Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQ.java @ 1716:3ca999f507b7
flys/issue314: Variables in datacage are now case insensitive.
flys-artifacts/trunk@2994 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 17 Oct 2011 15:53:03 +0000 |
parents | 03fbf1b30e72 |
children | bda04ae1154f |
rev | line source |
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726
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Added base class WQ for WQKms.
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1 package de.intevation.flys.artifacts.model; |
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2 |
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Removed code duplication of guessWaterIncreasing()
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3 import de.intevation.flys.utils.DataUtil; |
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4 |
726
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5 import gnu.trove.TDoubleArrayList; |
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6 |
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Fix for flys/issue191
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7 import org.apache.log4j.Logger; |
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8 |
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9 public class WQ |
925
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Added the math needed to calculate "W-Differenzen" in "Laengsschnitten"
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10 extends NamedObjectImpl |
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11 { |
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12 private static Logger logger = Logger.getLogger(WQ.class); |
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13 |
925
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14 // TODO: s/w/ws/g |
726
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15 protected TDoubleArrayList w; |
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16 |
925
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17 // TODO: s/q/qs/g |
726
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18 protected TDoubleArrayList q; |
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19 |
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20 public WQ() { |
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21 this(""); |
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22 } |
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23 |
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24 public WQ(String name) { |
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25 w = new TDoubleArrayList(); |
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26 q = new TDoubleArrayList(); |
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27 } |
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28 |
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29 public WQ(int capacity) { |
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30 this(capacity, ""); |
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31 } |
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32 |
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33 |
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34 public WQ(int capacity, String name) { |
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35 super(name); |
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36 w = new TDoubleArrayList(capacity); |
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37 q = new TDoubleArrayList(capacity); |
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38 } |
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39 |
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40 public WQ(double [] qs, double [] ws) { |
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41 this(qs, ws, ""); |
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42 } |
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43 |
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44 public WQ(double [] qs, double [] ws, String name) { |
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45 super(name); |
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46 w = new TDoubleArrayList(ws); |
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47 q = new TDoubleArrayList(qs); |
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48 } |
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49 |
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50 public void add(double w, double q) { |
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51 this.w.add(w); |
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52 this.q.add(q); |
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53 } |
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54 |
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55 public int size() { |
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56 return w.size(); |
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57 } |
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58 |
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59 public double getW(int idx) { |
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60 return w.getQuick(idx); |
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61 } |
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62 |
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63 public double getQ(int idx) { |
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64 return q.getQuick(idx); |
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65 } |
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66 |
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67 public double [] get(int idx) { |
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68 return get(idx, new double [2]); |
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69 } |
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70 |
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71 public double [] get(int idx, double [] dst) { |
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72 dst[0] = w.getQuick(idx); |
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73 dst[1] = q.getQuick(idx); |
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74 return dst; |
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75 } |
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76 |
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77 public double [] getWs() { |
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78 return w.toNativeArray(); |
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79 } |
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80 |
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81 public double [] getQs() { |
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82 return q.toNativeArray(); |
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83 } |
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84 |
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85 public static void removeNaNs(TDoubleArrayList [] arrays) { |
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86 |
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87 int dest = 0; |
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88 |
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89 int A = arrays.length; |
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90 int N = arrays[0].size(); |
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91 |
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92 OUTER: for (int i = 0; i < N; ++i) { |
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93 for (int j = 0; j < A; ++j) { |
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94 TDoubleArrayList a = arrays[j]; |
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95 double v = a.getQuick(i); |
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96 if (Double.isNaN(v)) { |
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97 continue OUTER; |
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98 } |
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99 a.setQuick(dest, v); |
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100 } |
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101 ++dest; |
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102 } |
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103 |
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104 if (dest < N) { |
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105 for (int i = 0; i < A; ++i) { |
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106 arrays[i].remove(dest, N-dest); |
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107 } |
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108 } |
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109 } |
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110 |
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111 public void removeNaNs() { |
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112 removeNaNs(new TDoubleArrayList [] { w, q }); |
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113 } |
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114 |
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115 public boolean guessWaterIncreasing() { |
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116 return guessWaterIncreasing(0.05f); |
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117 } |
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118 |
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119 public boolean guessWaterIncreasing(float factor) { |
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120 return DataUtil.guessWaterIncreasing(w, factor); |
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121 } |
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122 |
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123 public int [] longestIncreasingWRangeIndices() { |
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124 return longestIncreasingWRangeIndices(new int[2]); |
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125 } |
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126 |
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127 public int [] longestIncreasingWRangeIndices(int [] bounds) { |
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128 |
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129 int N = size(); |
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130 int start = 0; |
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131 int stop = 0; |
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132 |
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133 double lastW = Double.MAX_VALUE; |
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134 |
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135 for (int i = 0; i < N; ++i) { |
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136 double v = w.getQuick(i); |
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137 if (v <= lastW) { |
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138 if (stop-start > bounds[1]-bounds[0]) { |
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139 bounds[0] = start; |
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140 bounds[1] = stop; |
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141 if (logger.isDebugEnabled()) { |
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142 logger.debug("new range: " + |
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143 bounds[0] + " - " + bounds[1] + " (" + |
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144 w.getQuick(bounds[0]) + ", " + |
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145 w.getQuick(bounds[1]) + ")"); |
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146 |
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147 } |
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148 } |
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149 start = stop = i; |
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150 } |
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151 else { |
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152 stop = i; |
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153 } |
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154 lastW = v; |
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155 } |
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156 |
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157 if (stop-start > bounds[1]-bounds[0]) { |
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158 bounds[0] = start; |
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159 bounds[1] = stop; |
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160 if (logger.isDebugEnabled()) { |
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161 logger.debug("new range @end: " + |
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162 bounds[0] + " - " + bounds[1] + " (" + |
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163 w.getQuick(bounds[0]) + ", " + |
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164 w.getQuick(bounds[1]) + ")"); |
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165 |
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166 } |
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167 } |
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168 |
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169 return bounds; |
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170 } |
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171 } |
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172 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |