Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/flowdepth/FlowDepthChartExtender.java @ 8937:8596f95673b1
Tkh theme should only be pressed to bottom if other themes are present
author | gernotbelger |
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date | Tue, 06 Mar 2018 17:08:51 +0100 |
parents | ffebc94cf679 |
children | 6b2496d71936 |
rev | line source |
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Flow-depth-axis and tkh-axis are now synchronized at 0. Show baseline for charts with tkhAxis
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1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde |
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Flow-depth-axis and tkh-axis are now synchronized at 0. Show baseline for charts with tkhAxis
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2 * Software engineering by |
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3 * Björnsen Beratende Ingenieure GmbH |
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt |
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5 * |
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6 * This file is Free Software under the GNU AGPL (>=v3) |
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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8 * documentation coming with Dive4Elements River for details. |
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9 */ |
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10 package org.dive4elements.river.artifacts.sinfo.flowdepth; |
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11 |
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12 import java.awt.BasicStroke; |
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13 import java.awt.Stroke; |
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14 |
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15 import org.dive4elements.river.exports.ChartExtender; |
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16 import org.dive4elements.river.exports.DiagramGenerator; |
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17 import org.jfree.chart.axis.ValueAxis; |
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18 import org.jfree.chart.plot.XYPlot; |
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19 |
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20 /** |
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21 * @author Gernot Belger |
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22 */ |
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23 public class FlowDepthChartExtender implements ChartExtender { |
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24 |
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25 private static final String TKH_AXIS = "tkhAxis"; |
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26 |
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27 private static final String FLOWDEPTH_AXIS = "flowdepthAxis"; |
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28 |
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29 @Override |
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30 public void beforeAutoZoom(final DiagramGenerator generator) { |
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31 final ValueAxis tkhAxis = generator.getAxis(TKH_AXIS); |
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32 if (tkhAxis != null) { |
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33 /* If tkh is not the only dataset, we push it to the bottom */ |
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34 final int numYAxes = generator.getNumYAxes(); |
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35 if (numYAxes > 1) |
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36 tkhAxis.setUpperMargin(4.0); |
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37 } |
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Tkh theme should only be pressed to bottom if other themes are present
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38 } |
8596f95673b1
Tkh theme should only be pressed to bottom if other themes are present
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39 |
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Flow-depth-axis and tkh-axis are now synchronized at 0. Show baseline for charts with tkhAxis
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40 /** |
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41 * Synchronizes the location of '0' on the flow-depth-axis with the tkh-axis, by extending the lower bound of the |
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Flow-depth-axis and tkh-axis are now synchronized at 0. Show baseline for charts with tkhAxis
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42 * flow-depth-axis. |
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Flow-depth-axis and tkh-axis are now synchronized at 0. Show baseline for charts with tkhAxis
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43 */ |
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44 @Override |
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45 public void afterAutoZoom(final DiagramGenerator generator) { |
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46 final ValueAxis axis1 = generator.getAxis(FLOWDEPTH_AXIS); |
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47 final ValueAxis axis2 = generator.getAxis(TKH_AXIS); |
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48 if (axis1 == null || axis2 == null) |
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49 return; |
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50 |
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51 final double axis2lb = axis2.getLowerBound(); |
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52 final double axis1ub = axis1.getUpperBound(); |
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53 final double axis2ub = axis2.getUpperBound(); |
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54 |
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55 final double ratio = axis2lb / (axis2ub - axis2lb); |
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56 final double axis1lbNew = axis1ub / (1 / ratio + 1); |
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57 |
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58 axis1.setLowerBound(axis1lbNew); |
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59 } |
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60 |
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61 @Override |
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62 public void afterGenerateChart(final DiagramGenerator generator, final XYPlot plot) { |
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63 final ValueAxis tkhAxis = generator.getAxis(TKH_AXIS); |
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64 if (tkhAxis != null) { |
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65 /* show baseline if tkhAxis is present */ |
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66 |
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67 // TODO: it would probably better to configure this via the ChartSettings, but currently no chart settings are loaded, |
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68 // so it is unclear if that feature still works. |
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69 final Stroke baselineStroke = new BasicStroke(2, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER); |
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70 plot.setRangeZeroBaselineStroke(baselineStroke); |
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71 plot.setRangeZeroBaselineVisible(true); |
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72 } |
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73 } |
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74 } |