Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/WQDay.java @ 8856:5e38e2924c07 3.2.x

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Fix code style.
author Tom Gottfried <tom@intevation.de>
date Thu, 18 Jan 2018 20:12:01 +0100
parents 4de4b19b6be6
children
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.model;
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10
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11 import java.util.ArrayList;
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12 import java.util.Collections;
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13 import java.util.Comparator;
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14
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15 import org.dive4elements.river.artifacts.math.Linear;
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16
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17 import gnu.trove.TIntArrayList;
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18
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19 /**
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20 * This class represents a pool of data triples that consists of 'W', 'Q' and
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21 * 'Day' data.
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22 *
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23 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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24 */
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25 public class WQDay
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26 extends WQ
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27 {
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28 public static final Comparator<double []> FIRST_CMP =
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29 new Comparator<double []>() {
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30 @Override
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31 public int compare(double [] a, double [] b) {
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32 double diff = a[0] - b[0];
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33 if (diff < 0d) return -1;
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34 if (diff > 0d) return +1;
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35 return 0;
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36 }
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37 };
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38
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39 public static final double EPSILON = 1e-4;
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40
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41
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42 protected TIntArrayList days;
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43
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44 public WQDay() {
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45 super("");
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46 days = new TIntArrayList();
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47 }
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48
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49 public WQDay(int capacity) {
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50 super(capacity);
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51 days = new TIntArrayList(capacity);
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52 }
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53
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54 public WQDay(int [] days, double [] ws, double [] qs) {
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55 super(qs, ws, "");
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56 this.days = new TIntArrayList(days);
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57 }
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58
385
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59
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60 public void add(int day, double w, double q) {
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61 super.add(w, q);
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62 days.add(day);
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63 }
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64
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65
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66 public boolean isIncreasing() {
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67 return size() == 0 || getDay(0) < getDay(size()-1);
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68 }
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69
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70
385
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71 public int getDay(int idx) {
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72 return days.getQuick(idx);
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73 }
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74
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75 private static final Double interpolateX(
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76 ArrayList<double []> dxs,
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77 double x
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78 ) {
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79 Collections.sort(dxs, FIRST_CMP);
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80
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81 if (Math.abs(x - dxs.get(0)[1]) < EPSILON) {
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82 return dxs.get(0)[0];
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83 }
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84
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85 for (int i = 1, S = dxs.size(); i < S; ++i) {
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86 double [] curr = dxs.get(i);
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87 if (Math.abs(x - curr[1]) < EPSILON) {
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88 return curr[0];
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89 }
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90
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91 double [] prev = dxs.get(i-1);
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92 double x1 = Math.min(prev[1], curr[1]);
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93 double x2 = Math.max(prev[1], curr[1]);
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94 if (x > x1 && x < x2) {
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95 return Linear.linear(
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96 x,
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97 prev[1], curr[1],
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98 prev[0], curr[0]);
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99 }
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100 }
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101
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102 return null;
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103 }
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104
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105 public Double interpolateDayByW(double w) {
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106
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107 int S = days.size();
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108
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109 if (S == 0) {
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110 return null;
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111 }
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112
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113 ArrayList<double[]> dws = new ArrayList<double[]>(S);
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114
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115 for (int i = 0; i < S; ++i) {
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116 dws.add(new double[] { getDay(i), getW(i) });
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117 }
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118
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119 return interpolateX(dws, w);
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120 }
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121
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122 public Double interpolateDayByQ(double q) {
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
123
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
124 int S = days.size();
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
125
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
126 if (S == 0) {
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
127 return null;
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
128 }
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
129
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
130 ArrayList<double[]> dqs = new ArrayList<double[]>(S);
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
131
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
132 for (int i = 0; i < S; ++i) {
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
133 dqs.add(new double[] { getDay(i), getQ(i) });
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
134 }
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
135
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
136 return interpolateX(dqs, q);
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
137 }
4de4b19b6be6 Fixed half broken interpolation code for lines to 'Dauerlinie'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7484
diff changeset
138
727
11e9489eb1a7 WQDay is based on WQ now to make it exportable as AT.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 704
diff changeset
139 @Override
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
140 public void removeNaNs() {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
141
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
142 int dest = 0;
2182
5ff481ab24a1 Refactored class hierachy to integrate model for W~W.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1689
diff changeset
143 int N = ws.size();
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
144
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
145 for (int i = 0; i < N; ++i) {
2182
5ff481ab24a1 Refactored class hierachy to integrate model for W~W.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1689
diff changeset
146 double wi = ws.getQuick(i);
5ff481ab24a1 Refactored class hierachy to integrate model for W~W.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1689
diff changeset
147 double qi = qs.getQuick(i);
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
148
727
11e9489eb1a7 WQDay is based on WQ now to make it exportable as AT.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 704
diff changeset
149 if (Double.isNaN(wi) || Double.isNaN(qi)) {
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
150 continue;
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
151 }
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
152
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
153 days.setQuick(dest, days.getQuick(i));
2182
5ff481ab24a1 Refactored class hierachy to integrate model for W~W.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1689
diff changeset
154 ws.setQuick(dest, wi);
5ff481ab24a1 Refactored class hierachy to integrate model for W~W.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1689
diff changeset
155 qs.setQuick(dest, qi);
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
156 ++dest;
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
157 }
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
158
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
159 if (dest < N) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
160 days.remove(dest, N-dest);
2182
5ff481ab24a1 Refactored class hierachy to integrate model for W~W.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1689
diff changeset
161 ws .remove(dest, N-dest);
5ff481ab24a1 Refactored class hierachy to integrate model for W~W.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1689
diff changeset
162 qs .remove(dest, N-dest);
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 385
diff changeset
163 }
385
478940d06876 Enabled the WINFO artifact to create duration curves - new OutGenerator, added methods for data computation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
164 }
478940d06876 Enabled the WINFO artifact to create duration curves - new OutGenerator, added methods for data computation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
165 }
478940d06876 Enabled the WINFO artifact to create duration curves - new OutGenerator, added methods for data computation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
166 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org