for (PeakListRow row : peakListX.getRows()) {
// Calculate limits for a row with which the row can be aligned
MZTolerance mzTolerance = super.parameterSet.getParameter(
RansacAlignerParameters.MZTolerance).getValue();
RTTolerance rtTolerance = super.parameterSet.getParameter(
RansacAlignerParameters.RTToleranceBefore).getValue();
Range mzRange = mzTolerance.getToleranceRange(row.getAverageMZ());
Range rtRange = rtTolerance.getToleranceRange(row.getAverageRT());
// Get all rows of the aligned peaklist within parameter limits
PeakListRow candidateRows[] = peakListY
.getRowsInsideScanAndMZRange(rtRange, mzRange);