<%@ page contentType="text/html;charset=UTF-8" language="java" %>
|
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
|
<!DOCTYPE html>
|
<head>
|
<meta charset="utf-8"/>
|
<title></title>
|
<script type="text/javascript"
|
src="http://api.map.baidu.com/api?v=2.0&ak=rER1sgBIcQxkfNSlm2wmBGZGgEERrooM"></script>
|
<script type="text/javascript" src="/js/jquery.min.js"></script>
|
</head>
|
<style type="text/css">
|
body,
|
html,
|
#mapCanvas {
|
width: 100%;
|
height: 100%;
|
overflow: hidden;
|
margin: 0;
|
z-index: 0;
|
font-size: 14px;
|
font-family: "微软雅黑";
|
}
|
|
.main_body {
|
border: 0;
|
margin: 0;
|
width: 100%;
|
height: 100%;
|
position: relative;
|
}
|
|
* {
|
margin: 0;
|
padding: 0;
|
list-style: none;
|
}
|
|
#cpm {
|
width: 300px;
|
height: 100px;
|
position: absolute;
|
background-color: #ffffff;
|
display: none;
|
left: 50%;
|
top: 50%;
|
margin-left: -150px;
|
margin-top: -50px;
|
z-index: 11;
|
color: #000000;
|
border: 2px solid #FF7F50;
|
font-size: 28px;
|
line-height: 100px;
|
text-align: center;
|
}
|
|
.BMap_top {
|
display: none;
|
}
|
|
.BMap_center {
|
display: none;
|
}
|
|
.BMap_bubble_title {
|
color: white;
|
padding: 0 5px 0 5px;
|
background-color: #2DA0EB;
|
}
|
|
.BMap_bubble_content {
|
background-color: white;
|
padding: 5px;
|
}
|
|
.BMap_pop > img {
|
top: 42px !important;
|
margin-left: -10px;
|
}
|
|
.BMap_pop div:nth-child(1) div {
|
display: none;
|
}
|
|
.BMap_pop div:nth-child(3) {
|
display: none;
|
}
|
|
.BMap_pop div:nth-child(5) {
|
display: none;
|
}
|
|
.BMap_pop div:nth-child(7) {
|
display: none;
|
}
|
|
.BMap_pop div:nth-child(9) {
|
top: 35px !important;
|
border-radius: 5px;
|
}
|
|
</style>
|
|
<body>
|
<div class="main_body">
|
<div id="cpm">查无走航车轨迹</div>
|
<div id="mapCanvas"></div> <!-- 百度地图 -->
|
<!-- 传sensorInfo,regionCode,regionName,monitorPoint,device-->
|
<div id="carTrajectoryParams" style="display: none;">
|
${requestScope.carTrajectoryParams}
|
</div>
|
</div>
|
</body>
|
</html>
|
|
<script type="text/javascript">
|
var moralMap = {};
|
var GPS = {
|
PI: 3.14159265358979324,
|
x_pi: 3.14159265358979324 * 3000.0 / 180.0,
|
delta: function (lat, lon) {
|
var a = 6378245.0; // a: 卫星椭球坐标投影到平面地图坐标系的投影因子。
|
var ee = 0.00669342162296594323; // ee: 椭球的偏心率。
|
var dLat = this.transformLat(lon - 105.0, lat - 35.0);
|
var dLon = this.transformLon(lon - 105.0, lat - 35.0);
|
var radLat = lat / 180.0 * this.PI;
|
var magic = Math.sin(radLat);
|
magic = 1 - ee * magic * magic;
|
var sqrtMagic = Math.sqrt(magic);
|
dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * this.PI);
|
dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * this.PI);
|
return {'lat': dLat, 'lon': dLon};
|
},
|
|
//WGS-84 to GCJ-02
|
gcj_encrypt: function (wgsLat, wgsLon) {
|
if (this.outOfChina(wgsLat, wgsLon))
|
return {'lat': wgsLat, 'lon': wgsLon};
|
|
var d = this.delta(wgsLat, wgsLon);
|
return {'lat': wgsLat + d.lat, 'lon': wgsLon + d.lon};
|
},
|
//GCJ-02 to WGS-84
|
gcj_decrypt: function (gcjLat, gcjLon) {
|
if (this.outOfChina(gcjLat, gcjLon))
|
return {'lat': gcjLat, 'lon': gcjLon};
|
|
var d = this.delta(gcjLat, gcjLon);
|
return {'lat': gcjLat - d.lat, 'lon': gcjLon - d.lon};
|
},
|
//GCJ-02 to WGS-84 exactly
|
gcj_decrypt_exact: function (gcjLat, gcjLon) {
|
var initDelta = 0.01;
|
var threshold = 0.000000001;
|
var dLat = initDelta, dLon = initDelta;
|
var mLat = gcjLat - dLat, mLon = gcjLon - dLon;
|
var pLat = gcjLat + dLat, pLon = gcjLon + dLon;
|
var wgsLat, wgsLon, i = 0;
|
while (1) {
|
wgsLat = (mLat + pLat) / 2;
|
wgsLon = (mLon + pLon) / 2;
|
var tmp = this.gcj_encrypt(wgsLat, wgsLon)
|
dLat = tmp.lat - gcjLat;
|
dLon = tmp.lon - gcjLon;
|
if ((Math.abs(dLat) < threshold) && (Math.abs(dLon) < threshold))
|
break;
|
|
if (dLat > 0) pLat = wgsLat; else mLat = wgsLat;
|
if (dLon > 0) pLon = wgsLon; else mLon = wgsLon;
|
|
if (++i > 10000) break;
|
}
|
//console.log(i);
|
return {'lat': wgsLat, 'lon': wgsLon};
|
},
|
//GCJ-02 to BD-09
|
bd_encrypt: function (gcjLat, gcjLon) {
|
var x = gcjLon, y = gcjLat;
|
var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * this.x_pi);
|
var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * this.x_pi);
|
bdLon = z * Math.cos(theta) + 0.0065;
|
bdLat = z * Math.sin(theta) + 0.006;
|
return {'lat': bdLat, 'lon': bdLon};
|
},
|
//BD-09 to GCJ-02
|
bd_decrypt: function (bdLat, bdLon) {
|
var x = bdLon - 0.0065, y = bdLat - 0.006;
|
var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * this.x_pi);
|
var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * this.x_pi);
|
var gcjLon = z * Math.cos(theta);
|
var gcjLat = z * Math.sin(theta);
|
return {'lat': gcjLat, 'lon': gcjLon};
|
},
|
//WGS-84 to Web mercator
|
//mercatorLat -> y mercatorLon -> x
|
mercator_encrypt: function (wgsLat, wgsLon) {
|
var x = wgsLon * 20037508.34 / 180.;
|
var y = Math.log(Math.tan((90. + wgsLat) * this.PI / 360.)) / (this.PI / 180.);
|
y = y * 20037508.34 / 180.;
|
return {'lat': y, 'lon': x};
|
},
|
// Web mercator to WGS-84
|
// mercatorLat -> y mercatorLon -> x
|
mercator_decrypt: function (mercatorLat, mercatorLon) {
|
var x = mercatorLon / 20037508.34 * 180.;
|
var y = mercatorLat / 20037508.34 * 180.;
|
y = 180 / this.PI * (2 * Math.atan(Math.exp(y * this.PI / 180.)) - this.PI / 2);
|
return {'lat': y, 'lon': x};
|
},
|
// two point's distance
|
distance: function (latA, lonA, latB, lonB) {
|
var earthR = 6371000.;
|
var x = Math.cos(latA * this.PI / 180.) * Math.cos(latB * this.PI / 180.) * Math.cos((lonA - lonB) * this.PI / 180);
|
var y = Math.sin(latA * this.PI / 180.) * Math.sin(latB * this.PI / 180.);
|
var s = x + y;
|
if (s > 1) s = 1;
|
if (s < -1) s = -1;
|
var alpha = Math.acos(s);
|
var distance = alpha * earthR;
|
return distance;
|
},
|
outOfChina: function (lat, lon) {
|
if (lon < 72.004 || lon > 137.8347)
|
return true;
|
if (lat < 0.8293 || lat > 55.8271)
|
return true;
|
return false;
|
},
|
transformLat: function (x, y) {
|
var ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * Math.sqrt(Math.abs(x));
|
ret += (20.0 * Math.sin(6.0 * x * this.PI) + 20.0 * Math.sin(2.0 * x * this.PI)) * 2.0 / 3.0;
|
ret += (20.0 * Math.sin(y * this.PI) + 40.0 * Math.sin(y / 3.0 * this.PI)) * 2.0 / 3.0;
|
ret += (160.0 * Math.sin(y / 12.0 * this.PI) + 320 * Math.sin(y * this.PI / 30.0)) * 2.0 / 3.0;
|
return ret;
|
},
|
transformLon: function (x, y) {
|
var ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * Math.sqrt(Math.abs(x));
|
ret += (20.0 * Math.sin(6.0 * x * this.PI) + 20.0 * Math.sin(2.0 * x * this.PI)) * 2.0 / 3.0;
|
ret += (20.0 * Math.sin(x * this.PI) + 40.0 * Math.sin(x / 3.0 * this.PI)) * 2.0 / 3.0;
|
ret += (150.0 * Math.sin(x / 12.0 * this.PI) + 300.0 * Math.sin(x / 30.0 * this.PI)) * 2.0 / 3.0;
|
return ret;
|
}
|
};
|
|
var mapStyle = {
|
features: ["road", "building", "water", "land"], // 隐藏地图上的poi
|
style: "normal" // 设置地图风格为高端黑
|
};
|
var params = $.parseJSON($("#carTrajectoryParams").html());
|
var sensorInfo = params["sensorInfo"];
|
var sensorsMap = params['sensorsMap'];
|
//var map = new BMap.Map("mapCanvas", defaultParam);
|
var map = new BMap.Map("mapCanvas", {enableMapClick: false});
|
map.setMapStyle(mapStyle);
|
map.enableScrollWheelZoom(true); // 开启鼠标滚轮缩放
|
var navigation = new BMap.NavigationControl({
|
anchor: BMAP_ANCHOR_BOTTOM_RIGHT,
|
type: BMAP_NAVIGATION_CONTROL_LARGE
|
});
|
map.addControl(navigation);
|
map.addControl(new BMap.ScaleControl());
|
if (sensorInfo.length == 0) {
|
showNoFlightTrajectory();
|
}
|
var trackPoints = []; //用来存放从后台获取到的所有历史轨迹点的数据
|
if (sensorInfo.length > 0) {
|
$.each(sensorInfo, function (item, value) {
|
if (typeof (value.e76) == "undefined") {
|
showNoFlightTrajectory();
|
} else {
|
var lon = parseFloat(value.e76.substr(0, value.e76.length - 1));
|
var lat = parseFloat(value.e77.substr(0, value.e77.length - 1));
|
var lon1 = GPS.gcj_encrypt(lat, lon).lon;
|
var lat1 = GPS.gcj_encrypt(lat, lon).lat;
|
var lon2 = GPS.bd_encrypt(lat1, lon1).lon;
|
var lat2 = GPS.bd_encrypt(lat1, lon1).lat;
|
trackPoints.push(new BMap.Point(lon2, lat2));
|
}
|
})
|
map.centerAndZoom(trackPoints, 13);// 根据经纬度显示地图的范围
|
map.setViewport(trackPoints);// 根据提供的地理区域或坐标设置地图视野
|
addStartMarker(new BMap.Point(trackPoints[0].lng, trackPoints[0].lat), '起点', map);
|
var carMk;
|
//小车行驶图标
|
var drivingPoint = new BMap.Icon('/img/car.png', new BMap.Size(52, 26));
|
//终点图标
|
var terminalPoint = new BMap.Icon('/img/end.png', new BMap.Size(48, 48));
|
var i = 0;
|
var interval = setInterval(function () {
|
if (i >= trackPoints.length) {
|
clearInterval(interval);
|
return;
|
}
|
var pm2_5 = sensorInfo[i].e1.substr(0, sensorInfo[i].e1.length - 5);
|
var traceColor;
|
if (pm2_5 <= 35) {
|
traceColor = "#00EB5E";
|
} else if (pm2_5 > 35 && pm2_5 <= 115) {
|
traceColor = "#FFF000";
|
} else if (pm2_5 > 115 && pm2_5 <= 150) {
|
traceColor = "#FF8400";
|
} else if (pm2_5 > 150) {
|
traceColor = "#FF0000";
|
}
|
drowLine(map, trackPoints[i], trackPoints[i + 1], traceColor);//画线调用
|
i = i + 1;
|
}, 250);
|
}
|
|
//添加起始图标
|
function addStartMarker(point, name, mapInit) {
|
if (name == "起点") {
|
var myIcon = new BMap.Icon("/img/start.png", new BMap.Size(48, 48));
|
window.marker = new BMap.Marker(point, {icon: myIcon, offset: new BMap.Size(0, -20)});
|
mapInit.addOverlay(marker);
|
}
|
}
|
|
// 划线
|
function drowLine(map, PointArr, PointArrNext, traceColor) {
|
if (PointArrNext != undefined) {
|
var polyline = new BMap.Polyline(
|
[
|
new BMap.Point(PointArr.lng, PointArr.lat),
|
new BMap.Point(PointArrNext.lng, PointArrNext.lat)
|
],
|
{
|
strokeColor: traceColor,
|
strokeWeight: 4,
|
strokeOpacity: 1
|
}); //创建折线
|
map.addOverlay(polyline);
|
addMarkerEnd(new BMap.Point(PointArrNext.lng, PointArrNext.lat), '小车行驶', map, PointArrNext, new BMap.Point(PointArr.lng, PointArr.lat));//添加图标
|
} else {
|
addMarkerEnd(new BMap.Point(PointArr.lng, PointArr.lat), '终点', map);//添加终点图标
|
}
|
}
|
|
//添加行驶和终点图标
|
function addMarkerEnd(point, name, mapInit, trackUnit, prePoint) {
|
if (name == "小车行驶") {
|
if (carMk) {//先判断第一次进来的时候这个值有没有定义，有的话就清除掉上一次的。然后在进行画图标。第一次进来时候没有定义也就不走这块，直接进行画图标
|
mapInit.removeOverlay(carMk);
|
}
|
carMk = new BMap.Marker(point, {icon: drivingPoint}); // 创建标注
|
carMk.setRotation(trackUnit.route);//trackUnit.route
|
//getAngle(point,prePoint);// js求解两点之间的角度
|
carMk.setRotation(getAngle(point, prePoint) - 90);// 旋转的角度
|
mapInit.addOverlay(carMk); // 将标注添加到地图中
|
//carMk.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画
|
} else {
|
mapInit.removeOverlay(carMk);
|
carMk = new BMap.Marker(point, {icon: terminalPoint, offset: new BMap.Size(0, -20)}); // 创建标注
|
mapInit.addOverlay(carMk);
|
}
|
}
|
|
//获得角度的函数
|
function getAngle(n, next) {
|
var ret
|
var w1 = n.lat / 180 * Math.PI
|
var j1 = n.lng / 180 * Math.PI
|
|
var w2 = next.lat / 180 * Math.PI
|
var j2 = next.lng / 180 * Math.PI
|
|
ret = 4 * Math.pow(Math.sin((w1 - w2) / 2), 2) - Math.pow(Math.sin((j1 - j2) / 2) * (Math.cos(w1) - Math.cos(w2)), 2);
|
ret = Math.sqrt(ret);
|
|
// var temp = Math.sin(Math.abs(j1 - j2) / 2) * (Math.cos(w1) + Math.cos(w2));
|
var temp = Math.sin((j1 - j2) / 2) * (Math.cos(w1) + Math.cos(w2));
|
ret = ret / temp;
|
|
ret = Math.atan(ret) / Math.PI * 180;
|
ret += 90;
|
|
// 这里用如此臃肿的if..else是为了判定追踪单个点的具体情况,从而调整ret的值
|
if (j1 - j2 < 0) {
|
// console.log('j1<j2')
|
if (w1 - w2 < 0) {
|
// console.log('w1<w2')
|
ret;
|
} else {
|
// console.log('w1>w2')
|
ret = -ret + 180;
|
}
|
} else {
|
// console.log('j1>j2')
|
if (w1 - w2 < 0) {
|
// console.log('w1<w2')
|
ret = 180 + ret;
|
} else {
|
// console.log('w1>w2')
|
ret = -ret;
|
}
|
}
|
return ret;
|
}
|
|
function showNoFlightTrajectory() {
|
var longitude = 120.987287;
|
var latitude = 31.391562;
|
var point = new BMap.Point(longitude, latitude);
|
map.centerAndZoom(point, 17);
|
setTimeout(function () {
|
document.getElementById("cpm").style.display = 'block';
|
}, 250);
|
};
|
|
</script>
|
