Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQKms.java @ 414:0385bcc4229a

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Added subtitles to the available charts. flys-artifacts/trunk@1878 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 10 May 2011 12:19:17 +0000
parents eb22ffe4d74c
children 5606ba4139e0
rev   line source
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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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1 package de.intevation.flys.artifacts.model;
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3 import java.io.Serializable;
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4
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5 import gnu.trove.TDoubleArrayList;
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7 import org.apache.log4j.Logger;
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8
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10 /**
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11 * This class represents a pool of data triples that consists of 'W', 'Q' and
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12 * 'KM' data.
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13 *
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14 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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15 */
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16 public class WQKms implements Serializable {
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18 private static Logger logger = Logger.getLogger(WQKms.class);
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21 /** The array that contains the 'W' values.*/
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22 protected TDoubleArrayList w;
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24 /** The array that contains the 'Q' values.*/
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25 protected TDoubleArrayList q;
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27 /** The array that contains the 'KMs' values.*/
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28 protected TDoubleArrayList kms;
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31 public WQKms() {
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32 this.w = new TDoubleArrayList();
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33 this.q = new TDoubleArrayList();
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34 this.kms = new TDoubleArrayList();
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35 }
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36
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37 public WQKms(int capacity) {
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38 this.w = new TDoubleArrayList(capacity);
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39 this.q = new TDoubleArrayList(capacity);
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40 this.kms = new TDoubleArrayList(capacity);
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41 }
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44 public WQKms(double[] kms, double[] qs, double[] ws) {
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45 this.w = new TDoubleArrayList(ws);
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46 this.q = new TDoubleArrayList(qs);
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47 this.kms = new TDoubleArrayList(kms);
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48 }
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49
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51 /**
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52 * Adds a new row to this data pool.
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53 *
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54 * @param w a W.
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55 * @param q a Q.
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56 * @param kms a Kms.
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57 */
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58 public void add(double w, double q, double kms) {
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59 this.w.add(w);
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60 this.q.add(q);
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61 this.kms.add(kms);
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62 }
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63
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64
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65 public void add(double[] w, double[] q, double[] kms) {
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66 this.w.add(w);
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67 this.q.add(q);
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68 this.kms.add(kms);
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69 }
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71
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72 /**
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73 * Returns the number of triples stored in this data pool.
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74 *
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75 * @return the number of triples stored in this data pool.
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76 */
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77 public int size() {
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78 return kms.size();
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79 }
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80
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81 /**
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82 * This method returns a triple of W, Q and Kms in a single 3dim array.
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83 *
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84 * @param idx The position of the triple.
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85 * @param dst destination array
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86 *
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87 * @return a triple of [W, Q, Kms] in dst.
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88 */
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89 public double[] get(int idx, double [] dst) {
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90 dst[0] = w .get(idx);
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91 dst[1] = q .get(idx);
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92 dst[2] = kms.get(idx);
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93 return dst;
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94 }
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95
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96
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97 public double getKms(int idx) {
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98 return kms.get(idx);
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99 }
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102 public double[] getKms() {
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103 return kms.toNativeArray();
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104 }
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106
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107 public double[] getWs() {
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108 return w.toNativeArray();
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109 }
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112 public double[] getQs() {
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113 return q.toNativeArray();
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114 }
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115
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116
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117 /**
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118 * Returns a string that consist of the first and last kilometer.
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119 *
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120 * @return a string that consist of the first and last kilometer.
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121 */
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122 public String toString() {
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123 double from = getKms(0);
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124 double to = getKms(size()-1);
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125 return Double.toString(from) + " - " + Double.toString(to);
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126 }
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127
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128
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129 /**
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130 * Merges the WQKms objects of an incoming 2dim array (table) where the
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131 * objects of a column belong together.
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132 *
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133 * @param toMerge The objects that need to be merged.
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134 *
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135 * @return an array of merged WQKms objects.
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136 */
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137 public static WQKms[] merge(WQKms[][] toMerge) {
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138 int num = toMerge[0].length;
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139
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140 // TODO IS THE LENGTH CORRECT?
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141 WQKms[] merged = new WQKms[num];
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142 for (int i = 0; i < num; i++) {
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143 merged[i] = new WQKms();
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144 }
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145
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146 for (int i = 0; i < toMerge.length; i++) {
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147 WQKms[] tmp = toMerge[i];
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148
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149 for (int j = 0; j < num; j++) {
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150 WQKms toAdd = tmp[j];
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151 merged[j].add(toAdd.getWs(), toAdd.getQs(), toAdd.getKms());
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152 }
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153 }
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154
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155 return merged;
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156 }
361
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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157 }
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158 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org