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The JCAMP-DX project is the reference implemention of the IUPAC JCAMP-DX spectroscopy data standard.

There is a newer version: 0.9.2

package org.jcamp.spectrum;

import java.util.Vector;

import org.jcamp.math.Integral;
/**
 * peak picking algorithm extending the MinHeightPeakPicking algorithm which uses the area under the peak as an additional criteria
 * @author Thomas Weber
 * @see MinHeightPeakPicking
 */
public class MinAreaPeakPicking extends MinHeightPeakPicking {
    /**
     * minimum area (integral) under a peak 
     */
    private double minArea;
    /**
     * MinAreaPeakPicking constructor comment.
     * @param minHeight double
     * @param noise double
     */
    public MinAreaPeakPicking(double minArea, double minHeight, double noise) {
        super(minHeight, noise);
        this.minArea = minArea;
    }
    /**
     * @return java.util.Vector
     * @param spectrum Spectrum1D
     */
    public Vector calculate(Spectrum1D spectrum) {
        Vector filteredPeaks = new Vector();
        if (/*!*/ spectrum.isFullSpectrum()) {
            Vector peaks = super.calculate(spectrum);
            for (int i = 0; i < peaks.size(); i++) {
                Peak1D peak = (Peak1D) peaks.elementAt(i);
                Integral integral = new Spectrum1DIntegral(spectrum, peak.getRange());
                if (integral.getArea() > minArea)
                    filteredPeaks.addElement(peak);
            }
        }
        return filteredPeaks;
    }
    /**
     * Insert the method's description here.
     * Creation date: (30.06.00 18:05:11)
     * @return double
     */
    public double getMinArea() {
        return this.minArea;
    }
    /**
     * Insert the method's description here.
     * Creation date: (30.06.00 18:05:11)
     * @param newMinArea double
     */
    public void setMinArea(double newMinArea) {
        this.minArea = newMinArea;
    }
}