Examples with SimplePeakListRow net.sf.mzmine.datamodel.impl.SimplePeakListRow used on opensource projects

Example 1 with SimplePeakListRow

use of net.sf.mzmine.datamodel.impl.SimplePeakListRow in project mzmine2 by mzmine.

the class ADAP3DecompositionV1_5Task method decomposePeaks.

private PeakList decomposePeaks(PeakList peakList) throws CloneNotSupportedException, IOException {
    RawDataFile dataFile = peakList.getRawDataFile(0);
    // Create new feature list.
    final PeakList resolvedPeakList = new SimplePeakList(peakList + " " + parameters.getParameter(ADAP3DecompositionV1_5Parameters.SUFFIX).getValue(), dataFile);
    // Load previous applied methods.
    for (final PeakList.PeakListAppliedMethod method : peakList.getAppliedMethods()) {
        resolvedPeakList.addDescriptionOfAppliedTask(method);
    }
    // Add task description to feature list.
    resolvedPeakList.addDescriptionOfAppliedTask(new SimplePeakListAppliedMethod("Peak deconvolution by ADAP-3", parameters));
    // Collect peak information
    List<Peak> peaks = getPeaks(peakList, this.parameters.getParameter(ADAP3DecompositionV1_5Parameters.EDGE_TO_HEIGHT_RATIO).getValue(), this.parameters.getParameter(ADAP3DecompositionV1_5Parameters.DELTA_TO_HEIGHT_RATIO).getValue());
    // Find components (a.k.a. clusters of peaks with fragmentation spectra)
    List<Component> components = getComponents(peaks);
    // Create PeakListRow for each components
    List<PeakListRow> newPeakListRows = new ArrayList<>();
    int rowID = 0;
    for (final Component component : components) {
        if (component.getSpectrum().isEmpty())
            continue;
        PeakListRow row = new SimplePeakListRow(++rowID);
        // Add the reference peak
        PeakListRow refPeakRow = originalPeakList.getRow(component.getBestPeak().getInfo().peakID);
        Feature refPeak = new SimpleFeature(refPeakRow.getBestPeak());
        // Add spectrum
        List<DataPoint> dataPoints = new ArrayList<>();
        for (Map.Entry<Double, Double> entry : component.getSpectrum().entrySet()) {
            dataPoints.add(new SimpleDataPoint(entry.getKey(), entry.getValue()));
        }
        refPeak.setIsotopePattern(new SimpleIsotopePattern(dataPoints.toArray(new DataPoint[dataPoints.size()]), IsotopePattern.IsotopePatternStatus.PREDICTED, "Spectrum"));
        row.addPeak(dataFile, refPeak);
        // Add PeakInformation
        if (refPeakRow.getPeakInformation() == null) {
            SimplePeakInformation information = new SimplePeakInformation(new HashMap<>(refPeakRow.getPeakInformation().getAllProperties()));
            row.setPeakInformation(information);
        }
        // Set row properties
        row.setAverageMZ(refPeakRow.getAverageMZ());
        row.setAverageRT(refPeakRow.getAverageRT());
        // resolvedPeakList.addRow(row);
        newPeakListRows.add(row);
    }
    // ------------------------------------
    // Sort new peak rows by retention time
    // ------------------------------------
    Collections.sort(newPeakListRows, new Comparator<PeakListRow>() {

        @Override
        public int compare(PeakListRow row1, PeakListRow row2) {
            double retTime1 = row1.getAverageRT();
            double retTime2 = row2.getAverageRT();
            return Double.compare(retTime1, retTime2);
        }
    });
    for (PeakListRow row : newPeakListRows) resolvedPeakList.addRow(row);
    return resolvedPeakList;
}

Example 2 with SimplePeakListRow

use of net.sf.mzmine.datamodel.impl.SimplePeakListRow in project mzmine2 by mzmine.

the class IsotopePeakScannerTask method copyPeakRow.

/**
 * Create a copy of a feature list row.
 *
 * @param row the row to copy.
 * @return the newly created copy.
 */
private static PeakListRow copyPeakRow(final PeakListRow row) {
    // Copy the feature list row.
    final PeakListRow newRow = new SimplePeakListRow(row.getID());
    PeakUtils.copyPeakListRowProperties(row, newRow);
    // Copy the peaks.
    for (final Feature peak : row.getPeaks()) {
        final Feature newPeak = new SimpleFeature(peak);
        PeakUtils.copyPeakProperties(peak, newPeak);
        newRow.addPeak(peak.getDataFile(), newPeak);
    }
    return newRow;
}

Example 3 with SimplePeakListRow

use of net.sf.mzmine.datamodel.impl.SimplePeakListRow in project mzmine2 by mzmine.

the class IsotopeGrouperTask method run.

/**
 * @see Runnable#run()
 */
public void run() {
    setStatus(TaskStatus.PROCESSING);
    logger.info("Running isotopic peak grouper on " + peakList);
    // We assume source peakList contains one datafile
    RawDataFile dataFile = peakList.getRawDataFile(0);
    // Create a new deisotoped peakList
    deisotopedPeakList = new SimplePeakList(peakList + " " + suffix, peakList.getRawDataFiles());
    // Collect all selected charge states
    int[] charges = new int[maximumCharge];
    for (int i = 0; i < maximumCharge; i++) charges[i] = i + 1;
    // Sort peaks by descending height
    Feature[] sortedPeaks = peakList.getPeaks(dataFile);
    Arrays.sort(sortedPeaks, new PeakSorter(SortingProperty.Height, SortingDirection.Descending));
    // Loop through all peaks
    totalPeaks = sortedPeaks.length;
    for (int ind = 0; ind < totalPeaks; ind++) {
        if (isCanceled())
            return;
        Feature aPeak = sortedPeaks[ind];
        // Check if peak was already deleted
        if (aPeak == null) {
            processedPeaks++;
            continue;
        }
        // Check which charge state fits best around this peak
        int bestFitCharge = 0;
        int bestFitScore = -1;
        Vector<Feature> bestFitPeaks = null;
        for (int charge : charges) {
            Vector<Feature> fittedPeaks = new Vector<Feature>();
            fittedPeaks.add(aPeak);
            fitPattern(fittedPeaks, aPeak, charge, sortedPeaks);
            int score = fittedPeaks.size();
            if ((score > bestFitScore) || ((score == bestFitScore) && (bestFitCharge > charge))) {
                bestFitScore = score;
                bestFitCharge = charge;
                bestFitPeaks = fittedPeaks;
            }
        }
        PeakListRow oldRow = peakList.getPeakRow(aPeak);
        assert bestFitPeaks != null;
        // isotope, we skip this left the original peak in the feature list.
        if (bestFitPeaks.size() == 1) {
            deisotopedPeakList.addRow(oldRow);
            processedPeaks++;
            continue;
        }
        // Convert the peak pattern to array
        Feature[] originalPeaks = bestFitPeaks.toArray(new Feature[0]);
        // Create a new SimpleIsotopePattern
        DataPoint[] isotopes = new DataPoint[bestFitPeaks.size()];
        for (int i = 0; i < isotopes.length; i++) {
            Feature p = originalPeaks[i];
            isotopes[i] = new SimpleDataPoint(p.getMZ(), p.getHeight());
        }
        SimpleIsotopePattern newPattern = new SimpleIsotopePattern(isotopes, IsotopePatternStatus.DETECTED, aPeak.toString());
        // the lowest m/z peak
        if (chooseMostIntense) {
            Arrays.sort(originalPeaks, new PeakSorter(SortingProperty.Height, SortingDirection.Descending));
        } else {
            Arrays.sort(originalPeaks, new PeakSorter(SortingProperty.MZ, SortingDirection.Ascending));
        }
        Feature newPeak = new SimpleFeature(originalPeaks[0]);
        newPeak.setIsotopePattern(newPattern);
        newPeak.setCharge(bestFitCharge);
        // Keep old ID
        int oldID = oldRow.getID();
        SimplePeakListRow newRow = new SimplePeakListRow(oldID);
        PeakUtils.copyPeakListRowProperties(oldRow, newRow);
        newRow.addPeak(dataFile, newPeak);
        deisotopedPeakList.addRow(newRow);
        // Remove all peaks already assigned to isotope pattern
        for (int i = 0; i < sortedPeaks.length; i++) {
            if (bestFitPeaks.contains(sortedPeaks[i]))
                sortedPeaks[i] = null;
        }
        // Update completion rate
        processedPeaks++;
    }
    // Add new peakList to the project
    project.addPeakList(deisotopedPeakList);
    // Load previous applied methods
    for (PeakListAppliedMethod proc : peakList.getAppliedMethods()) {
        deisotopedPeakList.addDescriptionOfAppliedTask(proc);
    }
    // Add task description to peakList
    deisotopedPeakList.addDescriptionOfAppliedTask(new SimplePeakListAppliedMethod("Isotopic peaks grouper", parameters));
    // Remove the original peakList if requested
    if (removeOriginal)
        project.removePeakList(peakList);
    logger.info("Finished isotopic peak grouper on " + peakList);
    setStatus(TaskStatus.FINISHED);
}

Example 4 with SimplePeakListRow

use of net.sf.mzmine.datamodel.impl.SimplePeakListRow in project mzmine2 by mzmine.

the class RansacAlignerTask method run.

public void run() {
    setStatus(TaskStatus.PROCESSING);
    logger.info("Running Ransac aligner");
    // twice, first for score calculation, second for actual alignment.
    for (int i = 0; i < peakLists.length; i++) {
        totalRows += peakLists[i].getNumberOfRows() * 2;
    }
    // Collect all data files
    List<RawDataFile> allDataFiles = new ArrayList<RawDataFile>();
    for (PeakList peakList : peakLists) {
        for (RawDataFile dataFile : peakList.getRawDataFiles()) {
            // Each data file can only have one column in aligned feature list
            if (allDataFiles.contains(dataFile)) {
                setStatus(TaskStatus.ERROR);
                setErrorMessage("Cannot run alignment, because file " + dataFile + " is present in multiple feature lists");
                return;
            }
            allDataFiles.add(dataFile);
        }
    }
    // Create a new aligned feature list
    alignedPeakList = new SimplePeakList(peakListName, allDataFiles.toArray(new RawDataFile[0]));
    // Iterate source feature lists
    for (PeakList peakList : peakLists) {
        HashMap<PeakListRow, PeakListRow> alignmentMapping = this.getAlignmentMap(peakList);
        PeakListRow[] allRows = peakList.getRows();
        // Align all rows using mapping
        for (PeakListRow row : allRows) {
            PeakListRow targetRow = alignmentMapping.get(row);
            // If we have no mapping for this row, add a new one
            if (targetRow == null) {
                targetRow = new SimplePeakListRow(newRowID);
                newRowID++;
                alignedPeakList.addRow(targetRow);
            }
            // Add all peaks from the original row to the aligned row
            for (RawDataFile file : row.getRawDataFiles()) {
                targetRow.addPeak(file, row.getPeak(file));
            }
            // Add all non-existing identities from the original row to the
            // aligned row
            PeakUtils.copyPeakListRowProperties(row, targetRow);
            processedRows++;
        }
    }
    // Next feature list
    // Add new aligned feature list to the project
    project.addPeakList(alignedPeakList);
    // Edit by Aleksandr Smirnov
    PeakListRow row = alignedPeakList.getRow(1);
    double alignedRetTime = row.getAverageRT();
    for (Feature peak : row.getPeaks()) {
        double retTimeDelta = alignedRetTime - peak.getRT();
        RawDataFile dataFile = peak.getDataFile();
        SortedMap<Double, Double> chromatogram = new TreeMap<>();
        for (int scan : peak.getScanNumbers()) {
            DataPoint dataPoint = peak.getDataPoint(scan);
            double retTime = dataFile.getScan(scan).getRetentionTime() + retTimeDelta;
            if (dataPoint != null)
                chromatogram.put(retTime, dataPoint.getIntensity());
        }
    }
    // End of Edit
    // Add task description to peakList
    alignedPeakList.addDescriptionOfAppliedTask(new SimplePeakListAppliedMethod("Ransac aligner", parameters));
    logger.info("Finished RANSAC aligner");
    setStatus(TaskStatus.FINISHED);
}

Example 5 with SimplePeakListRow

use of net.sf.mzmine.datamodel.impl.SimplePeakListRow in project mzmine2 by mzmine.

the class PeakListRowLearnerTask method copyPeakRow.

/**
 * Create a copy of a feature list row.
 *
 * @param row the row to copy.
 * @return the newly created copy.
 */
private static PeakListRow copyPeakRow(final PeakListRow row) {
    // Copy the feature list row.
    final PeakListRow newRow = new SimplePeakListRow(row.getID());
    PeakUtils.copyPeakListRowProperties(row, newRow);
    // Copy the peaks.
    for (final Feature peak : row.getPeaks()) {
        final Feature newPeak = new SimpleFeature(peak);
        PeakUtils.copyPeakProperties(peak, newPeak);
        newRow.addPeak(peak.getDataFile(), newPeak);
    }
    return newRow;
}