Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/WQ.java @ 6302:d5af7b17efc2
Add conversion function that prepares a WQ table for export at gauge
This substracts the datum of the gauge and converts the W values
to cm. Returns a copy if the WQ table is modified.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Wed, 12 Jun 2013 16:01:46 +0200 |
parents | af13ceeba52a |
children | ebba1a795d76 |
rev | line source |
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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.DoubleUtil; |
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12 |
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13 import gnu.trove.TDoubleArrayList; |
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14 |
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15 import java.math.BigDecimal; |
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16 |
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17 import java.util.regex.Matcher; |
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18 import java.util.regex.Pattern; |
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19 |
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20 import org.apache.log4j.Logger; |
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21 |
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22 public class WQ |
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23 extends W |
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24 { |
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25 public static final Pattern NUMBERS_PATTERN = |
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26 Pattern.compile("\\D*(\\d++.\\d*)\\D*"); |
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27 |
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28 private static Logger log = Logger.getLogger(WQ.class); |
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29 |
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30 protected TDoubleArrayList qs; |
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31 |
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32 public WQ() { |
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33 this(""); |
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34 } |
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35 |
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36 public WQ(String name) { |
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37 super(name); |
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38 qs = new TDoubleArrayList(); |
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39 } |
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40 |
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41 public WQ(int capacity) { |
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42 this(capacity, ""); |
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43 } |
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44 |
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45 |
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46 public WQ(int capacity, String name) { |
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47 super(capacity, name); |
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48 qs = new TDoubleArrayList(capacity); |
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49 } |
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50 |
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51 public WQ(double [] qs, double [] ws) { |
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52 this(qs, ws, ""); |
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53 } |
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54 |
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55 public WQ(double [] qs, double [] ws, String name) { |
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56 super(name); |
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57 this.ws = new TDoubleArrayList(ws); |
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58 this.qs = new TDoubleArrayList(qs); |
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59 } |
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60 |
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61 |
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62 public Double getRawValue() { |
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63 if (name == null || name.length() == 0) { |
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64 // this should never happen |
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65 return null; |
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66 } |
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67 |
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68 Matcher m = NUMBERS_PATTERN.matcher(name); |
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69 |
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70 if (m.matches()) { |
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71 String raw = m.group(1); |
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72 |
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73 try { |
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74 return Double.valueOf(raw); |
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75 } |
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76 catch (NumberFormatException nfe) { |
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77 // do nothing |
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78 } |
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79 } |
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80 |
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81 return null; |
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82 } |
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83 |
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84 public void add(double w, double q) { |
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85 ws.add(w); |
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86 qs.add(q); |
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87 } |
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88 |
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89 public double getQ(int idx) { |
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90 return qs.getQuick(idx); |
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91 } |
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92 |
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93 @Override |
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94 public double [] get(int idx) { |
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95 return get(idx, new double [2]); |
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96 } |
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97 |
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98 @Override |
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99 public double [] get(int idx, double [] dst) { |
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100 dst[0] = ws.getQuick(idx); |
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101 dst[1] = qs.getQuick(idx); |
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102 return dst; |
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103 } |
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104 |
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105 public double [] getQs() { |
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106 return qs.toNativeArray(); |
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107 } |
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108 |
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109 @Override |
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110 public void removeNaNs() { |
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111 DoubleUtil.removeNaNs(new TDoubleArrayList [] { ws, qs }); |
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112 } |
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113 |
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114 /** Returns either a modified copy or the same Object with fixed W values. |
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115 * If a conversion takes place converted is set to true |
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116 */ |
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117 public static WQ getFixedWQforExportAtGauge(WQ wq, BigDecimal datum) { |
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118 if (wq.getReferenceSystem() == wq.CENTIMETER_AT_GAUGE) { |
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119 // Do nothing |
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120 return wq; |
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121 } |
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122 // If we convert we work on a copy to avoid side effects. |
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123 WQ ret = new WQ(wq.size(), wq.getName()); |
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124 |
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125 // When we convert and have a datum we have a calculated |
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126 // result at a gauge so we must subtract the datum. |
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127 double subtractDatum = datum == null ? 0 : datum.doubleValue(); |
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128 for (int i=0; i < wq.size(); i++) { |
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129 ret.add((wq.get(i)[0] - subtractDatum)* 100, wq.get(i)[1]); |
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130 } |
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131 log.debug("Converted W values to centimeter and substracted: " + subtractDatum); |
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132 return ret; |
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133 } |
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134 } |
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135 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |