Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/exports/LongitudinalSectionGenerator.java @ 720:d60cc6453d45
#161 Include the 0 on the second y axis (the Q axis) in longitudinal section charts intially.
flys-artifacts/trunk@2194 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Wed, 22 Jun 2011 06:51:36 +0000 |
| parents | 035c0095b427 |
| children | 56d70e546800 |
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| 719:035c0095b427 | 720:d60cc6453d45 |
|---|---|
| 8 import org.jfree.chart.axis.NumberAxis; | 8 import org.jfree.chart.axis.NumberAxis; |
| 9 import org.jfree.chart.axis.ValueAxis; | 9 import org.jfree.chart.axis.ValueAxis; |
| 10 import org.jfree.chart.plot.XYPlot; | 10 import org.jfree.chart.plot.XYPlot; |
| 11 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; | 11 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; |
| 12 import org.jfree.chart.title.TextTitle; | 12 import org.jfree.chart.title.TextTitle; |
| 13 import org.jfree.data.Range; | |
| 13 import org.jfree.data.xy.XYSeries; | 14 import org.jfree.data.xy.XYSeries; |
| 14 import org.jfree.data.xy.XYSeriesCollection; | 15 import org.jfree.data.xy.XYSeriesCollection; |
| 15 | 16 |
| 16 import org.w3c.dom.Document; | 17 import org.w3c.dom.Document; |
| 17 | 18 |
| 157 invertXAxis(plot.getDomainAxis()); | 158 invertXAxis(plot.getDomainAxis()); |
| 158 } | 159 } |
| 159 | 160 |
| 160 | 161 |
| 161 /** | 162 /** |
| 163 * This method overrides the XYChartGenerators zoomY method to include the 0 | |
| 164 * value on the Q axis. | |
| 165 */ | |
| 166 @Override | |
| 167 protected boolean zoomY(XYPlot plot, ValueAxis axis, Range range, Range x) { | |
| 168 boolean zoomin = super.zoomY(plot, axis, range, x); | |
| 169 | |
| 170 // we want the Q axis to start at 0 if no zooming has been done | |
| 171 if (!zoomin && plot.getRangeAxisIndex(axis) == 1) { | |
| 172 axis.setLowerBound(0d); | |
| 173 } | |
| 174 | |
| 175 return zoomin; | |
| 176 } | |
| 177 | |
| 178 | |
| 179 /** | |
| 162 * This method inverts the x-axis based on the kilometer information of the | 180 * This method inverts the x-axis based on the kilometer information of the |
| 163 * selected river. If the head of the river is at kilometer 0, the axis is | 181 * selected river. If the head of the river is at kilometer 0, the axis is |
| 164 * not inverted, otherwise it is. | 182 * not inverted, otherwise it is. |
| 165 * | 183 * |
| 166 * @param xaxis The domain axis. | 184 * @param xaxis The domain axis. |