private void ClassifyMinorTriadsZ12(Triad triad)
{
long firstNotePitchClass = MusicHelper.ReduceToPitchClass(triad.FirstNote.EulerPoint.P.Numerator, 12);
long secondNotePitchClass = MusicHelper.ReduceToPitchClass(triad.SecondNote.EulerPoint.P.Numerator, 12);
long thirdNotePitchClass = MusicHelper.ReduceToPitchClass(triad.ThirdNote.EulerPoint.P.Numerator, 12);
if (triad.triadType == TriadType.NoTriad) //Abbrechen wenn Dreiklangtyp gefunden wurde
{
long lowerInterval = secondNotePitchClass - firstNotePitchClass;
lowerInterval = MusicHelper.ReduceToPitchClass(lowerInterval, 12);
long upperInterval = thirdNotePitchClass - secondNotePitchClass;
upperInterval = MusicHelper.ReduceToPitchClass(upperInterval, 12);
CheckIfExpectedEqualsValueAndSetType(MusicHelper.MinorThird, lowerInterval, MusicHelper.MajorThird, upperInterval, TriadType.MinorTriad, TriadInversion.NoInversion, FundamentalTone.FirstNote, triad);
CheckIfExpectedEqualsValueAndSetType(MusicHelper.MajorThird, lowerInterval, MusicHelper.Fourth, upperInterval, TriadType.MinorTriad, TriadInversion.FirstInversion, FundamentalTone.ThirdNote, triad);
CheckIfExpectedEqualsValueAndSetType(MusicHelper.Fourth, lowerInterval, MusicHelper.MinorThird, upperInterval, TriadType.MinorTriad, TriadInversion.SecondInversion, FundamentalTone.SecondNote, triad);
CheckIfExpectedEqualsValueAndSetType(MusicHelper.Fifth, lowerInterval, MusicHelper.MinorSixth, upperInterval, TriadType.MinorTriad, TriadInversion.StatisticalInversionFundamentalToneFirst, FundamentalTone.FirstNote, triad);
CheckIfExpectedEqualsValueAndSetType(MusicHelper.MajorSixth, lowerInterval, MusicHelper.Fourth, upperInterval, TriadType.MinorTriad, TriadInversion.StatisticalInversionFundamentalToneSecond, FundamentalTone.SecondNote, triad);
CheckIfExpectedEqualsValueAndSetType(MusicHelper.MinorSixth, lowerInterval, MusicHelper.MajorSixth, upperInterval, TriadType.MinorTriad, TriadInversion.StatisticalInversionFundamentalToneThird, FundamentalTone.ThirdNote, triad);
}
else
{
return;
}
}
private void ClassifyDiminishedTriadsZ12(Triad triad)
{
//Reduce note value to pitch class
long firstNotePitchClass = MusicHelper.ReduceToPitchClass(triad.FirstNote.EulerPoint.P.Numerator, 12);
long secondNotePitchClass = MusicHelper.ReduceToPitchClass(triad.SecondNote.EulerPoint.P.Numerator, 12);
long thirdNotePitchClass = MusicHelper.ReduceToPitchClass(triad.ThirdNote.EulerPoint.P.Numerator, 12);
if (triad.triadType == TriadType.NoTriad) //Abbrechen wenn Dreiklangtyp gefunden wurde
{
//Calculate difference between notes
long lowerInterval = secondNotePitchClass - firstNotePitchClass;
lowerInterval = MusicHelper.ReduceToPitchClass(lowerInterval, 12);
long upperInterval = thirdNotePitchClass - secondNotePitchClass;
upperInterval = MusicHelper.ReduceToPitchClass(upperInterval, 12);
//check if difference between notes (interval) equals the intervals for diminished triads
//all options need to be tested
CheckIfExpectedEqualsValueAndSetType(MusicHelper.MinorThird, lowerInterval, MusicHelper.MinorThird, upperInterval, TriadType.DiminishedTriad, TriadInversion.NoInversion, FundamentalTone.Default, triad);
//CheckIfExpectedEqualsValueAndSetType( MusicHelper.MinorThird, lowerInterval, MusicHelper.MinorThird, upperInterval, TriadType.AugmentedTriad, TriadInversion.FirstInversion, triad );
//CheckIfExpectedEqualsValueAndSetType( MusicHelper.MinorThird, lowerInterval, MusicHelper.MinorThird, upperInterval, TriadType.AugmentedTriad, TriadInversion.SecondInversion, triad );
CheckIfExpectedEqualsValueAndSetType(MusicHelper.MajorSixth, lowerInterval, MusicHelper.Tritone, upperInterval, TriadType.DiminishedTriad, TriadInversion.NoInversion, FundamentalTone.Default, triad);
CheckIfExpectedEqualsValueAndSetType(MusicHelper.Tritone, lowerInterval, MusicHelper.MajorSixth, upperInterval, TriadType.DiminishedTriad, TriadInversion.NoInversion, FundamentalTone.Default, triad);
}
else
{
return;
}
}