public Embedder2D(DistancedPoints p) {
this.points = p;
tableLastUpdated = points.getLastUpdateTime();
savedPoints = new ArrayList<String>();
for (int i = 0; i < points.getCount(); i++) savedPoints.add(points.getPointId(i));
xy = new Vector2D[points.getCount()];
for (int i = 0; i < points.getCount(); i++) xy[i] = new Vector2D(0, 0);
maxX = 0;
maxY = 0;
minX = 0;
minY = 0;
}
private void updateStructure(long u) {
tableLastUpdated = u;
ArrayList<String> newPoints = new ArrayList<String>();
for (int i = 0; i < points.getCount(); i++) newPoints.add(points.getPointId(i));
Vector2D[] newxy = new Vector2D[newPoints.size()];
for (int i = 0; i < newxy.length; i++) {
int index = savedPoints.indexOf(newPoints.get(i));
if (index >= 0 && index < savedPoints.size()) newxy[i] = xy[index];
else newxy[i] = new Vector2D();
}
xy = newxy;
savedPoints = newPoints;
}
public double getY(int index) {
if (index < 0 || index >= xy.length) {
System.exit(0);
}
long u = points.getLastUpdateTime();
if (tableLastUpdated != u) updateStructure(u);
return xy[index].y;
}
public void setX(int index, double x) {
if (index < 0 || index >= xy.length) {
System.exit(0);
}
long u = points.getLastUpdateTime();
if (tableLastUpdated != u) updateStructure(u);
xy[index].x = x;
if (x > maxX) maxX = x;
if (x < minX) minX = x;
}
public void setY(int index, double y) {
if (index < 0 || index >= xy.length) {
System.exit(0);
}
long u = points.getLastUpdateTime();
if (tableLastUpdated != u) updateStructure(u);
xy[index].y = y;
if (y > maxY) maxY = y;
if (y < minY) minY = y;
}
private TreeNode getTreeNode(DendrogramNode dendrogramNode) {
TreeNode node = new TreeNode();
if (dendrogramNode instanceof ObservationNode) {
String id = distancedPoints.getPointId(((ObservationNode) dendrogramNode).getObservation());
Property<PString> pId = new Property<PString>(PROPERTY_ID, new PString(id));
node.addProperty(pId);
} else {
if (dendrogramNode.getRight() != null) {
TreeNode rightTreeNode = getTreeNode(dendrogramNode.getRight());
node.addChild(rightTreeNode);
}
if (dendrogramNode.getLeft() != null) {
TreeNode leftTreeNode = getTreeNode(dendrogramNode.getLeft());
node.addChild(leftTreeNode);
}
}
return node;
}
