Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/W.java @ 4992:ecc6fd57b630 dami

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SCHEMA CHANGE: added column dem.srid
author Tom Gottfried <tom.gottfried@intevation.de>
date Thu, 14 Feb 2013 17:38:34 +0100
parents bcf25d8c183e
children
rev   line source
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1 package de.intevation.flys.artifacts.model;
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2
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3 import de.intevation.flys.utils.DataUtil;
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4 import de.intevation.flys.utils.DoubleUtil;
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5
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6 import gnu.trove.TDoubleArrayList;
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7
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8 import org.apache.log4j.Logger;
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9
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10 public class W
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11 extends NamedObjectImpl
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12 {
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13 private static Logger log = Logger.getLogger(W.class);
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14
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15 protected TDoubleArrayList ws;
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16
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17 public W() {
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18 ws = new TDoubleArrayList();
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19 }
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20
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21 public W(String name) {
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22 super(name);
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23 ws = new TDoubleArrayList();
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24 }
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25
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26 public W(int capacity) {
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27 this(capacity, "");
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28 }
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29
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30 public W(int capacity, String name) {
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31 super(name);
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32 ws = new TDoubleArrayList(capacity);
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33 }
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34
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35 public void add(double value) {
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36 ws.add(value);
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37 }
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38
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39 public int size() {
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40 return ws.size();
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41 }
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42
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43 public double getW(int idx) {
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44 return ws.getQuick(idx);
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45 }
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46
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47 public double [] getWs() {
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48 return ws.toNativeArray();
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49 }
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50
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51 public double [] get(int idx) {
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52 return get(idx, new double [1]);
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53 }
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54
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55 public double [] get(int idx, double [] dst) {
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56 dst[0] = ws.getQuick(idx);
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57 return dst;
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58 }
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59
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60 public double minWs() {
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61 return ws.min();
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62 }
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63
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64 public void removeNaNs() {
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65 DoubleUtil.removeNaNs(new TDoubleArrayList [] { ws });
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66 }
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67
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68 public boolean guessWaterIncreasing() {
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69 return guessWaterIncreasing(0.05f);
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70 }
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71
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72 public boolean guessWaterIncreasing(float factor) {
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73 return DataUtil.guessWaterIncreasing(ws, factor);
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74 }
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75
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76 public int [] longestIncreasingWRangeIndices() {
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77 return longestIncreasingWRangeIndices(new int[2]);
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78 }
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79
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80 public int [] longestIncreasingWRangeIndices(int [] bounds) {
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81
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82 int N = size();
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83 int start = 0;
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84 int stop = 0;
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85
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86 double lastW = Double.MAX_VALUE;
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87
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88 for (int i = 0; i < N; ++i) {
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89 double v = ws.getQuick(i);
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90 if (v <= lastW) {
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91 if (stop-start > bounds[1]-bounds[0]) {
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92 bounds[0] = start;
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93 bounds[1] = stop;
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94 if (log.isDebugEnabled()) {
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95 log.debug("new range: " +
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96 bounds[0] + " - " + bounds[1] + " (" +
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97 ws.getQuick(bounds[0]) + ", " +
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98 ws.getQuick(bounds[1]) + ")");
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99
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100 }
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101 }
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102 start = stop = i;
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103 }
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104 else {
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105 stop = i;
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106 }
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107 lastW = v;
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108 }
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109
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110 if (stop-start > bounds[1]-bounds[0]) {
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111 bounds[0] = start;
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112 bounds[1] = stop;
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113 if (log.isDebugEnabled()) {
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114 log.debug("new range @end: " +
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115 bounds[0] + " - " + bounds[1] + " (" +
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116 ws.getQuick(bounds[0]) + ", " +
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117 ws.getQuick(bounds[1]) + ")");
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118 }
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119 }
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120
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121 return bounds;
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122 }
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123 }
5ff481ab24a1 Refactored class hierachy to integrate model for W~W.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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124 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org