/**
* Merges the ClusteringFeature with an other ClusteringFeature.
*
* @param x the ClusteringFeature to merge with
*/
public void merge(ClusteringFeature x) {
assert (this.sumPoints.length == x.sumPoints.length);
this.numPoints += x.numPoints;
super.setWeight(this.numPoints);
for (int i = 0; i < this.sumPoints.length; i++) {
this.sumPoints[i] += x.sumPoints[i];
}
this.sumSquaredLength += x.sumSquaredLength;
}
/**
* Adds a point to the ClusteringFeature.
*
* @param numPoints the number of points to add
* @param sumPoints the sum of points to add
* @param sumSquaredPoints the sum of the squared lengths to add
*/
public void add(int numPoints, double[] sumPoints, double sumSquaredPoints) {
assert (this.sumPoints.length == sumPoints.length);
this.numPoints += numPoints;
super.setWeight(this.numPoints);
for (int i = 0; i < this.sumPoints.length; i++) {
this.sumPoints[i] += sumPoints[i];
}
this.sumSquaredLength += sumSquaredPoints;
}
/**
* Sets the threshold of the ClusteringFeature.
*
* @param threshold the threshold of the ClusteringFeature to set
*/
public void setThreshold(double threshold) {
super.setRadius(threshold);
}
/**
* Sets the number of points of the ClusteringFeature.
*
* @param numPoints the number of points of the ClusteringFeature to set
*/
public void setNumPoints(int numPoints) {
this.numPoints = numPoints;
super.setWeight(numPoints);
}