private static void ParseSignature(Signature signature, string[] linesArray, bool standardFeatures)
{
var lines = linesArray
.Skip(1)
.Where(l => l != "")
.Select(l => l.Split(' ').Select(s => int.Parse(s)).ToArray())
.ToList();
//HACK: same timestamp for measurements does not make sense
// therefore, we remove the second entry
// a better solution would be to change the timestamps based on their environments
for (int i = 0; i < lines.Count - 1; i++)
{
if (lines[i][2] == lines[i + 1][2])
{
lines.RemoveAt(i + 1);
i--;
}
}
// Task1, Task2
signature.SetFeature(Svc2004.X, lines.Select(l => l[0]).ToList());
signature.SetFeature(Svc2004.Y, lines.Select(l => l[1]).ToList());
signature.SetFeature(Svc2004.T, lines.Select(l => l[2]).ToList());
signature.SetFeature(Svc2004.Button, lines.Select(l => l[3]).ToList());
if (standardFeatures)
{
signature.SetFeature(Features.X, lines.Select(l => (double)l[0]).ToList());
signature.SetFeature(Features.Y, lines.Select(l => (double)l[1]).ToList());
signature.SetFeature(Features.T, lines.Select(l => (double)l[2]).ToList());
signature.SetFeature(Features.Button, lines.Select(l => (l[3] == 1)).ToList());
SignatureHelper.CalculateStandardStatistics(signature);
}
if (lines[0].Length == 7) // Task2
{
List <int> azimuth = lines.Select(l => l[4]).ToList();
List <int> altitude = lines.Select(l => l[5]).ToList();
List <int> pressure = lines.Select(l => l[6]).ToList();
signature.SetFeature(Svc2004.Azimuth, azimuth);
signature.SetFeature(Svc2004.Altitude, altitude);
signature.SetFeature(Svc2004.Pressure, pressure);
if (standardFeatures)
{
double azimuthmax = azimuth.Max();
double altitudemax = altitude.Max();
double pressuremax = pressure.Max();
signature.SetFeature(Features.Azimuth, azimuth.Select(a => a / azimuthmax * 2 * Math.PI).ToList());
signature.SetFeature(Features.Altitude, altitude.Select(a => a / altitudemax).ToList());
signature.SetFeature(Features.Pressure, pressure.Select(a => a / pressuremax).ToList());
SignatureHelper.CalculateStandardStatistics(signature);
}
}
}
private static void ParseSignature(Signature signature, string[] linesArray, bool standardFeatures)
{
var lines = linesArray
.Skip(1)
.Where(l => !string.IsNullOrWhiteSpace(l))
.Select(l => l.Split(';').Select(s => int.Parse(s)).ToArray())
.ToList();
// Remove noise (points with 0 pressure) from the beginning of the signature
while (lines.Count > 0 && lines[0][4] == 0)
{
lines.RemoveAt(0);
}
// Remove noise (points with 0 pressure) from the end of the signature
while (lines.Count > 0 && lines[lines.Count - 1][4] == 0)
{
lines.RemoveAt(lines.Count - 1);
}
signature.SetFeature(SigComp19.EventType, lines.Select(l => l[0]).ToList());
signature.SetFeature(SigComp19.T, lines.Select(l => l[1]).ToList());
signature.SetFeature(SigComp19.X, lines.Select(l => l[2]).ToList());
signature.SetFeature(SigComp19.Y, lines.Select(l => l[3]).ToList());
signature.SetFeature(SigComp19.P, lines.Select(l => l[4]).ToList());
signature.SetFeature(SigComp19.Altitude, lines.Select(l => l[5]).ToList());
signature.SetFeature(SigComp19.Azimuth, lines.Select(l => l[6]).ToList());
signature.SetFeature(SigComp19.Distance, lines.Select(l => l[7]).ToList());
if (standardFeatures)
{
signature.SetFeature(Features.X, lines.Select(l => (double)l[2]).ToList());
signature.SetFeature(Features.Y, lines.Select(l => (double)l[3]).ToList());
signature.SetFeature(Features.Pressure, lines.Select(l => (double)l[4]).ToList());
signature.SetFeature(Features.T, lines.Select(l => (double)l[1]).ToList());
signature.SetFeature(Features.Button, lines.Select(l => l[0] == 3).ToList());
signature.SetFeature(Features.Azimuth, lines.Select(l => (double)l[6]).ToList());
signature.SetFeature(Features.Altitude, lines.Select(l => (double)l[5]).ToList());
SignatureHelper.CalculateStandardStatistics(signature);
}
}