/**
* Set the precursor mass of the spectrum ID associated to the given precursor charge chartData
*
* @param precursorCharge the precursor charge chartData
*/
private void setSpectrumPrecursorCharge(PrecursorData precursorCharge) {
String spectrumID = precursorCharge.getSpectrumID();
SpectrumData spectrum = getOrCreateSpectrum(spectrumID);
spectrum.setPrecursorCharge(precursorCharge.getValue());
}
