Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/math/Interpolation3D.java @ 458:92d6cf448598

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Improved raster tile based height evaluation. gnv-artifacts/trunk@512 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 06 Jan 2010 10:09:51 +0000
parents 537e663d6c0c
children 234d9892e497
rev   line source
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.math;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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2
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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3 import java.util.List;
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4 import java.util.Arrays;
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5 import java.util.Collections;
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6
445
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diff changeset
7 import java.io.Serializable;
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8
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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9 import java.awt.Dimension;
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10
434
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11 import com.vividsolutions.jts.geom.Coordinate;
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12 import com.vividsolutions.jts.geom.Envelope;
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13
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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14 import com.vividsolutions.jts.index.quadtree.Quadtree;
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15
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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16 import org.apache.log4j.Logger;
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17
445
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18 /**
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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19 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de)
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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20 */
434
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21 public class Interpolation3D
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22 implements Serializable
434
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23 {
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24 private static Logger log = Logger.getLogger(Interpolation3D.class);
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25
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26 public static final int DEFAULT_WIDTH = 1024;
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27 public static final int DEFAULT_HEIGHT = 768;
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28
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29 protected int width;
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30 protected int height;
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31
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32 protected double [] raster;
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33 protected double [] depths;
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34
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35 public Interpolation3D() {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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36 this(DEFAULT_WIDTH, DEFAULT_HEIGHT);
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37 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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38
445
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39 public Interpolation3D(Dimension size) {
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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40 this(size.width, size.height);
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41 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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42
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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43 public Interpolation3D(int width, int height) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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44 this.width = width;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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45 this.height = height;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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46 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
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47
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48 public int getHeight() {
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49 return height;
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50 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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51
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52 public int getWidth() {
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53 return width;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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54 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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55
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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56 public double [] getRaster() {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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57 return raster;
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58 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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59
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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60 public double [] getDepths() {
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61 return depths;
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62 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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63
445
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64 public double getMaxDepth() {
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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65 double maxDepth = Double.MAX_VALUE;
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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66 for (int i = depths!=null?depths.length-1:0; i >= 0; --i) {
446
f5a041000357 Connected vertical cross section with chart generation.
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67 double d = depths[i];
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68 if (!Double.isNaN(d) && d < maxDepth) {
f5a041000357 Connected vertical cross section with chart generation.
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69 maxDepth = d;
445
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70 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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71 }
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72 return maxDepth;
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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73 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
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74
434
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75 public boolean interpolate(
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76 List<? extends Coordinate> path,
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77 List<? extends XYColumn> points,
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78 double from,
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79 double to,
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80 Metrics metrics,
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81 XYDepth xyDepth
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82 ) {
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83 boolean debug = log.isDebugEnabled();
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84
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85 int N = path.size();
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86 int M = points.size();
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87
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88 if (debug) {
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89 log.debug("Size of path: " + N);
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90 log.debug("Size of points: " + M);
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91 }
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92
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93 if (M < 1 || N < 2) { // nothing to do
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94 return false;
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95 }
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96
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97 double [] buffer = Interpolation2D.calculateBuffer(points);
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98 double dxMax = buffer[0];
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99 double dyMax = buffer[1];
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100
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101 if (debug) {
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102 log.debug("buffer size: " + dxMax + " / " + dyMax);
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103 }
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104
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105 // put into spatial index to speed up finding neighbors.
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106 Quadtree spatialIndex = new Quadtree();
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107
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108 for (int i = 0; i < M; ++i) {
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109 Point2d p = points.get(i);
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110 spatialIndex.insert(p.envelope(), p);
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111 }
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112
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113 LinearToMap linearToMap = new LinearToMap(
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114 path, from, to, metrics);
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115
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116 double [] depths = new double[width];
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117 Arrays.fill(depths, Double.NaN);
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118
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119 double cellWidth = (to - from)/width;
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120
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121 double maxDepth = Double.MAX_VALUE;
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122
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123 int i = 0;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
124 Coordinate center = new Coordinate();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
125 for (double p = cellWidth*0.5; i < depths.length; ++i, p += cellWidth) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
126 if (linearToMap.locate(p, center)) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
127 double depth = xyDepth.depth(center);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
128 depths[i] = depth;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
129 if (depth < maxDepth) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
130 maxDepth = depth;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
131 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
132 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
133 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
134
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
135 if (maxDepth == Double.MAX_VALUE) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
136 log.warn("no depth found -> no interpolation");
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
137 return false;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
138 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
139
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
140 double cellHeight = Math.abs(maxDepth)/height;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
141
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142 if (debug) {
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
143 log.debug("max depth found: " + maxDepth);
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 log.debug("cell size: " + cellWidth + " x " + cellHeight);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
145 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
146
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
147 double [] raster = new double[width*height];
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
148 Arrays.fill(raster, Double.NaN);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
149
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
150 Envelope queryBuffer = new Envelope();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
151 XYColumn [] neighbors = new XYColumn[4];
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
152
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
153 i = 0;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
154 for (double p = cellWidth*0.5; i < depths.length; ++i, p += cellWidth) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
155 double depth = depths[i];
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
156 if (Double.isNaN(depth)) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 continue;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
158 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
159 linearToMap.locate(p, center);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
160
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
161 queryBuffer.init(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
162 center.x - dxMax, center.x + dxMax,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
163 center.y - dyMax, center.y + dyMax);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
164
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
165 List potential = spatialIndex.query(queryBuffer);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
166
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
167 L1Comparator invL1 = new L1Comparator(center);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
168 Collections.sort(potential, invL1);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
169
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
170 neighbors[0] = neighbors[1] =
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
171 neighbors[2] = neighbors[3] = null;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
172
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
173 /* bit code of neighbors
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
174 0---1
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
175 | x |
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
176 2---3
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
177 */
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
178
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
179 int mask = 0;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
180 // reversed order is essential here!
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
181 for (int j = potential.size()-1; j >= 0; --j) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
182 XYColumn n = (XYColumn)potential.get(j);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
183 int code = n.x > center.x ? 1 : 0;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
184 if (n.y > center.y) code |= 2;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
185 neighbors[code] = n;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
186 mask |= 1 << code;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
187 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
188
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
189 int numNeighbors = Integer.bitCount(mask);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
190
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191 // only interpolate if we have all four neighbors
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
192 // and we do not have any gaps.
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
193 if (numNeighbors == 4
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
194 && !neighbors[0].hasIGap(neighbors[1])
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
195 && !neighbors[1].hasJGap(neighbors[3])
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
196 && !neighbors[3].hasIGap(neighbors[2])
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
197 && !neighbors[2].hasJGap(neighbors[0])
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
198 && neighbors[0].prepare(xyDepth)
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
199 && neighbors[1].prepare(xyDepth)
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
200 && neighbors[2].prepare(xyDepth)
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
201 && neighbors[3].prepare(xyDepth)
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
202 ) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
203 double y1 = Interpolation2D.interpolate(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
204 neighbors[0].x, neighbors[0].y,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
205 neighbors[1].x, neighbors[1].y,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
206 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
207 double y2 = Interpolation2D.interpolate(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208 neighbors[2].x, neighbors[2].y,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
209 neighbors[3].x, neighbors[3].y,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
210 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211 int j = i;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
212 for (double z = -cellHeight*0.5;
453
537e663d6c0c vertical cross section: Fixed problem with running to max depth on every column in interpolation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 446
diff changeset
213 j < raster.length && z >= depth;
537e663d6c0c vertical cross section: Fixed problem with running to max depth on every column in interpolation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 446
diff changeset
214 z -= cellHeight, j += width) {
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
216 double v0 = neighbors[0].value(z);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217 double v1 = neighbors[1].value(z);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
218 double v2 = neighbors[2].value(z);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
219 double v3 = neighbors[3].value(z);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
220
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
221 double z1 = Interpolation2D.interpolate(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
222 neighbors[0].x, v0,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
223 neighbors[1].x, v1,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
224 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
225 double z2 = Interpolation2D.interpolate(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
226 neighbors[2].x, v2,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
227 neighbors[3].x, v3,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
228 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
229 double value = Interpolation2D.interpolate(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
230 y1, z1,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
231 y2, z2,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
232 center.y);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
233 raster[j] = value;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
234 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
235 } // down the x/y column
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
236 } // all along the track
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
237
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
238 this.depths = depths;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
239 this.raster = raster;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
240
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
241 return true;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
242 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
243 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
244 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org