Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/math/Interpolation3D.java @ 836:05bf8534a35a

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Using unix line endings only. gnv-artifacts/trunk@938 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 18 Apr 2010 09:17:25 +0000
parents 2e951160c43d
children 43f3c0cd60f2
rev   line source
434
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1 package de.intevation.gnv.math;
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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.Envelope;
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5
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6 import com.vividsolutions.jts.index.strtree.STRtree;
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7
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8 import java.awt.Dimension;
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9
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10 import java.io.Serializable;
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11
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12 import java.util.Arrays;
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13 import java.util.List;
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14
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15 import org.apache.log4j.Logger;
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16
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17 /**
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18 * Interpolates parameter values along a given line string from surface
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19 * to the sea ground to generate "Profilschnitte".
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20 *
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c4156275c1e1 Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
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21 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
445
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22 */
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23 public class Interpolation3D
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24 implements Serializable
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25 {
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26 private static Logger log = Logger.getLogger(Interpolation3D.class);
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27
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28 /**
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29 * The default width of the interpolation: {@value}
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30 */
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31 public static final int DEFAULT_WIDTH = 1024;
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32
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33 /**
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34 * The default height of the interpolation: {@value}
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35 */
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36 public static final int DEFAULT_HEIGHT = 768;
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37
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38 /**
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39 * Epsilon for numerical stability.
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40 */
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41 public static final double EPS = 1e-6d;
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42
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43 /**
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44 * The width of the interpolation.
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45 */
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46 protected int width;
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47
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48 /**
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49 * The height of the interpolation.
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50 */
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51 protected int height;
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52
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53 /**
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54 * The cell width of the interpolation in world units.
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55 */
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56 protected double cellWidth;
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57
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58 /**
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59 * The cell height of the interpolation in world units.
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60 */
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61 protected double cellHeight;
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62
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63 /**
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64 * The generated raster.
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65 */
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66 protected double [] raster;
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67
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68 /**
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69 * The sea ground depth along the line string.
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70 */
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71 protected double [] depths;
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72
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73 /**
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74 * Default constructor.
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75 */
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76 public Interpolation3D() {
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77 this(DEFAULT_WIDTH, DEFAULT_HEIGHT);
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78 }
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79
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80 /**
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81 * Constructor to create a Interpolation3D with a given size.
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82 * @param size The size of the interpolation.
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83 */
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84 public Interpolation3D(Dimension size) {
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85 this(size.width, size.height);
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86 }
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87
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88 /**
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89 * Constructor to create a Interpolation3D with a given size.
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90 * @param width The width of the interpolation.
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91 * @param height the height of the interpolation.
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92 */
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93 public Interpolation3D(int width, int height) {
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94 this.width = width;
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95 this.height = height;
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96 }
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97
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98 /**
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99 * Returns the raster height of the interpolation.
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100 * @return The raster height of the interpolation.
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101 */
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102 public int getHeight() {
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103 return height;
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104 }
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105
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106 /**
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107 * Returns the raster width of the interpolation.
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108 * @return The raster width of the interpolation.
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109 */
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110 public int getWidth() {
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111 return width;
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112 }
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113
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114 /**
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115 * Returns the cell width of the interpolation in world units.
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116 * @return The cell width of the interpolation in world units.
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117 */
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118 public double getCellWidth() {
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119 return cellWidth;
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120 }
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121
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122 /**
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123 * Returns the cell height of the interpolation in world units.
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parents: 798
diff changeset
124 * @return The cell height of the interpolation in world units.
2e951160c43d Finished the javadoc of the math package.
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parents: 798
diff changeset
125 */
521
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
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parents: 519
diff changeset
126 public double getCellHeight() {
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parents: 519
diff changeset
127 return cellHeight;
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
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parents: 519
diff changeset
128 }
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
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parents: 519
diff changeset
129
808
2e951160c43d Finished the javadoc of the math package.
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parents: 798
diff changeset
130 /**
2e951160c43d Finished the javadoc of the math package.
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parents: 798
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131 * Returns the generated raster.
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132 * @return The generated raster.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
133 */
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
134 public double [] getRaster() {
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parents:
diff changeset
135 return raster;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
136 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
137
808
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
138 /**
2e951160c43d Finished the javadoc of the math package.
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parents: 798
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139 * Returns the depths along the line string path.
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parents: 798
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140 * @return The depth along the line string path.
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
141 */
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142 public double [] getDepths() {
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parents:
diff changeset
143 return depths;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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145
808
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
146 /**
2e951160c43d Finished the javadoc of the math package.
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parents: 798
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147 * Returns the deepest depth along the line string path.
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parents: 798
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148 * @return The deepest depth along the line string path.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
149 */
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
150 public double getMaxDepth() {
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
151 double maxDepth = Double.MAX_VALUE;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
152 for (int i = depths!=null?depths.length-1:0; i >= 0; --i) {
446
f5a041000357 Connected vertical cross section with chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 445
diff changeset
153 double d = depths[i];
f5a041000357 Connected vertical cross section with chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 445
diff changeset
154 if (!Double.isNaN(d) && d < maxDepth) {
f5a041000357 Connected vertical cross section with chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 445
diff changeset
155 maxDepth = d;
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
156 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
157 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
158 return maxDepth;
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
159 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
160
808
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
161 /**
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
162 * Interpolates parameters along a given line string path from the surface
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
163 * to the sea ground.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
164 * @param path The line string path.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
165 * @param points The sample points.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
166 * @param from Start point in scalar terms of the line string.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
167 * @param to End point in scalar terms of the line string.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
168 * @param metrics The used metric.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
169 * @param xyDepth The callback to query the depth at a given point.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
170 * @return true if the interpolation succeeds, else false.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
171 */
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
172 public boolean interpolate(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
173 List<? extends Coordinate> path,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
174 List<? extends XYColumn> points,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
175 double from,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
176 double to,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
177 Metrics metrics,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
178 XYDepth xyDepth
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
179 ) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
180 boolean debug = log.isDebugEnabled();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
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181
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
182 int N = path.size();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
183 int M = points.size();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
184
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
185 if (debug) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
186 log.debug("Size of path: " + N);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
187 log.debug("Size of points: " + M);
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
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
190 if (M < 1 || N < 2) { // nothing to do
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191 return false;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
192 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
193
518
464e03bf786b Try to cull points from set of input points when generating "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 515
diff changeset
194 List<GridCell> cells = GridCell.pointsToGridCells(
528
44415ae01ddb Fixed issue gnv/issue159
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 521
diff changeset
195 points, Interpolation2D.relevantArea(path, points));
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
196
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
197 if (cells.isEmpty()) {
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
198 log.warn("no cells found");
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
199 return false;
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
200 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
201
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
202 // put into spatial index to speed up finding neighbors.
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
203 STRtree spatialIndex = new STRtree();
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
204
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
205 for (GridCell cell: cells) {
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
206 spatialIndex.insert(cell.getEnvelope(), cell);
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
207 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
209 LinearToMap linearToMap = new LinearToMap(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
210 path, from, to, metrics);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
212 double [] depths = new double[width];
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
213 Arrays.fill(depths, Double.NaN);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
214
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215 double cellWidth = (to - from)/width;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
216
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217 double maxDepth = Double.MAX_VALUE;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
218
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
219 int i = 0;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
220 Coordinate center = new Coordinate();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
221 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
222 if (linearToMap.locate(p, center)) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
223 double depth = xyDepth.depth(center);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
224 depths[i] = depth;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
225 if (depth < maxDepth) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
226 maxDepth = depth;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
227 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
228 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
229 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
230
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
231 if (maxDepth == Double.MAX_VALUE) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
232 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
233 return false;
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
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
236 double cellHeight = Math.abs(maxDepth)/height;
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 if (debug) {
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
239 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
240 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
241 }
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 double [] raster = new double[width*height];
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
244 Arrays.fill(raster, Double.NaN);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
245
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
246 Envelope queryBuffer = new Envelope();
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
247 GridCell.CellFinder finder = new GridCell.CellFinder();
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
248
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
249 i = 0;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
250 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
251 double depth = depths[i];
521
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
252 if (Double.isNaN(depth) || depth >= 0d) {
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
253 continue;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
254 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
255 linearToMap.locate(p, center);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
256
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
257 queryBuffer.init(
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 528
diff changeset
258 center.x - EPS, center.x + EPS,
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
259 center.y - EPS, center.y + EPS);
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
260
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
261 finder.prepare(center);
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
262 spatialIndex.query(queryBuffer, finder);
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
263
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
264 GridCell found = finder.found;
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
265
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
266 if (found == null) {
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
267 continue;
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
268 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
269
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
270 XYColumn n0 = (XYColumn)found.p1;
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
271 XYColumn n1 = (XYColumn)found.p2;
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
272 XYColumn n2 = (XYColumn)found.p3;
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
273 XYColumn n3 = (XYColumn)found.p4;
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
274
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
275 if (n0.prepare(xyDepth)
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
276 && n1.prepare(xyDepth)
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
277 && n2.prepare(xyDepth)
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
278 && n3.prepare(xyDepth)
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
279 ) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
280 double y1 = Interpolation2D.interpolate(
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
281 n0.x, n0.y,
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
282 n1.x, n1.y,
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
283 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
284 double y2 = Interpolation2D.interpolate(
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
285 n2.x, n2.y,
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
286 n3.x, n3.y,
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
287 center.x);
521
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
288 double z = -cellHeight*0.5;
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
289 for (int j = i;
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
290 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
291 z -= cellHeight, j += width) {
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
292
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
293 double v0 = n0.value(z);
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
294 double v1 = n1.value(z);
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
295 double v2 = n2.value(z);
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
296 double v3 = n3.value(z);
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
297
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
298 double z1 = Interpolation2D.interpolate(
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
299 n0.x, v0,
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
300 n1.x, v1,
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
301 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
302 double z2 = Interpolation2D.interpolate(
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
303 n2.x, v2,
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
304 n3.x, v3,
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
305 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
306 double value = Interpolation2D.interpolate(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
307 y1, z1,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
308 y2, z2,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
309 center.y);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
310 raster[j] = value;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
311 }
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 528
diff changeset
312 // XXX: Adjusted depth to create no gap
521
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
313 // between last value and ground.
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 528
diff changeset
314 depths[i] = z+0.5d*cellHeight;
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
315 } // down the x/y column
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
316 } // all along the track
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
317
521
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
318 this.depths = depths;
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
319 this.raster = raster;
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
320 this.cellWidth = cellWidth;
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
321 this.cellHeight = cellHeight;
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
322
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
323 return true;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
324 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
325 }
798
6cff63d0c434 Fixed vim modeline. Added some Javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
326 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org