<%@ 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;
|
}
|
</style>
|
|
<body>
|
<div class="main_body">
|
<div id="mapCanvas"></div> <!-- 百度地图 -->
|
<!-- 传sensorInfo,regionCode,regionName,monitorPoint,device-->
|
<div id="uavTrajectoryParams" style="display: none;">
|
${requestScope.uavTrajectoryParams}
|
</div>
|
</div>
|
</body>
|
</html>
|
|
<script type="text/javascript">
|
var moralMap = {};
|
/*var defaultParam = {
|
minZoom: 12,
|
maxZoom: 20
|
};*/
|
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 = $.parseJSON($("#uavTrajectoryParams").html());
|
moralMap['params'] = params;
|
var sensorInfo = params["sensorInfo"];
|
//var map = new BMap.Map("mapCanvas", defaultParam);
|
var map = new BMap.Map("mapCanvas", {enableMapClick: false});
|
map.setCurrentCity("昆山");
|
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());
|
var longitude;
|
var latitude;
|
var point;
|
if (sensorInfo.length == 0) {
|
longitude = 120.987287;
|
latitude = 31.391562;
|
point = new BMap.Point(longitude, latitude);
|
map.centerAndZoom(point, 17);
|
alert("查不到相关数据");
|
}
|
var trackPoints = []; //用来存放从后台获取到的所有历史轨迹点的数据
|
var coincidentPoints = new Array();
|
if (sensorInfo.length > 0) {
|
$.each(sensorInfo, function (item, value) {
|
trackPoints.push(new BMap.Point(value.经度.substr(0,value.经度.length-1), value.纬度.substr(0,value.纬度.length-1)));
|
})
|
for (var i = 0; i < trackPoints.length; i++) {
|
var startPoint = trackPoints[i];
|
var endPoint = trackPoints[i + 1];
|
var marker;
|
var distance = parseInt(map.getDistance(startPoint, endPoint)).toFixed(5);
|
var arrowLength;//两点间箭头长度
|
if (distance <= 5) {
|
arrowLength = 0;
|
} else if (distance > 5 && distance <= 10) {
|
arrowLength = 2;
|
} else if (distance <= 100) {
|
arrowLength = 5;
|
} else if (distance > 100 && distance <= 200) {
|
arrowLength = 10;
|
} else if (distance > 200 && distance <= 500) {
|
arrowLength = 20;
|
} else if (distance > 500 && distance <= 1000) {
|
arrowLength = 40;
|
} else if (distance > 1000 && distance <= 2000) {
|
arrowLength = 80;
|
} else if (distance > 2000 && distance <= 3000) {
|
arrowLength = 120;
|
} else if (distance > 3000 && distance <= 10000) {
|
arrowLength = 500;
|
} else if (distance > 10000 && distance <= 20000) {
|
arrowLength = 1000;
|
} else if (distance > 20000 && distance <= 50000) {
|
arrowLength = 2500;
|
} else if (distance > 50000 && distance <= 100000) {
|
arrowLength = 5000;
|
} else if (distance > 100000 && distance <= 200000) {
|
arrowLength = 10000;
|
} else if (distance > 200000 && distance <= 500000) {
|
arrowLength = 25000;
|
} else if (distance > 500000 && distance <= 1000000) {
|
arrowLength = 50000;
|
} else if (distance > 1000000 && distance <= 2000000) {
|
arrowLength = 100000;
|
} else {
|
arrowLength = 150000;
|
}
|
var polyline = new BMap.Polyline([
|
startPoint,
|
endPoint
|
],
|
{strokeColor: "#5298FF", strokeWeight: 5, strokeOpacity: 1}
|
);
|
if (i < trackPoints.length - 1 && trackPoints.length > 1) {
|
map.addOverlay(polyline);// 画两点间线
|
if (i == 0) {
|
map.centerAndZoom(startPoint, 17);
|
}
|
addArrow(polyline, arrowLength, Math.PI / 7);
|
} else if (trackPoints.length == 1) {
|
map.centerAndZoom(trackPoints[0], 17);
|
}
|
if (coincidentPoints.indexOf(i) > -1) {
|
//判断是否已经已经显示过该点的信息，避免重复。
|
continue;
|
}
|
|
var startIcon = new BMap.Icon("/img/start.png", new BMap.Size(48, 48));
|
var endIcon = new BMap.Icon("/img/end.png", new BMap.Size(48, 48));
|
var aggregationIcon = new BMap.Icon("/img/aggregation.png", new BMap.Size(48, 48));
|
if (i == trackPoints.length - 1) {
|
marker = new BMap.Marker(startPoint, {icon: endIcon, offset: new BMap.Size(0, -20)});
|
}
|
if (i == 0) {
|
marker = new BMap.Marker(startPoint, {icon: startIcon, offset: new BMap.Size(0, -20)});
|
}
|
if (i != 0 && i != trackPoints.length - 1) {
|
marker = new BMap.Marker(startPoint);
|
}
|
var count = 0;
|
var winfowText =
|
'<div style="min-height:20px;overflow-y:auto;max-height:400px;" >';
|
for (var j = i + 1; j < trackPoints.length; j++) {
|
distance = map.getDistance(trackPoints[i], trackPoints[j]).toFixed(5);
|
if (distance <= 1.9) {
|
if (coincidentPoints.indexOf(i) == -1) {
|
coincidentPoints.push(i);
|
}
|
coincidentPoints.push(j);
|
count++;
|
marker = new BMap.Marker(startPoint, {icon: aggregationIcon});
|
winfowTextAdd = '<p id="' + j + '" onclick="openInfo(this)" onmousemove="red(this.id)" onmouseout="black(this.id)">' + "时间：" + sensorInfo[j].时间 + "</p>";
|
winfowText += winfowTextAdd;
|
}
|
}
|
|
if (coincidentPoints.indexOf(i) > -1) {
|
winfowText = '<p id="' + i + '" onclick="openInfo(this)" onmousemove="red(this.id)" onmouseout="black(this.id)">' + "时间：" + sensorInfo[i].时间 + "</p>" + winfowText + "</div>";
|
} else {
|
for (var prop in sensorInfo[i]) {
|
if (sensorInfo[i].hasOwnProperty(prop)) {
|
winfowText += (prop + "：" + sensorInfo[i][prop] + "</br>");
|
}
|
}
|
winfowText += "</div>";
|
}
|
(function (x) {
|
var infoWindow = new BMap.InfoWindow(winfowText, {enableMessage: false});
|
marker.addEventListener("click", function () {
|
this.openInfoWindow(infoWindow);
|
});
|
})(i);
|
|
function openInfo(e) {
|
var point = new BMap.Point(sensorInfo[e.id].经度.substr(0,sensorInfo[e.id].经度.length-1), sensorInfo[e.id].纬度.substr(0,sensorInfo[e.id].纬度.length-1));
|
var winfowText1 = "";
|
for (var prop in sensorInfo[e.id]) {
|
if (sensorInfo[e.id].hasOwnProperty(prop)) {
|
winfowText1 += (prop + "：" + sensorInfo[e.id][prop] + "</br>");
|
}
|
}
|
var infoWindow1 = new BMap.InfoWindow(winfowText1, {enableMessage: false});
|
//开启信息窗口
|
map.openInfoWindow(infoWindow1, point);
|
}
|
|
function red(x) {
|
document.getElementById(x).style.color = "#FF1111";
|
document.getElementById(x).style.cursor = "pointer";
|
}
|
|
function black(x) {
|
document.getElementById(x).style.color = "#000000";
|
}
|
|
if (count > 0) {
|
var lab;
|
if (count > 0 && count <= 8) {
|
lab = new BMap.Label(count + 1, {position: startPoint, offset: new BMap.Size(-5, -9)});
|
} else if (count > 8 && count <= 98) {
|
lab = new BMap.Label(count + 1, {position: startPoint, offset: new BMap.Size(-10, -9)});
|
} else if (count > 98 && count <= 998) {
|
lab = new BMap.Label(count + 1, {position: startPoint, offset: new BMap.Size(-14, -9)});
|
} else {
|
lab = new BMap.Label(count + 1, {position: startPoint, offset: new BMap.Size(-18, -9)});
|
}
|
lab.setStyle({
|
color: "#fff",
|
fontSize: "16px",
|
backgroundColor: "1",
|
border: "0",
|
fontWeight: "bold"
|
});
|
map.addOverlay(lab);
|
}
|
map.addOverlay(marker);
|
}
|
}
|
|
function addArrow(polyline, length, angleValue) {
|
var linePoint = polyline.getPath();// 线的坐标串
|
var arrowCount = linePoint.length;
|
for (var i = 1; i < arrowCount; i++) { // 在拐点处绘制箭头
|
var pixelStart = map.pointToPixel(linePoint[i - 1]);
|
var pixelEnd = map.pointToPixel(linePoint[i]);
|
var angle = angleValue;// 箭头和主线的夹角
|
var r = length; // r/Math.sin(angle)代表箭头长度
|
var delta = 0; // 主线斜率，垂直时无斜率
|
var param = 0; // 代码简洁考虑
|
var pixelTemX, pixelTemY, poMiddleX, poMiddleY;// 临时点坐标
|
var pixelX, pixelY, pixelX1, pixelY1;// 箭头两个点
|
poMiddleX = (pixelEnd.x + pixelStart.x) / 2;
|
poMiddleY = (pixelEnd.y + pixelStart.y) / 2;
|
if (poMiddleX - pixelStart.x == 0) { // 斜率不存在时
|
pixelTemX = poMiddleX;
|
if (poMiddleY > pixelStart.y) {
|
pixelTemY = poMiddleY - r;
|
} else {
|
pixelTemY = poMiddleY + r;
|
}
|
// 已知直角三角形两个点坐标及其中一个角，求另外一个点坐标算法
|
pixelX = pixelTemX - r * Math.tan(angle);
|
pixelX1 = pixelTemX + r * Math.tan(angle);
|
pixelY = pixelY1 = pixelTemY;
|
} else { // 斜率存在时
|
delta = (poMiddleY - pixelStart.y) / (poMiddleX - pixelStart.x);
|
param = Math.sqrt(delta * delta + 1);
|
if ((poMiddleX - pixelStart.x) < 0) { // 第二、三象限
|
pixelTemX = poMiddleX + r / param;
|
pixelTemY = poMiddleY + delta * r / param;
|
} else { // 第一、四象限
|
pixelTemX = poMiddleX - r / param;
|
pixelTemY = poMiddleY - delta * r / param;
|
}
|
// 已知直角三角形两个点坐标及其中一个角，求另外一个点坐标算法
|
pixelX = pixelTemX + Math.tan(angle) * r * delta / param;
|
pixelY = pixelTemY - Math.tan(angle) * r / param;
|
pixelX1 = pixelTemX - Math.tan(angle) * r * delta / param;
|
pixelY1 = pixelTemY + Math.tan(angle) * r / param;
|
}
|
var pointArrow = map.pixelToPoint(new BMap.Pixel(pixelX, pixelY));
|
var pointArrow1 = map.pixelToPoint(new BMap.Pixel(pixelX1, pixelY1));
|
var pointMiddle = map.pixelToPoint(new BMap.Pixel(poMiddleX, poMiddleY));
|
var Arrow = new BMap.Polyline([pointArrow, pointMiddle, pointArrow1],
|
{strokeColor: "#5298FF", strokeWeight: 5, strokeOpacity: 1});
|
map.addOverlay(Arrow);
|
}
|
};
|
|
</script>
|
