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annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/HorizontalProfileChartFactory.java @ 176:bff7bbb7c6f0

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Add Spatial-Query-Syntax to HorizontalProfile-Queries and use Geometry to Calculate the X-Ordinate of the Chart. gnv-artifacts/trunk@219 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Wed, 14 Oct 2009 10:49:35 +0000
parents 7fb9441dd8af
children f2c76f35da5a
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1 /**
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2 * Title: ChartFactory, $Header: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v 1.8 2007/12/21 12:31:15 blume Exp $
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3 * Source: $Source: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v $
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4 * created by: Stefan Blume (blume)
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5 * erstellt am: 06.12.2007
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6 * Copyright: con terra GmbH, 2005
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7 *
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8 * modified by: $Author: blume $
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9 * modified on: $Date: 2007/12/21 12:31:15 $
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10 * Version: $Revision: 1.8 $
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11 * TAG: $Name: $
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12 * locked from: $Locker: $
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13 * CVS State: $State: Exp $
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14 * Project: $ProjectName$
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15 */
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16 package de.intevation.gnv.chart;
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17
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18 import java.util.Collection;
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19 import java.util.Iterator;
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20
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21 import org.apache.log4j.Logger;
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22 import org.jfree.chart.plot.PlotOrientation;
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23 import org.jfree.data.xy.XYSeries;
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24
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25 import com.vividsolutions.jts.geom.Point;
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26 import com.vividsolutions.jts.io.WKTReader;
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27
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28 import de.intevation.gnv.chart.exception.TechnicalChartException;
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29 import de.intevation.gnv.geobackend.base.Result;
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30
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31 /**
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32 *
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33 * @author Tim Englich <tim.englich@intevation.de>
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34 *
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35 */
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36 public class HorizontalProfileChartFactory extends VerticalProfileChartFactory {
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37
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38 /**
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39 * Default Logging instance
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40 */
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41 private static Logger sLogger = Logger
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42 .getLogger(HorizontalProfileChartFactory.class);
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43 private static boolean sDebug = sLogger.isDebugEnabled();
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44
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45 private WKTReader wktReader = new WKTReader();
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46
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47 public HorizontalProfileChartFactory() {
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48 super();
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49 super.plotOrientation = PlotOrientation.VERTICAL;
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50 }
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51
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52 /**
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53 *
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54 * @param seriesName
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55 * @param resultSet
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56 * @param lUpperCut
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57 * @param lLowerCut
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58 * @param pStart
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59 * @param pEnd
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60 * @return
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61 * @throws TechnicalChartException
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62 */
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63 @Override
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64 protected XYSeries createXYSeries(String seriesName,
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65 Collection<Result> resultSet,
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66 int lUpperCut, int lLowerCut, int pStart,
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67 int pEnd) throws TechnicalChartException {
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68 if (sDebug)
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69 sLogger.debug("createXYSeries()");
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70 XYSeries series = new XYSeries(seriesName);
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71 try {
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72 Point lastPoint = null;
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73 double distance = 0;
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74 int i = 0;
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75 Iterator<Result> resultIterator = resultSet.iterator();
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76 while (resultIterator.hasNext()) {
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77 Result lRow = resultIterator.next();
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78 if (i >= pStart && i <= pEnd) {
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79 Point p = (Point)wktReader.read(lRow.getString("SHAPE"));
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80 if (lastPoint != null) {
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81 distance = distance +p.distance(lastPoint); // TODO in Meter umrechnen
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82 }
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83 lastPoint = p;
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84 double yValue = lRow.getDouble("YORDINATE");
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85 series.add(distance, yValue);
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86 sLogger.debug(seriesName + " Added Value " + distance + " / "
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87 + yValue);
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88 } else if (i > pEnd) {
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89 return series;
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90 }
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91 i++;
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92 }
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93 } catch (OutOfMemoryError e) {
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94 sLogger.error(e.getMessage(), e);
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95 return series;
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96
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97 } catch (Exception e) { // TechnicalChartException
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98 sLogger.error(e.getMessage(), e);
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99 } finally {
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100 }
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101 return series;
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102 }
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103 }
http://dive4elements.wald.intevation.org