public override Relationship DeepCopyUsingNewGroupsInAnalogy(Relationship r, Analogy a)
{
GroupElement newLHS, newRHS;
FindNewLHSRHS(r, a, out newLHS, out newRHS);
RelationshipMelodyContour rNew = new RelationshipMelodyContour(newLHS, newRHS, a.Strength);
return(rNew);
}
public override void Run()
{
if (cr == null)
{
cr = workspace.PickRandomContourRelationshipByRecencyAndStrength();
}
if (cr == null)
{
return;
}
if (!workspace.relationships.Contains(cr))
{
return;
}
// Add to attention history.
workspace.RecordCodeletAttentionHistory(this, cr.LHS.MinLocation, cr.LHS.MaxLocation);
workspace.RecordCodeletAttentionHistory(this, cr.RHS.MinLocation, cr.RHS.MaxLocation);
// We have a contour relationship. Check for same # notes.
GroupElement ge1 = cr.LHS;
GroupElement ge2 = cr.RHS;
if (ge1.AllNotes.Count != ge2.AllNotes.Count)
{
return;
}
// Ignore the trivial transposition of 0 or 1 note.
if (ge1.AllNotes.Count < 2)
{
return;
}
// Get PCs in C.
Key k = new Key();
List <ScaleDegree> sds1 = GetScaleDegrees(ge1.AllNotes, k);
List <ScaleDegree> sds2 = GetScaleDegrees(ge2.AllNotes, k);
// Calculate transposition.
int tranposition = 0;
for (int i = 0; i < sds1.Count; i++)
{
ScaleDegree sd1 = sds1[i];
ScaleDegree sd2 = sds2[i];
// skip rests if they are both rests.
if (sd1 == null && sd2 == null)
{
continue;
}
// if just one is a rest, cancel.
if (sd1 == null || sd2 == null)
{
return;
}
tranposition = sds2[i].Number - sds1[i].Number;
break;
}
if (tranposition < 0)
{
tranposition += NUM_SCALE_DEGREES;
}
for (int i = 1; i < sds1.Count; i++)
{
ScaleDegree sd1 = sds1[i];
ScaleDegree sd2 = sds2[i];
// skip rests if they are both rests.
if (sd1 == null && sd2 == null)
{
continue;
}
// if just one is a rest, cancel.
if (sd1 == null || sd2 == null)
{
return;
}
int diff = sd2.Number - sd1.Number;
if (diff < 0)
{
diff += NUM_SCALE_DEGREES;
}
if (diff != tranposition)
{
return;
}
}
workspace.AddRelationship(new RelationshipTransposition(ge1, ge2, 100));
}
/// <summary>
/// Use this constructer to tell the codelet which measure to examine.
/// Otherwise, it picks one randomly.
/// </summary>
/// <param name="urgency"></param>
/// <param name="parent"></param>
/// <param name="coderack"></param>
/// <param name="workspace"></param>
/// <param name="slipnet"></param>
/// <param name="notes"></param>
public LookForTranspositionRelationshipCodelet(int urgency, Codelet parent, Coderack coderack, Workspace workspace, Slipnet slipnet,
RelationshipMelodyContour cr)
: base("Look for Transposition Relationship", urgency, parent, coderack, workspace, slipnet)
{
this.cr = cr;
}
