/// <summary>
/// Add a item to this cluster and adjust the cluster vector, itemship list and sum vector accordingly.
/// </summary>
/// <param name="item">The item to be added.</param>
public void AddItemToCluster(FeatureItem item)
{
if (!ClusterItemList.Contains(item))
{
ClusterItemList.Add(item);
AdaptiveIntersect.UpdateFeatureIntersectionByLast(ClusterItemList, ClusterVector);
AdaptiveIntersect.UpdateFeatureSummaryByLast(ClusterItemList, ClusterVectorSummary);
//----- remove for debugging and tests only
tempClusterVectorMagnitude = AdaptiveIntersect.CalculateVectorMagnitude(ClusterVector); //remove for debugging and tests only
tempClusterVectorSummaryMagnitude = AdaptiveIntersect.CalculateVectorMagnitude(ClusterVectorSummary); //remove for debugging and tests only
}
}
public void AddClusterToHyperCluster(Cluster cluster)
{
ClusterList.Add(cluster);
AdaptiveIntersect.UpdateClusterIntersectionByLast(ClusterList, HyperClusterVector);
AdaptiveIntersect.UpdateClusterSummaryByLast(ClusterList, HyperClusterVectorSummary);
ValidHyperClusterItemList = false;
//TODO: rendutant analyse to remove it
//for (int i = 0; i < cluster.ClusterItemList.Count; i++)
//{
// HyperClusterItemList.Add(cluster.ClusterItemList[i]);
//}
}
/// <summary>
/// Constructor. Cluster vector is set to the initial feature vector.
/// </summary>
/// <param name="item">The item used to construct this cluster</param>
public Cluster(FeatureItem item)
{
//resulting values should be copied
ClusterVector = new double[item.FeatureVector.Length];
Array.Copy(item.FeatureVector, ClusterVector, item.FeatureVector.Length);
ClusterVectorSummary = new double[item.FeatureVector.Length];
Array.Copy(item.FeatureVector, ClusterVectorSummary, item.FeatureVector.Length);
ClusterItemList = new List <FeatureItem>();
ClusterItemList.Add(item);
//----- remove for debugging and tests only
tempClusterVectorMagnitude = AdaptiveIntersect.CalculateVectorMagnitude(ClusterVector); //remove for debugging and tests only
tempClusterVectorSummaryMagnitude = AdaptiveIntersect.CalculateVectorMagnitude(ClusterVectorSummary); //remove for debugging and tests only
}
/// <summary>
/// Remove a item from this cluster and update cluster Vector accordingly (basd on other assigned items)
/// Return false if ItemList is empty
/// </summary>
/// <param name="item">The item to be removed</param>
public bool RemoveItemFromCluster(FeatureItem item)
{
if (ClusterItemList.Remove(item) == true)
{
if (ClusterItemList.Count > 0) //recalculate vector summary only if not empty
{
AdaptiveIntersect.CalculateFeatureIntersection(ClusterItemList, ClusterVector);
AdaptiveIntersect.CalculateFeatureSummary(ClusterItemList, ClusterVectorSummary);
//----- remove for debugging and tests only
tempClusterVectorMagnitude = AdaptiveIntersect.CalculateVectorMagnitude(ClusterVector); //remove for debugging and tests only
tempClusterVectorSummaryMagnitude = AdaptiveIntersect.CalculateVectorMagnitude(ClusterVectorSummary); //remove for debugging and tests only
}
}
return(ClusterItemList.Count > 0);
}
public bool RemoveClusterFromHyperCluster(Cluster cluster)
{
if (ClusterList.Remove(cluster) == true)
{
if (ClusterList.Count > 0)
{
AdaptiveIntersect.CalculateClusterIntersection(ClusterList, HyperClusterVector);
AdaptiveIntersect.CalculateClusterSummary(ClusterList, HyperClusterVectorSummary);
//TODO: redundant analyse to remove it
// nie ma senzu sa kazdym razem tworzyc listy, tylko wtedy gdy bedzie do niej potrzebny dostep
//HyperClusterItemList.Clear();
//for(int i=0; i< ClusterList.Count; i++)
//{
// for(int j = 0; j < ClusterList[i].ClusterItemList.Count; j++)
// {
// HyperClusterItemList.Add(ClusterList[i].ClusterItemList[j]);
// }
//}
}
ValidHyperClusterItemList = false;
}
return(ClusterList.Count > 0);
}