public Specialized(
double spacing, N floor, boolean fill, Aggregates<? extends N> aggregates) {
super(spacing, floor, fill);
Util.Stats<N> stats = Util.stats(aggregates, true, true, true);
N bottom = floor == null ? (N) stats.min : floor;
contourLevels = LocalUtils.steps(bottom, stats.max, spacing);
}
public Specialized(int n, boolean fill, Aggregates<? extends N> aggregates) {
super(n, fill);
Util.Stats<N> stats = Util.stats(aggregates, true, true, true);
double spacing = (stats.max.doubleValue() - stats.min.doubleValue()) / n;
contourLevels = LocalUtils.steps(stats.min, stats.max, spacing);
}