Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/exports/XYChartGenerator.java @ 652:8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
flys-artifacts/trunk@2047 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Fri, 03 Jun 2011 06:47:51 +0000 |
| parents | bab867fb37e8 |
| children | 67c7020f4ed3 |
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| 651:e6cecb661bff | 652:8fa4c5c9cd1a |
|---|---|
| 9 import org.apache.log4j.Logger; | 9 import org.apache.log4j.Logger; |
| 10 | 10 |
| 11 import org.jfree.chart.ChartFactory; | 11 import org.jfree.chart.ChartFactory; |
| 12 import org.jfree.chart.JFreeChart; | 12 import org.jfree.chart.JFreeChart; |
| 13 import org.jfree.chart.axis.NumberAxis; | 13 import org.jfree.chart.axis.NumberAxis; |
| 14 import org.jfree.chart.axis.ValueAxis; | |
| 14 import org.jfree.chart.plot.PlotOrientation; | 15 import org.jfree.chart.plot.PlotOrientation; |
| 15 import org.jfree.chart.plot.XYPlot; | 16 import org.jfree.chart.plot.XYPlot; |
| 17 import org.jfree.data.Range; | |
| 16 | 18 |
| 17 import de.intevation.flys.exports.ChartExportHelper; | 19 import de.intevation.flys.exports.ChartExportHelper; |
| 18 | 20 |
| 19 | 21 |
| 20 /** | 22 /** |
| 87 adjustPlot(plot); | 89 adjustPlot(plot); |
| 88 adjustAxes(plot); | 90 adjustAxes(plot); |
| 89 | 91 |
| 90 int[] size = getSize(); | 92 int[] size = getSize(); |
| 91 | 93 |
| 94 zoom(plot); | |
| 95 | |
| 92 ChartExportHelper.exportImage( | 96 ChartExportHelper.exportImage( |
| 93 out, | 97 out, |
| 94 chart, | 98 chart, |
| 95 "png", | 99 "png", |
| 96 size[0], size[1]); | 100 size[0], size[1]); |
| 101 } | |
| 102 | |
| 103 | |
| 104 protected void zoom(XYPlot plot) { | |
| 105 logger.debug("Zoom to specified ranges."); | |
| 106 | |
| 107 Range xrange = getDomainAxisRange(); | |
| 108 if (xrange != null) { | |
| 109 ValueAxis xaxis = plot.getDomainAxis(); | |
| 110 xaxis.setRange(xrange); | |
| 111 | |
| 112 logger.debug("Zoom chart to X: " + xrange); | |
| 113 } | |
| 114 | |
| 115 Range yrange = getValueAxisRange(); | |
| 116 if (yrange != null) { | |
| 117 ValueAxis yaxis = plot.getRangeAxis(); | |
| 118 yaxis.setRange(yrange); | |
| 119 | |
| 120 logger.debug("Zoom chart to Y: " + yrange); | |
| 121 } | |
| 97 } | 122 } |
| 98 | 123 |
| 99 | 124 |
| 100 /** | 125 /** |
| 101 * Adjusts the axes of a plot. | 126 * Adjusts the axes of a plot. |