//add Element to the dummy Cluster
public void AddElement2defaultCluster(Element t)
{
Cluster tempcluster = (Cluster)clusterList[0];
tempcluster.Add(t);
elementList.Add(t);
t.ElementID = elementList.IndexOf(t) + 1;
}
public void Add(Element t)
{//Add element to cluster
t.setClusterID(ID);
if (First == null)
{
First = t;
}
else
{
First.Before = t;
t.After = First;
First = t;
}
NumberLinks += num;
num++;
}
private double Move_Vari_ValueCalculator(Element t0, Cluster sA)//should confirm AddVal[t0,s0]&AddVal[t0,sA] updated!!
{
Cluster s0 = getClusterbyID(t0.ClusterID);
if (s0.ID == sA.ID)
{
return 0;
}
double NewFullValA = (Sum_Value[sA.ID] + AddVal[t0.ElementID, sA.ID]) / (sA.NumberLinks + sA.num);
double NewFullVal0 = (Sum_Value[s0.ID] - AddVal[t0.ElementID, s0.ID]) / (s0.NumberLinks - s0.num + 1);
double new_Vari_s0 = 0;
Element ele1, ele2;
double temval;
#region MoveVariValue Changed in S0
ele1 = s0.First;
while (ele1 != null)
{
if (ele1 != t0)
{
ele2 = ele1.After;
while (ele2 != null)
{
if (ele2 != t0)
{
temval = CalculateScore(ele1, ele2);
new_Vari_s0 += (temval - NewFullVal0) * (temval - NewFullVal0);
}
ele2 = ele2.After;
}
}
ele1 = ele1.After;
}
#endregion
#region MoveVariValue Changed in SA
double new_Vari_SA = 0;
ele1 = sA.First;
while (ele1 != null)
{
ele2 = ele1.After;
while (ele2 != null)
{
temval = CalculateScore(ele1, ele2);
new_Vari_SA += (temval - NewFullValA) * (temval - NewFullValA);
ele2 = ele2.After;
}
temval = CalculateScore(ele1, t0);
new_Vari_SA += (temval - NewFullValA) * (temval - NewFullValA);
ele1 = ele1.After;
}
#endregion
new_Vari_s0 = new_Vari_s0 / (s0.NumberLinks - s0.num + 1);
new_Vari_SA = new_Vari_SA / (sA.NumberLinks + sA.num);
return new_Vari_s0 + new_Vari_SA - Vari_Value[s0.ID] - Vari_Value[sA.ID];
}
private double MoveValueCalculator(Element t0, Cluster sA)
{
double valueSA = Calculator(sA);
double _valueSA = valueSA + AddValueCalculator(t0, sA);
int numlinkSA = sA.num * (sA.num - 1) / 2;
int _numlinkSA = numlinkSA + sA.num;
double DelFullA = _valueSA / _numlinkSA - valueSA / numlinkSA;
Cluster s0 = getClusterbyID(t0.ClusterID);
double valueS0 = Calculator(s0);
double _valueS0 = valueS0 - AddValueCalculator(t0, s0);
int numlinkS0 = s0.num * (s0.num - 1) / 2;
int _numlinkS0 = numlinkS0 - s0.num + 1;
double DelFullD = _valueS0 / _numlinkS0 - valueS0 / numlinkS0;
return DelFullA + DelFullD;
}
private double AddValueCalculator(Element t0, Cluster s0)
{
Element t = s0.First;
double tempval = 0;
while (t != null)
{
tempval += CalculateScore(t0, t);
t = t.After;
}
return tempval;
}
public double CalculateScore(Element t1, Element t2)//Coordinate distance calculation, No need in current version, pick value directly from score.
{
//double score = 0;
//if (t1 == t2)
//{
// return 0;
//}
//if (t1 == null || t2 == null)
//{
// return double.MaxValue;
//}
//for (int i = 0; i < t1.AttributesX.Count; i++)
//{
// double tempscore = Convert.ToDouble(t1.AttributesX[i]) - Convert.ToDouble(t2.AttributesX[i]);
// if (tempscore < 0)
// {
// tempscore = 0 - tempscore;
// }
// score += tempscore*tempscore;
//}
//int X = t1.ElementID;
//int Y = t2.ElementID;
//score = Score[X, Y];
//if (score > 0)
//{
//return score;
//}
//else
//{
// return -score;
//}
return Score[t1.ElementID, t2.ElementID];
}