Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/WQKms.java @ 9801:1d7a72a50183 3.2.x tip

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Assume Compose V2, consistently
author Tom Gottfried <tom@intevation.de>
date Thu, 23 Nov 2023 10:14:13 +0100
parents 0a5239a1e46e
children
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
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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 org.dive4elements.river.utils.DataUtil;
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12 import org.dive4elements.river.utils.DoubleUtil;
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13
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14 import gnu.trove.TDoubleArrayList;
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15
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16 import org.apache.logging.log4j.Logger;
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17 import org.apache.logging.log4j.LogManager;
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18
361
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19
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20 /**
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21 * This class represents a pool of data triples that consists of 'W', 'Q' and
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22 * 'KM' data.
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23 *
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24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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25 */
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26 public class WQKms
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27 extends WQ
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28 implements WKms, QKms
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29 {
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30 private static Logger log = LogManager.getLogger(WQKms.class);
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31
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32 /** The array that contains the 'KMs' values. */
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33 protected TDoubleArrayList kms;
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34
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35
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36 public WQKms() {
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37 this("");
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38 }
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39
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40
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41 public WQKms(String name) {
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42 super(name);
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43 this.kms = new TDoubleArrayList();
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44 }
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45
447
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46
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47 public WQKms(int capacity) {
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48 this(capacity, "");
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49 }
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50
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51
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52 public WQKms(int capacity, String name) {
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53 super(capacity, name);
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54 this.kms = new TDoubleArrayList(capacity);
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55 }
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56
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57 public WQKms(double [] kms, double [] qs, double [] ws) {
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58 this(kms, qs, ws, "");
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59 }
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60
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61 public WQKms(double []kms, WQ wq) {
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62 this(kms, wq.getQs(), wq.getWs(), wq.getName());
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63 }
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64
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65 public WQKms(
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66 TDoubleArrayList kms,
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67 TDoubleArrayList qs,
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68 TDoubleArrayList ws,
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69 String name
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70 ) {
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71 super(qs, ws, name);
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72 this.kms = kms;
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73 }
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74
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75 public WQKms(double [] kms, double [] qs, double [] ws, String name) {
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76 super(qs, ws, name);
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77 this.kms = new TDoubleArrayList(kms);
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78 }
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79
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80 /** Create a WQKms from WKms, filling the Qs with given q. */
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81 public static WQKms fromWKms(WKms wkms, double q) {
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82 TDoubleArrayList qs = new TDoubleArrayList(wkms.allKms().size());
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83 qs.fill(q);
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84 WQKms wqkms =
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85 new WQKms(wkms.allKms(), qs, wkms.allWs(), wkms.getName());
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86 return wqkms;
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87 }
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88
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89 @Override
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90 public void removeNaNs() {
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91 DoubleUtil.removeNaNs(new TDoubleArrayList [] { ws, qs, kms });
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92 }
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93
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94 /**
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95 * Adds a new row to this data pool.
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96 *
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97 * @param w a W.
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98 * @param q a Q.
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99 * @param km a kms.
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100 */
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101 public void add(double w, double q, double km) {
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102 super.add(w, q);
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103 kms.add(km);
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104 }
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105
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106 @Override
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107 public double [] get(int idx) {
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108 return get(idx, new double [3]);
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109 }
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110
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111 /**
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112 * This method returns a triple of W, Q and Kms in a single 3dim array.
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113 *
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114 * @param idx The position of the triple.
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115 * @param dst destination array
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116 *
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117 * @return a triple of [W, Q, Kms] in dst.
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118 */
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119 @Override
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120 public double [] get(int idx, double [] dst) {
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121 dst[0] = ws .getQuick(idx);
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122 dst[1] = qs .getQuick(idx);
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123 dst[2] = kms.getQuick(idx);
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124 return dst;
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125 }
367
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126
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127 @Override
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128 public double getKm(int idx) {
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129 return kms.getQuick(idx);
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130 }
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131
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132 @Override
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133 public TDoubleArrayList allKms() {
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134 return kms;
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135 }
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136
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137 @Override
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138 public TDoubleArrayList allWs() {
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139 return ws;
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140 }
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141
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142 @Override
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143 public TDoubleArrayList allQs() {
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144 return qs;
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145 }
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146
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147 @Override
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148 public WKms filteredKms(double from, double to) {
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149 WQKms retval = new WQKms(getName());
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150 for (int i = 0, S = size(); i < S; i++) {
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151 double km = getKm(i);
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152 if (km >= from && km <= to) {
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153 retval.add(getW(i), getQ(i), km);
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154 }
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155 }
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156 return retval;
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157 }
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158
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159 public double[] getKms() {
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160 return kms.toNativeArray();
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161 }
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162
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163 /**
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164 * Returns a string that consist of the first and last kilometer.
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165 *
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166 * @return a string that consist of the first and last kilometer.
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167 */
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168 public String toString() {
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169 double from = getKm(0);
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170 double to = getKm(size()-1);
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171 return from + " - " + to;
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172 }
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173
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174 /**
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175 * Returns an array of two double values the first and last kilometer.
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176 *
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177 * @return a double array with the first and last km
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178 */
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179 public double[] getFirstLastKM() {
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180 /* Behold the first km might be larger then the last! */
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181 return new double[] {getKm(0), getKm(size()-1)};
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182 }
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183
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184 private static final double EPS = 1e-5;
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185
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186 public Double sameKm() {
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187 int s = size();
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188 if (s < 1) return null;
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189 if (s == 1) return getKm(0);
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190 double a = getKm(0);
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191 double b = getKm(s-1);
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192 double c = getKm(s/2);
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193
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194 return Math.abs(a-b) > EPS
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195 || Math.abs(a-c) > EPS
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196 || Math.abs(b-c) > EPS
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197 ? null
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198 : a;
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199 }
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200
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201 @Override
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202 public boolean guessRTLData() {
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203 return DataUtil.guessSameDirectionData(ws, allKms());
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204 }
361
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205 }
3e3ec9613883 Introduced a model class to store a set of triple data objects that consist of W, Q and Kms information.
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206 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org