Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/ChartHelper.java @ 2240:e9173de1026c

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The HistoricalDischargeCurveGenerator now creates new AxisDataset objects and new TimeSeriesCollections for each Facet. flys-artifacts/trunk@3887 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 02 Feb 2012 16:39:50 +0000
parents 60615235e951
children 2b232871ba28
rev   line source
2237
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.exports;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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2
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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3 import org.jfree.data.Range;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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4 import org.jfree.data.xy.XYDataset;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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5
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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6
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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7 /**
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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8 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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9 */
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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10 public class ChartHelper {
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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11
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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12 /**
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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13 * This method returns the ranges of the XYDataset <i>dataset</i> as array
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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14 * with [xrange, yrange].
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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15 *
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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16 * @param dataset The dataset which should be evaluated.
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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17 *
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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18 * @return an array with x and y ranges.
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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19 */
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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20 public static Range[] getRanges(XYDataset dataset) {
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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21 if (dataset == null) {
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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22 return null;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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23 }
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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24
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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25 double minX = Double.MAX_VALUE;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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26 double maxX = -Double.MAX_VALUE;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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27 double minY = Double.MAX_VALUE;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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28 double maxY = -Double.MAX_VALUE;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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29
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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30 for (int i = 0, m = dataset.getSeriesCount(); i < m; i++) {
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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31 for (int j = 0, n = dataset.getItemCount(i); j < n; j++) {
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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32 double x = dataset.getXValue(i, j);
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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33 double y = dataset.getYValue(i, j);
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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34
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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35 if (x < minX) {
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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36 minX = x;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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37 }
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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38
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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39 if (x > maxX) {
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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40 maxX = x;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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41 }
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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42
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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43 if (y < minY) {
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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44 minY = y;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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45 }
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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46
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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47 if (y > maxY) {
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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48 maxY = y;
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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49 }
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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50 }
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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51 }
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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52
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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53 return new Range[] { new Range(minX, maxX), new Range(minY, maxY) };
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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54 }
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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55 }
60615235e951 Added a ChartHelper class that currently contains a method to compute the xy ranges of an XYDataset.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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56 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org