Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/access/RangeAccess.java @ 9132:8cc192731c7d

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WQSelect can now handle distance-only data
author gernotbelger
date Wed, 06 Jun 2018 14:24:51 +0200
parents 850ce16034e9
children
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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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.access;
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10
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11 import org.apache.commons.lang.math.DoubleRange;
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12 import org.apache.log4j.Logger;
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13 import org.dive4elements.river.artifacts.D4EArtifact;
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14 import org.dive4elements.river.artifacts.WINFOArtifact;
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15 import org.dive4elements.river.utils.DoubleUtil;
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16 import org.dive4elements.river.utils.RiverUtils;
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17
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18 import gnu.trove.TDoubleArrayList;
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19
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20 /** For the moment, light-weight wrapper around RiverUtils. */
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21 // TODO employ 'Caching' like other Accesses, remove usage of RiverUtils.
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22 public class RangeAccess extends RiverAccess {
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23 private static Logger log = Logger.getLogger(RangeAccess.class);
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24
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25 public static enum KM_MODE {
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26 RANGE, LOCATIONS, NONE, DISTANCE_ONLY
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27 }
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28
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29 /** The default step width between the start end end kilometer. */
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30 public static final double DEFAULT_KM_STEPS = 0.1;
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31
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32 private Double from;
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33
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34 private Double to;
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35
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36 private Double step;
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37
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38 private KM_MODE mode;
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39
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40 public RangeAccess(final D4EArtifact artifact) {
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41 super(artifact);
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42 }
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43
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44 /** Evaluate the ld_mode data of artifact. */
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45 public KM_MODE getKmRangeMode() {
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46 if (this.mode != null)
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47 return this.mode;
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48
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49 final String modeData = getString("ld_mode");
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50 this.mode = parseRangeMode(modeData);
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51
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52 return this.mode;
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53 }
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54
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55 private KM_MODE parseRangeMode(final String modeData) {
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56
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57 if (modeData == null)
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58 return KM_MODE.NONE;
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59
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60 switch (modeData) {
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61 case "distance":
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62 return KM_MODE.RANGE;
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63
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64 case "distance_only":
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65 return KM_MODE.DISTANCE_ONLY;
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66
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67 case "locations":
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68 return KM_MODE.LOCATIONS;
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69
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70 default:
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71 return KM_MODE.NONE;
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72 }
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73 }
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74
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75 public final DoubleRange getRange() {
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76 final double from = getFrom();
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77 final double to = getTo();
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78 return new DoubleRange(from, to);
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79 }
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80
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81 /** Check if the calculation mode is Range. */
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82 public boolean isRange() {
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83 return getKmRangeMode() == KM_MODE.RANGE;
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84 }
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85
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86 /**
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87 * Return sorted array of locations at which stuff was calculated
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88 * (from ld_locations data), null if not parameterized this way.
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89 */
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90 public double[] getLocations() {
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91 final String locationStr = getString("ld_locations");
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92
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93 if (locationStr == null || locationStr.length() == 0) {
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94 if (getArtifact() instanceof WINFOArtifact) {
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95 final WINFOArtifact winfo = (WINFOArtifact) getArtifact();
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96 if (winfo.getReferenceStartKm() != null && winfo.getReferenceEndKms() != null) {
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97 return new double[] { winfo.getReferenceStartKm().doubleValue(), winfo.getReferenceEndKms()[0] };
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98 } else if (winfo.getReferenceStartKm() != null) {
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99 return new double[] { winfo.getReferenceStartKm().doubleValue(), winfo.getReferenceStartKm().doubleValue() };
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100 }
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101 }
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102 return null;
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103 }
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104
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105 final String[] tmp = locationStr.split(" ");
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106 final TDoubleArrayList locations = new TDoubleArrayList();
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107
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108 for (final String l : tmp) {
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109 try {
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110 locations.add(Double.parseDouble(l));
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111 }
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112 catch (final NumberFormatException nfe) {
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113 log.debug(nfe.getLocalizedMessage(), nfe);
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114 }
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115 }
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116
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117 locations.sort();
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118
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119 return locations.toNativeArray();
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120 }
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121
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122 public boolean hasFrom() {
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123 return this.from != null || (this.from = getDouble("ld_from")) != null;
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124 }
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125
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126 public boolean hasTo() {
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127 return this.to != null || (this.to = getDouble("ld_to")) != null;
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128 }
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129
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130 /*
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131 * If left_to_right is set to true this returns
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132 * the smaller value of from and to.
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133 */
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134 public double getFrom(final boolean left_to_right) {
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135 if (!left_to_right) {
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136 return getFrom();
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137 }
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138 final double from = getFrom();
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139 final double to = getTo();
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140 return from > to ? to : from;
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141 }
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142
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143 /** Return ld_from data (in km). If not found, the min. */
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144 public double getFrom() {
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145 if (this.from == null) {
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146 this.from = getDouble("ld_from");
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147 }
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148
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149 if (log.isDebugEnabled()) {
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150 log.debug("from from data: '" + this.from + "'");
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151 }
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152
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153 if (this.from == null) {
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154 log.warn("No 'from' found. Assume min of river.");
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155 return getRiver().determineMinMaxDistance()[0];
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156 }
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157
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158 return this.from.doubleValue();
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159 }
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160
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161 /*
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162 * If left_to_right is set to true this returns
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163 * the larger value of from and to.
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164 */
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165 public double getTo(final boolean left_to_right) {
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166 if (!left_to_right) {
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167 return getTo();
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168 }
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169 final double from = getFrom();
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170 final double to = getTo();
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171 return from > to ? from : to;
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172 }
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173
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174 /** Return ld_to data (in km), if not found, the max. */
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175 public double getTo() {
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176 if (this.to == null) {
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177 this.to = getDouble("ld_to");
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178 }
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179
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180 if (log.isDebugEnabled()) {
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181 log.debug("to from data: '" + this.to + "'");
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182 }
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183
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184 if (this.to == null) {
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185 log.warn("No 'to' found. Assume max of river.");
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186 return getRiver().determineMinMaxDistance()[1];
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187 }
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188
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189 return this.to.doubleValue();
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190 }
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191
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192 /** Step width for calculation. */
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193 public Double getStep() {
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194
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195 if (this.step == null) {
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196 this.step = getDouble("ld_step");
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197 }
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198
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199 if (log.isDebugEnabled()) {
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200 log.debug("step: '" + this.step + "'");
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201 }
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202
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203 return this.step;
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204 }
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205
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206 /**
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207 * Get min and max kilometer, independent of parametization
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208 * (ld_from/to vs ld_locations).
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209 */
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210 public double[] getKmRange() {
4853
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211 // TODO store kmRange in field.
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212 switch (getKmRangeMode()) {
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213 case RANGE:
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214 case DISTANCE_ONLY:
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215 return getKmFromTo();
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216
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217 case LOCATIONS: {
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218 final double[] locs = getLocations();
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219 // if no locations, nPE.
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220 if (locs == null) {
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221 log.warn("no locations to get km range from.");
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222 return new double[] { Double.NaN, Double.NaN };
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223 }
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224 return new double[] { locs[0], locs[locs.length - 1] };
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225 }
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226
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227 case NONE: {
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228 final double[] locs = getLocations();
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229 if (locs != null) {
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230 return new double[] { locs[0], locs[locs.length - 1] };
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231 } else {
4853
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232 return getKmFromTo();
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233 }
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234 }
4853
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235 }
a0949259181e RangeAccess.getKmRange: Extracted from FLYSUtils.
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236
a0949259181e RangeAccess.getKmRange: Extracted from FLYSUtils.
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237 return new double[] { Double.NaN, Double.NaN };
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238 }
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239
1fea4243721c Add stubs for GaugeAccess and RangeAccess, for they do not get lost.
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240 public double[] getKmFromTo() {
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241 return RiverUtils.getKmFromTo(this.getArtifact());
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242 }
8562
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243
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
Andre Heinecke <andre.heinecke@intevation.de>
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244 /**
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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245 * Returns the selected Kms in steps as specified.
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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246 *
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247 * @return Each step for this range.
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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248 */
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249 public double[] getKmSteps() {
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250 double step = getStep();
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251
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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252 // transform step from 'm' into 'km'
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253 step = step / 1000;
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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254
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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255 if (step == 0d) {
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256 step = DEFAULT_KM_STEPS;
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257 }
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258
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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259 return DoubleUtil.explode(getFrom(), getTo(), step);
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260 }
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261
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262 public final double getLowerKm() {
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263 return Math.min(this.getFrom(), this.getTo());
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264 }
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265
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266 public final double getUpperKm() {
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267 return Math.max(this.getFrom(), this.getTo());
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268 }
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269 }
1fea4243721c Add stubs for GaugeAccess and RangeAccess, for they do not get lost.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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270 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org