Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/Segment.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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4897a58c8746 River artifacts: Added new copyright headers.
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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.model.DischargeTable;
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12 import org.dive4elements.river.model.Gauge;
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13 import org.dive4elements.river.model.River;
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14
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15 import org.dive4elements.river.utils.DoubleUtil;
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16
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17 import java.io.Serializable;
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18
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19 import java.util.ArrayList;
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20 import java.util.Collections;
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21 import java.util.Comparator;
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22 import java.util.List;
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23
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24 import org.apache.logging.log4j.Logger;
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25 import org.apache.logging.log4j.LogManager;
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26
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27 /** A Range with values and a reference point. */
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28 public class Segment
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29 implements Serializable
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30 {
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31 private static Logger log = LogManager.getLogger(Segment.class);
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32
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33 public static final Comparator<Segment> REF_CMP =
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34 new Comparator<Segment>() {
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35 @Override
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36 public int compare(Segment a, Segment b) {
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37 double d = a.referencePoint - b.referencePoint;
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38 if (d < 0d) return -1;
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39 return d > 0d ? +1 : 0;
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40 }
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41 };
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42
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43 protected double from;
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44 protected double to;
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45 protected double [] values;
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46 protected double [] backup;
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47 protected double referencePoint;
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48
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49 public Segment() {
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50 }
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51
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52 public Segment(double referencePoint) {
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53 this.referencePoint = referencePoint;
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54 }
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55
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56 public Segment(double from, double to, double [] values) {
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57 this.from = from;
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58 this.to = to;
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59 this.values = values;
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60 }
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61
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62 public boolean isUp() {
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63 return from < to;
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64 }
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65
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66 /** Checks if given km lies inside the to/from bounds of this segment. */
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67 public boolean inside(double km) {
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68 return from < to
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69 ? km >= from && km <= to
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70 : km >= to && km <= from;
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71 }
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72
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73 @Override
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74 public String toString() {
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75 StringBuilder sb = new StringBuilder("Segment: [");
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76 sb.append("from: ").append(from).append("; to: ")
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77 .append(to)
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78 .append("; ref: ").append(referencePoint)
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79 .append("; values: (");
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80 for (int i = 0; i < values.length; ++i) {
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81 if (i > 0) sb.append(", ");
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82 sb.append(values[i]);
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83 }
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84 sb.append(")]");
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85 return sb.toString();
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86 }
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87
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88 public void setFrom(double from) {
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89 this.from = from;
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90 }
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91
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92 public void backup() {
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93 backup = values != null
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94 ? (double [])values.clone()
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95 : null;
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96 }
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97
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98 public double [] getBackup() {
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99 return backup;
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100 }
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101
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102 public double getFrom() {
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103 return from;
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104 }
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105
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106 public void setTo(double to) {
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107 this.to = to;
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108 }
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109
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110 public double getTo() {
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111 return to;
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112 }
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113
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114 public void setValues(double [] values) {
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115 this.values = values;
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116 }
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117
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118 public double [] getValues() {
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119 return values;
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120 }
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121
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122 public int numValues() {
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123 return values.length;
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124 }
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125
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126 public void setReferencePoint(double referencePoint) {
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127 this.referencePoint = referencePoint;
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128 }
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129
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130 public double getReferencePoint() {
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131 return referencePoint;
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132 }
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133
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134 /** Use DoubleUtil to parse Segments. */
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135 public static List<Segment> parseSegments(String input) {
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136
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137 final List<Segment> segments = new ArrayList<Segment>();
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138
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139 DoubleUtil.parseSegments(input, new DoubleUtil.SegmentCallback() {
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140 @Override
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141 public void newSegment(double from, double to, double [] values) {
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142 segments.add(new Segment(from, to, values));
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143 }
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144 });
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145
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146 return segments;
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147 }
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148
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149 public static boolean setReferencePointConvertQ(
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150 List<Segment> segments,
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151 River river,
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152 boolean isQ,
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153 Calculation report
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154 ) {
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155 int numResults = -1;
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156
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157 boolean success = true;
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158
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159 // assign reference points
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160 for (Segment segment: segments) {
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161 Gauge gauge = river.maxOverlap(segment.getFrom(), segment.getTo());
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162
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163 if (gauge == null) {
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164 log.warn("no gauge found. Defaults to mid point.");
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165 segment.setReferencePoint(
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166 0.5*(segment.getFrom()+segment.getTo()));
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167 }
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168 else {
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169 double ref = gauge.getStation().doubleValue();
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170 log.debug(
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171 "reference gauge: " + gauge.getName() +
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172 " (km " + ref + ")");
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173 segment.setReferencePoint(ref);
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174 }
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175
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176 double [] values = segment.values;
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177
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178 if (numResults == -1) {
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179 numResults = values.length;
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180 }
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181 else if (numResults != values.length) {
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182 log.warn("wrong length of values");
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183 return false;
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184 }
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185
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186 // convert to Q if needed
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187 if (!isQ && gauge != null) {
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188
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189 DischargeTable dt = gauge.fetchMasterDischargeTable();
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190
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191 double [][] table =
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192 DischargeTables.loadDischargeTableValues(dt);
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193
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194 // need the original values for naming
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195 segment.backup();
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196
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197 for (int i = 0; i < values.length; ++i) {
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198 double w = values[i] * 100.0;
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199 double [] qs = DischargeTables.getQsForW(table, w);
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200 if (qs.length == 0) {
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201 log.warn("No Qs found for W = " + values[i]);
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202 report.addProblem("cannot.find.q.for.w", values[i]);
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203 values[i] = Double.NaN;
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204 success = false;
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205 }
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206 else {
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207 values[i] = qs[0];
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208 if (qs.length > 1) {
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209 log.warn(
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210 "More than one Q found for W = " + values[i]);
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211 }
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212 }
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213 }
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214 }
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215 } // for all segments
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216
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217 Collections.sort(segments, Segment.REF_CMP);
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218
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219 return success;
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220 }
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221 }
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222 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org