private static int AddEdge(Dictionary <UnorderedTuple <object, object>, GlobalCorrespondencesGraphEdge> edges, SoundCorrespondence corr,
object key1, GlobalSegmentVertex vertex1, object key2, GlobalSegmentVertex vertex2)
{
GlobalCorrespondencesGraphEdge edge = edges.GetValue(UnorderedTuple.Create(key1, key2), () => new GlobalCorrespondencesGraphEdge(vertex1, vertex2));
edge.Frequency += corr.Frequency;
edge.DomainWordPairs.AddRange(corr.WordPairs);
return(edge.Frequency);
}
public IBidirectionalGraph <GlobalCorrespondencesGraphVertex, GlobalCorrespondencesGraphEdge> GenerateGlobalCorrespondencesGraph(SyllablePosition syllablePosition, IEnumerable <Variety> varieties)
{
var varietiesSet = new HashSet <Variety>(varieties);
CogProject project = _projectService.Project;
var graph = new BidirectionalGraph <GlobalCorrespondencesGraphVertex, GlobalCorrespondencesGraphEdge>();
var vertices = new Dictionary <object, GlobalSegmentVertex>();
var edges = new Dictionary <UnorderedTuple <object, object>, GlobalCorrespondencesGraphEdge>();
int maxFreq = 0;
if (syllablePosition == SyllablePosition.Nucleus)
{
graph.AddVertexRange(new GlobalCorrespondencesGraphVertex[]
{
new VowelBacknessVertex(VowelBackness.Front),
new VowelBacknessVertex(VowelBackness.Central),
new VowelBacknessVertex(VowelBackness.Back),
new VowelHeightVertex(VowelHeight.Close),
new VowelHeightVertex(VowelHeight.CloseMid),
new VowelHeightVertex(VowelHeight.OpenMid),
new VowelHeightVertex(VowelHeight.Open)
});
foreach (VarietyPair vp in project.VarietyPairs.Where(vp => varietiesSet.Contains(vp.Variety1) && varietiesSet.Contains(vp.Variety2)))
{
foreach (SoundCorrespondence corr in vp.CognateSoundCorrespondencesByPosition[CogFeatureSystem.Nucleus])
{
VowelHeight height1, height2;
VowelBackness backness1, backness2;
bool round1, round2;
if (GetVowelInfo(corr.Segment1, out height1, out backness1, out round1) && GetVowelInfo(corr.Segment2, out height2, out backness2, out round2) &&
(height1 != height2 || backness1 != backness2 || round1 != round2))
{
Tuple <VowelHeight, VowelBackness, bool> key1 = Tuple.Create(height1, backness1, round1);
GlobalSegmentVertex vertex1 = vertices.GetValue(key1, () => new GlobalVowelVertex(height1, backness1, round1));
vertex1.StrReps.Add(corr.Segment1.StrRep);
Tuple <VowelHeight, VowelBackness, bool> key2 = Tuple.Create(height2, backness2, round2);
GlobalSegmentVertex vertex2 = vertices.GetValue(key2, () => new GlobalVowelVertex(height2, backness2, round2));
vertex2.StrReps.Add(corr.Segment2.StrRep);
int freq = AddEdge(edges, corr, key1, vertex1, key2, vertex2);
maxFreq = Math.Max(freq, maxFreq);
}
}
}
}
else
{
graph.AddVertexRange(new GlobalCorrespondencesGraphVertex[]
{
new ConsonantPlaceVertex(ConsonantPlace.Bilabial),
new ConsonantPlaceVertex(ConsonantPlace.Labiodental),
new ConsonantPlaceVertex(ConsonantPlace.Dental),
new ConsonantPlaceVertex(ConsonantPlace.Alveolar),
new ConsonantPlaceVertex(ConsonantPlace.Postalveolar),
new ConsonantPlaceVertex(ConsonantPlace.Retroflex),
new ConsonantPlaceVertex(ConsonantPlace.Palatal),
new ConsonantPlaceVertex(ConsonantPlace.Velar),
new ConsonantPlaceVertex(ConsonantPlace.Uvular),
new ConsonantPlaceVertex(ConsonantPlace.Pharyngeal),
new ConsonantPlaceVertex(ConsonantPlace.Glottal),
new ConsonantMannerVertex(ConsonantManner.Nasal),
new ConsonantMannerVertex(ConsonantManner.Stop),
new ConsonantMannerVertex(ConsonantManner.Affricate),
new ConsonantMannerVertex(ConsonantManner.Fricative),
new ConsonantMannerVertex(ConsonantManner.Approximant),
new ConsonantMannerVertex(ConsonantManner.FlapOrTap),
new ConsonantMannerVertex(ConsonantManner.Trill),
new ConsonantMannerVertex(ConsonantManner.LateralFricative),
new ConsonantMannerVertex(ConsonantManner.LateralApproximant)
});
foreach (VarietyPair vp in project.VarietyPairs.Where(vp => varietiesSet.Contains(vp.Variety1) && varietiesSet.Contains(vp.Variety2)))
{
SoundCorrespondenceCollection corrs = null;
switch (syllablePosition)
{
case SyllablePosition.Onset:
corrs = vp.CognateSoundCorrespondencesByPosition[CogFeatureSystem.Onset];
break;
case SyllablePosition.Coda:
corrs = vp.CognateSoundCorrespondencesByPosition[CogFeatureSystem.Coda];
break;
}
Debug.Assert(corrs != null);
foreach (SoundCorrespondence corr in corrs)
{
ConsonantPlace place1, place2;
ConsonantManner manner1, manner2;
bool voiced1, voiced2;
if (GetConsonantPosition(corr.Segment1, out place1, out manner1, out voiced1) && GetConsonantPosition(corr.Segment2, out place2, out manner2, out voiced2) &&
(place1 != place2 || manner1 != manner2 || voiced1 != voiced2))
{
Tuple <ConsonantPlace, ConsonantManner, bool> key1 = Tuple.Create(place1, manner1, voiced1);
GlobalSegmentVertex vertex1 = vertices.GetValue(key1, () => new GlobalConsonantVertex(place1, manner1, voiced1));
vertex1.StrReps.Add(corr.Segment1.StrRep);
Tuple <ConsonantPlace, ConsonantManner, bool> key2 = Tuple.Create(place2, manner2, voiced2);
GlobalSegmentVertex vertex2 = vertices.GetValue(key2, () => new GlobalConsonantVertex(place2, manner2, voiced2));
vertex2.StrReps.Add(corr.Segment2.StrRep);
int freq = AddEdge(edges, corr, key1, vertex1, key2, vertex2);
maxFreq = Math.Max(freq, maxFreq);
}
}
}
}
graph.AddVertexRange(vertices.Values);
foreach (GlobalCorrespondencesGraphEdge edge in edges.Values)
{
edge.NormalizedFrequency = (double)edge.Frequency / maxFreq;
graph.AddEdge(edge);
}
return(graph);
}
