public void TotalMeterologyFeature(Grid grid, string meterologyFeatureDirectory, int mode)
{
int gridNum = grid.GridNumLat * grid.GridNumLon;
int countDay = this.NumTimeSlots / Time.NUMSLOTPERDAY;
List <LatLong> stations = new List <LatLong>();
foreach (var s in this.StationLocations)
{
stations.Add(s.Key);
}
List <double>[] meterologyFeatureOld = new List <double> [gridNum];
for (int i = 0; i < this.NumTimeSlots; i++)
{
List <Meterology> meterology = this.Meterologies[i];
List <double>[] meterologyFeature = new List <double> [gridNum];
for (int g = 0; g < gridNum; g++)
{
meterologyFeatureOld[g] = new List <double>();
}
if (meterology.Count() > 0)
{
for (int j = 0; j < gridNum; j++)
{
LatLong maxPoint, minPoint;
grid.RetrieveBoundary(j, out maxPoint, out minPoint);
LatLong central = new LatLong((maxPoint.Latitude - minPoint.Latitude) / 2 + minPoint.Latitude, (maxPoint.Longitude - minPoint.Longitude) / 2 + minPoint.Longitude);
LatLong nearest = Geo.FindKNN(central, stations, 1)[0];
int districtID = this.StationLocations[nearest];
meterologyFeature[j] = new List <double>();
int indexStation = grid.RetrieveIndex(nearest);
if (mode == 0 || (mode == 1 && indexStation == j))
{
int count = 0;
//feature 1: average rainfall
double avgRainFall = 0.0;
//feature 2: average temperature
int avgTemperature = 0;
//feature 3: average pressure
int avgPressure = 0;
//feature 4: average humidity
int avgHumidity = 0;
//feature 5: average windspeed
double avgWindSpeed = 0.0;
//feautre 6: average wind direction
int avgWindDirection = 0;
//feature 7: the majority of weather flag
Dictionary <int, int> weatherFlag = new Dictionary <int, int>();
foreach (var mtrl in meterology)
{
if (mtrl.DistrictID == districtID) //infer the meterology record that the region has
{
avgRainFall += mtrl.RainFall;
avgTemperature += mtrl.Temperature;
avgPressure += mtrl.Pressure;
avgHumidity += mtrl.Humidity;
avgWindSpeed += mtrl.WindSpeed;
avgWindDirection += mtrl.WindDirection;
if (!weatherFlag.ContainsKey(mtrl.WeatherFlag))
{
weatherFlag.Add(mtrl.WeatherFlag, 1);
}
else
{
weatherFlag[mtrl.WeatherFlag]++;
}
count++;
}
}
if (count > 0)
{
meterologyFeature[j].Add(avgRainFall / count);
meterologyFeature[j].Add(((double)avgTemperature) / count);
meterologyFeature[j].Add(((double)avgPressure) / count);
meterologyFeature[j].Add(((double)avgHumidity) / count);
meterologyFeature[j].Add(avgWindSpeed / count);
meterologyFeature[j].Add(((double)avgWindDirection) / count);
var flagSort = (from w in weatherFlag
orderby w.Value
descending
select w.Key).ToList();
meterologyFeature[j].Add((double)flagSort[0]);
}
else
{
meterologyFeature[j].Add(Double.MaxValue);
}
}
else
{
meterologyFeature[j].Add(Double.MaxValue);
}
}
for (int j = 0; j < gridNum; j++)
{
meterologyFeatureOld[j] = new List <double>();
foreach (var mf in meterologyFeature[j])
{
meterologyFeatureOld[j].Add(mf);
}
}
}
else
{
meterologyFeature = meterologyFeatureOld;
}
string directory = Path.Combine(meterologyFeatureDirectory, this.Days[i / Time.NUMSLOTPERDAY]);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
string filename = Path.Combine(directory, (i % Time.NUMSLOTPERDAY).ToString("D2"));
IO.WriteFeature(meterologyFeature, filename);
}
}