("onmouseover",function(e){
        openInfo(content,e)}
    );
}
function openInfo(content,e){
    var p = e.target;
    var point = new BMap.Point(p.getPosition().lng, p.getPosition().lat);
    var infoWindow = new BMap.InfoWindow(content,opts);  // 创建信息窗口对象 
    map.openInfoWindow(infoWindow,point); //开启信息窗口
}
//向地图添加控件  
function addMapControl(){  
    map.addControl(new BMap.ScaleControl());
    map.addControl(new BMap.MapTypeControl());
    map.addControl(new BMap.NavigationControl()); 

// var overviewControl = new BMap.OverviewMapControl({anchor:BMAP_ANCHOR_BOTTOM_RIGHT,isOpen:true});
// map.addControl(overviewControl);
}

</script>

GPS转化为百度坐标地图展示

标签:js

原文:http://blog.51cto.com/11964104/2117522

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