view gnv-artifacts/src/main/java/de/intevation/gnv/math/Metrics.java @ 848:47280aff0eb7

Added an y-axis label in histograms (issue243). gnv-artifacts/trunk@964 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 21 Apr 2010 09:43:46 +0000
parents bb7afd783321
children f953c9a559d8
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package de.intevation.gnv.math;

import com.vividsolutions.jts.geom.Coordinate;

/**
 * Implementations provides the ability to calculate the distance between
 * two points ans support for interpolating points between two points.
 *
 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
 */
public interface Metrics
{
    /**
     * Calculates the distance between two given points.
     * @param p1 The first point.
     * @param p2 The second point.
     * @return The distance.
     */
    double distance(Coordinate p1, Coordinate p2);

    /**
     * Return an interpolator which allows interpolations between
     * two given points.
     * @param p1 The first point.
     * @param p2 The second point.
     * @return The interpolator.
     */
    Interpolator getInterpolator(Coordinate p1, Coordinate p2);
}
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