view gnv-artifacts/src/main/java/de/intevation/gnv/math/XYDepth.java @ 1038:9981452c7e75

First step: Added a new state handling the selection between vector or scalar and a new transition in timeseries to provide vector values (issue27). gnv-artifacts/trunk@1110 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 18 May 2010 16:28:05 +0000
parents 6cff63d0c434
children f953c9a559d8
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line source
package de.intevation.gnv.math;

import com.vividsolutions.jts.geom.Coordinate;

/**
 * Interface to encapsulate the query of the depth at a given point.
 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
 */
public interface XYDepth
{
    /**
     * Returns the depth at a given coordinate. Negative
     * values are below the water surface.
     * @param coordinate The coordinate where to take the depth.
     * @return The depth at the queried coordinate. NaN is no
     * depth is available at the given point.
     */
    double depth(Coordinate coordinate);
}
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