view flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/Distance.java @ 4796:729a5edb0313

Added intersectsQRange to QRangeTree to check if a given Q range intersects the Qs of the tree. Useful for 'Umhuellende'. TODO make check depend on km range.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sat, 12 Jan 2013 11:30:46 +0100
parents 229e9b27ce15
children
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package de.intevation.flys.artifacts.math;

/** Helper to calculate distance(s). */
public final class Distance {
    /** Return distance between two values. */
    public static double distance(double a, double b) {
        return Math.abs(a - b);
    }

    /** Return whether a and be are within a certain distance. */
    public static boolean within(double a, double b, double threshold) {
        return distance(a, b) <= threshold;
    }
}
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