Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/verticalcrosssection/VerticalCrossSectionOutputState.java @ 432:6a70e8883307

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Added some type safety. Fixed z value bug in reading database preprocessing. Only dissemble WKT points if really needed. gnv-artifacts/trunk@480 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 23 Dec 2009 09:45:40 +0000
parents 422275fc9927
children 8975de9d7483
rev   line source
335
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.state.profile.verticalcrosssection;
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5
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6 import java.io.IOException;
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7 import java.io.OutputStream;
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8 import java.io.OutputStreamWriter;
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9 import java.io.UnsupportedEncodingException;
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10
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11 import java.util.Collection;
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12 import java.util.HashMap;
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13 import java.util.Iterator;
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14 import java.util.Locale;
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15 import java.util.Map;
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16 import java.util.ArrayList;
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17
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18 import org.apache.log4j.Logger;
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19
358
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20 import org.jfree.chart.ChartTheme;
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21
429
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22 import net.sf.ehcache.Element;
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23
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24 import au.com.bytecode.opencsv.CSVWriter;
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25
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26 import com.vividsolutions.jts.geom.Point;
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27 import com.vividsolutions.jts.geom.Coordinate;
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28 import com.vividsolutions.jts.geom.LineString;
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29 import com.vividsolutions.jts.io.ParseException;
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30 import com.vividsolutions.jts.io.WKTReader;
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31
429
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32 import de.intevation.gnv.artifacts.cache.CacheFactory;
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33
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34 import de.intevation.gnv.chart.Chart;
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35 import de.intevation.gnv.chart.ChartLabels;
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36 import de.intevation.gnv.chart.ChartStyle;
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37
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38 import de.intevation.gnv.chart.exception.TechnicalChartException;
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39
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40 import de.intevation.gnv.geobackend.base.Result;
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41 import de.intevation.gnv.geobackend.base.ResultDescriptor;
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42
429
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43 import de.intevation.gnv.geobackend.base.query.QueryExecutor;
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44 import de.intevation.gnv.geobackend.base.query.QueryExecutorFactory;
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45 import de.intevation.gnv.geobackend.base.query.exception.QueryException;
431
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46
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47 import de.intevation.gnv.math.AttributedXYColumns;
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48 import de.intevation.gnv.math.HeightValue;
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49 import de.intevation.gnv.math.XYColumn;
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50 import de.intevation.gnv.math.IJKey;
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51
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52 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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53 import de.intevation.gnv.state.exception.StateException;
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54 import de.intevation.gnv.state.timeseries.TimeSeriesOutputState;
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55
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56 import de.intevation.gnv.statistics.Statistics;
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57 import de.intevation.gnv.statistics.VerticalProfileStatistics;
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58
429
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59 import de.intevation.gnv.utils.WKTUtils;
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60
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61 /**
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62 * @author Tim Englich <tim.englich@intevation.de>
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63 *
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64 */
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65 public class VerticalCrossSectionOutputState extends TimeSeriesOutputState {
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66
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67 public static final String[] ATTRIBUTE_LIST = {
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68 "SHAPE",
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69 "Z",
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70 "YORDINATE",
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71 "IPOSITION",
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72 "JPOSITION",
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73 "KPOSITION"
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74 };
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75
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76 private static Logger log = Logger.getLogger(
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77 VerticalCrossSectionOutputState.class);
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78
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79 private String ijkQueryID = "horizontalprofile_meshpoint_cross_ij";
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80
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81 /**
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82 * The UID of this Class
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83 */
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84 private static final long serialVersionUID = 3233620652465061860L;
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85
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86 /**
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87 * Constructor
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88 */
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89 public VerticalCrossSectionOutputState() {
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90 super();
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91 super.domainLable = "chart.verticalcrosssection.title.xaxis";
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92 }
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93
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94
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95 @Override
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96 protected Object getChartResult(String uuid) {
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97 log.debug("VerticalCrossSectionOutputState.getChartResult");
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98 Collection<Result> result = null;
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99 String key = uuid + super.getID();
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100
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101 Element element = CacheFactory.getInstance().getCache().get(key);
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102 if (element != null)
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103 return element.getObjectValue();
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104
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105 log.debug("No results in cache yet.");
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106 if (inputData.containsKey("mesh_linestring")) {
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107
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108 try {
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109 LineString ls = (LineString) new WKTReader().read(
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110 inputData.get("mesh_linestring").getValue());
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111
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112 Coordinate[] coords = ls.getCoordinates();
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113
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114 String additionWhere = WKTUtils.worldCoordinatesToIndex(
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115 result,
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116 inputData,
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117 ijkQueryID
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118 );
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119
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120
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121 String[] filterValues =
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122 generateFilterValuesFromInputData();
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123 String[] addedFilterValues =
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124 new String[filterValues.length + 1];
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125
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126 System.arraycopy(
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127 filterValues, 0,
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128 addedFilterValues, 0,
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129 filterValues.length
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130 );
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131 addedFilterValues[filterValues.length] = additionWhere;
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132
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133 QueryExecutor exec = QueryExecutorFactory
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134 .getInstance()
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135 .getQueryExecutor();
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136
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137 result = exec.executeQuery(queryID, addedFilterValues);
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138 }
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139 catch (ParseException pe) {
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140 log.error(pe, pe);
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141 }
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142 catch (QueryException qe) {
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143 log.error(qe, qe);
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144 }
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145 }
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146 else {
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147 // TODO What should happen if there is no linestring?
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148 log.warn("No linestring in inputData.");
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149 }
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150
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151 Object obj = process(preProcess(result));
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152 CacheFactory.getInstance().getCache().put(new Element(key, obj));
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153
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154 return obj;
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155 }
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156
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157
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158 protected Object process(AttributedXYColumns columns) {
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159
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160 // TODO Implement me
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161 return null;
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162 }
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163
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164
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165 protected AttributedXYColumns preProcess(Collection results) {
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166
429
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167 AttributedXYColumns attColumns = new AttributedXYColumns();
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168 Map<IJKey, XYColumn> map = new HashMap<IJKey, XYColumn>(1013);
429
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169 Iterator iter = results.iterator();
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170
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171 int sIdx = -1;
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172 int iIdx = -1;
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173 int jIdx = -1;
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174 int kIdx = -1;
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175 int vIdx = -1;
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176 int zIdx = -1;
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177
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178 while (iter.hasNext()) {
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179 Result result = (Result) iter.next();
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180
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181 if (sIdx == -1) {
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182 ResultDescriptor rd = result.getResultDescriptor();
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183 int columnCount = rd.getColumnCount();
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184
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185 sIdx = rd.getColumnIndex("SHAPE");
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186 iIdx = rd.getColumnIndex("IPOSITION");
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187 jIdx = rd.getColumnIndex("JPOSITION");
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188 kIdx = rd.getColumnIndex("KPOSITION");
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189 vIdx = rd.getColumnIndex("YORDINATE");
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190 zIdx = rd.getColumnIndex("Z");
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191
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192 for (int i = 0; i < columnCount; i++) {
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193 String colName = rd.getColumnName(i);
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194
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195 if (!attributeInList(colName)) {
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196 attColumns.setAttribute(
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197 colName,
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198 result.getObject(colName));
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199 }
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200 }
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201 }
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202
432
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diff changeset
203 double v = result.getDouble(vIdx);
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diff changeset
204 double z = result.getDouble(zIdx);
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diff changeset
205 int i = result.getInteger(iIdx);
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diff changeset
206 int j = result.getInteger(jIdx);
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diff changeset
207 int k = result.getInteger(kIdx);
429
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208
432
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diff changeset
209 IJKey key = new IJKey(i, j);
431
422275fc9927 Refactored the XYColumn and Point2d code a bit to be more reusable in 3D.
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diff changeset
210
432
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diff changeset
211 XYColumn col = (XYColumn)map.get(key);
429
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diff changeset
212
432
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diff changeset
213 if (col == null) {
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diff changeset
214 Coordinate coord = WKTUtils.toCoordinate(result.getString(sIdx));
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diff changeset
215 if (coord == null) coord = new Coordinate();
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diff changeset
216 col = new XYColumn(coord.x, coord.z, i, j);
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diff changeset
217 map.put(key, col);
429
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diff changeset
218 }
432
6a70e8883307 Added some type safety. Fixed z value bug in reading database preprocessing. Only dissemble WKT points if really needed.
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diff changeset
219
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diff changeset
220 col.add(new HeightValue(z, v, k));
429
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diff changeset
221 }
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diff changeset
222
432
6a70e8883307 Added some type safety. Fixed z value bug in reading database preprocessing. Only dissemble WKT points if really needed.
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diff changeset
223 ArrayList<XYColumn> cols = new ArrayList<XYColumn>(map.values());
429
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diff changeset
224 attColumns.setXYColumns(cols);
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diff changeset
225
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diff changeset
226 return attColumns;
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diff changeset
227 }
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228
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229
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diff changeset
230 protected boolean attributeInList(String name) {
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diff changeset
231 for (int i = 0; i < ATTRIBUTE_LIST.length; i++) {
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diff changeset
232 if (name.equals(ATTRIBUTE_LIST[i]))
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diff changeset
233 return true;
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diff changeset
234 }
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diff changeset
235
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diff changeset
236 return false;
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diff changeset
237 }
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diff changeset
238
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diff changeset
239
335
e964a3d8f7bc Some Refactoring work done.
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diff changeset
240 @Override
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241 protected Chart getChart(
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242 ChartLabels chartLables,
358
2f7a28f211c7 Fetch ChartTheme from CallContext instead of creating it each time before creating a chart.
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parents: 343
diff changeset
243 ChartTheme theme,
335
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diff changeset
244 Collection parameters,
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diff changeset
245 Collection measurements,
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diff changeset
246 Collection dates,
429
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diff changeset
247 Object result,
335
e964a3d8f7bc Some Refactoring work done.
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248 Locale locale,
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249 String uuid,
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diff changeset
250 boolean linesVisible,
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251 boolean shapesVisible
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diff changeset
252 ) {
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253 Chart chart = null;
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diff changeset
254
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diff changeset
255 if (CACHE_CHART) {
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diff changeset
256 log.info("Try to get verticalcrosssection chart from cache.");
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257 chart = (Chart) getChartFromCache(uuid);
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258 }
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259
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260 if (chart != null)
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261 return chart;
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262
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263 log.info("Chart not in cache yet.");
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264
335
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265 log.warn("This sort of chart is not implemented yet.");
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266 /* TODO Implement a special chart for this sort of charts.
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267 chart = new VerticalProfileChart(
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268 chartLables,
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269 chartTheme,
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270 parameters,
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271 measurements,
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272 result,
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273 dates,
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274 locale
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275 );
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276 chart.generateChart();
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277
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278 if (CACHE_CHART) {
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279 log.info("Put chart into cache.");
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280 purifyChart(chart, uuid);
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281 }
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282 */
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283
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284 return chart;
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285 }
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286
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287 /**
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288 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#createChart(java.io.OutputStream,
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289 * java.util.Collection, java.util.Collection, java.lang.String,
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290 * de.intevation.gnv.chart.ChartStyle,
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291 * de.intevation.gnv.chart.ChartLabels)
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292 */
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293 /*
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294 @Override
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295 protected void createChart(OutputStream outputStream,
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296 Collection<KeyValueDescibeData> parameters,
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297 Collection<KeyValueDescibeData> measurements,
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298 Collection<KeyValueDescibeData> dates,
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299 ChartStyle chartStyle, ChartLabels chartLables,
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300 String uuid) throws IOException,
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301 TechnicalChartException {
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302 new VerticalCrossSectionChartFactory().createProfileChart(chartLables,
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303 chartStyle, parameters, measurements, dates, outputStream, this
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304 .getChartResult(uuid));
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305 }
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306 */
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307
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308 /**
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309 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#getStatisticsGenerator()
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310 */
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311 @Override
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312 protected Statistics getStatisticsGenerator() {
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313 return new VerticalProfileStatistics();
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314 }
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315
335
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316 /**
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317 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#createCSV(java.io.OutputStream, java.util.Collection)
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318 */
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319 @Override
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320 protected void createCSV(
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321 OutputStream outputStream,
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322 Collection<Result> chartResult
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323 )
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324 throws UnsupportedEncodingException, IOException, StateException
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325 {
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326 /* // TODO: Implement a substitution which makes sense.
335
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327 if (chartResult != null) {
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328 try {
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329 CSVWriter writer = new CSVWriter(new OutputStreamWriter(
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330 outputStream, "ISO-8859-1"), ',');
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331 // USE THIS ENCODING BECAUSE OF
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332 // PROBLEMS WITH EXCEL AND UTF-8
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333 Iterator<Result> it = chartResult.iterator();
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334 WKTReader wktReader = new WKTReader();
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335 while (it.hasNext()) {
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336 Result result = it.next();
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337 int i = 0;
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338 String[] entries = new String[9];
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339 Point p = (Point)wktReader.read(result.getString("SHAPE"));
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340 entries[i++] = ""+p.getX();
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341 entries[i++] = ""+p.getY();
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342 entries[i++] = result.getString("Z");
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343 entries[i++] = result.getString("YORDINATE");
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344 entries[i++] = result.getString("GROUP1");
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345 entries[i++] = result.getString("GROUP2");
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346 entries[i++] = result.getString("IPOSITION");
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347 entries[i++] = result.getString("JPOSITION");
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348 entries[i++] = result.getString("KPOSITION");
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349 writer.writeNext(entries);
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350 }
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351 writer.close();
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352 } catch (ParseException e) {
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353 log.error(e,e);
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354 throw new StateException(
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355 "Exception occured while parsing an Point from WKT.");
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356 }
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357 } else {
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358 log.error("No Data given for generating an CSV-File.");
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359 throw new StateException(
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360 "No Data given for generating an CSV-File.");
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361 }
432
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362 */
335
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363 }
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364 }
432
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365 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org