Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/model/Gauge.java @ 507:730f8500a73a

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Tagged release 2.3.1 of flys-backend. flys-backend/tags/2.3.1@1970 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 20 May 2011 09:30:08 +0000
parents 46bb2b9e0bdc
children 5a3109b8475f
rev   line source
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1 package de.intevation.flys.model;
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2
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3 import java.math.BigDecimal;
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4
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5 import java.io.Serializable;
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6
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7 import java.util.List;
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8
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9 import javax.persistence.Entity;
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10 import javax.persistence.Id;
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11 import javax.persistence.Table;
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12 import javax.persistence.GeneratedValue;
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13 import javax.persistence.Column;
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14 import javax.persistence.SequenceGenerator;
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15 import javax.persistence.GenerationType;
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16 import javax.persistence.JoinColumn;
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17 import javax.persistence.OneToOne;
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18 import javax.persistence.OneToMany;
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19
468
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20 import org.hibernate.Session;
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21 import org.hibernate.Query;
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22
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23 import de.intevation.flys.backend.SessionHolder;
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24
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25
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26 @Entity
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27 @Table(name = "gauges")
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28 public class Gauge
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29 implements Serializable
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30 {
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31 public static final int DEFAULT_SCALE = 100;
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32
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33 private Integer id;
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34 private String name;
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35 private River river;
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36 private BigDecimal station;
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37 private BigDecimal aeo;
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38 private BigDecimal datum;
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39 private Range range;
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40
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41 private List<DischargeTable> dischargeTables;
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42
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43 public Gauge() {
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44 }
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45
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46 public Gauge(
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47 String name,
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48 River river,
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49 BigDecimal station,
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50 BigDecimal aeo,
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51 BigDecimal datum,
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52 Range range
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53 ) {
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54 this.name = name;
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55 this.river = river;
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56 this.station = station;
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57 this.aeo = aeo;
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58 this.datum = datum;
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59 this.range = range;
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60 }
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61
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62 @Id
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63 @SequenceGenerator(
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64 name = "SEQUENCE_GAUGES_ID_SEQ",
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65 sequenceName = "GAUGES_ID_SEQ",
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66 allocationSize = 1)
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67 @GeneratedValue(
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68 strategy = GenerationType.SEQUENCE,
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69 generator = "SEQUENCE_GAUGES_ID_SEQ")
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70 @Column(name = "id")
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71 public Integer getId() {
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72 return id;
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73 }
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74
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75 public void setId(Integer id) {
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76 this.id = id;
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77 }
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78
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79 @OneToOne
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80 @JoinColumn(name = "river_id" )
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81 public River getRiver() {
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82 return river;
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83 }
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84
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85 public void setRiver(River river) {
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86 this.river = river;
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87 }
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88
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89 @Column(name = "name")
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90 public String getName() {
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91 return name;
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92 }
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93
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94 public void setName(String name) {
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95 this.name = name;
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96 }
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98 @Column(name = "station") // FIXME: type mapping needed
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99 public BigDecimal getStation() {
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100 return station;
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101 }
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102
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103 public void setStation(BigDecimal station) {
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104 this.station = station;
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105 }
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106
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107 @Column(name = "aeo") // FIXME: type mapping needed
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108 public BigDecimal getAeo() {
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109 return aeo;
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110 }
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111
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112 public void setAeo(BigDecimal aeo) {
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113 this.aeo = aeo;
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114 }
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115
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116 @Column(name = "datum") // FIXME: type mapping needed
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117 public BigDecimal getDatum() {
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118 return datum;
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119 }
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120
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121 public void setDatum(BigDecimal datum) {
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122 this.datum = datum;
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123 }
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124
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125 @OneToOne
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126 @JoinColumn(name = "range_id" )
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127 public Range getRange() {
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128 return range;
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129 }
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130
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131 public void setRange(Range range) {
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132 this.range = range;
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133 }
203
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134
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135 @OneToMany
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136 @JoinColumn(name = "gauge_id")
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137 public List<DischargeTable> getDischargeTables() {
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138 return dischargeTables;
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139 }
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140
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141 public void setDischargeTables(List<DischargeTable> dischargeTables) {
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142 this.dischargeTables = dischargeTables;
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143 }
468
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144
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145
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146 /**
480
46bb2b9e0bdc Introduced a 'scale' parameter in Gauge.determineMinMaxW().
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147 * Returns min and max W values of this gauge based with a DEFAULT_SCALE.
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148 *
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149 * @return min and max W value of this gauge [min,max].
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150 */
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151 public double[] determineMinMaxW() {
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152 return determineMinMaxW(DEFAULT_SCALE);
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153 }
46bb2b9e0bdc Introduced a 'scale' parameter in Gauge.determineMinMaxW().
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154
46bb2b9e0bdc Introduced a 'scale' parameter in Gauge.determineMinMaxW().
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155
46bb2b9e0bdc Introduced a 'scale' parameter in Gauge.determineMinMaxW().
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156 /**
468
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157 * Returns min and max W values of this gauge.
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158 *
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159 * @return the min and max W value of this gauge [min,max].
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160 */
480
46bb2b9e0bdc Introduced a 'scale' parameter in Gauge.determineMinMaxW().
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161 public double[] determineMinMaxW(int scale) {
468
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162 Session session = SessionHolder.HOLDER.get();
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163
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164 List<DischargeTable> tables = getDischargeTables();
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165 DischargeTable dischargeTable = null;
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166
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167 for (DischargeTable tmp: tables) {
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168 if (tmp.getKind() == 0) {
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169 dischargeTable = tmp;
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170 break;
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171 }
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172 }
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173
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174 if (dischargeTable == null) {
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175 return null;
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176 }
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177
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178 Query query = session.createQuery(
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179 "select min(w) as min, max(w) as max from DischargeTableValue " +
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180 "where table_id =:table");
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181 query.setParameter("table", dischargeTable.getId());
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182
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183 List results = query.list();
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184 Object[] result = (Object[]) results.get(0);
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185
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186 return result != null
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187 ? new double[] {
480
46bb2b9e0bdc Introduced a 'scale' parameter in Gauge.determineMinMaxW().
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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188 ((BigDecimal) result[0]).doubleValue() * scale,
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189 ((BigDecimal) result[1]).doubleValue() * scale}
468
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190 : null;
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191 }
167
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parents:
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192 }
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parents:
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193 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org