/// <summary>
/// Calculate the similarity in length of two Lines.
/// </summary>
/// <param name="line0">The first line.</param>
/// <param name="line1">The second line.</param>
/// <returns>How similar the lines are in length.</returns>
private static double CalculateLengthSimilarity(InternalLine line0, InternalLine line1)
{
double len0 = line0.GetLength(); double len1 = line1.GetLength();
var dif = Math.Abs(len1 - len0);
if (dif == 0)
{
return(1);
}
double shorter;
if (len1 > len0)
{
shorter = len0;
}
else
{
shorter = len1;
}
if (dif >= shorter)
{
return(0);
}
return((shorter - dif) / shorter);
}
