/*
* ProgressiveScalarTreeTransform.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.evomodel.tree;
import dr.evolution.io.NewickImporter;
import dr.evolution.tree.NodeRef;
import dr.evolution.tree.Tree;
import dr.evolution.tree.TreeTrait;
import dr.inference.model.Model;
import dr.inference.model.Parameter;
import dr.inference.model.Variable;
import dr.util.Citable;
import dr.util.Citation;
import dr.util.CommonCitations;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* @author Marc A. Suchard
* @author Philippe Lemey
*/
public class ProgressiveScalarTreeTransform extends TreeTransform {
public ProgressiveScalarTreeTransform(Parameter scale) {
this(scale, null);
}
public ProgressiveScalarTreeTransform(TreeModel tree, Parameter scale) {
this(scale, new TrialTreeParameterModel(tree, scale, false, false, TreeTrait.Intent.BRANCH));
}
public ProgressiveScalarTreeTransform(Parameter scale, TrialTreeParameterModel treeParameterModel) {
super("progressiveScalarTreeTransform");
int dim = 1;
this.treeParameterModel = treeParameterModel;
this.scale = scale;
if (treeParameterModel != null) {
dim = treeParameterModel.getParameterSize();
addModel(treeParameterModel);
} else {
addVariable(scale);
}
scale.addBounds(new Parameter.DefaultBounds(1.0, 0.0, dim));
StringBuilder sb = new StringBuilder("Creating a branch-specific phenotypic mixture model.\n");
sb.append("\tPlease cite:\n");
sb.append(Citable.Utils.getCitationString(this));
java.util.logging.Logger.getLogger("dr.evomodel.tree").info(sb.toString());
}
public double transform(Tree tree, NodeRef node, double originalHeight) {
// Early exit
if (tree.isExternal(node)) {
return originalHeight;
}
if (tree.isRoot(node)) {
return tree.getNodeHeight(node);
}
// Do recursive work
final double parentHeight = tree.getNodeHeight(tree.getParent(node));
return parentHeight - getScaleForNode(tree, node) * (parentHeight - originalHeight);
}
protected double getScaleForNode(Tree tree, NodeRef node) {
if (treeParameterModel != null) {
return treeParameterModel.getNodeValue(tree, node);
} else {
return scale.getParameterValue(0);
}
}
public String getInfo() {
return "Linear, progressive transform by " + scale.getId();
}
protected void handleModelChangedEvent(Model model, Object object, int index) {
fireModelChanged(treeParameterModel);
}
protected void handleVariableChangedEvent(Variable variable, int index, Variable.ChangeType type) {
fireModelChanged(scale);
}
private final Parameter scale;
private final TrialTreeParameterModel treeParameterModel;
// TODO Move to JUnitTest
public static void main(String[] args) throws Exception {
NewickImporter importer = new NewickImporter(
"((((A:2,B:1):0.5,C:3):1.5,(D:1.5,E:1):3.5):1,F:5);"
// "(0:3.0,(1:2.0,(2:1.0,3:1):1.0):1.0);"
);
Tree tree = importer.importTree(null);
Parameter scale = new Parameter.Default(0.5);
TreeTransform xform = new ProgressiveScalarTreeTransform(scale);
TreeModel treeModel = new TreeModel("original", tree);
TransformedTreeModel model = new TransformedTreeModel("tree", treeModel, xform);
System.err.println(model.toString());
TreeTransform xform2 = new SingleScalarTreeTransform(scale);
TransformedTreeModel model2 = new TransformedTreeModel("tree2", treeModel, xform2);
System.err.println(model2.toString());
}
}