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annotate artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhcalculation/WaterlevelValuesFinder.java @ 8964:45f1ad66560e

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Code cleanup concerning calculations: improved error handling; improved interpolation; bed heights are now always used for spatial discretisation
author gernotbelger
date Thu, 29 Mar 2018 15:48:17 +0200
parents 5d5d482da3e9
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1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by
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3 * Björnsen Beratende Ingenieure GmbH
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
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5 *
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6 * This file is Free Software under the GNU AGPL (>=v3)
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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8 * documentation coming with Dive4Elements River for details.
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9 */
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10 package org.dive4elements.river.artifacts.sinfo.tkhcalculation;
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11
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12 import org.dive4elements.river.artifacts.model.Calculation;
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13 import org.dive4elements.river.artifacts.model.WKms;
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14 import org.dive4elements.river.artifacts.sinfo.util.LinearInterpolator;
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15
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16 /**
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17 * Abstraction for access to waterlevels by station.
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18 *
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19 * @author Gernot Belger
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20 */
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21 public class WaterlevelValuesFinder {
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22
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23 private static final double MAX_DSTANCE_KM = 1.0;
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24
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25 public static WaterlevelValuesFinder fromKms(final Calculation problems, final WKms wkms) {
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26 return new WaterlevelValuesFinder(problems, wkms);
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27 }
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28
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29 private final LinearInterpolator wstInterpolator;
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30
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31 private WaterlevelValuesFinder(final Calculation problems, final WKms wkms) {
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32 this.wstInterpolator = LinearInterpolator.create(problems, wkms.allKms(), wkms.allWs(), MAX_DSTANCE_KM);
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33 }
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34
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35 public double getWaterlevel(final double km) {
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36 return this.wstInterpolator.value(km);
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37 }
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38 }
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