我有兩個文件(fileA.txt和fileB.txt),我需要使用它們在地圖上創建多邊形。 FileA包含引用fileB的引用號列表。我可以從A中獲取該列表,並使用streamreader在B中找到相應的文件。我似乎無法抓住的是我需要從該文件獲取的數據。從查找文件創建Bing地圖v8多邊形
FILEA的樣子:
|廣告服務| 170613/0448 | 170613/0600 | KRIW || 0 | 1
WYZ023 Star_Valley WYZ013 500130 Jackson_Hole
我採取大膽的數,500230,並在fileB中查找它,如下所示:
| FIPS | 500230 |
59.094 59.091 -138.413 -138.425 59.091 -138.413 59.092 -138.425 59.094 -138.415 59.091 -138.413
59.101 59.099 -138.397 -138.413 59.099 -138.405 59.101 - 138.413 59.100 -138.397 59.099 -138.405
| FIPS | 500231 |
每條以| FIPS |線是一個多邊形。數字8表示粗體數字後面的經緯度長度對的數量。這個8可以是4到20之間的任意數。我也可以在每個| FIPS |中的這些「長」對的「組」中使用從1到20的任意位置。
最後,我試圖獲取每個| FIPS |等於| FIPS |這是擡頭。或者數組的數組。有什麼想法嗎?
更新:這是我想出來的,但我陷入mainListLoop。 streamReader只讀到行尾,但我需要它讀取下一個FIPS。有什麼建議麼?對A的文件格式
[HttpGet]
public ActionResult GetWinterData()
{
var winterFilePaths = HostingEnvironment.MapPath(ConfigurationManager.AppSettings["WatchWarnFilePath"] + "/wstm.txt");
var stringData = new List<string>();
var mainList = new List<WinterModel>();
using (var reader = new StreamReader(winterFilePaths))
{
while (!reader.EndOfStream)
{
var data = reader.ReadLine().Trim();
if (!string.IsNullOrEmpty(data))
stringData.Add(data);
}
reader.Close();
}
WinterModel temp = null;
stringData.ForEach(line =>
{
if (line.StartsWith("|"))
{
if (temp != null)
{
mainList.Add(temp);
}
string[] rawData = line.Split('|');
temp = new WinterModel
{
Type = rawData[0],
PolyBorderColor = GetBorderColor(rawData[0], types.WINTER),
PolyBorderThickness = GetPolyBorderThickness(rawData[0], types.WINTER),
StartDateTime = rawData[1],
EndDateTime = rawData[2],
innerData = new List<tempInnerWinterModel>(),
InfoboxTitle = GetInfoboxTitle(rawData[0], types.WINTER)
};
}
else
{
string[] tempLine = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
temp.innerData.Add(new tempInnerWinterModel
{
param1 = tempLine[0],
FIPS = tempLine[1],
Location = tempLine[2],
latLongs = new List<lat_longPairs>()
});
}
});
mainList.Add(temp);
getWinterLatLongPairs2(mainList);
var tempJson = (from item in stringData
select item.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries)
into rawData
select new WatchPolygons
{
Type = rawData[0],
PolyBorderColor = GetBorderColor(rawData[0], types.WINTER),
StartDateTime = rawData[1],
EndDateTime = rawData[2],
//Lat_Long_Pairs = getWinterLatLongPairs2(rawData[5])
//Metadata = "Watch Type: " + rawData[0] + "< /br>" + "Watch Start: " + rawData[1] + ' ' + rawData[2]
// + "< /br>" + "Watch End: " + rawData[3] + ' ' + rawData[4]
});
return Json((from item in stringData
select item.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries)
into rawData
select new WatchPolygons
{
Type = rawData[0],
PolyBorderColor = GetBorderColor(rawData[0], types.WINTER),
StartDateTime = rawData[1],
EndDateTime = rawData[2],
//Lat_Long_Pairs = getWinterLatLongPairs2(rawData[5])
//Metadata = "Watch Type: " + rawData[0] + "< /br>" + "Watch Start: " + rawData[1] + ' ' + rawData[2]
// + "< /br>" + "Watch End: " + rawData[3] + ' ' + rawData[4]
}).ToList(), JsonRequestBehavior.AllowGet);
}
private static void getWinterLatLongPairs2(List<WinterModel> inputFips)
{
var searchFips = inputFips;
var fipFilePath = HostingEnvironment.MapPath(ConfigurationManager.AppSettings["WatchWarnFilePath"] + "/pfzbnds.tbl");
var stringInnerData = new List<string>();
using (var reader = new StreamReader(fipFilePath))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine().Trim();
if (!string.IsNullOrEmpty(line) && line.Contains("<FIPS>"))
{
MainListLoop(inputFips, line, reader);
if (inputFips.Last().innerData.Last().latLongs.Count > 0)
{
return;
}
}
}
reader.Close();
}
return;
}
private static void MainListLoop(List<WinterModel> inputFips, string line, StreamReader reader)
{
inputFips.ForEach(main =>
{
main.innerData.ForEach(fips =>
{
if (line.Contains(fips.FIPS))
{
var line2 = reader.ReadLine().Trim();
fips.param1 = "CHANGE";
string[] tempLine = line2.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
string numLatLongPairs = tempLine[0];
var latLonPairsWint = new List<lat_longPairs>();
int endIndex = ((Int16.Parse(numLatLongPairs) * 2) + 3 - 1);
//grab each pair of lat/longs starting at the 5th and add them to the array
for (int i = 5; i < endIndex; i += 2)
{
fips.latLongs.Add(new lat_longPairs { latitude = decimal.Parse(tempLine[i]), longitude = decimal.Parse(tempLine[i + 1]) });
}
return;
}
});
});
}
謝謝。查看我的更新。文件B將會非常大。它是6MB與95,697行 – bradoxbl
6mb並不大。 60mb是適中的。 – rbrundritt