Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/horizontalcrosssection/HorizontalCrossSectionMeshOutputState.java @ 474:ab29e4ff2fda

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Added area interpolation needed for "Horizontalschnitt" gnv-artifacts/trunk@540 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 14 Jan 2010 10:34:05 +0000
parents 06887e2e3f7a
children 211cad2fb5ba
rev   line source
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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.horizontalcrosssection;
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5
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6 import java.io.File;
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7 import java.io.IOException;
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8 import java.io.OutputStream;
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9 import java.io.OutputStreamWriter;
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10 import java.io.UnsupportedEncodingException;
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11
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12 import java.util.Arrays;
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13 import java.util.Collection;
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14 import java.util.Iterator;
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15 import java.util.List;
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16 import java.util.Locale;
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17
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18 import org.apache.log4j.Logger;
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19
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20 import org.jfree.chart.ChartTheme;
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21
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22 import org.w3c.dom.Node;
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23
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24 import com.vividsolutions.jts.geom.Coordinate;
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25 import com.vividsolutions.jts.geom.Envelope;
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26 import com.vividsolutions.jts.geom.Polygon;
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27
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28 import au.com.bytecode.opencsv.CSVWriter;
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29
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30 import de.intevation.gnv.artifacts.cache.CacheFactory;
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31 import de.intevation.gnv.artifacts.context.GNVArtifactContext;
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32
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33 import de.intevation.gnv.chart.Chart;
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34 import de.intevation.gnv.chart.ChartLabels;
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35
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36 import de.intevation.gnv.geobackend.base.Result;
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37
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38 import de.intevation.gnv.geobackend.base.query.QueryExecutor;
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39 import de.intevation.gnv.geobackend.base.query.QueryExecutorFactory;
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40 import de.intevation.gnv.geobackend.base.query.exception.QueryException;
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41
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42 import de.intevation.gnv.state.InputData;
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43
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44 import de.intevation.gnv.state.exception.StateException;
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45
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46 import de.intevation.gnv.state.timeseries.TimeSeriesOutputState;
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47
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48 import de.intevation.gnv.statistics.Statistics;
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49
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50 import de.intevation.gnv.utils.StringUtils;
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51 import de.intevation.gnv.utils.WKTUtils;
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52
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53 import de.intevation.artifactdatabase.Config;
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54
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55 import de.intevation.artifacts.CallContext;
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56
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57 import de.intevation.gnv.geobackend.sde.datasources.RasterObject;
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58
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59 /**
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60 * @author Tim Englich (tim.englich@intevation.de)
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61 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de)
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62 */
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63 public class HorizontalCrossSectionMeshOutputState
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64 extends TimeSeriesOutputState
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65 {
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66 private static Logger log = Logger
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67 .getLogger(HorizontalCrossSectionMeshOutputState.class);
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68
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69 /**
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70 * The UID of this Class
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71 */
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72 private static final long serialVersionUID = 3233620652465061860L;
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73
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74 private String ijkQueryID = null;
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75
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76 /**
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77 * Constructor
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78 */
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79 public HorizontalCrossSectionMeshOutputState() {
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80 super();
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81 super.domainLable = "chart.horizontalcrosssection.title.xaxis";
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82 }
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83
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84 @Override
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85 protected Chart getChart(
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86 ChartLabels chartLables,
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87 ChartTheme theme,
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88 Collection parameters,
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89 Collection measurements,
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90 Collection dates,
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91 Object result,
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92 Locale locale,
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93 String uuid,
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94 boolean linesVisible,
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95 boolean shapesVisible,
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96 CallContext callContext
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97 ) {
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98 Chart chart = null;
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99
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100 if (CACHE_CHART) {
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101 log.info("Try to get horizontalcrosssection chart from cache.");
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102 chart = (Chart) getChartFromCache(uuid, callContext);
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103 }
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104
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105 if (chart != null)
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106 return chart;
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107
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108 log.info("Chart not in cache yet.");
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109
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110 log.warn("This sort of chart is not implemented yet.");
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111
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112 InputData meshPolygon = inputData.get("mesh_polygon");
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113 String meshPolygonWkt = null;
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114 if (meshPolygon != null){
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115 meshPolygonWkt = meshPolygon.getValue();
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116
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117 }
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118 log.debug("Used Polygon: "+meshPolygonWkt);
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119
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120 return chart;
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121 }
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122
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123 /**
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124 * @see de.intevation.gnv.state.OutputStateBase#getChartResult(java.lang.String, de.intevation.artifacts.CallContext)
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125 */
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126 @Override
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127 protected Object getChartResult(String uuid, CallContext callContext) {
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128 log.debug("HorizontalProfileMeshCrossOutputState.getChartResult");
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129 Collection<Result> result = null;
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130 if (CacheFactory.getInstance().isInitialized()) {
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131 String key = uuid + super.getID();
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132 log.debug("Hash for Queryelements: " + key);
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133 net.sf.ehcache.Element value = CacheFactory.getInstance().getCache().get(key);
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134 if (value != null) {
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diff changeset
135 result = (Collection<Result>) (value.getObjectValue());
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diff changeset
136 }else{
335
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137
468
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138 InputData meshPolygon = inputData.get("mesh_polygon");
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diff changeset
139 InputData meshId = inputData.get("meshid");
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140
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141 if (meshPolygon == null) {
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142 log.error("mesh_polygon is not defined");
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143 throw new IllegalStateException("missing mesh_linestring");
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144 }
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145
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146 if (meshId == null) {
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147 log.error("meshid is not defined");
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148 throw new IllegalStateException("missing meshid");
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149 }
471
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150
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151 Polygon p = WKTUtils.toPolygon(meshPolygon.getValue());
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152
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153 if (p == null) {
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154 log.error("no valid polygon");
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155 throw new IllegalStateException("no valid polygon");
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156 }
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157
468
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158 try {
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159 Envelope env = p.getEnvelopeInternal();
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160
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161 Coordinate [] coords = new Coordinate [] {
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162 new Coordinate(env.getMinX(), env.getMinY()),
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163 new Coordinate(env.getMinX(), env.getMaxY()),
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164 new Coordinate(env.getMaxX(), env.getMaxY()),
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165 new Coordinate(env.getMaxX(), env.getMinY()) };
468
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166
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167 String additionWhere =
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168 WKTUtils.worldEnvelopeCoordinatesToIndex(
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169 coords,
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170 result,
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171 meshId.getValue(),
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172 ijkQueryID);
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173
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174 String[] addedFilterValues = StringUtils.append(
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175 generateFilterValuesFromInputData(),
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176 additionWhere);
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177
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178 QueryExecutor queryExecutor = QueryExecutorFactory
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179 .getInstance()
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180 .getQueryExecutor();
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181
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diff changeset
182 result = process(
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diff changeset
183 Arrays.asList(coords),
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diff changeset
184 numSamples(callContext),
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diff changeset
185 queryExecutor.executeQuery(
471
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diff changeset
186 queryID,
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187 addedFilterValues),
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188 p);
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189 }
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diff changeset
190 catch (QueryException e) {
468
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diff changeset
191 log.error(e,e);
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diff changeset
192 }
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diff changeset
193
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
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diff changeset
194 if (CacheFactory.getInstance().isInitialized()) {
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diff changeset
195 CacheFactory.getInstance().getCache().put(new net.sf.ehcache.Element(key, result));
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diff changeset
196 }
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diff changeset
197 }
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diff changeset
198 }
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diff changeset
199 return result;
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diff changeset
200 }
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diff changeset
201
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
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diff changeset
202 public static Collection<Result> process(
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diff changeset
203 List<Coordinate> path,
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parents: 461
diff changeset
204 int numSamples,
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diff changeset
205 Collection<Result> input,
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diff changeset
206 Polygon polygon
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diff changeset
207 ) {
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diff changeset
208 // TODO: IMPLEMENT ME INTEGRATE POLYGONCLIPPING
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diff changeset
209 return null;
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diff changeset
210 }
335
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diff changeset
211
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parents:
diff changeset
212 /**
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parents:
diff changeset
213 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#getStatisticsGenerator()
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parents:
diff changeset
214 */
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parents:
diff changeset
215 @Override
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parents:
diff changeset
216 protected Statistics getStatisticsGenerator() {
461
3ddc22aab764 Removed Encodingerrors from listed Files. All Files are now UTF-8 compliant.
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parents: 459
diff changeset
217 return null; //Statistics are not supported for this kind of OutputState.
335
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parents:
diff changeset
218 }
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parents:
diff changeset
219
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parents:
diff changeset
220 /**
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parents:
diff changeset
221 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#createCSV(java.io.OutputStream,
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parents:
diff changeset
222 * java.util.Collection)
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parents:
diff changeset
223 */
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parents:
diff changeset
224 @Override
474
ab29e4ff2fda Added area interpolation needed for "Horizontalschnitt"
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diff changeset
225 protected void createCSV(
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parents: 471
diff changeset
226 OutputStream outputStream,
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parents: 471
diff changeset
227 Collection<Result> chartResult
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parents: 471
diff changeset
228 ) throws UnsupportedEncodingException, IOException, StateException
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diff changeset
229 {
ab29e4ff2fda Added area interpolation needed for "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 471
diff changeset
230 /*
335
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parents:
diff changeset
231 if (chartResult != null) {
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parents:
diff changeset
232 try {
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parents:
diff changeset
233 CSVWriter writer = new CSVWriter(new OutputStreamWriter(
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parents:
diff changeset
234 outputStream, "ISO-8859-1"), ',');
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parents:
diff changeset
235 // USE THIS ENCODING BECAUSE OF
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parents:
diff changeset
236 // PROBLEMS WITH EXCEL AND UTF-8
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parents:
diff changeset
237 Iterator<Result> it = chartResult.iterator();
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parents:
diff changeset
238 while (it.hasNext()) {
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parents:
diff changeset
239 Result result = it.next();
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parents:
diff changeset
240 int i = 0;
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parents:
diff changeset
241 String[] entries = new String[5];
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parents:
diff changeset
242 entries[i++] = result.getString("SHAPE");
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parents:
diff changeset
243 entries[i++] = result.getString("YORDINATE");
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parents:
diff changeset
244 entries[i++] = result.getString("IPOSITION");
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parents:
diff changeset
245 entries[i++] = result.getString("JPOSITION");
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parents:
diff changeset
246 entries[i++] = result.getString("KPOSITION");
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diff changeset
247 writer.writeNext(entries);
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diff changeset
248 }
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parents:
diff changeset
249 writer.close();
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parents:
diff changeset
250 } catch (Exception e) {
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parents:
diff changeset
251 log.error(e,e);
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parents:
diff changeset
252 throw new StateException(
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parents:
diff changeset
253 "Exception occured while parsing an Point from WKT.");
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parents:
diff changeset
254 }
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parents:
diff changeset
255 } else {
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parents:
diff changeset
256 log.error("No Data given for generating an CSV-File.");
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parents:
diff changeset
257 throw new StateException(
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diff changeset
258 "No Data given for generating an CSV-File.");
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parents:
diff changeset
259 }
474
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parents: 471
diff changeset
260 */
335
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parents:
diff changeset
261 }
468
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parents: 461
diff changeset
262
7ba4c7222265 Added ij-Index determination for horizontal-cross-sections.
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parents: 461
diff changeset
263 /**
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parents: 461
diff changeset
264 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#setup(org.w3c.dom.Node)
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parents: 461
diff changeset
265 */
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parents: 461
diff changeset
266 @Override
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diff changeset
267 public void setup(Node configuration) {
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diff changeset
268 super.setup(configuration);
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diff changeset
269 this.ijkQueryID = Config.getStringXPath(configuration,"queryID-ijk");
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diff changeset
270
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diff changeset
271 }
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diff changeset
272
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diff changeset
273 private static int numSamples(CallContext callContext) {
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parents: 461
diff changeset
274 GNVArtifactContext context =
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parents: 461
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275 (GNVArtifactContext)callContext.globalContext();
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276 Integer samples = (Integer)context.get(
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277 GNVArtifactContext.HORIZONTAL_CROSS_SECTION_SAMPLES_KEY);
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278 return samples != null
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279 ? samples.intValue()
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280 : GNVArtifactContext.DEFAULT_HORIZONTAL_CROSS_SECTION_SAMPLES;
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281 }
335
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282
474
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283 private static File shapefileDirectory(CallContext callContext) {
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284 GNVArtifactContext context =
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285 (GNVArtifactContext)callContext.globalContext();
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286 File dir = (File)context.get(
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287 GNVArtifactContext.HORIZONTAL_CROSS_SECTION_RESULT_SHAPEFILE_PATH_KEY);
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288 return dir != null
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289 ? dir
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290 : GNVArtifactContext.DEFAULT_HORIZONTAL_CROSS_SECTION_PROFILE_SHAPEFILE_PATH;
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291 }
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292
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293 private static int getGroundInterpolation(CallContext callContext) {
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294 GNVArtifactContext context =
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295 (GNVArtifactContext)callContext.globalContext();
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296
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297 String interpolation = (String)context.get(
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298 GNVArtifactContext.HORIZONTAL_CROSS_SECTION_GROUND_INTERPOLATION_KEY);
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299
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300 return RasterObject.getInterpolationType(interpolation);
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301 }
335
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302 }
474
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303 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org