Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Segment.java @ 3435:262e7d7e58fe

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FixA: Made curve fitting over the given calculation range reusable. Removed dead code. flys-artifacts/trunk@5098 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 22 Jul 2012 10:38:30 +0000
parents da7cf0e3ccaa
children cb11919cccf9
rev   line source
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1 package de.intevation.flys.artifacts.model;
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2
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3 import de.intevation.flys.utils.DoubleUtil;
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4
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5 import gnu.trove.TDoubleArrayList;
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6
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7 import java.io.Serializable;
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8
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9 import java.util.ArrayList;
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10 import java.util.List;
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11
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12 import org.apache.log4j.Logger;
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13
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14 public class Segment
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15 implements Serializable
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16 {
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17 private static Logger logger = Logger.getLogger(Segment.class);
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18
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19 protected double from;
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20 protected double to;
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21 protected double [] values;
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22 protected double [] backup;
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23 protected double referencePoint;
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24
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25 public Segment() {
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26 }
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27
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28 public Segment(double referencePoint) {
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29 this.referencePoint = referencePoint;
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30 }
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31
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32 public Segment(double from, double to, double [] values) {
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33 this.from = from;
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34 this.to = to;
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35 this.values = values;
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36 }
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37
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38 public boolean isUp() {
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39 return from < to;
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40 }
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41
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42 @Override
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43 public String toString() {
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44 StringBuilder sb = new StringBuilder("Segment: [");
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45 sb.append("from: ").append(from).append("; to: ")
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46 .append(to)
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47 .append("; ref: ").append(referencePoint)
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48 .append("; values: (");
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49 for (int i = 0; i < values.length; ++i) {
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50 if (i > 0) sb.append(", ");
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51 sb.append(values[i]);
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52 }
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53 sb.append(")]");
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54 return sb.toString();
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55 }
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56
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57 public void setFrom(double from) {
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58 this.from = from;
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59 }
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60
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61 public void backup() {
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62 backup = values != null
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63 ? (double [])values.clone()
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64 : null;
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65 }
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66
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67 public double getFrom() {
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68 return from;
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69 }
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70
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71 public void setTo(double to) {
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72 this.to = to;
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73 }
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74
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75 public double getTo() {
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76 return to;
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77 }
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78
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79 public void setValues(double [] values) {
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80 this.values = values;
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81 }
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82
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83 public double [] getValues() {
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84 return values;
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85 }
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86
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87 public void setReferencePoint(double referencePoint) {
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88 this.referencePoint = referencePoint;
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89 }
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90
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91 public double getReferencePoint() {
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92 return referencePoint;
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93 }
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94
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95 public static List<Segment> parseSegments(String input) {
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96
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97 ArrayList<Segment> segments = new ArrayList<Segment>();
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98
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99 TDoubleArrayList vs = new TDoubleArrayList();
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100
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101 for (String segmentStr: input.split(":")) {
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102 String [] parts = segmentStr.split(";");
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103 if (parts.length < 3) {
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104 logger.warn("invalid segment: '" + segmentStr + "'");
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105 continue;
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106 }
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107 try {
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108 double from = Double.parseDouble(parts[0].trim());
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109 double to = Double.parseDouble(parts[1].trim());
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110
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111 vs.clear();
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112
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113 for (String valueStr: parts[2].split(",")) {
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114 vs.add(DoubleUtil.round(
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115 Double.parseDouble(valueStr.trim())));
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116 }
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117
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118 double [] values = vs.toNativeArray();
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119 segments.add(new Segment(from, to, values));
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120 }
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121 catch (NumberFormatException nfe) {
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122 logger.warn("invalid segment: '" + segmentStr + "'");
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123 }
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124 }
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125
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126 return segments;
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127 }
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128 }
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129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org