/*
* RootToTipLengths.java
*
* Copyright (c) 2002-2015 Alexei Drummond, Andrew Rambaut and Marc Suchard
*
* This file is part of BEAST.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership and licensing.
*
* BEAST is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* BEAST is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with BEAST; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
package dr.app.treestat.statistics;
import dr.evolution.tree.NodeRef;
import dr.evolution.tree.Tree;
import dr.evolution.util.TaxonList;
/**
*
* @version $Id: RootToTipLengths.java,v 1.1 2005/09/28 13:50:56 rambaut Exp $
*
* @author Alexei Drummond
*/
public class RootToTipLengths implements TreeSummaryStatistic {
private RootToTipLengths() { }
public int getStatisticDimensions(Tree tree) {
return tree.getExternalNodeCount();
}
public String getStatisticLabel(Tree tree, int i) {
return tree.getTaxonId(i);
}
public double[] getSummaryStatistic(Tree tree) {
int externalNodeCount = tree.getExternalNodeCount();
double[] stats = new double[externalNodeCount];
for (int i = 0; i < externalNodeCount; i++) {
NodeRef node = tree.getExternalNode(i);
stats[i] = 0.0;
while (node != tree.getRoot()) {
stats[i] += tree.getBranchLength(node);
node = tree.getParent(node);
}
}
return stats;
}
public void setTaxonList(TaxonList taxonList) {
throw new UnsupportedOperationException("not implemented in this statistic");
}
public void setInteger(int value) {
throw new UnsupportedOperationException("not implemented in this statistic");
}
public void setDouble(double value) {
throw new UnsupportedOperationException("not implemented in this statistic");
}
public void setString(String value) {
throw new UnsupportedOperationException("not implemented in this statistic");
}
public String getSummaryStatisticName() { return FACTORY.getSummaryStatisticName(); }
public String getSummaryStatisticDescription() { return FACTORY.getSummaryStatisticDescription(); }
public String getSummaryStatisticReference() { return FACTORY.getSummaryStatisticReference(); }
public boolean allowsPolytomies() { return FACTORY.allowsPolytomies(); }
public boolean allowsNonultrametricTrees() { return FACTORY.allowsNonultrametricTrees(); }
public boolean allowsUnrootedTrees() { return FACTORY.allowsUnrootedTrees(); }
public Category getCategory() { return FACTORY.getCategory(); }
public static final Factory FACTORY = new Factory() {
public TreeSummaryStatistic createStatistic() {
return new RootToTipLengths();
}
public String getSummaryStatisticName() {
return "Root-Tip Lengths";
}
public String getSummaryStatisticDescription() {
return "The length from the root to each tip in the tree.";
}
public String getSummaryStatisticReference() {
return "-";
}
public boolean allowsPolytomies() { return true; }
public boolean allowsNonultrametricTrees() { return true; }
public boolean allowsUnrootedTrees() { return false; }
public Category getCategory() { return Category.GENERAL; }
};
}