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 @ 779:b1f5f2a8840f

Ordered imports. Removed needless imports. Removed empty headers. gnv-artifacts/trunk@854 c6561f87-3c4e-4783-a992-168aeb5c3f6f

author	Sascha L. Teichmann <sascha.teichmann@intevation.de>
date	Mon, 29 Mar 2010 08:51:20 +0000
parents	9a828e5a2390
children	22c18083225e

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;
779 b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 778 diff changeset	5
629 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.Locale;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	7 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	8
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	9 import org.apache.log4j.Logger;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	10
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	11 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	12
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	13 import org.jfree.chart.plot.XYPlot;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	14
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	15 import org.jfree.data.statistics.HistogramDataset;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	16
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	17 /**
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	18 * 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	19 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	20 * @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	21 */
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	22 public class DefaultHistogram
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	23 extends AbstractHistogram
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	24 {
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	25 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	26 * Default bin count.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	27 * 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	28 */
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	29 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	30
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	31 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	32 * 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	33 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	34 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	35
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	36 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	37 * 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	38 * #requestParameter}.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	39 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	40 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	41
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	42 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	43 * 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	44 * #requestParameter}.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	45 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	46 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	47
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	48 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	49 * 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	50 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	51 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	52
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	53 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	54 * 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	55 * #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	56 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	57 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	58
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	59 /**
778 9a828e5a2390 Removed trailing whitespace Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 767 diff changeset	60 * Default key to retrieve the object from {@link #requestParameter}. It
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	61 * 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	62 * 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	63 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	64 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	65
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	66 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	67 * 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	68 */
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	69 private static Logger logger = Logger.getLogger(DefaultHistogram.class);
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	70
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	71 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	72 * 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	73 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	74 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	75
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	76
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	77 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	78 * 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	79 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	80 * @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	81 * @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	82 * @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	83 * @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	84 */
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	85 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	86 ChartLabels labels, Object[] data, ChartTheme theme, Map requestParameter
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	87 ) {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	88 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	89 this.requestParameter = requestParameter;
617 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
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	92
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	93 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	94 * @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	95 */
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	96 @Override
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	97 protected void applyDatasets() {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	98 XYPlot plot = (XYPlot) chart.getPlot();
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	99
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	100 // prepare data and create add them to histogram dataset
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	101 String name = (String) data[0];
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	102 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	103 int bins = getBinCount(values);
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	104
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	105 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	106 dataset.addSeries(name, values, bins);
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	107
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	108 plot.setDataset(0, dataset);
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
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	111
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	112 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	113 * 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	114 * 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	115 * 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	116 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	117 * @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	118 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	119 * @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	120 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	121 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	122 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	123 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	124 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	125
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	126 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	127 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	128 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	129 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	130 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	131
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	132 return minmax;
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
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	135
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	136 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	137 * 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	138 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	139 * @param array Doube[]
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	140 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	141 * @return double[]
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	142 */
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	143 protected double[] toDouble(Double[] array) {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	144 int length = array.length;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	145 double[] values = new double[length];
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	146
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	147 for(int i = 0; i < length; i++) {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	148 values[i] = array[i].doubleValue();
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
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	151 return values;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	152 }
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	153
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	154
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	155 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	156 * 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	157 * 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	158 * {@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	159 * 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	160 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	161 * @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	162 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	163 * @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	164 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	165 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	166 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	167
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	168 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	169 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	170 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	171 else {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	172 return getBinCountByNumber();
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
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	176
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	177 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	178 * 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	179 * contains a valid <code>Integer</code> at
778 9a828e5a2390 Removed trailing whitespace Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 767 diff changeset	180 * <code>REQUEST_KEY_BIN_COUNT</code> and this is smaller than or equal
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	181 * {@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	182 * <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	183 * 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	184 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	185 * @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	186 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	187 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	188 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	189 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	190
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	191 try {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	192 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	193 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	194 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	195
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	196 return bins;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	197 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	198 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	199 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	200 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	201
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	202 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	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
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	206
767 79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	207 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	208 * 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	209 * 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	210 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	211 * @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	212 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 629 diff changeset	213 * @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	214 */
629 d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	215 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	216 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	217 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	218 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	219 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	220
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	221 try {
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	222 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	223 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	224 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	225 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	226
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	227 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	228 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	229 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	230 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	231 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	232 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	233 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	234 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	235 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	236 else {
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("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	238 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	239
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	240 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	241 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	242
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	243 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	244
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	245 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	246 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	247 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	248
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	249 return bins;
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	250 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	251 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	252 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	253 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	254
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	255 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	256 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	257 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	258 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	259 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	260
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	261 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	262 }
d08b9ba148c5 Implemented logic to adjust number of bins corresponding to user input. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	263 }
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	264 }
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	265 // 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 @ 779:b1f5f2a8840f