Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/model/River.java @ 6229:3fea9701d58d
Fix gauge determination.
If we look upstream ( a > b ) we still have to compare
the start value of our range against the gauge and not the end
value. The start value is always the relevant value as we
handle the direction by checking this against A or B of the gauge.
Also:
I will never compare doubles with == again.
I will never compare doubles with == again.
I will never compare doubles with == again.
I will never compare doubles with == again.
I will never compare doubles with == again.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Thu, 06 Jun 2013 18:23:17 +0200 |
parents | 776229dd5bf7 |
children | 6ff574778491 |
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.model; |
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10 |
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11 import org.dive4elements.river.backend.SessionHolder; |
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12 |
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13 import java.io.Serializable; |
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14 import java.math.BigDecimal; |
768 | 15 import java.math.MathContext; |
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16 import java.util.Comparator; |
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17 import java.util.List; |
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18 import java.util.Map; |
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19 import java.util.TreeMap; |
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20 |
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21 import javax.persistence.Column; |
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22 import javax.persistence.Entity; |
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23 import javax.persistence.GeneratedValue; |
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24 import javax.persistence.GenerationType; |
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25 import javax.persistence.Id; |
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26 import javax.persistence.JoinColumn; |
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27 import javax.persistence.OneToMany; |
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28 import javax.persistence.OneToOne; |
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29 import javax.persistence.OrderBy; |
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30 import javax.persistence.SequenceGenerator; |
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31 import javax.persistence.Table; |
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32 |
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33 import org.hibernate.Query; |
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34 import org.hibernate.Session; |
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35 |
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36 |
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37 @Entity |
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38 @Table(name = "rivers") |
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39 public class River |
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40 implements Serializable |
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41 { |
768 | 42 public static final MathContext PRECISION = new MathContext(6); |
43 | |
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44 public static final double EPSILON = 1e-5; |
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45 |
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46 public static final Comparator<Double> KM_CMP = new Comparator<Double>() { |
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47 @Override |
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48 public int compare(Double a, Double b) { |
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49 double diff = a - b; |
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50 if (diff < -EPSILON) return -1; |
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51 if (diff > EPSILON) return +1; |
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52 return 0; |
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53 } |
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54 }; |
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55 |
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56 private Integer id; |
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57 |
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58 private Long officialNumber; |
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59 |
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60 private String name; |
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61 |
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62 private boolean kmUp; |
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63 |
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64 private List<Gauge> gauges; |
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65 |
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66 private List<MeasurementStation> measurementstations; |
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67 |
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68 private Unit wstUnit; |
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69 |
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70 @Id |
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71 @SequenceGenerator( |
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72 name = "SEQUENCE_RIVERS_ID_SEQ", |
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73 sequenceName = "RIVERS_ID_SEQ", |
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74 allocationSize = 1) |
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75 @GeneratedValue( |
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76 strategy = GenerationType.SEQUENCE, |
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77 generator = "SEQUENCE_RIVERS_ID_SEQ") |
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78 @Column(name = "id") |
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79 public Integer getId() { |
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80 return id; |
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81 } |
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82 |
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83 public void setId(Integer id) { |
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84 this.id = id; |
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85 } |
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86 |
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87 @Column(name = "official_number") |
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88 public Long getOfficialNumber() { |
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89 return officialNumber; |
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90 } |
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91 |
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92 public void setOfficialNumber(Long officialNumber) { |
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93 this.officialNumber = officialNumber; |
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94 } |
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95 |
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96 @Column(name = "name") |
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97 public String getName() { |
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98 return name; |
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99 } |
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100 |
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101 public void setName(String name) { |
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102 this.name = name; |
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103 } |
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104 |
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105 @Column(name = "km_up") |
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106 public boolean getKmUp() { |
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107 return kmUp; |
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108 } |
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109 |
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110 public void setKmUp(boolean kmUp) { |
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111 this.kmUp = kmUp; |
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112 } |
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113 |
167
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114 public River() { |
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115 } |
169
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116 |
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117 public River(String name, Unit wstUnit) { |
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118 this.name = name; |
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119 this.wstUnit = wstUnit; |
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120 } |
174
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121 |
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122 @OneToMany |
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123 @JoinColumn(name="river_id") |
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124 public List<Gauge> getGauges() { |
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125 return gauges; |
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126 } |
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127 |
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128 public void setGauges(List<Gauge> gauges) { |
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129 this.gauges = gauges; |
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130 } |
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131 |
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132 |
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133 @OneToMany |
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134 @OrderBy("station") |
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135 @JoinColumn(name="river_id") |
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136 public List<MeasurementStation> getMeasurementStations() { |
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137 return measurementstations; |
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138 } |
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139 |
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140 public void setMeasurementStations(List<MeasurementStation> mstations) { |
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141 this.measurementstations = mstations; |
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142 } |
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143 |
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144 @OneToOne |
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145 @JoinColumn(name = "wst_unit_id" ) |
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146 public Unit getWstUnit() { |
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147 return wstUnit; |
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148 } |
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149 |
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150 public void setWstUnit(Unit wstUnit) { |
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151 this.wstUnit = wstUnit; |
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152 } |
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153 |
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154 |
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155 |
4809
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Bugs in generated RiverAxis Mapfile fixed. Now the river axes are drawn by the WMS.
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156 @Override |
188
003ac16812dd
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157 public String toString() { |
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158 return name != null ? name : ""; |
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159 } |
465
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
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160 |
472
1e196c75563b
Added a new method to determine the selected gauge of a river based on a start and end point.
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161 |
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Added a new method to determine the selected gauge of a river based on a start and end point.
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162 /** |
488
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163 * This method returns the gauges that intersect with <i>a</i> and |
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164 * <i>b</i>, |
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165 * |
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166 * @param a A start point. |
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167 * @param b An end point. |
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168 * |
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169 * @return the intersecting gauges. |
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170 */ |
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171 public List<Gauge> determineGauges(double a, double b) { |
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172 Session session = SessionHolder.HOLDER.get(); |
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173 |
756
ca13926b8871
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174 if (a > b) { double t = a; a = b; b = t; } |
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175 |
488
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176 Query query = session.createQuery( |
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177 "from Gauge where river=:river " + |
5992
4c3ccf2b0304
Removed trailing whitespace.
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178 "and not " + |
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Another part of flys/issue1247: Now the main values are determined right if the gauge limits are in abitrary order.
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179 "((:b < least(range.a, range.b)) or" + |
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4c3ccf2b0304
Removed trailing whitespace.
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180 " (:a > greatest(range.a, range.b)))" + |
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181 "order by a"); |
488
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|
182 query.setParameter("river", this); |
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183 query.setParameter("a", new BigDecimal(a, PRECISION)); |
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184 query.setParameter("b", new BigDecimal(b, PRECISION)); |
488
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River got a new method that returns all gauges intersected by a given start and end point.
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185 |
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186 return query.list(); |
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187 } |
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188 |
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189 public Gauge maxOverlap(double a, double b) { |
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190 List<Gauge> gauges = determineGauges(a, b); |
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191 if (gauges == null) { |
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192 return null; |
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193 } |
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194 |
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195 if (a > b) { double t = a; a = b; b = t; } |
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196 |
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197 double max = -Double.MAX_VALUE; |
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198 |
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199 Gauge result = null; |
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200 |
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Added a method to river to find the gauge with the max overlap with a given interval.
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201 for (Gauge gauge: gauges) { |
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202 Range r = gauge.getRange(); |
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203 double c = r.getA().doubleValue(); |
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204 double d = r.getB().doubleValue(); |
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205 |
5878
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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206 if (c > d) { double t = c; c = d; d = t; } |
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207 |
769
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208 double start = c >= a ? c : a; |
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209 double stop = d <= b ? d : b; |
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210 |
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changeset
|
211 double length = stop - start; |
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Added a method to river to find the gauge with the max overlap with a given interval.
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parents:
768
diff
changeset
|
212 |
321b9e480f72
Added a method to river to find the gauge with the max overlap with a given interval.
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parents:
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diff
changeset
|
213 if (length > max) { |
321b9e480f72
Added a method to river to find the gauge with the max overlap with a given interval.
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diff
changeset
|
214 max = length; |
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Added a method to river to find the gauge with the max overlap with a given interval.
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parents:
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diff
changeset
|
215 result = gauge; |
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Added a method to river to find the gauge with the max overlap with a given interval.
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parents:
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diff
changeset
|
216 } |
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Added a method to river to find the gauge with the max overlap with a given interval.
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diff
changeset
|
217 } |
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Added a method to river to find the gauge with the max overlap with a given interval.
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|
218 |
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Added a method to river to find the gauge with the max overlap with a given interval.
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|
219 return result; |
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Added a method to river to find the gauge with the max overlap with a given interval.
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diff
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|
220 } |
321b9e480f72
Added a method to river to find the gauge with the max overlap with a given interval.
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221 |
767
5572d051347e
River: Added method to find gauge by its name.
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222 public Gauge determineGaugeByName(String name) { |
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223 Session session = SessionHolder.HOLDER.get(); |
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224 Query query = session.createQuery( |
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225 "from Gauge where river=:river and name=:name"); |
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226 query.setParameter("river", this); |
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227 query.setParameter("name", name); |
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228 List<Gauge> gauges = query.list(); |
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229 return gauges.isEmpty() ? null : gauges.get(0); |
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230 } |
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231 |
764
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river model: Added method to find gauge by a position lying in its range.
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|
232 public Gauge determineGaugeByPosition(double p) { |
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233 Session session = SessionHolder.HOLDER.get(); |
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changeset
|
234 Query query = session.createQuery( |
768 | 235 "from Gauge g where river=:river " + |
5992
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Removed trailing whitespace.
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236 "and :p between " + |
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237 "least(g.range.a, g.range.b) and " + |
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238 "greatest(g.range.a, g.range.b)"); |
764
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239 query.setParameter("river", this); |
768 | 240 query.setParameter("p", new BigDecimal(p, PRECISION)); |
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241 List<Gauge> gauges = query.list(); |
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242 return gauges.isEmpty() ? null : gauges.get(0); |
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243 } |
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244 |
757
c19d4c643526
River: add method to find gauge by its station position.
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245 public Gauge determineGaugeByStation(double a, double b) { |
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246 |
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247 if (a > b) { double t = a; a = b; b = t; } |
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248 |
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249 Session session = SessionHolder.HOLDER.get(); |
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250 |
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251 Query query = session.createQuery( |
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252 "from Gauge where river.id=:river " + |
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253 "and station between :a and :b"); |
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254 query.setParameter("river", getId()); |
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255 query.setParameter("a", new BigDecimal(a)); |
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256 query.setParameter("b", new BigDecimal(b)); |
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257 |
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258 List<Gauge> gauges = query.list(); |
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259 return gauges.isEmpty() ? null : gauges.get(0); |
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260 } |
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261 |
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262 public double[] determineMinMaxQ() { |
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263 Session session = SessionHolder.HOLDER.get(); |
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264 |
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265 Query query = session.createQuery( |
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266 "select min(wqr.q) as min, max(wqr.q) as max " + |
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267 "from Wst as w " + |
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268 "join w.columns as wc " + |
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269 "join wc.columnQRanges as wcqr " + |
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270 "join wcqr.wstQRange as wqr " + |
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271 "where w.kind = 0 and river_id = :river"); |
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272 |
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273 query.setParameter("river", getId()); |
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274 |
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275 double minmax[] = new double[] { Double.MAX_VALUE, -Double.MAX_VALUE }; |
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276 |
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|
277 List<Object> results = query.list(); |
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278 |
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279 if (!results.isEmpty()) { |
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|
280 Object[] arr = (Object[]) results.get(0); |
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281 BigDecimal minq = (BigDecimal)arr[0]; |
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282 BigDecimal maxq = (BigDecimal)arr[1]; |
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|
283 minmax[0] = minq.doubleValue(); |
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|
284 minmax[1] = maxq.doubleValue(); |
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|
285 } |
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286 |
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287 return minmax; |
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288 } |
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289 |
488
b316d2106598
River got a new method that returns all gauges intersected by a given start and end point.
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290 |
b316d2106598
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|
291 /** |
472
1e196c75563b
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|
292 * This method returns the first gauge that is intersected by <i>a</i> and |
6106
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293 * <i>b</i>, but which possibly does not ends with a or starts with b. |
472
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Added a new method to determine the selected gauge of a river based on a start and end point.
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diff
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|
294 * |
1e196c75563b
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|
295 * @param a A start point. |
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|
296 * @param b An end point. |
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Added a new method to determine the selected gauge of a river based on a start and end point.
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|
297 * |
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298 * @return the first intersecting gauge that does not border with a or b, |
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299 * the first intersecting gauge if that is impossible. |
472
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parents:
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diff
changeset
|
300 */ |
1e196c75563b
Added a new method to determine the selected gauge of a river based on a start and end point.
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diff
changeset
|
301 public Gauge determineGauge(double a, double b) { |
488
b316d2106598
River got a new method that returns all gauges intersected by a given start and end point.
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diff
changeset
|
302 List<Gauge> gauges = determineGauges(a, b); |
472
1e196c75563b
Added a new method to determine the selected gauge of a river based on a start and end point.
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parents:
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diff
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|
303 |
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304 if (a > b) { |
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changeset
|
305 for (int i = gauges.size() - 1; i >= 0; i--) { |
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changeset
|
306 Gauge g = gauges.get(i); |
6229
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Fix gauge determination.
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|
307 if (KM_CMP.compare(g.getRange().getA().doubleValue(), a) == 0) |
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|
308 continue; |
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changeset
|
309 return g; |
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|
310 } |
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parents:
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changeset
|
311 } |
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312 |
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|
313 for (Gauge g: gauges) { |
6229
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Fix gauge determination.
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|
314 if (KM_CMP.compare(g.getRange().getB().doubleValue(), a) == 0) { |
6106
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|
315 continue; |
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316 } |
776229dd5bf7
determineGauge tries now to find the correct Gauge by handling overlapping borders
Andre Heinecke <aheinecke@intevation.de>
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317 return g; |
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determineGauge tries now to find the correct Gauge by handling overlapping borders
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parents:
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318 } |
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determineGauge tries now to find the correct Gauge by handling overlapping borders
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parents:
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319 |
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determineGauge tries now to find the correct Gauge by handling overlapping borders
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320 return null; |
472
1e196c75563b
Added a new method to determine the selected gauge of a river based on a start and end point.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
465
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321 } |
1e196c75563b
Added a new method to determine the selected gauge of a river based on a start and end point.
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parents:
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322 |
465
c2c3ad4fda58
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323 /** |
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Added a method to River that returns the min and max distance of the river.
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324 * Returns the min and max distance of this river. The first position in the |
c2c3ad4fda58
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325 * resulting array contains the min distance, the second position the max |
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
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326 * distance. |
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
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327 * |
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
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328 * @return the min and max distance of this river. |
c2c3ad4fda58
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329 */ |
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
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330 public double[] determineMinMaxDistance() { |
2373
056b3a5aa181
Removed "NOT NULL" constraint from gauges.range_id because there are gauges which dont have a Gueltigkeitsbereich.
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331 List<Gauge> gauges = getGauges(); |
056b3a5aa181
Removed "NOT NULL" constraint from gauges.range_id because there are gauges which dont have a Gueltigkeitsbereich.
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parents:
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332 |
056b3a5aa181
Removed "NOT NULL" constraint from gauges.range_id because there are gauges which dont have a Gueltigkeitsbereich.
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parents:
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333 if (gauges == null || gauges.isEmpty()) { |
465
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
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334 return null; |
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Added a method to River that returns the min and max distance of the river.
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parents:
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335 } |
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336 |
5878
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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337 double minmax[] = new double[] { Double.MAX_VALUE, -Double.MAX_VALUE }; |
465
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Added a method to River that returns the min and max distance of the river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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338 |
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Added a method to River that returns the min and max distance of the river.
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339 for (Gauge g: gauges) { |
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Added a method to River that returns the min and max distance of the river.
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340 Range r = g.getRange(); |
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341 |
2373
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Removed "NOT NULL" constraint from gauges.range_id because there are gauges which dont have a Gueltigkeitsbereich.
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342 if (r == null) { |
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Removed "NOT NULL" constraint from gauges.range_id because there are gauges which dont have a Gueltigkeitsbereich.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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343 continue; |
056b3a5aa181
Removed "NOT NULL" constraint from gauges.range_id because there are gauges which dont have a Gueltigkeitsbereich.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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344 } |
056b3a5aa181
Removed "NOT NULL" constraint from gauges.range_id because there are gauges which dont have a Gueltigkeitsbereich.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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345 |
5878
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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parents:
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346 double a = r.getA().doubleValue(); |
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Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
Sascha L. Teichmann <teichmann@intevation.de>
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347 if (a < minmax[0]) { |
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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348 minmax[0] = a; |
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Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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349 } |
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Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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parents:
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350 if (a > minmax[1]) { |
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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parents:
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351 minmax[1] = a; |
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Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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352 } |
465
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
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parents:
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diff
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353 |
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
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parents:
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354 BigDecimal bigB = r.getB(); |
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Added a method to River that returns the min and max distance of the river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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355 if (bigB != null) { |
5878
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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parents:
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356 double b = bigB.doubleValue(); |
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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357 if (b < minmax[0]) { |
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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parents:
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358 minmax[0] = b; |
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Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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parents:
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359 } |
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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parents:
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360 if (b > minmax[1]) { |
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
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parents:
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changeset
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361 minmax[1] = b; |
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
5844
diff
changeset
|
362 } |
465
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
188
diff
changeset
|
363 } |
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
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parents:
188
diff
changeset
|
364 } |
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
188
diff
changeset
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365 |
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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366 return minmax; |
c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
367 } |
2383
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2373
diff
changeset
|
368 |
2384
385170ff7b34
River: (fix) Renamed function which is not a getter.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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369 public Map<Double, Double> queryGaugeDatumsKMs() { |
2383
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
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parents:
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|
370 List<Gauge> gauges = getGauges(); |
5878
a7b56219b362
Partial fix for flys/issue1247: When trying to find gauges take care of the fact that start and end position are in abitrary order.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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371 Map<Double, Double> result = new TreeMap<Double, Double>(KM_CMP); |
2383
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
372 |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
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parents:
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373 for (Gauge gauge: gauges) { |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
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parents:
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diff
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|
374 BigDecimal km = gauge.getStation(); |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
375 BigDecimal datum = gauge.getDatum(); |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
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parents:
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diff
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|
376 if (km != null && datum != null) { |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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|
377 result.put(km.doubleValue(), datum.doubleValue()); |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2373
diff
changeset
|
378 } |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
379 } |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
380 |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
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parents:
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diff
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|
381 return result; |
6605dcd6745f
Added a method to build a map from gauge stations to the datums of the gauges.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
2373
diff
changeset
|
382 } |
3944
5fea100c5334
Add a new method to River and Gauge classes to return a http url for additional
Bjoern Ricks <bjoern.ricks@intevation.de>
parents:
3795
diff
changeset
|
383 |
167
15d515fe15f5
Added POJOs to be mapped to schema.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
384 } |
15d515fe15f5
Added POJOs to be mapped to schema.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
385 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |