public string ToString(Tonalty tonalty)
{
if (tonalty.Root == -1)
{
return(ToString());
}
if (Scale == -1)
{
switch (NonChordType)
{
case NonChordTypeEnum.NonChord:
return("N");
case NonChordTypeEnum.XMark:
return("X");
case NonChordTypeEnum.QMark:
return("?");
}
}
int delta = Scale - tonalty.Root;
if (delta < 0)
{
delta += 12;
}
return(MajMin ? Num2RomeBig[delta] : Num2RomeSmall[delta]);
}
public void EstimateGlobalTonalty()
{
if (GlobalChroma == null)
{
return;
}
int[] Adder = new int[] { 0, 2, 4, 5, 7, 9, 11 };
int maxAt = 0;
double maxValue = 0;
for (int i = 0; i < 12; ++i)
{
double currentValue = 0;
foreach (int j in Adder)
{
currentValue += GlobalChroma[(i + j) % 12];
}
if (currentValue > maxValue)
{
maxValue = currentValue;
maxAt = i;
}
}
int laPos = maxAt - 3 < 0 ? maxAt + 9 : maxAt - 3;
Tonalty sampleTonalty = new Tonalty(maxAt, GlobalChroma[laPos] > GlobalChroma[maxAt] ? false : true);
foreach (BeatInfo beat in beats)
{
beat.Tonalty = sampleTonalty;
}
}
public static Tonalty RelativeTonalty(Tonalty tonalty)
{
return(new Tonalty(tonalty.Root, !tonalty.MajMin));
}
public BeatInfo()
{
Tonalty = Tonalty.NoTonalty;
ChordTag = Chord.NonChord;
}
