| | |
| | | var w = new BMap.Point(sw.lng, latitude); |
| | | var e = new BMap.Point(ne.lng, latitude); |
| | | var dirPoint; |
| | | var humidity; |
| | | var windLevel; |
| | | var condition; |
| | | if (Object.keys(weatherInfoForecast).length === 0) { |
| | | var windDir = weatherInfoToday["windDir"]; |
| | | dirPoint = getWindDir(windDir, dirPoint); |
| | | humidity = weatherInfoToday["humidity"]; |
| | | windLevel = weatherInfoToday["windLevel"]; |
| | | condition = weatherInfoToday["condition"]; |
| | | } else { |
| | | if (isToday) { |
| | | var windDir = weatherInfoToday["windDir"]; |
| | | dirPoint = getWindDir(windDir, dirPoint); |
| | | humidity = weatherInfoToday["humidity"]; |
| | | windLevel = weatherInfoToday["windLevel"]; |
| | | condition = weatherInfoToday["condition"]; |
| | | } else { |
| | | var windDir = weatherInfoForecast["windDirDay"]; |
| | | dirPoint = getWindDir(windDir, dirPoint); |
| | | humidity = weatherInfoForecast["humidity"]; |
| | | windLevel = weatherInfoForecast["windLevelDay"]; |
| | | condition = weatherInfoForecast["conditionDay"]; |
| | | } |
| | | } |
| | | var polyline = new BMap.Polyline([ |
| | |
| | | var winfowTextSource; |
| | | var supplement; |
| | | if (month == 12 || month == 1 || month == 2) { |
| | | if (humidity > 60 && windLevel < 2) { |
| | | supplement = ",同时相对湿度超过60%,平均风速小于2m/s,高温、湿度较大,大气扩散条件较不利"; |
| | | } else if (humidity > 80 && windLevel < 2) { |
| | | supplement = ",同时相对湿度超过80%,平均风速降低,在高湿、小风条件下,污染物易于累积和吸湿增长,促使污染二次生成"; |
| | | } else if (windLevel > 2) { |
| | | if (windLevel >= 3) { |
| | | supplement = ",但风速较大,大气扩散条件较有利,空气质量相对提升"; |
| | | } else { |
| | | supplement = ",但湿度较低,大气扩散条件较有利"; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>压强升高气温降低,也会因冷空气带来的颗粒物,导致污染上升" + supplement + "</p>"; |
| | | if (condition.indexOf("雨") != -1) { |
| | | supplement = ",但降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } |
| | | 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 (humidity > 60 && windLevel < 2) { |
| | | supplement = ",同时相对湿度超过60%,平均风速小于2m/s,高温、湿度较大,大气扩散条件较不利"; |
| | | } else if (humidity > 80 && windLevel < 2) { |
| | | supplement = ",同时相对湿度超过80%,平均风速降低,在高湿、小风条件下,污染物易于累积和吸湿增长,促使污染二次生成"; |
| | | } else if (windLevel >= 2) { |
| | | supplement = ",同时风速较大,大气扩散条件较有利,空气质量相对提升"; |
| | | } else { |
| | | supplement = ",同时湿度较低,大气扩散条件较有利"; |
| | | if (windLevel >= 3) { |
| | | supplement = ",但风速较大,大气扩散条件较有利,空气质量相对提升"; |
| | | } |
| | | if (condition.indexOf("雨") != -1) { |
| | | supplement = ",但降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } |
| | | 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 (humidity > 60 && windLevel < 2) { |
| | | supplement = ",同时相对湿度超过60%,平均风速小于2m/s,高温、湿度较大,大气扩散条件较不利"; |
| | | } else if (humidity > 80 && windLevel < 2) { |
| | | supplement = ",同时相对湿度超过80%,平均风速降低,在高湿、小风条件下,污染物易于累积和吸湿增长,促使污染二次生成"; |
| | | } else if (windLevel > 2) { |
| | | supplement = ",同时风速较大,大气扩散条件较有利,空气质量相对提升"; |
| | | } else { |
| | | supplement = ",同时湿度较低,大气扩散条件较有利"; |
| | | if (windLevel >= 3) { |
| | | supplement = ",同时风速较大,加速扩散"; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>夏季的气温条件不易发生逆温" + supplement + "</p>"; |
| | | if (condition.indexOf("雨") != -1) { |
| | | supplement = ",同时降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } |
| | | 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 (humidity > 60 && windLevel < 2) { |
| | | supplement = ",同时相对湿度超过60%,平均风速小于2m/s,高温、湿度较大,大气扩散条件较不利"; |
| | | } else if (humidity > 80 && windLevel < 2) { |
| | | supplement = ",同时相对湿度超过80%,平均风速降低,在高湿、小风条件下,污染物易于累积和吸湿增长,促使污染二次生成"; |
| | | } else if (windLevel > 2) { |
| | | supplement = ",同时风速较大,大气扩散条件较有利,空气质量相对提升"; |
| | | } else { |
| | | supplement = ",同时湿度较低,大气扩散条件较有利"; |
| | | if (windLevel >= 3) { |
| | | supplement = ",但风速较大,利于污染物扩散"; |
| | | } |
| | | winfowTextSource = "<p style='height: 22px;line-height: 22px'>太阳辐射强,大气氧化性增强,常发生光化学烟雾" + supplement + "</p>"; |
| | | if (condition.indexOf("雨") != -1) { |
| | | supplement = ",但降雨有利于对颗粒物的沉降、冲刷,改善污染状况"; |
| | | } |
| | | 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;" >'; |