root / org.gvsig.toolbox / trunk / org.gvsig.toolbox / org.gvsig.toolbox.algorithm / src / main / java / es / unex / sextante / tables / tableBasicStats / TableBasicStatsAlgorithm.java @ 59
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1 | 59 | nbrodin | package es.unex.sextante.tables.tableBasicStats; |
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2 | |||
3 | import java.text.DecimalFormat; |
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4 | |||
5 | import es.unex.sextante.core.GeoAlgorithm; |
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6 | import es.unex.sextante.core.Sextante; |
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7 | import es.unex.sextante.dataObjects.IRecord; |
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8 | import es.unex.sextante.dataObjects.IRecordsetIterator; |
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9 | import es.unex.sextante.dataObjects.ITable; |
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10 | import es.unex.sextante.docEngines.html.HTMLDoc; |
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11 | import es.unex.sextante.exceptions.GeoAlgorithmExecutionException; |
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12 | import es.unex.sextante.exceptions.OptionalParentParameterException; |
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13 | import es.unex.sextante.exceptions.RepeatedParameterNameException; |
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14 | import es.unex.sextante.exceptions.UndefinedParentParameterNameException; |
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15 | import es.unex.sextante.math.simpleStats.SimpleStats; |
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16 | |||
17 | public class TableBasicStatsAlgorithm |
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18 | extends
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19 | GeoAlgorithm { |
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20 | |||
21 | public static final String TABLE = "TABLE"; |
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22 | public static final String FIELD = "FIELD"; |
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23 | public static final String STATS = "STATS"; |
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24 | public static final String MEAN = "MEAN"; |
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25 | public static final String MEAN_SQUARED = "MEAN_SQUARED"; |
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26 | public static final String MIN = "MIN"; |
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27 | public static final String MAX = "MAX"; |
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28 | public static final String VARIANCE = "VARIANCE"; |
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29 | public static final String SUM = "SUM"; |
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30 | public static final String COEF_OF_VARIATION = "COEF_OF_VARIATION"; |
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31 | |||
32 | |||
33 | @Override
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34 | public boolean processAlgorithm() throws GeoAlgorithmExecutionException { |
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35 | |||
36 | int i;
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37 | int iField;
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38 | long iCount;
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39 | double dValue;
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40 | ITable table; |
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41 | final SimpleStats stats = new SimpleStats(); |
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42 | |||
43 | table = m_Parameters.getParameterValueAsTable(TABLE); |
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44 | iField = m_Parameters.getParameterValueAsInt(FIELD); |
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45 | |||
46 | i = 0;
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47 | iCount = table.getRecordCount(); |
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48 | final IRecordsetIterator iter = table.iterator();
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49 | while (iter.hasNext() && setProgress(i, (int) iCount)) { |
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50 | final IRecord record = iter.next();
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51 | try {
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52 | dValue = Double.parseDouble(record.getValue(iField).toString());
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53 | stats.addValue(dValue); |
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54 | } |
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55 | catch (final NumberFormatException e) {} |
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56 | i++; |
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57 | } |
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58 | iter.close(); |
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59 | |||
60 | if (m_Task.isCanceled()) {
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61 | return false; |
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62 | } |
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63 | else {
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64 | final DecimalFormat df = new DecimalFormat("##.###"); |
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65 | final HTMLDoc doc = new HTMLDoc(); |
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66 | doc.open(Sextante.getText("Statistics"));
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67 | doc.addHeader(Sextante.getText("Basic_statistics"), 2); |
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68 | doc.startUnorderedList(); |
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69 | doc.addListElement(Sextante.getText("Mean_value") + ": " + df.format(stats.getMean())); |
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70 | doc.addListElement(Sextante.getText("Mean_squared_value") + ": " + df.format(stats.getRMS())); |
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71 | doc.addListElement(Sextante.getText("Min_value") + ": " + df.format(stats.getMin())); |
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72 | doc.addListElement(Sextante.getText("Max_value") + ": " + df.format(stats.getMax())); |
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73 | doc.addListElement(Sextante.getText("Variance") + ": " + df.format(stats.getVariance())); |
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74 | doc.addListElement(Sextante.getText("Total_sum") + ": " + df.format(stats.getSum())); |
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75 | doc.addListElement(Sextante.getText("Coefficient_of_variation") + ": " + df.format(stats.getCoeffOfVar())); |
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76 | doc.closeUnorderedList(); |
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77 | doc.close(); |
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78 | |||
79 | addOutputText("STATS", Sextante.getText("Statistics") + "[" + table.getName() + "]", doc.getHTMLCode()); |
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80 | |||
81 | addOutputNumericalValue(MEAN, Sextante.getText("Mean_value"));
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82 | addOutputNumericalValue(MEAN_SQUARED, Sextante.getText("Mean_squared_value"));
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83 | addOutputNumericalValue(MIN, Sextante.getText("Minimum_value"));
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84 | addOutputNumericalValue(MAX, Sextante.getText("Maximum_value"));
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85 | addOutputNumericalValue(VARIANCE, Sextante.getText("Variance"));
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86 | addOutputNumericalValue(SUM, Sextante.getText("Total_sum"));
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87 | addOutputNumericalValue(COEF_OF_VARIATION, Sextante.getText("Coefficient_of_variation"));
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88 | |||
89 | return true; |
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90 | } |
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91 | |||
92 | } |
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93 | |||
94 | |||
95 | @Override
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96 | public void defineCharacteristics() { |
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97 | |||
98 | setName(Sextante.getText("Basic_statistics"));
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99 | setGroup(Sextante.getText("Table_tools"));
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100 | |||
101 | try {
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102 | m_Parameters.addInputTable(TABLE, Sextante.getText("Table"), true); |
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103 | m_Parameters.addTableField(FIELD, Sextante.getText("Field"), TABLE);
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104 | addOutputText(STATS, Sextante.getText("Statistics"));
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105 | addOutputNumericalValue(MEAN, Sextante.getText("Mean_value"));
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106 | addOutputNumericalValue(MEAN_SQUARED, Sextante.getText("Mean_squared_value"));
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107 | addOutputNumericalValue(MIN, Sextante.getText("Minimum_value"));
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108 | addOutputNumericalValue(MAX, Sextante.getText("Maximum_value"));
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109 | addOutputNumericalValue(VARIANCE, Sextante.getText("Variance"));
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110 | addOutputNumericalValue(SUM, Sextante.getText("Total_sum"));
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111 | addOutputNumericalValue(COEF_OF_VARIATION, Sextante.getText("Coefficient_of_variation"));
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112 | } |
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113 | catch (final RepeatedParameterNameException e) { |
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114 | Sextante.addErrorToLog(e); |
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115 | } |
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116 | catch (final UndefinedParentParameterNameException e) { |
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117 | Sextante.addErrorToLog(e); |
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118 | } |
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119 | catch (final OptionalParentParameterException e) { |
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120 | Sextante.addErrorToLog(e); |
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121 | } |
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122 | |||
123 | } |
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124 | |||
125 | } |