| | |
| | | line-height: 100px; |
| | | text-align: center; |
| | | } |
| | | |
| | | #show { |
| | | position: absolute; |
| | | z-index: 1; |
| | | top: 30px; |
| | | right: 50px; |
| | | display: inline-block; |
| | | width: 80px; |
| | | height: 40px; |
| | | border-width: 0px; |
| | | border-radius: 3px; |
| | | background: #6495ED; |
| | | cursor: pointer; |
| | | outline: none; |
| | | color: white; |
| | | font-size: 20px; |
| | | } |
| | | |
| | | #show:hover { |
| | | background: #5CACEE; |
| | | } |
| | | </style> |
| | | |
| | | <body> |
| | | <div class="main_body"> |
| | | <div id="cpm">查无数据</div> |
| | | <input type="button" id="show" value="计算"/> |
| | | <div id="cpm">无法推测来源</div> |
| | | <div id="mapCanvas"></div> <!-- 百度地图 --> |
| | | <!-- 传sensorInfo,regionCode,regionName,monitorPoint,device--> |
| | | <div id="pollutionSourceParams" style="display: none;"> |
| | |
| | | var device = params["device"]; |
| | | var dirPoint = new BMap.Point(params["dirPoint"].lng, params["dirPoint"].lat); |
| | | var getPollutionSourceData = params["getPollutionSourceData"]; |
| | | var windSpeed = parseFloat(getPollutionSourceData["e18"]); |
| | | var map = new BMap.Map("mapCanvas", {enableMapClick: false}); |
| | | map.setMapStyle(mapStyle); |
| | | map.enableScrollWheelZoom(true); // 开启鼠标滚轮缩放 |
| | |
| | | }); |
| | | map.addControl(navigation); |
| | | map.addControl(new BMap.ScaleControl()); |
| | | if ($.isEmptyObject(dirPoint) || $.isEmptyObject(getPollutionSourceData) || getPollutionSourceData["e6"] == 0 || getPollutionSourceData["e18"] == 0 || getPollutionSourceData["e23"] == 0 || windSpeed <= 0.03) { |
| | | showNoData(); |
| | | } else { |
| | | var humidity = parseFloat(getPollutionSourceData["e6"]); |
| | | var windDir = parseFloat(getPollutionSourceData["e23"]); |
| | | var longitude = params["device"]["longitude"]; |
| | | var latitude = params["device"]["latitude"]; |
| | | var point = new BMap.Point(longitude, latitude); |
| | | var icon = new BMap.Icon("/img/ico00.png", new BMap.Size(50, 50)); |
| | | var marker = new BMap.Marker(point, {icon: icon, offset: new BMap.Size(0, -20)}); |
| | | map.addOverlay(marker); |
| | | map.centerAndZoom(point, 16); |
| | | var longitude = params["device"]["longitude"]; |
| | | var latitude = params["device"]["latitude"]; |
| | | var point = new BMap.Point(longitude, latitude); |
| | | var icon = new BMap.Icon("/img/ico00.png", new BMap.Size(50, 50)); |
| | | var marker = new BMap.Marker(point, {icon: icon, offset: new BMap.Size(0, -20)}); |
| | | map.addOverlay(marker); |
| | | map.centerAndZoom(point, 16); |
| | | |
| | | //centre:椭圆中心点,X:横向经度,Y:纵向纬度 |
| | | function add_oval(centre, x, y) { |
| | | var assemble = new Array(); |
| | | var angle; |
| | | var dot; |
| | | var tangent = x / y; |
| | | for (i = 0; i < 36; i++) { |
| | | angle = (2 * Math.PI / 36) * i; |
| | | dot = new BMap.Point(centre.lng + Math.sin(angle) * y * tangent, centre.lat + Math.cos(angle) * y); |
| | | assemble.push(dot); |
| | | } |
| | | return assemble; |
| | | } |
| | | |
| | | //以画多边形区域的方法画扇形区域 画出以point点为圆心,半径为radius,夹角从sDegree到eDegree的扇形 |
| | | function Sector(point, radius, sDegree, eDegree) { |
| | | var points = []; //创建构成多边形的点数组 |
| | | var step = ((eDegree - sDegree) / 10) || 10; //根据扇形的总夹角确定每步夹角度数,最大为10 |
| | | points.push(point); |
| | | for (var i = sDegree; i < eDegree + 0.001; i += step) { //循环获取每步的圆弧上点的坐标,存入点数组 |
| | | points.push(EOffsetBearing(point, radius, i)); |
| | | } |
| | | points.push(point); |
| | | return points; |
| | | } |
| | | |
| | | //使用数学的方法计算需要画扇形的圆弧上的点坐标 |
| | | function EOffsetBearing(point, dist, bearing) { |
| | | var lngConv = map.getDistance(point, new BMap.Point(point.lng + 0.1, point.lat)) * 10; //计算经度与原点的距离 |
| | | var latConv = map.getDistance(point, new BMap.Point(point.lng, point.lat + 0.1)) * 10; //计算纬度与原点的距离 |
| | | var lat = dist * Math.sin(bearing * Math.PI / 180) / latConv; //正弦计算待获取的点的纬度与原点纬度差 |
| | | var lng = dist * Math.cos(bearing * Math.PI / 180) / lngConv; //余弦计算待获取的点的经度与原点经度差 |
| | | return new BMap.Point(point.lng + lng, point.lat + lat); |
| | | } |
| | | |
| | | var distance = windSpeed * 3600; |
| | | var winDirStart = 240 - windDir; |
| | | var winDirEnd = 300 - windDir; |
| | | var oval = new BMap.Polygon(Sector(dirPoint, distance, winDirStart, winDirEnd), { |
| | | strokeColor: "grey", |
| | | strokeWeight: 1, |
| | | strokeOpacity: 0.8, |
| | | fillColor: "grey" |
| | | }); |
| | | map.addOverlay(oval); |
| | | var oval = new BMap.Polygon(Sector(dirPoint, distance * 0.66, winDirStart, winDirEnd), { |
| | | strokeColor: "grey", |
| | | strokeWeight: 1, |
| | | strokeOpacity: 0.6, |
| | | fillColor: "grey" |
| | | }); |
| | | map.addOverlay(oval); |
| | | var oval = new BMap.Polygon(Sector(dirPoint, distance * 0.33, winDirStart, winDirEnd), { |
| | | strokeColor: "grey", |
| | | strokeWeight: 1, |
| | | strokeOpacity: 0.4, |
| | | fillColor: "grey" |
| | | }); |
| | | map.addOverlay(oval); |
| | | |
| | | var polyline = new BMap.Polyline([ |
| | | dirPoint, |
| | | point |
| | | ], |
| | | {strokeColor: "#5298FF", strokeWeight: 4, strokeOpacity: 1} |
| | | ); |
| | | addArrow(polyline, 0, Math.PI / 7, windSpeed, humidity); |
| | | var winfowTextCause = "<p style='height: 44px;line-height: 22px'>汽车尾气,工厂废气,以及周边地区农田秸秆焚烧,污染传播途径是根据风向来做出调整</p>"; |
| | | var winfowTextSource; |
| | | var supplement; |
| | | if (month == 12 || month == 1 || month == 2) { |
| | | if (windSpeed >= 3.4) { |
| | | supplement = ",但风速较大,大气扩散条件较有利,空气质量相对提升"; |
| | | } |
| | | if (humidity >= 90.0) { |
| | | supplement = ",但降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } else { |
| | | supplement = ""; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>压强升高气温降低,会因冷空气带来的颗粒物,导致污染上升" + supplement + "</p>"; |
| | | } else if (month == 3 || month == 4 || month == 5) { |
| | | if (windSpeed >= 3.4) { |
| | | supplement = ",但风速较大,大气扩散条件较有利,空气质量相对提升"; |
| | | } |
| | | if (humidity >= 90.0) { |
| | | supplement = ",但降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } else { |
| | | supplement = ""; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>地面逆温频率的增加使污染物在近地层不断积累" + supplement + "</p>"; |
| | | } else if (month == 6 || month == 7) { |
| | | if (windSpeed >= 3.4) { |
| | | supplement = ",同时风速较大,加速扩散"; |
| | | } |
| | | if (humidity >= 90.0) { |
| | | supplement = ",同时降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } else { |
| | | supplement = ""; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>夏季的气温条件不易发生逆温,利于污染物扩散" + supplement + "</p>"; |
| | | } else if (month == 8 || month == 9 || month == 10 || month == 11) { |
| | | if (windSpeed >= 3.4) { |
| | | supplement = ",但风速较大,利于污染物扩散"; |
| | | } |
| | | if (humidity >= 90.0) { |
| | | supplement = ",但降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } else { |
| | | supplement = ""; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>大气扩散条件不好使污染物聚集,增大了气态污染物向二次颗粒物转化的机会" + supplement + "</p>"; |
| | | } |
| | | |
| | | var winfowText = '<div style="height:150px;" >'; |
| | | var opts = { |
| | | width: 380, |
| | | title: '<h3>污染分析</h3>', |
| | | enableMessage: false //设置允许信息窗发送短息 |
| | | } |
| | | winfowText += '<h3 style="background-color: #CD5C5C;color:white;margin-bottom: 1px">污染来源</h3>'; |
| | | winfowText += winfowTextCause; |
| | | winfowText += '<h3 style="background-color: #66CD00;color:white;margin-bottom: 1px">污染成因</h3>'; |
| | | winfowText += winfowTextSource; |
| | | winfowText += "</div>"; |
| | | marker.addEventListener("click", function () { |
| | | var infoWindow = new BMap.InfoWindow(winfowText, opts); |
| | | this.openInfoWindow(infoWindow); |
| | | }); |
| | | } |
| | | |
| | | function addArrow(polyline, length, angleValue, windSpeed, humidity) { |
| | | 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;// 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); |
| | | pixelY = 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; |
| | | } |
| | | var pointMiddle = map.pixelToPoint(new BMap.Pixel(poMiddleX, poMiddleY)); |
| | | lab = new BMap.Label("<P>风速:" + windSpeed + "m/s</p><P>湿度:" + humidity + "°</p>", { |
| | | position: pointMiddle, |
| | | offset: new BMap.Size(-50, -20) |
| | | }); |
| | | lab.setStyle({ |
| | | color: "#FFFFFF", |
| | | fontSize: "16px", |
| | | backgroundColor: "1", |
| | | border: "0", |
| | | fontWeight: "bold" |
| | | }); |
| | | map.addOverlay(lab); |
| | | } |
| | | }; |
| | | |
| | | function showNoData() { |
| | | var longitude = 120.987287; |
| | | var latitude = 31.391562; |
| | | var point = new BMap.Point(longitude, latitude); |
| | | map.centerAndZoom(point, 17); |
| | | $("#show").one('click', function () { |
| | | setTimeout(function () { |
| | | document.getElementById("cpm").style.display = 'block'; |
| | | }, 250); |
| | | }; |
| | | if ($.isEmptyObject(dirPoint) || $.isEmptyObject(getPollutionSourceData) || typeof (getPollutionSourceData["e6"]) == "undefined" || typeof (getPollutionSourceData["e7"]) == "undefined" || typeof (getPollutionSourceData["e18"]) == "undefined" || typeof (getPollutionSourceData["e23"]) == "undefined" || getPollutionSourceData["e18"] <= 0.03) { |
| | | showNoData(); |
| | | } else { |
| | | var humidity = parseFloat(getPollutionSourceData["e6"]); |
| | | var temperature = parseFloat(getPollutionSourceData["e7"]); |
| | | var windSpeed = parseFloat(getPollutionSourceData["e18"]); |
| | | var windDir = parseFloat(getPollutionSourceData["e23"]); |
| | | var iconDir = new BMap.Icon("/img/ico07.gif", new BMap.Size(50, 50)); |
| | | var markerDir = new BMap.Marker(dirPoint, {icon: iconDir, offset: new BMap.Size(0, -20)}); |
| | | |
| | | |
| | | //centre:椭圆中心点,X:横向经度,Y:纵向纬度 |
| | | function add_oval(centre, x, y) { |
| | | var assemble = new Array(); |
| | | var angle; |
| | | var dot; |
| | | var tangent = x / y; |
| | | for (i = 0; i < 36; i++) { |
| | | angle = (2 * Math.PI / 36) * i; |
| | | dot = new BMap.Point(centre.lng + Math.sin(angle) * y * tangent, centre.lat + Math.cos(angle) * y); |
| | | assemble.push(dot); |
| | | } |
| | | return assemble; |
| | | } |
| | | |
| | | //以画多边形区域的方法画扇形区域 画出以point点为圆心,半径为radius,夹角从sDegree到eDegree的扇形 |
| | | function Sector(point, radius, sDegree, eDegree) { |
| | | var points = []; //创建构成多边形的点数组 |
| | | var step = ((eDegree - sDegree) / 100) || 1; //根据扇形的总夹角确定每步夹角度数,最大为10 |
| | | points.push(point); |
| | | for (var i = sDegree; i < eDegree + 0.001; i += step) { //循环获取每步的圆弧上点的坐标,存入点数组 |
| | | points.push(EOffsetBearing(point, radius, i)); |
| | | } |
| | | points.push(point); |
| | | return points; |
| | | } |
| | | |
| | | //使用数学的方法计算需要画扇形的圆弧上的点坐标 |
| | | function EOffsetBearing(point, dist, bearing) { |
| | | var lngConv = map.getDistance(point, new BMap.Point(point.lng + 0.1, point.lat)) * 10; //计算经度与原点的距离 |
| | | var latConv = map.getDistance(point, new BMap.Point(point.lng, point.lat + 0.1)) * 10; //计算纬度与原点的距离 |
| | | var lat = dist * Math.sin(bearing * Math.PI / 180) / latConv; //正弦计算待获取的点的纬度与原点纬度差 |
| | | var lng = dist * Math.cos(bearing * Math.PI / 180) / lngConv; //余弦计算待获取的点的经度与原点经度差 |
| | | return new BMap.Point(point.lng + lng, point.lat + lat); |
| | | } |
| | | |
| | | var distance = windSpeed * 3600; |
| | | var winDirStart = 240 - windDir; |
| | | var winDirEnd = 300 - windDir; |
| | | setTimeout(function () { |
| | | var oval = new BMap.Polygon(Sector(dirPoint, distance, winDirStart, winDirEnd), { |
| | | strokeColor: "grey", |
| | | strokeWeight: 1, |
| | | strokeOpacity: 0.8, |
| | | fillColor: "grey" |
| | | }); |
| | | map.addOverlay(oval); |
| | | }, 1500); |
| | | setTimeout(function () { |
| | | var oval = new BMap.Polygon(Sector(dirPoint, distance * 0.66, winDirStart, winDirEnd), { |
| | | strokeColor: "grey", |
| | | strokeWeight: 1, |
| | | strokeOpacity: 0.6, |
| | | fillColor: "grey" |
| | | }); |
| | | map.addOverlay(oval); |
| | | var polyline = new BMap.Polyline([ |
| | | dirPoint, |
| | | point |
| | | ], |
| | | {strokeColor: "#5298FF", strokeWeight: 4, strokeOpacity: 1} |
| | | ); |
| | | addArrow(polyline, 0, Math.PI / 7, temperature, humidity, windSpeed, windDir); |
| | | }, 1000); |
| | | setTimeout(function () { |
| | | var oval = new BMap.Polygon(Sector(dirPoint, distance * 0.33, winDirStart, winDirEnd), { |
| | | strokeColor: "grey", |
| | | strokeWeight: 1, |
| | | strokeOpacity: 0.4, |
| | | fillColor: "grey" |
| | | }); |
| | | map.addOverlay(markerDir); |
| | | map.addOverlay(oval); |
| | | }, 500); |
| | | |
| | | |
| | | var winfowTextCause = "<p style='height: 44px;line-height: 22px'>汽车尾气,工厂废气,以及周边地区农田秸秆焚烧,污染传播途径是根据风向来做出调整</p>"; |
| | | var winfowTextSource; |
| | | var supplement; |
| | | if (month == 12 || month == 1 || month == 2) { |
| | | if (windSpeed >= 3.4) { |
| | | supplement = ",但风速较大,大气扩散条件较有利,空气质量相对提升"; |
| | | } |
| | | if (humidity >= 90.0) { |
| | | supplement = ",但降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } else { |
| | | supplement = ""; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>压强升高气温降低,会因冷空气带来的颗粒物,导致污染上升" + supplement + "</p>"; |
| | | } else if (month == 3 || month == 4 || month == 5) { |
| | | if (windSpeed >= 3.4) { |
| | | supplement = ",但风速较大,大气扩散条件较有利,空气质量相对提升"; |
| | | } |
| | | if (humidity >= 90.0) { |
| | | supplement = ",但降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } else { |
| | | supplement = ""; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>地面逆温频率的增加使污染物在近地层不断积累" + supplement + "</p>"; |
| | | } else if (month == 6 || month == 7) { |
| | | if (windSpeed >= 3.4) { |
| | | supplement = ",同时风速较大,加速扩散"; |
| | | } |
| | | if (humidity >= 90.0) { |
| | | supplement = ",同时降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } else { |
| | | supplement = ""; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>夏季的气温条件不易发生逆温,利于污染物扩散" + supplement + "</p>"; |
| | | } else if (month == 8 || month == 9 || month == 10 || month == 11) { |
| | | if (windSpeed >= 3.4) { |
| | | supplement = ",但风速较大,利于污染物扩散"; |
| | | } |
| | | if (humidity >= 90.0) { |
| | | supplement = ",但降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } else { |
| | | supplement = ""; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>大气扩散条件不好使污染物聚集,增大了气态污染物向二次颗粒物转化的机会" + supplement + "</p>"; |
| | | } |
| | | |
| | | var winfowText = '<div style="height:150px;" >'; |
| | | var opts = { |
| | | width: 380, |
| | | title: '<h3>污染分析</h3>', |
| | | enableMessage: false //设置允许信息窗发送短息 |
| | | } |
| | | winfowText += '<h3 style="background-color: #CD5C5C;color:white;margin-bottom: 1px">污染来源</h3>'; |
| | | winfowText += winfowTextCause; |
| | | winfowText += '<h3 style="background-color: #66CD00;color:white;margin-bottom: 1px">污染成因</h3>'; |
| | | winfowText += winfowTextSource; |
| | | winfowText += "</div>"; |
| | | marker.addEventListener("click", function () { |
| | | var infoWindow = new BMap.InfoWindow(winfowText, opts); |
| | | this.openInfoWindow(infoWindow); |
| | | }); |
| | | } |
| | | |
| | | function addArrow(polyline, length, angleValue, temperature, humidity, windSpeed, windDir) { |
| | | 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;// 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); |
| | | pixelY = 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; |
| | | } |
| | | var pointMiddle = map.pixelToPoint(new BMap.Pixel(poMiddleX, poMiddleY)); |
| | | var windDirection; |
| | | if (windDir == 0) { |
| | | windDirection = "北风"; |
| | | } else if (windDir == 90) { |
| | | windDirection = "东风"; |
| | | } else if (windDir == 180) { |
| | | windDirection = "南风"; |
| | | } else if (windDir == 270) { |
| | | windDirection = "西风"; |
| | | } else if (windDir > 0 && windDir < 90) { |
| | | windDirection = "东北风"; |
| | | } else if (windDir > 90 && windDir < 180) { |
| | | windDirection = "东南风"; |
| | | } else if (windDir > 180 && windDir < 270) { |
| | | windDirection = "西南风"; |
| | | } else if (windDir > 270 && windDir < 360) { |
| | | windDirection = "西北风"; |
| | | } |
| | | lab = new BMap.Label("<P>温度:" + temperature + "℃</p><P>湿度:" + humidity + "%</p><P>风速:" + windSpeed + "m/s</p><P>风向:" + windDirection + "</p>", { |
| | | position: pointMiddle, |
| | | offset: new BMap.Size(-50, -40) |
| | | }); |
| | | lab.setStyle({ |
| | | color: "#EE3B3B", |
| | | fontSize: "16px", |
| | | backgroundColor: "1", |
| | | border: "0", |
| | | fontWeight: "bold" |
| | | }); |
| | | map.addOverlay(lab); |
| | | } |
| | | }; |
| | | |
| | | function showNoData() { |
| | | map.centerAndZoom(point, 17); |
| | | setTimeout(function () { |
| | | document.getElementById("cpm").style.display = 'block'; |
| | | }, 250); |
| | | }; |
| | | }, 1500); |
| | | }); |
| | | |
| | | </script> |