annotate gnv-artifacts/src/main/java/de/intevation/gnv/math/GridCell.java @ 807:a645bd23c1c8

Added more javadoc. Removed trailing whitespace. gnv-artifacts/trunk@889 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 08 Apr 2010 15:24:45 +0000
parents d766fe2d917a
children 22c18083225e
rev   line source
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1 package de.intevation.gnv.math;
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2
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3 import com.vividsolutions.jts.algorithm.CGAlgorithms;
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4
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5 import com.vividsolutions.jts.geom.Coordinate;
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6 import com.vividsolutions.jts.geom.Envelope;
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7 import com.vividsolutions.jts.geom.Geometry;
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8 import com.vividsolutions.jts.geom.GeometryFactory;
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9 import com.vividsolutions.jts.geom.LinearRing;
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10 import com.vividsolutions.jts.geom.Point;
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11 import com.vividsolutions.jts.geom.Polygon;
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12
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13 import com.vividsolutions.jts.index.ItemVisitor;
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14
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15 import java.io.Serializable;
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16
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17 import java.util.ArrayList;
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18 import java.util.HashMap;
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19 import java.util.List;
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20
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21 import org.apache.log4j.Logger;
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22
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23 /**
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24 * Spans a rectangle of points to be used in spatial indexing.
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25 *
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26 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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27 */
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28 public class GridCell
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29 implements Serializable
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30 {
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31 private static Logger log = Logger.getLogger(GridCell.class);
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32
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33 /**
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34 * Callback for {@link com.vividsolutions.jts.index.SpatialIndex}
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35 * to find a GridCell which contains a given point.
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36 */
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37 public static final class CellFinder
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38 implements ItemVisitor
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39 {
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40 /**
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41 * Stores the found GridCell.
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42 */
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43 public GridCell found;
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44
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45 /**
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46 * The query point.
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47 */
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48 protected Point point;
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49
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50 /**
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51 * Default constructor.
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52 */
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53 public CellFinder() {
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54 }
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55
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56 /**
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57 * Prepares a spatial index lookup.
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58 * @param center The query point.
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59 */
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60 public void prepare(Coordinate center) {
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61 found = null;
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62 point = GEOMETRY_FACTORY.createPoint(center);
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63 }
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64
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65 /**
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66 * Called by the spatial index as a 2nd order filter.
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67 * @param item The GridCell to test.
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68 */
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69 public void visitItem(Object item) {
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70 if (found == null) {
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71 GridCell cell = (GridCell)item;
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72 if (cell.contains(point)) {
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73 found = cell;
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74 }
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75 }
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76 }
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77 } // class CellFinder
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78
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79 /**
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80 * The first point.
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81 */
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82 public Point2d p1;
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83 /**
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84 * The second point.
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85 */
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86 public Point2d p2;
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87 /**
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88 * The third point.
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89 */
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90 public Point2d p3;
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91 /**
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92 * The fourth point.
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93 */
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94 public Point2d p4;
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95
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96 /**
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97 * Polygon created from the four points.
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98 */
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99 protected Polygon polygon;
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100
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101 /**
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102 * Geometry factory to create the query points and the polygons.
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103 */
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104 public static final GeometryFactory GEOMETRY_FACTORY
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105 = new GeometryFactory();
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106
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107 /**
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108 * Default constructor.
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109 */
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110 public GridCell() {
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111 }
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112
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113 /**
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114 * Constructor to create a GridCell out of four given points..
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115 * @param p1 The first point.
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116 * @param p2 The second point.
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117 * @param p3 The thrid point.
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118 * @param p4 The fourth point.
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119 */
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120 public GridCell(Point2d p1, Point2d p2, Point2d p3, Point2d p4) {
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121 this.p1 = p1;
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122 this.p2 = p2;
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123 this.p3 = p3;
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124 this.p4 = p4;
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125 createPolygon();
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126 }
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127
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128 /**
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129 * Creates the polygon from the four points.
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130 */
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131 protected void createPolygon() {
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132 Coordinate [] coords = new Coordinate [] { p1, p2, p3, p4, p1 };
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133 if (!CGAlgorithms.isCCW(coords)) {
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134 for (int i = 0, j = coords.length-1; i < j; ++i, --j) {
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135 Coordinate c = coords[i];
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136 coords[i] = coords[j];
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137 coords[j] = c;
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138 }
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139 }
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140 LinearRing shell = GEOMETRY_FACTORY
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141 .createLinearRing(coords);
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142
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143 if (!shell.isValid()) {
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144 log.warn("linear ring is not valid");
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145 }
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146
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147 polygon = GEOMETRY_FACTORY.createPolygon(shell, null);
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148 }
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149
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150 /**
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151 * Returns the envelope of the four point polygon.
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152 * @return
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153 */
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154 public Envelope getEnvelope() {
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155 return polygon.getEnvelopeInternal();
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156 }
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157
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158 /**
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159 * Test if a given point is inside this grid cell.
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160 * @param coord
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161 * @return
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162 */
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163 public boolean contains(Geometry coord) {
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164 return polygon.contains(coord);
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165 }
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166
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167 /**
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168 * Converts a list of points to a list of grid cells.
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169 * @param points This list of points.
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170 * @return This list of grid cells.
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171 */
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172 public static List<GridCell> pointsToGridCells(
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173 List<? extends Point2d> points
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174 ) {
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175 return pointsToGridCells(points, null);
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176 }
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177
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178 /**
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179 * Converts a list of points to a list of grid cells.
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180 * Points that are not in a relevant area are ignored.
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181 * @param points The list of points.
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182 * @param relevantArea The relevant area.
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183 * @return The list of grid cells.
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184 */
517
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185 public static List<GridCell> pointsToGridCells(
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186 List<? extends Point2d> points,
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187 Envelope relevantArea
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188 ) {
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189 return pointsToGridCells(points, relevantArea, 0);
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190 }
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191
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192 private static final int NEIGHBORS [][] = {
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193 { -1, -1 }, // 0
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194 { -1, 0 }, // 1
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195 { -1, +1 }, // 2
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196 { 0, +1 }, // 3
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197 { +1, +1 }, // 4
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198 { +1, 0 }, // 5
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199 { +1, -1 }, // 6
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200 { 0, -1 } // 7
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201 };
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202
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203 /**
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204 * Generate points by extrapolating border points.
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205 * @param rows (i, j) indexed map of points.
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206 * @param minI min known i.
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207 * @param maxI max known i.
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208 * @param minJ min known j.
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209 * @param maxJ max known j.
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210 * @param rounds Deternine how many extra rings should be generated.
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211 * @param relevantArea The relevant area.
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212 * @return number of newly generated points.
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213 */
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214 public static int extrapolate(
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215 HashMap<Integer, HashMap<Integer, Point2d>> rows,
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216 int minI, int maxI,
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217 int minJ, int maxJ,
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218 int rounds,
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219 Envelope relevantArea
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220 ) {
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221 Point2d [] neighbors = new Point2d[NEIGHBORS.length];
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222 Point2d [] positions = new Point2d[NEIGHBORS.length];
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223
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224 int total = 0;
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225
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226 ArrayList<ArrayList<IJKey>> prio =
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227 new ArrayList<ArrayList<IJKey>>(NEIGHBORS.length);
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228
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229 for (int i = 0; i < NEIGHBORS.length; ++i) {
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230 prio.add(new ArrayList<IJKey>());
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231 }
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232
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233 while (rounds-- > 0) {
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234 for (int i = minI; i <= maxI; ++i) {
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235 for (int j = minJ; j <= maxJ; ++j) {
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236 Point2d p = get(rows, i, j);
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237 if (p != null) {
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238 continue;
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239 }
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240
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241 int count = 0;
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242
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243 for (int k = 0; k < neighbors.length; ++k) {
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244 neighbors[k] = positions[k] = null;
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245 int dij [] = NEIGHBORS[k];
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246 Point2d n1 = get(rows, i+ dij[0], j+ dij[1]);
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247 Point2d n2 = get(rows, i+2*dij[0], j+2*dij[1]);
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248 if (n1 != null && n2 != null) {
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249 ++count;
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250 }
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251 }
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diff changeset
252
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parents: 519
diff changeset
253 if (count > 0) {
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parents: 519
diff changeset
254 prio.get(count-1).add(new IJKey(i, j));
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
255 }
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
256 } // for all columns
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
257 } // for all rows
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parents: 519
diff changeset
258
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
259 int N = 0;
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diff changeset
260
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
261 for (int l = NEIGHBORS.length-1; l >= 0; --l) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
262 ArrayList<IJKey> list = prio.get(l);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
263 for (IJKey ij: list) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
264 int i = ij.i;
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
265 int j = ij.j;
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
266 for (int k = 0; k < neighbors.length; ++k) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
267 neighbors[k] = positions[k] = null;
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
268 int dij [] = NEIGHBORS[k];
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
269 Point2d n1 = get(rows, i+ dij[0], j+ dij[1]);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
270 Point2d n2 = get(rows, i+2*dij[0], j+2*dij[1]);
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parents: 519
diff changeset
271 if (n1 != null && n2 != null) {
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parents: 519
diff changeset
272 neighbors[k] = n1;
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parents: 519
diff changeset
273 positions[k] = n1.extrapolate(-1d, n2);
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parents: 519
diff changeset
274 }
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parents: 519
diff changeset
275 }
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parents: 519
diff changeset
276
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diff changeset
277 Point2d avg = Point2d.average(positions);
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diff changeset
278
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
279 if (avg != null && avg.near(positions)
801
d766fe2d917a More javadoc.
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diff changeset
280 && (relevantArea == null
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parents: 780
diff changeset
281 || relevantArea.contains(avg.x, avg.y))) {
593
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
282 avg.i = i;
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parents: 519
diff changeset
283 avg.j = j;
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parents: 519
diff changeset
284 avg.inverseDistanceWeighting(neighbors);
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parents: 519
diff changeset
285 put(rows, avg, i, j);
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parents: 519
diff changeset
286 }
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
287 }
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
288 N += list.size();
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
289 list.clear();
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parents: 519
diff changeset
290 }
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parents: 519
diff changeset
291
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
292 if (N == 0) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
293 break;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
294 }
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
295 total += N;
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
296 } // for all rounds
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
297
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
298 return total;
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parents: 519
diff changeset
299 }
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
300
807
a645bd23c1c8 Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 801
diff changeset
301 /**
a645bd23c1c8 Added more javadoc. Removed trailing whitespace.
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parents: 801
diff changeset
302 * Converts a list of points to a list of grid cells.
a645bd23c1c8 Added more javadoc. Removed trailing whitespace.
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parents: 801
diff changeset
303 * @param points The list of points.
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parents: 801
diff changeset
304 * @param relevantArea The relevant area. If a point is
a645bd23c1c8 Added more javadoc. Removed trailing whitespace.
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parents: 801
diff changeset
305 * not inside this area it is ignored during the build process.
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parents: 801
diff changeset
306 * @param extrapolationRounds Number of extra point rings.
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parents: 801
diff changeset
307 * 0 = no extrpolation.
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parents: 801
diff changeset
308 * @return The list of grid cells.
a645bd23c1c8 Added more javadoc. Removed trailing whitespace.
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parents: 801
diff changeset
309 */
593
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
310 public static List<GridCell> pointsToGridCells(
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parents: 519
diff changeset
311 List<? extends Point2d> points,
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parents: 519
diff changeset
312 Envelope relevantArea,
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
313 int extrapolationRounds
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
314 ) {
514
d9d933e06875 Fixed gnv/issue153
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parents:
diff changeset
315 int minI = Integer.MAX_VALUE;
d9d933e06875 Fixed gnv/issue153
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parents:
diff changeset
316 int maxI = Integer.MIN_VALUE;
d9d933e06875 Fixed gnv/issue153
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parents:
diff changeset
317 int minJ = Integer.MAX_VALUE;
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parents:
diff changeset
318 int maxJ = Integer.MIN_VALUE;
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
319
d9d933e06875 Fixed gnv/issue153
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parents:
diff changeset
320 HashMap<Integer, HashMap<Integer, Point2d>> rows =
d9d933e06875 Fixed gnv/issue153
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parents:
diff changeset
321 new HashMap<Integer, HashMap<Integer, Point2d>>();
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parents:
diff changeset
322
517
96a1e92e7ed2 If the number of data points to generate a "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 514
diff changeset
323 int culled = 0;
96a1e92e7ed2 If the number of data points to generate a "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 514
diff changeset
324
514
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
325 for (Point2d p: points) {
d9d933e06875 Fixed gnv/issue153
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parents:
diff changeset
326
517
96a1e92e7ed2 If the number of data points to generate a "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 514
diff changeset
327 if (relevantArea != null && !relevantArea.contains(p.x, p.y)) {
96a1e92e7ed2 If the number of data points to generate a "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 514
diff changeset
328 ++culled;
96a1e92e7ed2 If the number of data points to generate a "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 514
diff changeset
329 continue;
96a1e92e7ed2 If the number of data points to generate a "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 514
diff changeset
330 }
96a1e92e7ed2 If the number of data points to generate a "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 514
diff changeset
331
514
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
332 if (p.i < minI) minI = p.i;
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
333 if (p.i > maxI) maxI = p.i;
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
334 if (p.j < minJ) minJ = p.j;
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
335 if (p.j > maxJ) maxJ = p.j;
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
336
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
337 HashMap<Integer, Point2d> row = rows.get(p.i);
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
338
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
339 if (row == null) {
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
340 rows.put(p.i, row = new HashMap<Integer, Point2d>());
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
341 }
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
342
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
343 row.put(p.j, p);
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
344 }
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
345
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
346 ArrayList<GridCell> cells = new ArrayList<GridCell>(points.size());
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
347
593
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
348 int extrapolated = extrapolate(
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
349 rows,
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
350 minI, maxI,
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
351 minJ, maxJ,
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
352 extrapolationRounds,
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
353 relevantArea);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
354
514
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
355 for (int i = minI + 1; i <= maxI; ++i) {
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
356 HashMap<Integer, Point2d> row1 = rows.get(i-1);
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
357 HashMap<Integer, Point2d> row2 = rows.get(i);
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
358
593
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
359 if (row1 == null || row2 == null) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
360 continue;
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
361 }
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
362
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
363 for (int j = minJ + 1; j < maxJ; ++j) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
364 Point2d p1 = row1.get(j-1);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
365 Point2d p2 = row1.get(j);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
366 Point2d p3 = row2.get(j);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
367 Point2d p4 = row2.get(j-1);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
368
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
369 if (p1 != null && p2 != null && p3 != null && p4 != null) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
370 cells.add(new GridCell(p1, p2, p3, p4));
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
371 }
514
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
372 }
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
373 } // for all rows
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
374
519
4e347624ee7c Last part to fix gnv/issue153. Now 'Profilschnitte', 'Horizontalschnitte' and 'horizontale Schnittprofile'
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parents: 517
diff changeset
375 if (log.isDebugEnabled()) {
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diff changeset
376 log.debug("culled points: " + culled);
593
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377 log.debug("extrapolated points: " + extrapolated);
519
4e347624ee7c Last part to fix gnv/issue153. Now 'Profilschnitte', 'Horizontalschnitte' and 'horizontale Schnittprofile'
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parents: 517
diff changeset
378 log.debug("min/max i: " + minI + " / " + maxI);
4e347624ee7c Last part to fix gnv/issue153. Now 'Profilschnitte', 'Horizontalschnitte' and 'horizontale Schnittprofile'
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parents: 517
diff changeset
379 log.debug("min/max j: " + minJ + " / " + maxJ);
4e347624ee7c Last part to fix gnv/issue153. Now 'Profilschnitte', 'Horizontalschnitte' and 'horizontale Schnittprofile'
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parents: 517
diff changeset
380 log.debug("cells found: " + cells.size());
4e347624ee7c Last part to fix gnv/issue153. Now 'Profilschnitte', 'Horizontalschnitte' and 'horizontale Schnittprofile'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 517
diff changeset
381 }
4e347624ee7c Last part to fix gnv/issue153. Now 'Profilschnitte', 'Horizontalschnitte' and 'horizontale Schnittprofile'
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parents: 517
diff changeset
382
514
d9d933e06875 Fixed gnv/issue153
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parents:
diff changeset
383 return cells;
d9d933e06875 Fixed gnv/issue153
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parents:
diff changeset
384 }
593
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
385
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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diff changeset
386 private static Point2d get(
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
387 HashMap<Integer, HashMap<Integer, Point2d>> rows,
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
388 int i, int j
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
389 ) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
390 HashMap<Integer, Point2d> row = rows.get(i);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
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parents: 519
diff changeset
391 return row != null ? row.get(j) : null;
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
392 }
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
393
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
394 private static void put(
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
395 HashMap<Integer, HashMap<Integer, Point2d>> rows,
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
396 Point2d point,
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
397 int i, int j
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
398 ) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
399 Integer I = Integer.valueOf(i);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
400 HashMap<Integer, Point2d> row = rows.get(I);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
401 if (row == null) {
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
402 rows.put(I, row = new HashMap<Integer, Point2d>());
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
403 }
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
404 row.put(j, point);
b248531fa20b Added experimental support for extrapolation in "Horizontalschnitte"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
405 }
514
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
406 }
d9d933e06875 Fixed gnv/issue153
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
407 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

http://dive4elements.wald.intevation.org