Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/DefaultHistogram.java @ 620:f668c881f45a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Reverted accidental patch. gnv-artifacts/trunk@691 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 16 Feb 2010 11:01:59 +0000
parents 3d13fa281a7e
children 65f09139e9b3
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
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
3 import java.util.Locale;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
4
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
5 import org.apache.log4j.Logger;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
6
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
7 import org.jfree.chart.ChartTheme;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
8 import org.jfree.chart.JFreeChart;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
9 import org.jfree.chart.axis.NumberAxis;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
10 import org.jfree.chart.plot.XYPlot;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
11 import org.jfree.chart.renderer.xy.XYBarRenderer;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
12
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
13 import org.jfree.data.general.Dataset;
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
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
17 /**
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
18 * @author Ingo Weinzierl (ingo.weinzierl@intevation.de)
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
19 */
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
20 public class DefaultHistogram
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
21 extends AbstractHistogram
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
22 {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
23 // TODO take a better default value
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
24 public static final int DEFAULT_BINS = 15;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
25
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
26 private static Logger logger = Logger.getLogger(DefaultHistogram.class);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
27
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
28
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
29 public DefaultHistogram(
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
30 ChartLabels labels, Object[] data, ChartTheme theme
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
31 ) {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
32 super(labels, data, theme);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
33 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
34
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
35
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
36 protected void applyDatasets() {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
37 XYPlot plot = (XYPlot) chart.getPlot();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
38
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
39 // prepare data and create add them to histogram dataset
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
40 String name = (String) data[0];
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
41 double[] values = toDouble((Double[]) data[1]);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
42
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
43 HistogramDataset dataset = new HistogramDataset();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
44 dataset.addSeries(name, values, DEFAULT_BINS);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
45
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
46 plot.setDataset(0, dataset);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
47 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
48
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
49
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
50 protected double[] toDouble(Double[] array) {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
51 int length = array.length;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
52 double[] values = new double[length];
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
53
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
54 for(int i = 0; i < length; i++) {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
55 values[i] = array[i].doubleValue();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
56 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
57
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
58 return values;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
59 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
60 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
61 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org