public static Range computeScale(List<Range> ranges) {
float min = 0;
float max = 0;
if (ranges.size() > 0) {
max = ranges.get(0).max;
min = ranges.get(0).min;
for (int i = 1; i < ranges.size(); i++) {
Range r = ranges.get(i);
max = Math.max(r.max, max);
min = Math.min(r.min, min);
}
}
return new Range(min, max);
}
private void autoscaleGroup(List<Track> trackList) {
List<ReferenceFrame> frames =
FrameManager.isGeneListMode()
? FrameManager.getFrames()
: Arrays.asList(FrameManager.getDefaultFrame());
List<Range> inViewRanges = new ArrayList<Range>();
synchronized (trackList) {
for (Track track : trackList) {
if (track instanceof ScalableTrack) {
for (ReferenceFrame frame : frames) {
Range range = ((ScalableTrack) track).getInViewRange(frame);
if (range != null) {
inViewRanges.add(range);
}
}
}
}
if (inViewRanges.size() > 0) {
Range inter = computeScale(inViewRanges);
for (Track track : trackList) {
DataRange dr = track.getDataRange();
float min = Math.min(0, inter.min);
float base = Math.max(min, dr.getBaseline());
float max = inter.max;
// Pathological case where min ~= max (no data in view)
if (max - min <= (2 * Float.MIN_VALUE)) {
max = min + 1;
}
DataRange newDR = new DataRange(min, base, max, dr.isDrawBaseline());
newDR.setType(dr.getType());
track.setDataRange(newDR);
}
}
}
}