Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/AxisDataset.java @ 7167:2fd238b681a9

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Add debug output triggered by debugging the last commit
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 26 Sep 2013 12:22:01 +0200
parents 41567bf1e131
children e4606eae8ea5
rev   line source
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1 /* Copyright (C) 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * XYDatasethis file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUXYDatasetELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.jfree;
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10
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11 import java.util.List;
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12 import java.util.ArrayList;
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13
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14 import org.jfree.data.Range;
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15 import org.jfree.data.RangeInfo;
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16 import org.jfree.data.xy.XYDataset;
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17 import org.jfree.data.xy.XYSeries;
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18 import org.jfree.data.xy.XYSeriesCollection;
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19 import org.jfree.data.time.TimeSeriesCollection;
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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 /**
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24 * Axis datasets.
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25 */
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26 public class AxisDataset
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27 {
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28 private static Logger logger = Logger.getLogger(AxisDataset.class);
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29
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30 /** Symbolic integer, but also coding the priority (0 goes first). */
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31 protected int axisSymbol;
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32
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33 /** List of assigned datasets (in order). */
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34 protected List<XYDataset> datasets;
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35
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36 /** Range to use to include all given datasets. */
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37 protected Range range;
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38
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39 /** Index of axis in plot. */
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40 protected int plotAxisIndex;
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41
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42 protected boolean rangeDirty;
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43
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44 /** Create AxisDataset. */
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45 public AxisDataset(int symb) {
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46 axisSymbol = symb;
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47 datasets = new ArrayList<XYDataset>();
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48 }
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49
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50 /** Add a dataset to internal list for this axis. */
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51 public void addDataset(XYDataset dataset) {
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52 datasets.add(dataset);
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53 rangeDirty = true;
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54 }
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55
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56 /** Add a dataset. */
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57 public void addDataset(XYSeries series) {
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58 addDataset(new XYSeriesCollection(series));
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59 }
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60
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61 public void setRange(Range val) {
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62 range = val;
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63 }
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64
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65 /** Get Range for the range axis of this dataset. */
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66 public Range getRange() {
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67 if (range != null && !rangeDirty) {
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68 return range;
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69 }
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70 /* Calculate the min / max of all series */
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71 for (XYDataset dataset: datasets) {
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72 Range newRange = null;
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73 if (dataset instanceof StyledAreaSeriesCollection) {
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74 /* We do not include areas in the range calculation because
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75 * they are used with very large / small values to draw areas
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76 * with axis boundaries */
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77 continue;
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78 } else if (dataset instanceof RangeInfo) {
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79 /* The usual case for most series */
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80 newRange = ((RangeInfo) dataset).getRangeBounds(false);
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81 } else if (dataset instanceof TimeSeriesCollection) {
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82 /* Lalala <3 Jfreechart's class hirarchy */
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83 newRange = ((TimeSeriesCollection) dataset).getRangeBounds(false);
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84 }
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85
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86 /* Now we only expand as we also only add new data */
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87 if (range == null) {
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88 range = newRange;
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89 } else {
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90 range = Range.combine(range, newRange);
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91 }
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92 }
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93 rangeDirty = false;
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94 return range;
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95 }
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96
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97 /** Get Array of Datasets. */
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98 public XYDataset[] getDatasets() {
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99 return datasets.toArray(new XYDataset[datasets.size()]);
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100 }
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101
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102 /** True if to be rendered as area. */
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103 public boolean isArea(XYDataset series) {
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104 return (series instanceof StyledAreaSeriesCollection);
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105 }
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106
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107 /** True if no datasets given. */
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108 public boolean isEmpty() {
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109 return datasets.isEmpty();
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110 }
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111
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112 /** Set the 'real' axis index that this axis is mapped to. */
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113 public void setPlotAxisIndex(int axisIndex) {
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114 plotAxisIndex = axisIndex;
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115 }
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116
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117 /** Get the 'real' axis index that this axis is mapped to. */
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118 public int getPlotAxisIndex() {
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119 return plotAxisIndex;
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120 }
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121
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122 /** Add a Dataset that describes an area. */
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123 public void addArea(StyledAreaSeriesCollection series) {
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124 addDataset(series);
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125 }
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126
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127 }
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