Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/utils/WKTUtils.java @ 420:c6a287398379

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Outsourcing of some methods for preparing results for chart creation. gnv-artifacts/trunk@468 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 21 Dec 2009 15:57:04 +0000
parents
children 2402173a1490
rev   line source
420
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
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1 package de.intevation.gnv.utils;
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2
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3 import com.vividsolutions.jts.geom.Coordinate;
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4 import com.vividsolutions.jts.geom.Point;
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5 import com.vividsolutions.jts.geom.LineString;
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6 import com.vividsolutions.jts.io.ParseException;
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7 import com.vividsolutions.jts.io.WKTReader;
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8
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9 import de.intevation.gnv.geobackend.base.DefaultResult;
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10 import de.intevation.gnv.geobackend.base.DefaultResultDescriptor;
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11 import de.intevation.gnv.geobackend.base.Result;
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12 import de.intevation.gnv.geobackend.base.ResultDescriptor;
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13 import de.intevation.gnv.geobackend.base.query.QueryExecutor;
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14 import de.intevation.gnv.geobackend.base.query.QueryExecutorFactory;
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15 import de.intevation.gnv.geobackend.base.query.exception.QueryException;
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16 import de.intevation.gnv.math.Interpolation2D;
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17 import de.intevation.gnv.math.LinearFunction;
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18 import de.intevation.gnv.math.LinearMetrics;
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19 import de.intevation.gnv.math.Point2d;
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20 import de.intevation.gnv.state.InputData;
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21
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22 import java.util.Arrays;
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23 import java.util.ArrayList;
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24 import java.util.Collection;
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25 import java.util.List;
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26 import java.util.Map;
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27
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28 import org.apache.commons.math.optimization.OptimizationException;
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29 import org.apache.commons.math.optimization.fitting.CurveFitter;
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30 import org.apache.commons.math.optimization.general.GaussNewtonOptimizer;
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31 import org.apache.commons.math.FunctionEvaluationException;
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32
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33 import org.apache.log4j.Logger;
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34
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35 public abstract class WKTUtils {
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36
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37 private static Logger log = Logger.getLogger(WKTUtils.class);
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38
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39 private static final String [] DIFF_COLUMS = {
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40 "GROUP1",
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41 "GROUP2",
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42 "GROUP3"
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43 };
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44
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45 private static final String [] COLUMN_BLACKLIST = {
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46 "MEDIAN.MESHPOINT.JPOSITION",
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47 "MEDIAN.MESHPOINT.IPOSITION"
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48 };
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49
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50 public static final double NAUTICAL_MILE = 1852.216d;
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51 public static final double KILOMETER = 1000d;
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52
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53 public static final double EPSILON = 1e-5d;
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54 public static final int INTERPOLATION_STEPS =
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55 Integer.getInteger("interpolation.steps", 500).intValue();
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56
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57
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58 public static final class SectionHandler
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59 implements Interpolation2D.Consumer
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60 {
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61 private ArrayList<Point2d> points;
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62 private List<Coordinate> path;
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63 private Collection<Result> output;
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64 private Result prototyp;
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65 private ResultDescriptor descriptor;
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66 private boolean lastWasSuccess;
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67
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68 public SectionHandler() {
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69 }
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70
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71 public SectionHandler(
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72 List<Coordinate> path,
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73 Collection<Result> output,
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74 ResultDescriptor descriptor
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75 ) {
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76 this.path = path;
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77 this.output = output;
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78 this.descriptor = descriptor;
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79 points = new ArrayList<Point2d>();
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80 lastWasSuccess = true;
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81 }
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82
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83 public void finish() {
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84 if (!points.isEmpty()) {
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85 double distance = toKM(
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86 DistanceCalculator.calculateDistance(path));
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87
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88 if (distance > EPSILON) {
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89
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90 Interpolation2D.interpolate(
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91 path,
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92 points,
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93 0d,
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94 distance,
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95 INTERPOLATION_STEPS,
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96 LinearMetrics.INSTANCE,
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97 this);
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98 }
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99
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100 points.clear();
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101 }
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102 lastWasSuccess = true;
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103 }
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104
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105 public void setPrototyp(Result prototyp) {
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106 this.prototyp = prototyp;
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107 }
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108
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109 public void handle(Result result) {
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110 Coordinate coordinate =
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111 toCoordinate(result.getString("SHAPE"));
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112 double value = result.getDouble("YORDINATE");
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113 int iPos = result.getInteger("MEDIAN.MESHPOINT.JPOSITION");
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114 int jPos = result.getInteger("MEDIAN.MESHPOINT.JPOSITION");
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115 Point2d p = new Point2d(
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116 coordinate.x,
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117 coordinate.y,
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118 value,
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119 iPos, jPos);
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120 points.add(p);
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121 }
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122
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123 public void interpolated(Coordinate coordinate, boolean success) {
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124 DefaultResult result = new DefaultResult(descriptor);
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125 ResultDescriptor pd = prototyp.getResultDescriptor();
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126
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127 int pcolums = pd.getColumnCount();
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128 for (int i = 0, j = 0; i < pcolums; ++i) {
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129 String colname = pd.getColumnName(i);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
130 if (blacklisted(colname)) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
131 continue;
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
132 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
133 if (colname.equals("SHAPE")) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
134 result.addColumnValue(j, OutputUtils.toWKT(coordinate));
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
135 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
136 else if (colname.equals("YORDINATE")) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
137 if (success) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
138 result.addColumnValue(j, Double.valueOf(coordinate.z));
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
139 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
140 else if (lastWasSuccess) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
141 // only insert null if last was valid.
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
142 // This prevents flooding the result set with nulls
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
143 // if interpolating over a large gap.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
144 result.addColumnValue(j, null);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
145 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
146 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
147 else {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
148 result.addColumnValue(j, prototyp.getObject(i));
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
149 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
150 ++j;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
151 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
152 output.add(result);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
153 lastWasSuccess = success;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
154 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
155 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
156
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
157
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
158 private static final boolean blacklisted(String column) {
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parents:
diff changeset
159 for (int i = 0; i < COLUMN_BLACKLIST.length; ++i) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
160 if (COLUMN_BLACKLIST.equals(column)) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
161 return true;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
162 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
163 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
164 return false;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
165 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
166
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
167 private static boolean different(Result a, Result b, int [] indices) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
168 for (int i = 0; i < indices.length; ++i) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
169 String oa = a.getString(indices[i]);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
170 String ob = b.getString(indices[i]);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
171
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
172 if (oa == null && ob == null) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
173 continue;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
174 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
175
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
176 if (oa == null || ob == null) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
177 return true;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
178 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
179
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
180 if (!oa.equals(ob)) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
181 if (log.isDebugEnabled()) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
182 log.debug("+++++++++++++++ differs ++++++++++++++");
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
183 log.debug(" " + oa + " != " + ob);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
184 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
185 return true;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
186 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
187 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
188 return false;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
189 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
190
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
191 public static Collection<Result> process(
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
192 List<Coordinate> path,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
193 Collection<Result> input
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
194 ) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
195 log.debug("------ number of points before processing: " + input.size());
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
196 ArrayList<Result> output = new ArrayList<Result>();
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
197
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
198 Result last = null;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
199
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
200 int [] diffColums = null;
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
201
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
202 SectionHandler sectionHandler = null;
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
203
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
204 for (Result result: input) {
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
205
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
206 if (sectionHandler == null) {
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
207
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
208 ResultDescriptor rd = result.getResultDescriptor();
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
209 diffColums = rd.getColumnIndices(DIFF_COLUMS);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
210 int columns = rd.getColumnCount();
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
211
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
212 DefaultResultDescriptor resultDescriptor =
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
213 new DefaultResultDescriptor();
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
214
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
215 for (int j = 0; j < columns; ++j) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
216 String columnName = rd.getColumnName(j);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
217 if (!blacklisted(columnName)) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
218 resultDescriptor.addColumn(
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
219 columnName,
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
220 rd.getColumnClassName(j));
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
221 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
222 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
223
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
224 sectionHandler = new SectionHandler(
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
225 path,
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
226 output,
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
227 resultDescriptor);
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
228
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
229 sectionHandler.setPrototyp(result);
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
230 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
231
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
232 if (last != null && different(last, result, diffColums)) {
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
233 sectionHandler.finish();
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
234 sectionHandler.setPrototyp(result);
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
235 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
236
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
237 sectionHandler.handle(result);
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
238
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
239 last = result;
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
240 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
241
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
242 if (sectionHandler != null) {
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
243 sectionHandler.finish();
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
244 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
245
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
246 log.debug("------ number of points after processing: " + output.size());
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
247
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
248 return output;
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
249 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
250
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
251
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
252 public static Coordinate toCoordinate(String shape) {
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
253 try {
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
254 return ((Point)(new WKTReader().read(shape))).getCoordinate();
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
255 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
256 catch (ParseException pe) {
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
257 log.error(pe);
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
258 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
259 return null;
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
260 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
261
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
262
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
263 public static final double toKM(double distance) {
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
264 return (distance * NAUTICAL_MILE) / KILOMETER;
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
265 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
266
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267
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268 public static String toWKT(Coordinate coordinate) {
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269 StringBuilder sb = new StringBuilder("POINT(");
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270 sb.append(coordinate.x)
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271 .append(' ')
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272 .append(coordinate.y)
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273 .append(')');
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274 return sb.toString();
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275 }
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276
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277
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278 public static Collection<Result> worldCoordinatesToIndex(
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279 Collection<Result> result,
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280 Map<String, InputData> inputData,
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281 String ijkQueryID,
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diff changeset
282 String queryID,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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283 String[] filterValues
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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284 ) throws ParseException, QueryException
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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285 {
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286 // 1. IJK Anfragen für Stuetzpunkte im Netz ausführen.
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287 LineString ls = (LineString)new WKTReader().read(
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288 inputData.get("mesh_linestring").getValue());
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289
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290 Coordinate[] coords = ls.getCoordinates();
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291
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292 List<java.awt.Point> points = new ArrayList<java.awt.Point>(coords.length);
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293
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294 String meshid = inputData.get("meshid").getValue();
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295 QueryExecutor queryExecutor = QueryExecutorFactory
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296 .getInstance()
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297 .getQueryExecutor();
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298
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299 ArrayList missingPoints = new ArrayList();
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300
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301 String additionWhere = "FEATUREID=FEATUREID";
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302
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303 for (int i = 0; i < coords.length; i++) {
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304
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305 String wkt = toWKT(coords[i]);
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306
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307 result = queryExecutor.executeQuery(ijkQueryID,
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308 new String[]{meshid,wkt});
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309 if (!result.isEmpty()){
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310 Result resultValue = result.iterator().next();
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311 int iPos = resultValue.getInteger(1);
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312 int jPos = resultValue.getInteger(0);
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313 log.debug("Found Pos "+iPos+"/"+jPos +" for "+wkt);
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314 points.add(i, new java.awt.Point(iPos,jPos));
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315 }else{
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316 log.debug("No i/j Pos found for "+wkt);
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317 missingPoints.add(new Object [] { Integer.valueOf(i), coords[i] });
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318 points.add(i, null);
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319 // Special Case no i,j found for Coordinate
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320 }
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321 }
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322
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323 if (missingPoints.size() == coords.length) {
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324 log.debug("cannot create index buffer");
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325 }
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326 else { // generate index filter
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327 boolean remainsMissingPoints = !missingPoints.isEmpty();
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328
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329 if (remainsMissingPoints) {
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330 // try to guess the missing (i, j)
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331 CurveFitter iFitter = new CurveFitter(new GaussNewtonOptimizer(true));
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332 CurveFitter jFitter = new CurveFitter(new GaussNewtonOptimizer(true));
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333
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334 for (int i = 0, N = points.size(); i < N; ++i) {
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335 java.awt.Point p = (java.awt.Point)points.get(i);
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diff changeset
336 if (p != null) {
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337 Coordinate coord = coords[i];
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338 iFitter.addObservedPoint(coord.x, p.x);
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339 jFitter.addObservedPoint(coord.y, p.y);
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340 }
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341 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
342 try {
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parents:
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343 // XXX: Assumption: (i, j) are created by componentwise linear function.
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344 // This is surely not correct because (x, y) are in a ellipsoid projection.
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parents:
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345 // TODO: use ellipsoid functions and fit with Levenberg Marquardt.
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diff changeset
346 double [] iParams = iFitter.fit(
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diff changeset
347 LinearFunction.INSTANCE, new double [] { 1d, 1d });
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diff changeset
348
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349 double [] jParams = jFitter.fit(
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diff changeset
350 LinearFunction.INSTANCE, new double [] { 1d, 1d });
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diff changeset
351
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diff changeset
352 for (int i = missingPoints.size()-1; i >= 0; --i) {
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diff changeset
353 Object [] a = (Object [])missingPoints.get(i);
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parents:
diff changeset
354 Coordinate coord = (Coordinate)a[1];
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parents:
diff changeset
355 int pi = (int)Math.round(iParams[0]*coord.x + iParams[1]);
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parents:
diff changeset
356 int pj = (int)Math.round(jParams[0]*coord.y + jParams[1]);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
357 points.set(
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diff changeset
358 ((Integer)a[0]).intValue(),
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parents:
diff changeset
359 new java.awt.Point(pi, pj));
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360 }
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parents:
diff changeset
361
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diff changeset
362 remainsMissingPoints = false; // we filled the gaps
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parents:
diff changeset
363 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
364 catch (FunctionEvaluationException fee) {
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parents:
diff changeset
365 log.error(fee);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
366 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
367 catch (OptimizationException oe) {
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parents:
diff changeset
368 log.error(oe);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
369 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
370 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
371
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
372 if (!remainsMissingPoints) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
373 // TODO: Make Tablenames and Columns Configurable
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
374 IndexBuffer ib = new IndexBuffer(
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
375 points,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
376 "MEDIAN.MESHPOINT.IPOSITION",
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parents:
diff changeset
377 "MEDIAN.MESHPOINT.JPOSITION" );
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
378 additionWhere = ib.toWhereClause();
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
379 log.debug("Additional Where Clause = "+additionWhere);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
380 // 2. Aus diesen Stuetzpunkten den Resultset generieren.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
381 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
382 } // if generate index filter
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
383
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
384 String[] addedFilterValues = new String[filterValues.length+1];
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
385 System.arraycopy(filterValues, 0, addedFilterValues, 0, filterValues.length);
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parents:
diff changeset
386 addedFilterValues[filterValues.length] = additionWhere;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
387
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
388 result = process(
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
389 Arrays.asList(coords),
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
390 queryExecutor.executeQuery(
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
391 queryID,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
392 addedFilterValues));
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
393
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
394 return result;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
395 }
c6a287398379 Outsourcing of some methods for preparing results for chart creation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
396 }
http://dive4elements.wald.intevation.org