Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Calculation4.java @ 5211:9e11599266c8

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Allow dots and numbers in oracle backend name
author Andre Heinecke <aheinecke@intevation.de>
date Mon, 11 Mar 2013 09:53:16 +0100
parents fc0cdcae8f07
children
rev   line source
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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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.artifacts.access.Calculation4Access;
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4
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5 import de.intevation.flys.artifacts.math.BackJumpCorrector;
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6 import de.intevation.flys.artifacts.math.Function;
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7 import de.intevation.flys.artifacts.math.Identity;
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8 import de.intevation.flys.artifacts.math.Linear;
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10 import de.intevation.flys.artifacts.model.RiverFactory;
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12 import de.intevation.flys.artifacts.model.WstValueTable.QPosition;
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13
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14 import de.intevation.flys.model.River;
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15
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16 import de.intevation.flys.utils.DoubleUtil;
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17
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18 import java.util.ArrayList;
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19 import java.util.Arrays;
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20 import java.util.List;
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21
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22 import org.apache.log4j.Logger;
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23
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24 public class Calculation4
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25 extends Calculation
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26 {
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27 private static Logger logger = Logger.getLogger(Calculation4.class);
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28
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29 public static final double MINIMAL_STEP_WIDTH = 1e-5;
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30
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31 protected List<Segment> segments;
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32
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33 protected boolean isQ;
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34 protected double from;
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35 protected double to;
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36 protected double step;
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37 protected String river;
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38
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39 public Calculation4() {
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40 }
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41
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42 public Calculation4(Calculation4Access access) {
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43 logger.debug("Calculation4Access.cnst");
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44 String river = access.getRiver();
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45 List<Segment> segments = access.getSegments();
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46 double [] range = access.getFromToStep();
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47 boolean isQ = access.isQ();
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48
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49 if (river == null) {
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50 addProblem("no.river.selected");
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51 }
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52
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53 if (range == null) {
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54 addProblem("no.range.found");
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55 }
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56
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57 if (segments == null || segments.isEmpty()) {
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58 addProblem("cannot.create.segments");
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59 }
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60
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61 if (!hasProblems()) {
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62 this.river = river;
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63 this.segments = segments;
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64 this.from = range[0];
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65 this.to = range[1];
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66 this.step = range[2];
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67 this.isQ = isQ;
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68 }
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69 }
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70
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71 public CalculationResult calculate() {
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72 if (hasProblems()) {
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73 return new CalculationResult(new WQKms[0], this);
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74 }
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75
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76 WstValueTable table = null;
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77 River r = RiverFactory.getRiver(river);
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78 if (r == null) {
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79 addProblem("no.river.found");
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80 }
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81 else {
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82 table = WstValueTableFactory.getTable(r);
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83 if (table == null) {
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84 addProblem("no.wst.for.river");
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85 }
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86 else {
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87 Segment.setReferencePointConvertQ(segments, r, isQ, this);
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88 }
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89 }
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90
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91 return hasProblems()
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92 ? new CalculationResult(new WQKms[0], this)
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93 : innerCalculate(table);
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94 }
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95
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96 protected CalculationResult innerCalculate(WstValueTable table) {
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97 boolean debug = logger.isDebugEnabled();
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98
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99 if (debug) {
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100 logger.debug(
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101 "calculate from " + from + " to " + to + " step " + step);
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102 logger.debug("# segments: " + segments.size());
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103 for (Segment segment: segments) {
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104 logger.debug(" " + segment);
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105 }
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106 }
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107
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108 int numResults = segments.get(0).values.length;
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109
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110 if (numResults < 1) {
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111 logger.debug("no values given");
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112 addProblem("no.values.given");
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113 return new CalculationResult(new WQKms[0], this);
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114 }
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115
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116
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117 WQKms [] results = new WQKms[numResults];
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parents:
diff changeset
118 for (int i = 0; i < results.length; ++i) {
913b52064449 Refactored version of "Berechnung 4"
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parents:
diff changeset
119 results[i] = new WQKms();
913b52064449 Refactored version of "Berechnung 4"
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parents:
diff changeset
120 }
913b52064449 Refactored version of "Berechnung 4"
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parents:
diff changeset
121
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parents:
diff changeset
122 if (Math.abs(step) < MINIMAL_STEP_WIDTH) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
123 step = MINIMAL_STEP_WIDTH;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
124 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
125
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
126 if (from > to) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
127 step = -step;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
128 }
913b52064449 Refactored version of "Berechnung 4"
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parents:
diff changeset
129
913b52064449 Refactored version of "Berechnung 4"
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parents:
diff changeset
130 QPosition [] qPositions = new QPosition[numResults];
913b52064449 Refactored version of "Berechnung 4"
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parents:
diff changeset
131
913b52064449 Refactored version of "Berechnung 4"
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diff changeset
132 Function [] functions = new Function[numResults];
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diff changeset
133
913b52064449 Refactored version of "Berechnung 4"
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diff changeset
134 double [] out = new double[2];
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parents:
diff changeset
135
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
136 Segment sentinel = new Segment(Double.MAX_VALUE);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
137 Segment s1 = sentinel, s2 = sentinel;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
138
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
139 for (double pos = from;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
140 from < to ? pos <= to : pos >= to;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
141 pos = DoubleUtil.round(pos + step)
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142 ) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
143 if (pos < s1.referencePoint || pos > s2.referencePoint) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 if (debug) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
145 logger.debug("need to find new interval for " + pos);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
146 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
147 // find new interval
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
148 if (pos <= segments.get(0).referencePoint) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
149 // before first segment -> "gleichwertig"
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
150 if (debug) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
151 logger.debug("before first segment -> gleichwertig");
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
152 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
153 Segment first = segments.get(0);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
154 double [] values = first.values;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
155 double refPos = first.referencePoint;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
156 for (int i = 0; i < qPositions.length; ++i) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 qPositions[i] = table.getQPosition(
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
158 refPos, values[i]);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
159 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
160 sentinel.setReferencePoint(-Double.MAX_VALUE);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
161 s1 = sentinel;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
162 s2 = segments.get(0);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
163 Arrays.fill(functions, Identity.IDENTITY);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
164 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
165 else if (pos >= segments.get(segments.size()-1).referencePoint) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
166 // after last segment -> "gleichwertig"
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
167 if (debug) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
168 logger.debug("after last segment -> gleichwertig");
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
169 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
170 Segment last = segments.get(segments.size()-1);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
171 double [] values = last.values;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
172 double refPos = last.referencePoint;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
173 for (int i = 0; i < qPositions.length; ++i) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
174 qPositions[i] = table.getQPosition(
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
175 refPos, values[i]);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
176 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
177 sentinel.setReferencePoint(Double.MAX_VALUE);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
178 s1 = last;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
179 s2 = sentinel;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
180 Arrays.fill(functions, Identity.IDENTITY);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
181 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
182 else { // "ungleichwertig"
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
183 // find matching interval
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
184 if (debug) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
185 logger.debug("in segments -> ungleichwertig");
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
186 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
187 s1 = s2 = null;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
188 for (int i = 1, N = segments.size(); i < N; ++i) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
189 Segment si1 = segments.get(i-1);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
190 Segment si = segments.get(i);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191 if (debug) {
742
c09c9e05ecfa Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 739
diff changeset
192 logger.debug("check " + pos + " in " +
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
193 si1.referencePoint + " - " + si.referencePoint);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
194 }
742
c09c9e05ecfa Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 739
diff changeset
195 if (pos >= si1.referencePoint
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
196 && pos <= si. referencePoint) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
197 s1 = si1;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
198 s2 = si;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
199 break;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
200 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
201 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
202
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
203 if (s1 == null) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
204 throw new IllegalStateException("no interval found");
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
205 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
206
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
207 Segment anchor, free;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
209 if (from > to) { anchor = s1; free = s2; }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
210 else { anchor = s2; free = s1; }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
212 // build transforms based on "gleichwertiger" phase
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
213 for (int i = 0; i < qPositions.length; ++i) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
214 QPosition qi = table.getQPosition(
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215 anchor.referencePoint,
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
216 anchor.values[i]);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
218 if ((qPositions[i] = qi) == null) {
2166
2898b1ff6013 I18N for WINFO calculation result messages.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 742
diff changeset
219 addProblem(pos, "cannot.find.q", anchor.values[i]);
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
220 functions[i] = Identity.IDENTITY;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
221 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
222 else {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
223 double qA = table.getQ(qi, anchor.referencePoint);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
224 double qF = table.getQ(qi, free .referencePoint);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
225
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
226 functions[i] = Double.isNaN(qA) || Double.isNaN(qF)
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
227 ? Identity.IDENTITY
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
228 : new Linear(
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
229 qA, qF,
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
230 anchor.values[i], free.values[i]);
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
231
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
232 if (debug) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
233 logger.debug(
742
c09c9e05ecfa Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 739
diff changeset
234 anchor.referencePoint + ": " +
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
235 qA + " -> " + functions[i].value(qA) +
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
236 " / " + free.referencePoint + ": " +
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
237 qF + " -> " + functions[i].value(qF));
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
238 }
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
239 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
240 } // build transforms
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
241 } // "ungleichwertiges" interval
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
242 } // find matching interval
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
243
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
244 for (int i = 0; i < qPositions.length; ++i) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
245 QPosition qPosition = qPositions[i];
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
246
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
247 if (qPosition == null) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
248 continue;
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
249 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
250
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
251 if (table.interpolate(pos, out, qPosition, functions[i])) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
252 results[i].add(out[0], out[1], pos);
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
253 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
254 else {
2166
2898b1ff6013 I18N for WINFO calculation result messages.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 742
diff changeset
255 addProblem(pos, "cannot.interpolate.w.q");
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
256 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
257 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
258 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
259
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
260 // Backjump correction
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
261 for (int i = 0; i < results.length; ++i) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
262 BackJumpCorrector bjc = new BackJumpCorrector();
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
263
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
264 double [] ws = results[i].getWs();
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
265 double [] kms = results[i].getKms();
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
266
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
267 if (bjc.doCorrection(kms, ws, this)) {
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
268 results[i] = new WQCKms(results[i], bjc.getCorrected());
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
269 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
270 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
271
4967
2954eed04288 Calculation4: Doc and TODO/issue.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 4839
diff changeset
272 // Name the curves.
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
273 for (int i = 0; i < results.length; ++i) {
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
274 results[i].setName(createName(i));
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
275 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
276
4798
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
277 // Generate the "Umhuellende".
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
278 ConstantWQKms [] infoldings =
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
279 generateInfolding(table, results, from, to, step);
4821
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
280
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
281 // TODO: Use qkms in a new result type.
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
282 WQKms [] newResults = new WQKms[results.length + infoldings.length];
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
283 System.arraycopy(
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
284 results, 0, newResults, 0, results.length);
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
285 System.arraycopy(
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
286 infoldings, 0, newResults, results.length, infoldings.length);
4798
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
287
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
288 return new CalculationResult(newResults, this);
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
289 }
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
290
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
291 protected ConstantWQKms [] generateInfolding(
4798
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
292 WstValueTable wst,
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
293 WQKms [] results,
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
294 double from,
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
295 double to,
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
296 double step
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
297 ) {
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
298 WstValueTable.Column [] columns = wst.getColumns();
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
299
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
300 InfoldingColumns ic = new InfoldingColumns(columns);
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
301 ic.markInfoldingColumns(results);
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
302
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
303 List<ConstantWQKms> infoldings = new ArrayList<ConstantWQKms>();
4798
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
304
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
305 boolean [] infoldingColumns = ic.getInfoldingColumns();
4821
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
306
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
307 double [] kms = null;
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
308 double [] ws = null;
4821
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
309
4798
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
310 for (int i = 0; i < infoldingColumns.length; ++i) {
4799
e3532c7850b9 Trivial typo in selecting infolding columns.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4798
diff changeset
311 if (!infoldingColumns[i]) {
4798
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
312 continue;
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
313 }
4821
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
314
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
315 if (kms == null) {
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
316 kms = DoubleUtil.explode(from, to, step);
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
317 ws = new double[kms.length];
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
318 }
4821
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
319
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
320 QRangeTree.QuickQFinder qf =
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
321 columns[i].getQRangeTree().new QuickQFinder();
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
322
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
323 int numProblemsBefore = numProblems();
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
324 double [] qs = qf.findQs(kms, this);
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
325
5138
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
326 String name = columns[i].getName();
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
327 ConstantWQKms infolding = new ConstantWQKms(kms, qs, ws, name);
4821
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
328
bcf25d8c183e Moved NaN removal code from W to DoubleUtil. Create QKms when calculating the 'Umhuellende'.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4812
diff changeset
329 if (numProblems() > numProblemsBefore) {
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
330 infolding.removeNaNs();
4798
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
331 }
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
332
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
333 infoldings.add(infolding);
4798
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
334 }
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
335
5138
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
336 for (int i = 0; i < infoldings.size(); i++) {
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
337 String name = infoldings.get(i).getName();
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
338 // TODO: i18n
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
339 if (i == 0) {
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
340 infoldings.get(i).setName("untere Umh\u00fcllende " + name);
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
341 }
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
342 else if (i == infoldings.size() - 1) {
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
343 infoldings.get(i).setName("obere Umh\u00fcllende " + name);
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
344 }
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
345 else {
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
346 infoldings.get(i).setName("geschnitten " + name);
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
347 }
fc0cdcae8f07 New facet types and renaming for infoldings.
Raimund Renkert <rrenkert@intevation.de>
parents: 4967
diff changeset
348 }
4835
8e72777c961c Introduced a fake ConstantWQKms class to have type information to only generate w facets for curves which really carry w data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 4821
diff changeset
349 return infoldings.toArray(new ConstantWQKms[infoldings.size()]);
4798
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
350 }
39885bdfc6fc Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse".
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3450
diff changeset
351
4967
2954eed04288 Calculation4: Doc and TODO/issue.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 4839
diff changeset
352 // TODO: issue1109/2, merge with FixRealizingCalculation
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
353 protected String createName(int index) {
3450
22790758b132 FixA/Vollmer: return the result now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3441
diff changeset
354 // TODO: i18n
655
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
355 StringBuilder sb = new StringBuilder(isQ ? "Q" : "W");
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
356 sb.append(" benutzerdefiniert (");
913b52064449 Refactored version of "Berechnung 4"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
357 for (int i = 0, N = segments.size(); i < N; ++i) {
913b52064449 Refactored version of "Berechnung 4"
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358 if (i > 0) {
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359 sb.append("; ");
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360 }
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361 Segment segment = segments.get(i);
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362 sb.append((segment.backup != null
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363 ? segment.backup
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364 : segment.values)[index]);
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365 }
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366 sb.append(')');
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367 return sb.toString();
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368 }
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369 }
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370 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org