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annotate gnv-artifacts/src/main/java/de/intevation/gnv/exports/VerticalCrossODVExport.java @ 852:b5f4b6073cde

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Calculate the depth in an odv export of a 'Profilschnitt' properly (issue217). gnv-artifacts/trunk@968 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 22 Apr 2010 08:54:36 +0000
parents 39d06d01825a
children 27112636e8bb
rev   line source
837
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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parents:
diff changeset
1 package de.intevation.gnv.exports;
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2
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3 import com.vividsolutions.jts.geom.Coordinate;
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4
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5 import java.io.IOException;
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6 import java.io.OutputStream;
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7 import java.io.OutputStreamWriter;
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8 import java.io.UnsupportedEncodingException;
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9
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10 import java.text.DateFormat;
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11 import java.text.ParseException;
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12 import java.text.SimpleDateFormat;
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13
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14 import java.util.ArrayList;
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15 import java.util.Collection;
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16 import java.util.Date;
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17 import java.util.HashMap;
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18 import java.util.Iterator;
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19 import java.util.Map;
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20
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21 import org.apache.log4j.Logger;
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22
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23 import au.com.bytecode.opencsv.CSVWriter;
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24 import de.intevation.gnv.geobackend.base.Result;
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25 import de.intevation.gnv.math.Interpolation3D;
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26 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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27 import de.intevation.gnv.state.exception.StateException;
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28
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29
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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30 public class VerticalCrossODVExport implements Export {
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31
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32 /**
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33 * Constant field which defines the source format of a given datetime.
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34 */
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35 public static final String SRC_FORMAT = "yyyy.MM.dd HH:mm:ss";
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36
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37 /**
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38 * Constant field which defines the target format of a given datetime.
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39 */
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40 public static final String DEST_FORMAT = "yyyy-MM-dd HH:mm";
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41
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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42 /**
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43 * Source format.
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44 */
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45 public static DateFormat srcFormat = new SimpleDateFormat(SRC_FORMAT);
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46
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47 /**
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48 * Target format.
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49 */
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50 public static DateFormat destFormat = new SimpleDateFormat(DEST_FORMAT);
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51
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52 /**
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53 * Logger used for logging via log4j.
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54 */
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55 private static Logger logger =
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56 Logger.getLogger(VerticalCrossODVExport.class);
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57
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58 /**
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59 * The path in coordinates.
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60 */
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61 protected Coordinate[] coordinates;
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62
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63 /**
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64 *
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65 */
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66 protected double cellHeight;
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67
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68 /**
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69 *
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70 */
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71 protected double cellWidth;
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72
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73 /**
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74 * The raster array storing the values for a specific coordinate in a
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75 * specific depth.
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76 */
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77 protected double[] raster;
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78
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79 /**
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80 * The raster width.
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81 */
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82 protected int width;
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83
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84 /**
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85 * The raster height.
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86 */
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87 protected int height;
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88
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89 /**
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90 * The date of this export.
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91 */
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92 protected String time;
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93
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94 /**
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95 * The constructor used to create a new export helper object.
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96 */
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97 public VerticalCrossODVExport(
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98 Coordinate[] coordinates,
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99 double cellHeight,
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100 double cellWidth,
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101 double[] raster,
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102 String time,
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103 int width,
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104 int height)
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105 {
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106 this.coordinates = coordinates;
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107 this.cellHeight = cellHeight;
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108 this.cellWidth = cellWidth;
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109 this.raster = raster;
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110 this.width = width;
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111 this.height = height;
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112 this.time = time;
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113 }
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114
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115
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116 /**
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117 *
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118 * @param profile The Profile used to create column headers.
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119 * @param outputStream The stream where the odv data are written to.
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120 * @param result Not used here, might be null.
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121 */
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122 public void create(
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123 Profile profile,
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124 OutputStream outputStream,
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125 Collection result)
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126 throws
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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127 IOException,
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128 UnsupportedEncodingException,
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129 StateException
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130 {
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131 CSVWriter writer = new CSVWriter(
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132 new OutputStreamWriter(outputStream, profile.getEncoding()),
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133 profile.getSeparator(),
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134 profile.getQuoteCharacter(),
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135 profile.getEscapeCharacter());
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136
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137 writer.writeNext(profile.getHeader());
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138
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139 writeData(writer, time, coordinates, cellHeight, cellWidth, raster);
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140
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141 writer.close();
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142 }
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143
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144 protected void writeData(
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145 CSVWriter writer,
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146 String time,
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147 Coordinate[] coordinates,
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148 double cellHeight,
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149 double cellWidth,
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150 double[] raster)
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151 {
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152 if (logger.isDebugEnabled()) {
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153 logger.debug("+++++++ ODV Export information ++++++++++");
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154 logger.debug("+ raster width: " + width);
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155 logger.debug("+ raster height: " + height);
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156 logger.debug("+ cell height: " + cellHeight);
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157 logger.debug("+ cell width: " + cellWidth);
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158 logger.debug("+ items in raster: " + raster.length);
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159 logger.debug("+ number of coordinates: " + coordinates.length);
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160 logger.debug("+++++++++++++++++++++++++++++++++++++++++");
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161 }
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162
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163 String datetime = null;
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164 try {
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165 Date tmp = srcFormat.parse(time);
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166 datetime = destFormat.format(tmp);
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167 }
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168 catch (ParseException pe) {
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169 logger.error(pe, pe);
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170 }
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171
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172 double maxDepth = 0;
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173 String[] row = new String[10];
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174 for (int i = 0; i < width; i++) {
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175 row[0] = "GNVExport";
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176 row[1] = "Station_" + i;
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177 row[2] = "*";
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178 row[3] = datetime;
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179 row[4] = Double.toString(coordinates[i].x);
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180 row[5] = Double.toString(coordinates[i].y);
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181 row[6] = "0";
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182
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183 double depth = cellHeight * 0.5d;
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184 for (int j = i; j < raster.length; j += width, depth += cellHeight) {
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185 if (j == (i+width)) {
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186 row[0] = "";
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187 row[1] = "";
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188 row[2] = "";
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189 row[3] = "";
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190 row[4] = "";
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191 row[5] = "";
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192 row[6] = "";
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193 }
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194
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195 double value = raster[j];
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196
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197 row[7] = Double.toString(depth);
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198 row[8] = "1";
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199 row[9] = Double.toString(value);
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200
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201 maxDepth = maxDepth >= depth ? maxDepth : depth;
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202
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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203 if (Double.isNaN(value)) {
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204 break;
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205 }
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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206
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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207 writer.writeNext(row);
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208 }
43f3c0cd60f2 First implementation of an odv export of a 'Profilschnitt' (issue217).
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209 }
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210
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211 logger.info("Detected max depth: " + maxDepth);
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212 }
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213 }
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214 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org