Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/IsoPolygonSeriesProducer.java @ 469:62fc63d0f71d

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Added a new State in Product Verticalprofile in Timeseriespoints. Now it will be displayed the Years where measurements happened and than only the dates of the chosen Year will be fetched and displayed. gnv-artifacts/trunk@532 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 12 Jan 2010 12:42:53 +0000
parents f7038820df2e
children 1bf058f1a2d1
rev   line source
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1 package de.intevation.gnv.raster;
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2
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3 import java.util.ArrayList;
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4 import java.util.Collection;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import gnu.trove.TIntObjectHashMap;
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9 import gnu.trove.TDoubleArrayList;
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10
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11 import de.intevation.gnv.raster.Vectorizer.Edge;
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12
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13 import de.intevation.gnv.math.IJKey;
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14
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15 import de.intevation.gnv.jfreechart.PolygonSeries;
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16 import de.intevation.gnv.jfreechart.CompactXYItems;
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17
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18 /**
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19 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de)
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20 */
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21 public class IsoPolygonSeriesProducer
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22 extends IsoProducer
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23 {
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24 private static Logger log = Logger.getLogger(
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25 IsoPolygonSeriesProducer.class);
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26
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27 public static final Float LINE_WIDTH = Float.valueOf(0.1f);
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28
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29 public IsoPolygonSeriesProducer(
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30 double minX, double minY,
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31 double maxX, double maxY
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32 ) {
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33 super(minX, minY, maxX, maxY);
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34 }
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35
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36 public Collection<PolygonSeries> getSeries() {
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37 return getSeries(null);
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38 }
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39
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40 public Collection<PolygonSeries> getSeries(
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41 AttributeGenerator attributeGenerator
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42 ) {
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43 ArrayList<PolygonSeries> series = new ArrayList<PolygonSeries>();
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44
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45 double b1 = minX;
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46 double m1 = width != 1
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47 ? (maxX - minX)/(width-1)
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48 : 0d;
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49
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50 double b2 = minY;
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51 double m2 = height != 1
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52 ? (maxY - minY)/(height-1)
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53 : 0d;
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54
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55 TDoubleArrayList vertices = new TDoubleArrayList();
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56
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57 for (IJKey key: joinPairs()) {
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58 PolygonSeries ps = new PolygonSeries();
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59
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60 // process complete
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61 ArrayList<Edge> completeList = complete.get(key);
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62 if (completeList != null) {
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63 for (Edge head: completeList) {
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64 Edge current = head;
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65 do {
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66 vertices.add(m1*(current.a % width) + b1);
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67 vertices.add(m2*(current.a / width) + b2);
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68 }
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69 while ((current = current.next) != head);
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70 // add head again to close shape
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71 vertices.add(m1*(head.a % width) + b1);
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72 vertices.add(m2*(head.a / width) + b2);
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73 ps.addRing(new CompactXYItems(vertices.toNativeArray()));
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74 vertices.clear();
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75 }
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76 }
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77
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78 // process open
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79 TIntObjectHashMap map = commonOpen.get(key);
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80
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81 if (map != null) {
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82 for (Edge head: headList(map)) {
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83
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84 head = Vectorizer.simplify(head, width);
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85 Edge current = head, last = head;
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86 do {
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87 vertices.add(m1*(current.a % width) + b1);
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88 vertices.add(m2*(current.a / width) + b2);
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89 last = current;
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90 }
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91 while ((current = current.next) != null);
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92 // add b from tail
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93 vertices.add(m1*(last.b % width) + b1);
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94 vertices.add(m2*(last.b / width) + b2);
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95 ps.addRing(new CompactXYItems(vertices.toNativeArray()));
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96 vertices.clear();
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97 } // for all in common open
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98 } // if map defined for key
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99
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100 if (ps.getItemCount() > 0) {
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101 series.add(ps);
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102 if (attributeGenerator != null) {
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103 Object attribute = attributeGenerator
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104 .generateAttribute(key.i, key.j);
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105
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106 if (attribute != null) {
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107 ps.setAttribute("label", attribute);
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108 }
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109 }
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110 ps.setAttribute("line.width", LINE_WIDTH);
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111 }
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112 } // for all pairs
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113
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114 return series;
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115 }
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116 }
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117 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org