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/**
 * Copyright 2008 DFKI GmbH.
 * All Rights Reserved.  Use is subject to license terms.
 *
 * This file is part of MARY TTS.
 *
 * MARY TTS 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, version 3 of the License.
 *
 * This program 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 this program.  If not, see .
 *
 */

/*
 * DrawHistogram.java
 *
 * Created on 23 July, 2008, 3:42 PM
 */

package marytts.tools.analysis;

import gov.noaa.pmel.sgt.dm.SGTData;
import gov.noaa.pmel.sgt.dm.SGTMetaData;
import gov.noaa.pmel.sgt.dm.SimpleLine;
import gov.noaa.pmel.sgt.swing.JPlotLayout;

import java.text.DecimalFormat;

import marytts.util.math.Histogram;

/**
 * 
 * @author sathish
 */
public class DrawHistogram extends javax.swing.JFrame {

	public JPlotLayout layout_;
	public Histogram histData;

	/**
	 * Creates new form DarwHistogram
	 * 
	 * @param data
	 *            data
	 */
	public DrawHistogram(double[] data) {
		initComponents();
		this.setHistogramData(data, 25);
		this.drawFirstHistogram(25);
	}

	public DrawHistogram(double[] data, int nbins) {
		initComponents();
		this.setHistogramData(data, nbins);
		this.drawFirstHistogram(nbins);
	}

	private void drawFirstHistogram(int nbins) {
		try {
			DecimalFormat df = new DecimalFormat(" ##0.0000;-##0.0000");
			layout_ = new JPlotLayout(false, false, false, "Trajectory data", null, false);
			layout_ = this.plotHistogram(layout_);
			this.getHistogram().resize(histogram.size());
			bandwidth.setValue(nbins);
			histogram.add(this.getHistogram());
			histogram.updateUI();
			jLabel4.setText("" + df.format(histData.mean()));
			jLabel6.setText("" + df.format(histData.variance()));
			jLabel8.setText("" + df.format(histData.stdDev()));
			System.out.println("Mean: " + histData.mean());
			System.out.println("Variance: " + histData.variance());
			System.out.println("Max: " + histData.max());
			System.out.println("Min: " + histData.min());

		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * This method is called from within the constructor to initialize the form. WARNING: Do NOT modify this code. The content of
	 * this method is always regenerated by the Form Editor.
	 */
	// //GEN-BEGIN:initComponents
	private void initComponents() {
		histogram = new javax.swing.JPanel();
		controls = new javax.swing.JPanel();
		bandwidth = new javax.swing.JSlider();
		jLabel1 = new javax.swing.JLabel();
		jLabel2 = new javax.swing.JLabel();
		jLabel3 = new javax.swing.JLabel();
		jLabel4 = new javax.swing.JLabel();
		jLabel5 = new javax.swing.JLabel();
		jLabel6 = new javax.swing.JLabel();
		jLabel7 = new javax.swing.JLabel();
		jLabel8 = new javax.swing.JLabel();

		setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
		org.jdesktop.layout.GroupLayout histogramLayout = new org.jdesktop.layout.GroupLayout(histogram);
		histogram.setLayout(histogramLayout);
		histogramLayout.setHorizontalGroup(histogramLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING).add(0,
				646, Short.MAX_VALUE));
		histogramLayout.setVerticalGroup(histogramLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING).add(0, 451,
				Short.MAX_VALUE));

		bandwidth.setMaximum(200);
		bandwidth.setMinimum(5);
		bandwidth.setValue(25);
		bandwidth.addChangeListener(new javax.swing.event.ChangeListener() {
			public void stateChanged(javax.swing.event.ChangeEvent evt) {
				changeBandWidth(evt);
			}
		});

		jLabel1.setText("No. of Bins  :");

		jLabel2.setText("25");

		jLabel3.setText("Mean   :");

		jLabel4.setText("0");

		jLabel5.setText("Variance   :");

		jLabel6.setText("0");

		jLabel7.setText("Std. Dev.   :");

		jLabel8.setText("0");

		org.jdesktop.layout.GroupLayout controlsLayout = new org.jdesktop.layout.GroupLayout(controls);
		controls.setLayout(controlsLayout);
		controlsLayout.setHorizontalGroup(controlsLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING).add(
				controlsLayout
						.createSequentialGroup()
						.add(12, 12, 12)
						.add(controlsLayout
								.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
								.add(jLabel7)
								.add(controlsLayout
										.createSequentialGroup()
										.add(controlsLayout
												.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
												.add(controlsLayout
														.createSequentialGroup()
														.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
														.add(bandwidth, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 278,
																org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
												.add(controlsLayout.createSequentialGroup().add(96, 96, 96).add(jLabel1)
														.add(14, 14, 14).add(jLabel2)))
										.add(114, 114, 114)
										.add(controlsLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
												.add(jLabel3).add(jLabel5))))
						.add(18, 18, 18)
						.add(controlsLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING).add(jLabel4)
								.add(jLabel6).add(jLabel8)).addContainerGap(149, Short.MAX_VALUE)));
		controlsLayout.setVerticalGroup(controlsLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING).add(
				controlsLayout
						.createSequentialGroup()
						.add(31, 31, 31)
						.add(controlsLayout
								.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
								.add(controlsLayout
										.createSequentialGroup()
										.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
										.add(controlsLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
												.add(jLabel3).add(jLabel4)))
								.add(controlsLayout
										.createSequentialGroup()
										.add(bandwidth, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE,
												org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
												org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
										.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
										.add(controlsLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
												.add(jLabel2).add(jLabel1).add(jLabel5).add(jLabel6))))
						.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
						.add(controlsLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE).add(jLabel7)
								.add(jLabel8)).addContainerGap(68, Short.MAX_VALUE)));

		org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
		getContentPane().setLayout(layout);
		layout.setHorizontalGroup(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING).add(
				layout.createSequentialGroup()
						.addContainerGap()
						.add(layout
								.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
								.add(org.jdesktop.layout.GroupLayout.TRAILING, controls,
										org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
										org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
								.add(histogram, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
										org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)).addContainerGap()));
		layout.setVerticalGroup(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING).add(
				layout.createSequentialGroup()
						.addContainerGap()
						.add(histogram, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE,
								org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
						.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
						.add(controls, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
								org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE).addContainerGap()));
		pack();
	}// //GEN-END:initComponents

	private void changeBandWidth(javax.swing.event.ChangeEvent evt) {// GEN-FIRST:event_changeBandWidth
		// TODO add your handling code here:
		try {
			int bwSlide = bandwidth.getValue();
			this.jLabel2.setText(Integer.toString(bwSlide));
			this.rePlotHistogram(bwSlide);
			this.getHistogram().resize(histogram.size());
			histogram.add(this.getHistogram());
			histogram.updateUI();
		} catch (Exception e) {
			System.err.println("Exception: " + e);
			e.printStackTrace();
		}

	}// GEN-LAST:event_changeBandWidth

	public void setHistogramData(double[] data, int nbins) {
		this.histData = new Histogram(data, nbins);
	}

	public JPlotLayout plotHistogram(JPlotLayout layout) {

		// layout = this.plotHistogram(layout_);
		/*
		 * Batch changes to layout.
		 */
		layout.setBatch(true);
		layout.setTitles("Hitogram Analysis", "", "");
		layout.setTitleHeightP(0.2, 0.2);
		// pack();
		SimpleLine sdata = new SimpleLine(histData.getSampleArray(), histData.getHistArray(), " Float " + "Hist1");
		SGTMetaData meta = new SGTMetaData("Values", "data", false, false);
		sdata.setXMetaData(meta);
		meta = new SGTMetaData("Histogram", "no. of occurrences", false, false);
		sdata.setYMetaData(meta);
		SGTData data = sdata;
		layout.addData(data);
		layout.setBatch(false);
		return layout;
	}

	public void rePlotHistogram(int bandwidth) {
		this.clearHistogram();
		histData.changeSettings(bandwidth);
		layout_ = this.plotHistogram(layout_);
	}

	public void clearHistogram() {
		layout_.clear();
	}

	public JPlotLayout getHistogram() {

		return layout_;
	}

	// Variables declaration - do not modify//GEN-BEGIN:variables
	private javax.swing.JSlider bandwidth;
	private javax.swing.JPanel controls;
	private javax.swing.JPanel histogram;
	private javax.swing.JLabel jLabel1;
	private javax.swing.JLabel jLabel2;
	private javax.swing.JLabel jLabel3;
	private javax.swing.JLabel jLabel4;
	private javax.swing.JLabel jLabel5;
	private javax.swing.JLabel jLabel6;
	private javax.swing.JLabel jLabel7;
	private javax.swing.JLabel jLabel8;
	// End of variables declaration//GEN-END:variables

}