// parameters to track chromosome breaks. Used in wholeGenome case.
GisticTrack track = new GisticTrack(locator);
track.setName(locator.getTrackName());
List<GisticScore> scores = new ArrayList();
nextLine = reader.readLine();
rowCounter++;
while ((nextLine != null) && (nextLine.length() > 0)) {
String[] tokens = nextLine.split("\t");