Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/math/Interpolation3D.java @ 1080:01e26528bb39

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Some code refactoring for the implementation of histograms using vectorial parameters. gnv-artifacts/trunk@1182 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 09 Jun 2010 09:37:57 +0000
parents 43f3c0cd60f2
children f953c9a559d8
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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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 coordinates of the interpolation.
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65 */
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66 protected Coordinate[] coordinates;
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67
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68 /**
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69 * The generated raster.
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70 */
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71 protected double [] raster;
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72
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73 /**
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74 * The sea ground depth along the line string.
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75 */
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76 protected double [] depths;
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77
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78 /**
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79 * Default constructor.
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80 */
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81 public Interpolation3D() {
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82 this(DEFAULT_WIDTH, DEFAULT_HEIGHT);
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83 }
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84
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85 /**
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86 * Constructor to create a Interpolation3D with a given size.
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87 * @param size The size of the interpolation.
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88 */
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89 public Interpolation3D(Dimension size) {
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90 this(size.width, size.height);
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91 }
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92
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93 /**
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94 * Constructor to create a Interpolation3D with a given size.
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95 * @param width The width of the interpolation.
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96 * @param height the height of the interpolation.
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97 */
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98 public Interpolation3D(int width, int height) {
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99 this.width = width;
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100 this.height = height;
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101 }
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102
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103 /**
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104 * Returns the raster height of the interpolation.
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105 * @return The raster height of the interpolation.
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106 */
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107 public int getHeight() {
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108 return height;
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109 }
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110
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111 /**
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112 * Returns the raster width of the interpolation.
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113 * @return The raster width of the interpolation.
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114 */
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115 public int getWidth() {
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116 return width;
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117 }
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118
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119 /**
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120 * Returns the cell width of the interpolation in world units.
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121 * @return The cell width of the interpolation in world units.
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122 */
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123 public double getCellWidth() {
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124 return cellWidth;
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parents: 519
diff changeset
125 }
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parents: 519
diff changeset
126
808
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127 /**
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128 * Returns the cell height of the interpolation in world units.
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129 * @return The cell height of the interpolation in world units.
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parents: 798
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130 */
521
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diff changeset
131 public double getCellHeight() {
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diff changeset
132 return cellHeight;
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parents: 519
diff changeset
133 }
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diff changeset
134
808
2e951160c43d Finished the javadoc of the math package.
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parents: 798
diff changeset
135 /**
837
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136 * Returns the coordinates used for the interpolation.
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137 * @return the coordinates used for the interpolation.
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138 */
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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139 public Coordinate[] getCoordinates() {
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140 return coordinates;
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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141 }
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142
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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parents: 808
diff changeset
143 /**
808
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144 * Returns the generated raster.
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parents: 798
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145 * @return The generated raster.
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
146 */
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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147 public double [] getRaster() {
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parents:
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148 return raster;
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parents:
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149 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
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150
808
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parents: 798
diff changeset
151 /**
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152 * Returns the depths along the line string path.
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parents: 798
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153 * @return The depth along the line string path.
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
154 */
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
155 public double [] getDepths() {
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parents:
diff changeset
156 return depths;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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158
808
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
159 /**
2e951160c43d Finished the javadoc of the math package.
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parents: 798
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160 * Returns 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
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161 * @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
162 */
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
163 public double getMaxDepth() {
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
164 double maxDepth = Double.MAX_VALUE;
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
165 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
166 double d = depths[i];
f5a041000357 Connected vertical cross section with chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 445
diff changeset
167 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
168 maxDepth = d;
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
169 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
170 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
171 return maxDepth;
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
172 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
173
808
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
174 /**
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
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175 * 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
176 * to the sea ground.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
177 * @param path The line string path.
2e951160c43d Finished the javadoc of the math package.
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parents: 798
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178 * @param points The sample points.
2e951160c43d Finished the javadoc of the math package.
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parents: 798
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179 * @param from Start point in scalar terms of the line string.
2e951160c43d Finished the javadoc of the math package.
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parents: 798
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180 * @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
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181 * @param metrics The used metric.
2e951160c43d Finished the javadoc of the math package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
182 * @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
183 * @return true if the interpolation succeeds, else false.
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 798
diff changeset
184 */
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
185 public boolean interpolate(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
186 List<? extends Coordinate> path,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
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187 List<? extends XYColumn> points,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
188 double from,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
189 double to,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
190 Metrics metrics,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191 XYDepth xyDepth
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 boolean debug = log.isDebugEnabled();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
194
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
195 int N = path.size();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
196 int M = points.size();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
197
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
198 if (debug) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
199 log.debug("Size of path: " + N);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
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parents:
diff changeset
200 log.debug("Size of points: " + M);
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
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
203 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
204 return false;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
205 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
206
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
207 List<GridCell> cells = GridCell.pointsToGridCells(
528
44415ae01ddb Fixed issue gnv/issue159
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 521
diff changeset
208 points, Interpolation2D.relevantArea(path, points));
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
209
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
210 if (cells.isEmpty()) {
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
211 log.warn("no cells found");
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
212 return false;
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
213 }
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 // 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
216 STRtree spatialIndex = new STRtree();
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
218 for (GridCell cell: cells) {
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
219 spatialIndex.insert(cell.getEnvelope(), cell);
434
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
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
222 LinearToMap linearToMap = new LinearToMap(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
223 path, from, to, metrics);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
224
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
225 double [] depths = new double[width];
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
226 Arrays.fill(depths, Double.NaN);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
227
837
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 808
diff changeset
228 Coordinate[] coordinates = new Coordinate[width];
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 808
diff changeset
229
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
230 double cellWidth = (to - from)/width;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
231
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
232 double maxDepth = Double.MAX_VALUE;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
233
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
234 int i = 0;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
235 Coordinate center = new Coordinate();
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
236 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
237 if (linearToMap.locate(p, center)) {
837
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 808
diff changeset
238 coordinates[i] = (Coordinate) center.clone();
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
239 double depth = xyDepth.depth(center);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
240 depths[i] = depth;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
241 if (depth < maxDepth) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
242 maxDepth = depth;
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 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
245 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
246
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
247 if (maxDepth == Double.MAX_VALUE) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
248 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
249 return false;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
250 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
251
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
252 double cellHeight = Math.abs(maxDepth)/height;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
253
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
254 if (debug) {
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 434
diff changeset
255 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
256 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
257 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
258
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
259 double [] raster = new double[width*height];
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
260 Arrays.fill(raster, Double.NaN);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
261
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
262 Envelope queryBuffer = new Envelope();
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
263 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
264
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
265 i = 0;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
266 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
267 double depth = depths[i];
521
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
268 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
269 continue;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
270 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
271 linearToMap.locate(p, center);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
272
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
273 queryBuffer.init(
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 528
diff changeset
274 center.x - EPS, center.x + EPS,
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
275 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
276
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
277 finder.prepare(center);
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
278 spatialIndex.query(queryBuffer, finder);
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
279
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
280 GridCell found = finder.found;
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
281
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
282 if (found == null) {
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
283 continue;
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
284 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
285
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
286 XYColumn n0 = (XYColumn)found.p1;
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
287 XYColumn n1 = (XYColumn)found.p2;
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
288 XYColumn n2 = (XYColumn)found.p3;
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
289 XYColumn n3 = (XYColumn)found.p4;
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
290
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
291 if (n0.prepare(xyDepth)
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
292 && n1.prepare(xyDepth)
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
293 && n2.prepare(xyDepth)
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
294 && n3.prepare(xyDepth)
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
295 ) {
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
296 double y1 = Interpolation2D.interpolate(
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
297 n0.x, n0.y,
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
298 n1.x, n1.y,
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
299 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
300 double y2 = Interpolation2D.interpolate(
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
301 n2.x, n2.y,
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
302 n3.x, n3.y,
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
303 center.x);
521
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
304 double z = -cellHeight*0.5;
1bf058f1a2d1 Generate seabed polygon to "Profilschnitte".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 519
diff changeset
305 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
306 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
307 z -= cellHeight, j += width) {
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
308
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
309 double v0 = n0.value(z);
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
310 double v1 = n1.value(z);
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
311 double v2 = n2.value(z);
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
312 double v3 = n3.value(z);
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
313
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
314 double z1 = Interpolation2D.interpolate(
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
315 n0.x, v0,
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
316 n1.x, v1,
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
317 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
318 double z2 = Interpolation2D.interpolate(
515
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
319 n2.x, v2,
234d9892e497 Fixed "Profilschnitte" for gnv/issue153.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 453
diff changeset
320 n3.x, v3,
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
321 center.x);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
322 double value = Interpolation2D.interpolate(
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
323 y1, z1,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
324 y2, z2,
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
325 center.y);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
326 raster[j] = value;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
327 }
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 528
diff changeset
328 // 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
329 // between last value and ground.
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 528
diff changeset
330 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
331 } // down the x/y column
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
332 } // all along the track
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
333
837
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 808
diff changeset
334 this.coordinates = coordinates;
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 808
diff changeset
335 this.depths = depths;
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 808
diff changeset
336 this.raster = raster;
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 808
diff changeset
337 this.cellWidth = cellWidth;
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 808
diff changeset
338 this.cellHeight = cellHeight;
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
339
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
340 return true;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
341 }
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
342 }
798
6cff63d0c434 Fixed vim modeline. Added some Javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
343 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org