Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/DischargeGenerator.java @ 9123:1cc7653ca84f

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Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
author gernotbelger
date Tue, 05 Jun 2018 19:21:16 +0200
parents e6d0fc817e20
children ef5754ba5573
rev   line source
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1 /* Copyright (C) 2014 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8 package org.dive4elements.river.exports;
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9
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10 import java.awt.Font;
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11
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12 import org.apache.log4j.Logger;
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13 import org.dive4elements.river.artifacts.resources.Resources;
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14 import org.dive4elements.river.exports.injector.InjectorConstants;
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15 import org.dive4elements.river.jfree.AxisDataset;
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16 import org.dive4elements.river.jfree.DoubleBounds;
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17
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18 import org.jfree.chart.axis.NumberAxis;
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19 import org.jfree.chart.axis.ValueAxis;
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20 import org.jfree.chart.plot.XYPlot;
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21 import org.jfree.data.Range;
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22
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23 public class DischargeGenerator
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24 extends DiagramGenerator
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25 implements InjectorConstants
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26 {
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27 private static Logger log = Logger.getLogger(DischargeGenerator.class);
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28
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29 private String I18N_AXIS_LABEL = "chart.discharge.curve.yaxis.cm.label";
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30
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31 private int wAxisIndex;
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32 private int wInCmAxisIndex;
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33 double pnpValue;
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34
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35 public DischargeGenerator() {
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36 }
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37
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38 @Override
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39 public void addDatasets(XYPlot plot) {
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40 super.addDatasets(plot);
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41
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42 Object pnp = getContext().getContextValue(PNP);
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43 if (!(pnp instanceof Number)) {
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44 return;
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45 }
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46
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47 pnpValue = ((Number)pnp).doubleValue();
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48
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49 wAxisIndex = diagramAttributes.getAxisIndex("W");
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50 if (wAxisIndex == -1) {
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51 log.warn("No W axis found.");
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52 return;
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53 }
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54
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55 AxisDataset data = getDatasets().get(wAxisIndex);
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56 if (data == null) {
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57 // No W axis
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58 return;
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59 }
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60
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61 if (data.getRange() == null) {
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62 // No active datasets
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63 return;
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64 }
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65
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66 Range axisRange = inCm(
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67 plot.getRangeAxis(wAxisIndex).getRange(),
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68 pnpValue
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69 );
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70 Range dataRange = inCm(data.getRange(), pnpValue);
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71
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72 // Do we have an index for W in cm?
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73 NumberAxis wInCmAxis = createWinCMAxis(wAxisIndex);
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74 wInCmAxis.setRange(axisRange);
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75
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76 wInCmAxisIndex = plot.getRangeAxisCount();
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77 plot.setRangeAxis(wInCmAxisIndex, wInCmAxis);
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78 combineYBounds(new DoubleBounds(dataRange), wInCmAxisIndex);
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79 }
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80
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81 private static Range inCm(Range r, double pnpValue) {
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82 double l = r.getLowerBound();
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83 double u = r.getUpperBound();
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84 l = (l - pnpValue)*100d;
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85 u = (u - pnpValue)*100d;
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86 return new Range(l, u);
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87 }
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88
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89 private NumberAxis createWinCMAxis(int wAxisIndex) {
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90
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91 Font labelFont = new Font(
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92 DEFAULT_FONT_NAME,
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93 Font.BOLD,
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94 getYAxisFontSize(wAxisIndex));
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95
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96 String axisName = "W.in.cm";
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97 String axisLabel = msg( I18N_AXIS_LABEL, "W [cm]" );
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98
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99 IdentifiableNumberAxis axis = new IdentifiableNumberAxis(
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100 axisName, axisLabel);
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101
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102 axis.setAutoRangeIncludesZero(false);
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103 axis.setLabelFont(labelFont);
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104 axis.setTickLabelFont(labelFont);
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105
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106 return axis;
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107 }
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108
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109 /** We need to override this to keep both axis synced. */
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110 @Override
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111 protected void autoZoom(XYPlot plot) {
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112 super.autoZoom(plot);
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113
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114 ValueAxis wAxis = plot.getRangeAxis(wAxisIndex);
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115 if (wAxis instanceof IdentifiableNumberAxis) {
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116 IdentifiableNumberAxis idA = (IdentifiableNumberAxis)wAxis;
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117 Range fixedRange = getRangeForAxisFromSettings(idA.getId());
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118 if (fixedRange == null) {
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119 return;
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120 }
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121
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122 log.debug("Adjusting helper centimeter axis to fixed range.");
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123 Range adjustedRange = inCm(
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124 fixedRange,
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125 pnpValue
e6d0fc817e20 (issue1798) Handle the case when there are no data in the diagram.
Tom Gottfried <tom@intevation.de>
parents: 8571
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126 );
e6d0fc817e20 (issue1798) Handle the case when there are no data in the diagram.
Tom Gottfried <tom@intevation.de>
parents: 8571
diff changeset
127 IdentifiableNumberAxis wInCmAxis=
e6d0fc817e20 (issue1798) Handle the case when there are no data in the diagram.
Tom Gottfried <tom@intevation.de>
parents: 8571
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128 (IdentifiableNumberAxis) plot.getRangeAxis(wInCmAxisIndex);
e6d0fc817e20 (issue1798) Handle the case when there are no data in the diagram.
Tom Gottfried <tom@intevation.de>
parents: 8571
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129 wInCmAxis.setRange(adjustedRange);
8571
bc803f4b6784 (issue1798) Adjust WinCM according to W in NHN axis on explicit zoom
Andre Heinecke <andre.heinecke@intevation.de>
parents: 8353
diff changeset
130 }
bc803f4b6784 (issue1798) Adjust WinCM according to W in NHN axis on explicit zoom
Andre Heinecke <andre.heinecke@intevation.de>
parents: 8353
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131 }
8165
cfb3a4d0c637 Added new diagramm generator for Q symmetry.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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132 }
cfb3a4d0c637 Added new diagramm generator for Q symmetry.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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133 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org