/**
* TODO
*
* @param cumulativeMinCutoff
* @param cumulativeMaxCutoff
* @param state
* @param setupAssignments
*/
public static void initBrightness(
final double cumulativeMinCutoff,
final double cumulativeMaxCutoff,
final ViewerState state,
final SetupAssignments setupAssignments) {
final Source<?> source = state.getSources().get(state.getCurrentSource()).getSpimSource();
final int timepoint = state.getCurrentTimepoint();
if (!source.isPresent(timepoint)) return;
if (!UnsignedShortType.class.isInstance(source.getType())) return;
@SuppressWarnings("unchecked")
final RandomAccessibleInterval<UnsignedShortType> img =
(RandomAccessibleInterval<UnsignedShortType>)
source.getSource(timepoint, source.getNumMipmapLevels() - 1);
final long z = (img.min(2) + img.max(2) + 1) / 2;
final int numBins = 6535;
final Histogram1d<UnsignedShortType> histogram =
new Histogram1d<UnsignedShortType>(
Views.iterable(Views.hyperSlice(img, 2, z)),
new Real1dBinMapper<UnsignedShortType>(0, 65535, numBins, false));
final DiscreteFrequencyDistribution dfd = histogram.dfd();
final long[] bin = new long[] {0};
double cumulative = 0;
int i = 0;
for (; i < numBins && cumulative < cumulativeMinCutoff; ++i) {
bin[0] = i;
cumulative += dfd.relativeFrequency(bin);
}
final int min = i * 65535 / numBins;
for (; i < numBins && cumulative < cumulativeMaxCutoff; ++i) {
bin[0] = i;
cumulative += dfd.relativeFrequency(bin);
}
final int max = i * 65535 / numBins;
final MinMaxGroup minmax = setupAssignments.getMinMaxGroups().get(0);
minmax.getMinBoundedValue().setCurrentValue(min);
minmax.getMaxBoundedValue().setCurrentValue(max);
}