Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/access/RangeAccess.java @ 9099:850ce16034e9

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2.3.4.1.10 Berechnung mit Start-km > End-km
author gernotbelger
date Mon, 28 May 2018 13:22:45 +0200
parents 611a523fc42f
children 8cc192731c7d
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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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
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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 double[] kmRange;
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33
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34 Double from;
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35
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36 Double to;
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37
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38 Double step;
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39
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40 private KM_MODE mode;
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41
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42 public RangeAccess() {
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43 }
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44
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45 public RangeAccess(final D4EArtifact artifact) {
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46 super(artifact);
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47 }
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48
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49 /** Evaluate the ld_mode data of artifact. */
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50 public KM_MODE getKmRangeMode() {
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51 if (this.mode != null) {
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52 return this.mode;
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53 }
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54 final String modeData = getString("ld_mode");
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55
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56 if (modeData == null || modeData.length() == 0) {
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57 this.mode = KM_MODE.NONE;
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58 } else if (modeData.equals("distance")) {
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59 this.mode = KM_MODE.RANGE;
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60 } else if (modeData.equals("locations")) {
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61 this.mode = KM_MODE.LOCATIONS;
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62 } else {
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63 this.mode = KM_MODE.NONE;
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64 }
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65
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66 return this.mode;
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67 }
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68
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69 public final DoubleRange getRange() {
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70 final double from = getFrom();
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71 final double to = getTo();
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72 return new DoubleRange(from, to);
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73 }
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74
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75 /** Check if the calculation mode is Range. */
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76 public boolean isRange() {
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77 return getKmRangeMode() == KM_MODE.RANGE;
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78 }
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79
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80 /**
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81 * Return sorted array of locations at which stuff was calculated
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82 * (from ld_locations data), null if not parameterized this way.
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83 */
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84 public double[] getLocations() {
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85 final String locationStr = getString("ld_locations");
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86
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87 if (locationStr == null || locationStr.length() == 0) {
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88 if (getArtifact() instanceof WINFOArtifact) {
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89 final WINFOArtifact winfo = (WINFOArtifact) getArtifact();
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90 if (winfo.getReferenceStartKm() != null && winfo.getReferenceEndKms() != null) {
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91 return new double[] { winfo.getReferenceStartKm().doubleValue(), winfo.getReferenceEndKms()[0] };
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92 } else if (winfo.getReferenceStartKm() != null) {
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93 return new double[] { winfo.getReferenceStartKm().doubleValue(), winfo.getReferenceStartKm().doubleValue() };
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94 }
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95 }
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96 return null;
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97 }
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98
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99 final String[] tmp = locationStr.split(" ");
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100 final TDoubleArrayList locations = new TDoubleArrayList();
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101
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102 for (final String l : tmp) {
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103 try {
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104 locations.add(Double.parseDouble(l));
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105 }
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106 catch (final NumberFormatException nfe) {
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107 log.debug(nfe.getLocalizedMessage(), nfe);
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108 }
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109 }
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110
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111 locations.sort();
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112
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113 return locations.toNativeArray();
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114 }
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115
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116 public boolean hasFrom() {
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117 return this.from != null || (this.from = getDouble("ld_from")) != null;
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118 }
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119
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120 public boolean hasTo() {
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121 return this.to != null || (this.to = getDouble("ld_to")) != null;
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122 }
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123
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124 /*
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125 * If left_to_right is set to true this returns
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126 * the smaller value of from and to.
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127 */
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128 public double getFrom(final boolean left_to_right) {
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129 if (!left_to_right) {
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130 return getFrom();
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131 }
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132 final double from = getFrom();
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133 final double to = getTo();
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134 return from > to ? to : from;
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135 }
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136
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137 /** Return ld_from data (in km). If not found, the min. */
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138 public double getFrom() {
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139 if (this.from == null) {
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140 this.from = getDouble("ld_from");
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141 }
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142
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143 if (log.isDebugEnabled()) {
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144 log.debug("from from data: '" + this.from + "'");
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145 }
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146
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147 if (this.from == null) {
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148 log.warn("No 'from' found. Assume min of river.");
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149 return getRiver().determineMinMaxDistance()[0];
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150 }
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151
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152 return this.from.doubleValue();
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153 }
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154
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155 /*
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156 * If left_to_right is set to true this returns
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157 * the larger value of from and to.
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158 */
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159 public double getTo(final boolean left_to_right) {
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160 if (!left_to_right) {
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161 return getTo();
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162 }
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163 final double from = getFrom();
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164 final double to = getTo();
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165 return from > to ? from : to;
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166 }
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167
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168 /** Return ld_to data (in km), if not found, the max. */
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169 public double getTo() {
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170 if (this.to == null) {
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171 this.to = getDouble("ld_to");
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172 }
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173
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174 if (log.isDebugEnabled()) {
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175 log.debug("to from data: '" + this.to + "'");
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176 }
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177
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178 if (this.to == null) {
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179 log.warn("No 'to' found. Assume max of river.");
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180 return getRiver().determineMinMaxDistance()[1];
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181 }
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182
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183 return this.to.doubleValue();
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184 }
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185
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186 /** Step width for calculation. */
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187 public Double getStep() {
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188
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189 if (this.step == null) {
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190 this.step = getDouble("ld_step");
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191 }
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192
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193 if (log.isDebugEnabled()) {
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194 log.debug("step: '" + this.step + "'");
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195 }
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196
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197 return this.step;
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198 }
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199
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200 /**
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201 * Get min and max kilometer, independent of parametization
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202 * (ld_from/to vs ld_locations).
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203 */
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204 public double[] getKmRange() {
4853
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205 // TODO store kmRange in field.
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206 switch (getKmRangeMode()) {
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207 case RANGE: {
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208 return getKmFromTo();
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209 }
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210
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211 case LOCATIONS: {
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212 final double[] locs = getLocations();
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213 // if no locations, nPE.
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214 if (locs == null) {
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215 log.warn("no locations to get km range from.");
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216 return new double[] { Double.NaN, Double.NaN };
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217 }
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218 return new double[] { locs[0], locs[locs.length - 1] };
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219 }
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220
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221 case NONE: {
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222 final double[] locs = getLocations();
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223 if (locs != null) {
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224 return new double[] { locs[0], locs[locs.length - 1] };
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225 } else {
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226 return getKmFromTo();
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227 }
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228 }
4853
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229 }
a0949259181e RangeAccess.getKmRange: Extracted from FLYSUtils.
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230
a0949259181e RangeAccess.getKmRange: Extracted from FLYSUtils.
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231 return new double[] { Double.NaN, Double.NaN };
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232 }
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233
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234 public double[] getKmFromTo() {
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235 return RiverUtils.getKmFromTo(this.getArtifact());
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236 }
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237
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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238 /**
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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239 * Returns the selected Kms in steps as specified.
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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240 *
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241 * @return Each step for this range.
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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242 */
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243 public double[] getKmSteps() {
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244 double step = getStep();
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245
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246 // transform step from 'm' into 'km'
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247 step = step / 1000;
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248
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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249 if (step == 0d) {
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250 step = DEFAULT_KM_STEPS;
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251 }
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252
c62837ba37f3 (issue1755) Move KM Step handling from Winfo artifact to RangeAccess
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253 return DoubleUtil.explode(getFrom(), getTo(), step);
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254 }
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255
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256 public final double getLowerKm() {
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257 return Math.min(this.getFrom(), this.getTo());
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258 }
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259
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260 public final double getUpperKm() {
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261 return Math.max(this.getFrom(), this.getTo());
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262 }
4647
1fea4243721c Add stubs for GaugeAccess and RangeAccess, for they do not get lost.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
263 }
1fea4243721c Add stubs for GaugeAccess and RangeAccess, for they do not get lost.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
264 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org