dive4elements/gnv-client: gnv-artifacts/src/main/java/de/intevation/gnv/chart/DefaultHistogram.java annotate

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/DefaultHistogram.java @ 773:5fb1ea68e19c

Avoid danger to get a NullPointerException if no time to live is served by CallContext. gnv-artifacts/trunk@832 c6561f87-3c4e-4783-a992-168aeb5c3f6f

author	Ingo Weinzierl <ingo.weinzierl@intevation.de>
date	Fri, 26 Mar 2010 09:55:28 +0000
parents	79401c871da4
children	9a828e5a2390

rev	line source
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	1 package de.intevation.gnv.chart;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	2
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	3 import java.text.NumberFormat;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	4 import java.text.ParseException;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	5 import java.util.Locale;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	6 import java.util.Map;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	7
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	8 import org.apache.log4j.Logger;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	9
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	10 import org.jfree.chart.ChartTheme;
623 65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	11
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	12 import org.jfree.chart.plot.XYPlot;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	13
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	14 import org.jfree.data.statistics.HistogramDataset;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	15
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	16 /**
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	17 * Default implementation of {@link de.intevation.gnv.chart.AbstractHistogram}.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	18 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	19 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	20 */
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	21 public class DefaultHistogram
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	22 extends AbstractHistogram
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	23 {
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	24 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	25 * Default bin count.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	26 * TODO find a better default value
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	27 */
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	28 public static final int DEFAULT_BINS = 15;
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	29
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	30 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	31 * Constant field for limitating the number of bin in a single histogram.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	32 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	33 public static final int MAXIMAL_BINS = 20;
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	34
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	35 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	36 * Default key to retrieve the number of bins from {@link
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	37 * #requestParameter}.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	38 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	39 public static final String REQUEST_KEY_BIN_COUNT = "bincount";
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	40
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	41 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	42 * Default key to retrieve the width of a single bin from {@link
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	43 * #requestParameter}.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	44 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	45 public static final String REQUEST_KEY_BIN_WIDTH = "binwidth";
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	46
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	47 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	48 * Default key to retrieve the chart width from {@link #requestParameter}.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	49 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	50 public static final String REQUEST_KEY_CHART_WIDTH = "width";
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	51
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	52 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	53 * Default key to retrieve the <code>Locale</code> object from {@link
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	54 * #requestParameter} used for i18n support.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	55 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	56 public static final String REQUEST_KEY_LOCALE = "locale";
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	57
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	58 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	59 * Default key to retrieve the object from {@link #requestParameter}. It
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	60 * defines which value this chart has to be used for bin calculation. You
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	61 * can either adjust the number of bins or the width of a single bin.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	62 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	63 public static final String REQUEST_KEY_BIN_CHOICE = "bintype";
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	64
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	65 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	66 * Logger used for logging with log4j.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	67 */
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	68 private static Logger logger = Logger.getLogger(DefaultHistogram.class);
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	69
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	70 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	71 * Object storing some further parameter used for chart settings.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	72 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	73 protected Map requestParameter;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	74
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	75
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	76 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	77 * Constructor to create DefaultHistogram objects.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	78 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	79 * @param labels Labels to decorate this chart.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	80 * @param data Raw data to be displayed in histogram.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	81 * @param theme Theme used to adjust the chart look.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	82 * @param requestParameter Object which serves some further settings.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	83 */
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	84 public DefaultHistogram(
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	85 ChartLabels labels, Object[] data, ChartTheme theme, Map requestParameter
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	86 ) {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	87 super(labels, data, theme);
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	88 this.requestParameter = requestParameter;
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	89 }
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	90
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	91
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	92 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	93 * @see de.intevation.gnv.chart.AbstractHistogram#applyDatasets()
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	94 */
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	95 @Override
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	96 protected void applyDatasets() {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	97 XYPlot plot = (XYPlot) chart.getPlot();
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	98
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	99 // prepare data and create add them to histogram dataset
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	100 String name = (String) data[0];
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	101 double[] values = toDouble((Double[]) data[1]);
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	102 int bins = getBinCount(values);
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	103
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	104 HistogramDataset dataset = new HistogramDataset();
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	105 dataset.addSeries(name, values, bins);
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	106
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	107 plot.setDataset(0, dataset);
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	108 }
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	109
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	110
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	111 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	112 * Method which scans the hole bunch of values and returns an array with
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	113 * contains min and max value. Min value is stored at position 0, max value
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	114 * is stored at position 1 in that array.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	115 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	116 * @param values Array which contains all values
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	117 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	118 * @return Array which contains min and max value
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	119 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	120 protected double[] getMinMax(double[] values) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	121 double[] minmax = new double[2];
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	122 minmax[0] = Double.MAX_VALUE;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	123 minmax[1] = Double.MIN_VALUE;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	124
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	125 int length = values.length;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	126 for (int i = 0; i < length; i++) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	127 minmax[0] = values[i] < minmax[0] ? values[i] : minmax[0];
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	128 minmax[1] = values[i] > minmax[1] ? values[i] : minmax[1];
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	129 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	130
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	131 return minmax;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	132 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	133
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	134
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	135 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	136 * Turn a Double[] into a double[].
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	137 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	138 * @param array Doube[]
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	139 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	140 * @return double[]
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	141 */
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	142 protected double[] toDouble(Double[] array) {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	143 int length = array.length;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	144 double[] values = new double[length];
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	145
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	146 for(int i = 0; i < length; i++) {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	147 values[i] = array[i].doubleValue();
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	148 }
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	149
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	150 return values;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	151 }
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	152
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	153
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	154 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	155 * Method to calculate the number of bins this chart should be parted into.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	156 * The real calculation takes place in {@link #getBinCountByNumber} and
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	157 * {@link #getBinCountByWidth}. This method switches between these methods
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	158 * depending on the object stored in {@link #requestParameter}.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	159 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	160 * @param values All values used in this histogram
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	161 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	162 * @return Number of bins
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	163 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	164 protected int getBinCount(double[] values) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	165 String param = (String) requestParameter.get(REQUEST_KEY_BIN_CHOICE);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	166
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	167 if (param != null && param.equalsIgnoreCase(REQUEST_KEY_BIN_WIDTH)) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	168 return getBinCountByWidth(values);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	169 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	170 else {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	171 return getBinCountByNumber();
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	172 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	173 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	174
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	175
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	176 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	177 * Method to retrieve the number of bins. If {@link #requestParameter}
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	178 * contains a valid <code>Integer</code> at
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	179 * <code>REQUEST_KEY_BIN_COUNT</code> and this is smaller than or equal
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	180 * {@link #MAXIMAL_BINS}, this value is used. If no valid
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	181 * <code>Integer</code> is given or if the value in {@link #requestParameter}
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	182 * is bigger than {@link #MAXIMAL_BINS}, {@link #DEFAULT_BINS} is used.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	183 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	184 * @return Number of bins
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	185 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	186 protected int getBinCountByNumber() {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	187 int bins = -1;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	188 String param = (String) requestParameter.get(REQUEST_KEY_BIN_COUNT);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	189
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	190 try {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	191 bins = Integer.parseInt(param);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	192 bins = bins <= 0 ? DEFAULT_BINS : bins;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	193 bins = bins > MAXIMAL_BINS ? MAXIMAL_BINS : bins;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	194
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	195 return bins;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	196 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	197 catch (NumberFormatException nfe) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	198 logger.warn("Invalid number of bins for histogram chart: " + param);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	199 logger.warn("Return default bins: " + DEFAULT_BINS);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	200
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	201 return DEFAULT_BINS;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	202 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	203 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	204
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	205
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	206 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	207 * Serves the number of bins depending on a given width for each bin, but
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	208 * maximum bin count is limited by {@link MAXIMAL_BINS}.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	209 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	210 * @param values All values in this histogram
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	211 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	212 * @return Number of bins
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	213 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	214 protected int getBinCountByWidth(double[] values) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	215 int bins = -1;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	216 String param = (String) requestParameter.get(REQUEST_KEY_BIN_WIDTH);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	217 Locale locale = (Locale) requestParameter.get(REQUEST_KEY_LOCALE);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	218 NumberFormat format = NumberFormat.getInstance(locale);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	219
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	220 try {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	221 double[] minmax = getMinMax(values);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	222 double totalWidth = minmax[1] - minmax[0];
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	223 Number number = format.parse(param);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	224 double binWidth = -1d;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	225
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	226 if (number instanceof Double) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	227 binWidth = ((Double) number).doubleValue();
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	228 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	229 else if (number instanceof Long) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	230 binWidth = ((Long) number).doubleValue();
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	231 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	232 else if (number instanceof Integer) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	233 binWidth = ((Integer) number).doubleValue();
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	234 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	235 else {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	236 logger.warn("Invalid bin width for histogram chart: " + param);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	237 logger.warn("Return default bins: " + DEFAULT_BINS);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	238
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	239 return DEFAULT_BINS;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	240 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	241
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	242 double tmpBins = totalWidth / binWidth;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	243
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	244 bins = (int) Math.round(tmpBins);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	245 bins = bins <= 0 ? DEFAULT_BINS : bins;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	246 bins = bins > MAXIMAL_BINS ? MAXIMAL_BINS : bins;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	247
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	248 return bins;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	249 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	250 catch (ParseException pe) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	251 logger.warn("Invalid bin width for histogram chart: " + param);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	252 logger.warn("Return default bins: " + DEFAULT_BINS);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	253
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	254 return DEFAULT_BINS;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	255 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	256 catch (NumberFormatException nfe) {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	257 logger.warn("Invalid bin width for histogram chart: " + param);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	258 logger.warn("Return default bins: " + DEFAULT_BINS);
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	259
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	260 return DEFAULT_BINS;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	261 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	262 }
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	263 }
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	264 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :

Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/DefaultHistogram.java @ 773:5fb1ea68e19c