hmmintegerdrawer.java

java实现的隐马尔科夫模型

/* jahmm package - v0.3.1 */

/*
 *  Copyright (c) 2004, Jean-Marc Francois.
 *
 *  This file is part of Jahmm.
 *  Jahmm is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  Jahmm 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Jahmm; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package be.ac.ulg.montefiore.run.jahmm.draw;

import java.io.*;
import be.ac.ulg.montefiore.run.jahmm.*;


/**
 * An HMM to <i>dot</i> file converter for HMMs working with integers (using
 * the {@link be.ac.ulg.montefiore.run.jahmm.OpdfInteger OpdfInteger}
 * distribution function).
 */
public class HmmIntegerDrawer 
    extends HmmDrawer {

    /**
     * This class converts an HMM working with integers to a dot file.
     */
    public HmmIntegerDrawer() {
    }

    
    String opdfLabel(Hmm hmm, int stateNb) {
	String s = "[";
	
	OpdfInteger opdf = (OpdfInteger) hmm.getOpdf(stateNb);

	for (int i = 0; i < opdf.nbEntries(); i++) {
	    ObservationInteger oi = new ObservationInteger(i);
	    
	    s += " " + probabilityFormat.format(opdf.probability(oi));
	}
	
	return s + " ]";
    }
}