public static List <double[]> GetDtwPairingFeature(this List <Vertex> list, int inputScale = 1)
{
var xs = new List <double>();
var ys = new List <double>();
for (int i = 0, cnt = 0; i < list.Count; i++)
{
if (ScalePredicate(list, i, cnt, inputScale))
{
xs.Add(list[i].PosF.X);
ys.Add(list[i].PosF.Y);
cnt = 0;
}
else
{
cnt++;
}
}
int n = xs.Count;
if (n != xs.Count || n != ys.Count)
{
throw new Exception();
}
var directions = Translations.GetDirections(xs, ys);
return(Translations.MergeLists(new List <double>[]
{
xs,
ys,
directions
}
));
}
public void Transform(Signature signature)
{
this.LogInformation("DirectionExtraction - transform started");
var xs = signature.GetFeature <List <double> >(InputX);
var ys = signature.GetFeature <List <double> >(InputY);
var directions = Translations.GetDirections(xs, ys);
signature.SetFeature <List <double> >(OutputDirections, directions);
this.LogInformation("DirectionExtraction - transform finished");
}
