ZhuDongming
2019-11-13 baa11d154e41d24a790596899b329faaa19b24be
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
<%@ 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;
    }
 
    .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;
    }
 
    #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;
    }
 
    #show {
        position: absolute;
        z-index: 1;
        top: 30px;
        right: 50px;
        display: inline-block;
        width: 100px;
        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">
    <input type="button" id="show" value="溯源运算"/>
    <div id="cpm"></div>
    <div id="mapCanvas"></div> <!-- 百度地图 -->
    <!-- 传sensorInfo,regionCode,regionName,monitorPoint,device-->
    <div id="pollutionSourceParams" style="display: none;">
        ${requestScope.pollutionSourceParams}
    </div>
</div>
</body>
</html>
 
<script type="text/javascript">
    var moralMap = {};
    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 = $.parseJSON($("#pollutionSourceParams").html());
    var month = params["month"];
    var device = params["device"];
    var dirPoint = new BMap.Point(params["dirPoint"].lng, params["dirPoint"].lat);
    var getPollutionSourceData = params["getPollutionSourceData"];
    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());
    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 icon1 = new BMap.Icon("/img/ico01.png", new BMap.Size(50, 50));
    var icon2 = new BMap.Icon("/img/ico02.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 humidity = 0;
    var temperature = 0;
    if (!$.isEmptyObject(dirPoint) && !$.isEmptyObject(getPollutionSourceData) && typeof (getPollutionSourceData["e18"]) != "undefined" && typeof (getPollutionSourceData["e23"]) != "undefined" && getPollutionSourceData["e18"] != 0) {
        var windSpeed = parseFloat(getPollutionSourceData["e18"]);
        var windDir = parseFloat(getPollutionSourceData["e23"]);
        var distance = windSpeed * 3600;
        var winDirStart = 255 - windDir;
        var winDirEnd = 285 - windDir;
        var marker1 = new BMap.Marker(EOffsetBearing(dirPoint, distance * 0.15, winDirStart), {
            icon: icon2,
            offset: new BMap.Size(0, -20)
        });
        var marker2 = new BMap.Marker(EOffsetBearing(dirPoint, distance * 0.31, winDirEnd), {
            icon: icon2,
            offset: new BMap.Size(0, -20)
        });
        var marker3 = new BMap.Marker(EOffsetBearing(dirPoint, distance * 0.61, winDirStart), {
            icon: icon1,
            offset: new BMap.Size(0, -20)
        });
        var marker4 = new BMap.Marker(EOffsetBearing(dirPoint, distance * 0.78, winDirEnd), {
            icon: icon1,
            offset: new BMap.Size(0, -20)
        });
        map.addOverlay(marker1);
        map.addOverlay(marker2);
        map.addOverlay(marker3);
        map.addOverlay(marker4);
    }
 
    $("#show").one('click', function () {
        setTimeout(function () {
            if ($.isEmptyObject(dirPoint) || $.isEmptyObject(getPollutionSourceData) || typeof (getPollutionSourceData["e18"]) == "undefined" || typeof (getPollutionSourceData["e23"]) == "undefined" || getPollutionSourceData["e18"] === 0) {
                showNoData();
            } else {
                if (typeof (getPollutionSourceData["e6"]) != "undefined") {
                    humidity = parseFloat(getPollutionSourceData["e6"]);
                }
                if (typeof (getPollutionSourceData["e7"]) != "undefined") {
                    temperature = parseFloat(getPollutionSourceData["e7"]);
                }
                var windSpeed = parseFloat(getPollutionSourceData["e18"]);
                var windDir = parseFloat(getPollutionSourceData["e23"]);
                var selectSensorKey = getPollutionSourceData["selectSensorKey"];
                var markerDir = new BMap.Marker(dirPoint);
                lab = new BMap.Label("经过溯源运算,确认该点为污染源</br>" + selectSensorKey + "超标", {
                    position: dirPoint,
                    offset: new BMap.Size(20, -40)
                });
                lab.setStyle({
                    color: "#EE3B3B",
                    fontSize: "16px",
                    backgroundColor: "1",
                    fontWeight: "bold"
                });
                map.addOverlay(lab);
 
                var distance = windSpeed * 3600;
                var winDirStartLeft = 240 - windDir;
                var winDirEndLeft = 250 - windDir;
                var winDirStartMiddle = 250 - windDir;
                var winDirEndMiddle = 290 - windDir;
                var winDirStartRight = 290 - windDir;
                var winDirEndRight = 300 - windDir;
                var winDirStart = 255 - windDir;
                var winDirEnd = 285 - windDir;
                var polyline1 = new BMap.Polyline([
                        dirPoint,
                        EOffsetBearing(dirPoint, distance, winDirStart)
                    ],
                    {strokeColor: "red", strokeWeight: 4, strokeOpacity: 1}
                );
                var polyline2 = new BMap.Polyline([
                        dirPoint,
                        EOffsetBearing(dirPoint, distance, winDirEnd)
                    ],
                    {strokeColor: "red", strokeWeight: 4, strokeOpacity: 1}
                );
                map.addOverlay(polyline1);// 画两点间线
                map.addOverlay(polyline2);// 画两点间线
                map.addOverlay(markerDir);
                setTimeout(function () {
                    var ovalLeft = new BMap.Polygon(Sector(dirPoint, distance, winDirStartLeft, winDirEndLeft), {
                        strokeColor: "#ADADAD",
                        strokeWeight: 0.1,
                        strokeOpacity: 0.7,
                        fillColor: "#ADADAD"
                    });
                    map.addOverlay(ovalLeft);
                    var oval = new BMap.Polygon(Sector(dirPoint, distance, winDirStartMiddle, winDirEndMiddle), {
                        strokeColor: "#A6A6A6",
                        strokeWeight: 0.1,
                        strokeOpacity: 0.95,
                        fillColor: "#A6A6A6"
                    });
                    map.addOverlay(oval);
                    var ovalRight = new BMap.Polygon(Sector(dirPoint, distance, winDirStartRight, winDirEndRight), {
                        strokeColor: "#ADADAD",
                        strokeWeight: 0.1,
                        strokeOpacity: 0.7,
                        fillColor: "#ADADAD"
                    });
                    map.addOverlay(ovalRight);
                }, 1500);
                setTimeout(function () {
                    var ovalLeft = new BMap.Polygon(Sector(dirPoint, distance * 0.66, winDirStartLeft, winDirEndLeft), {
                        strokeColor: "#ADADAD",
                        strokeWeight: 0.1,
                        strokeOpacity: 0.5,
                        fillColor: "#ADADAD"
                    });
                    map.addOverlay(ovalLeft);
                    var oval = new BMap.Polygon(Sector(dirPoint, distance * 0.66, winDirStartMiddle, winDirEndMiddle), {
                        strokeColor: "#A6A6A6",
                        strokeWeight: 0.1,
                        strokeOpacity: 0.75,
                        fillColor: "#A6A6A6"
                    });
                    map.addOverlay(oval);
                    var ovalRight = new BMap.Polygon(Sector(dirPoint, distance * 0.66, winDirStartRight, winDirEndRight), {
                        strokeColor: "#ADADAD",
                        strokeWeight: 0.1,
                        strokeOpacity: 0.7,
                        fillColor: "#ADADAD"
                    });
                    map.addOverlay(ovalRight);
                    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 ovalLeft = new BMap.Polygon(Sector(dirPoint, distance * 0.33, winDirStartLeft, winDirEndLeft), {
                        strokeColor: "#ADADAD",
                        strokeWeight: 0.1,
                        strokeOpacity: 0.3,
                        fillColor: "#ADADAD"
                    });
                    map.addOverlay(ovalLeft);
                    var oval = new BMap.Polygon(Sector(dirPoint, distance * 0.33, winDirStartMiddle, winDirEndMiddle), {
                        strokeColor: "#A6A6A6",
                        strokeWeight: 0.1,
                        strokeOpacity: 0.55,
                        fillColor: "#A6A6A6"
                    });
                    var ovalRight = new BMap.Polygon(Sector(dirPoint, distance * 0.33, winDirStartRight, winDirEndRight), {
                        strokeColor: "#ADADAD",
                        strokeWeight: 0.1,
                        strokeOpacity: 0.7,
                        fillColor: "#ADADAD"
                    });
                    map.addOverlay(ovalRight);
                    map.addOverlay(oval);
                }, 500);
 
                var winfowTextCause = "<p style='height: 22px;line-height: 22px'>汽车尾气,工厂废气,以及周边地区农田秸秆焚烧</p>";
                var winfowTextSource;
                var supplement;
                if (selectSensorKey == "臭氧") {
                    winfowTextCause = "<p style='height: 44px;line-height: 22px'>主要来源机动车尾气、燃煤排放氮氧化物,油漆油气挥发有机物在高温,阳光充足的照射下发生光化学烟雾</p>";
                    winfowTextSource = "<p style='height: 22px;line-height: 22px'>NOx以及VOCs总量超标</p>";
                } else {
                    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);
                });
            }
        }, 1500);
    });
 
    //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);
    }
 
    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";
            }
            if (temperature != 0 && humidity != 0) {
                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)
                });
            } else if (temperature == 0 && humidity != 0) {
                lab = new BMap.Label("<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)
                });
            } else if (temperature != 0 && humidity == 0) {
                lab = new BMap.Label("<P>温度:" + temperature + "℃</p><P>风速:" + windSpeed + "m/s</p><P>风向:" + windDirection + "</p>", {
                    position: pointMiddle,
                    offset: new BMap.Size(-50, -40)
                });
            } else {
                lab = new BMap.Label("<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 () {
            if (JSON.stringify(getPollutionSourceData) == JSON.stringify({})) {
                document.getElementById("cpm").innerText = "该时间点查询无数据";
            } else {
                if (getPollutionSourceData["e18"] === 0) {
                    document.getElementById("cpm").style.width = '380px';
                    document.getElementById("cpm").innerText = "风速为0,无法溯源运算";
                }
                if (typeof (getPollutionSourceData["e18"]) == "undefined") {
                    document.getElementById("cpm").style.width = '400px';
                    document.getElementById("cpm").innerText = "设备无风速,无法溯源运算";
                }
                if (typeof (getPollutionSourceData["e23"]) == "undefined") {
                    document.getElementById("cpm").style.width = '400px';
                    document.getElementById("cpm").innerText = "设备无风向,无法溯源运算";
                }
                if (typeof (getPollutionSourceData["e18"]) == "undefined" && typeof (getPollutionSourceData["e23"]) == "undefined") {
                    document.getElementById("cpm").style.width = '500px';
                    document.getElementById("cpm").innerText = "设备无风速,无风向,无法溯源运算";
                }
            }
            document.getElementById("cpm").style.display = 'block';
        }, 250);
    };
 
</script>