optimization updates
[debian/openrocket] / src / net / sf / openrocket / gui / dialogs / optimization / OptimizationPlotDialog.java
1 package net.sf.openrocket.gui.dialogs.optimization;
2
3 import java.awt.Color;
4 import java.awt.Paint;
5 import java.awt.Window;
6 import java.awt.event.ActionEvent;
7 import java.awt.event.ActionListener;
8 import java.util.ArrayList;
9 import java.util.Iterator;
10 import java.util.List;
11 import java.util.Map;
12
13 import javax.swing.BorderFactory;
14 import javax.swing.JButton;
15 import javax.swing.JDialog;
16 import javax.swing.JLabel;
17 import javax.swing.JPanel;
18
19 import net.miginfocom.swing.MigLayout;
20 import net.sf.openrocket.gui.components.StyledLabel;
21 import net.sf.openrocket.l10n.Translator;
22 import net.sf.openrocket.logging.LogHelper;
23 import net.sf.openrocket.optimization.general.Point;
24 import net.sf.openrocket.optimization.rocketoptimization.OptimizableParameter;
25 import net.sf.openrocket.optimization.rocketoptimization.SimulationModifier;
26 import net.sf.openrocket.startup.Application;
27 import net.sf.openrocket.unit.Unit;
28 import net.sf.openrocket.unit.UnitGroup;
29 import net.sf.openrocket.unit.Value;
30 import net.sf.openrocket.util.GUIUtil;
31 import net.sf.openrocket.util.LinearInterpolator;
32 import net.sf.openrocket.util.MathUtil;
33
34 import org.jfree.chart.ChartFactory;
35 import org.jfree.chart.ChartPanel;
36 import org.jfree.chart.JFreeChart;
37 import org.jfree.chart.annotations.XYBoxAnnotation;
38 import org.jfree.chart.annotations.XYLineAnnotation;
39 import org.jfree.chart.annotations.XYPointerAnnotation;
40 import org.jfree.chart.axis.AxisLocation;
41 import org.jfree.chart.axis.NumberAxis;
42 import org.jfree.chart.labels.CustomXYToolTipGenerator;
43 import org.jfree.chart.plot.PlotOrientation;
44 import org.jfree.chart.plot.XYPlot;
45 import org.jfree.chart.renderer.PaintScale;
46 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
47 import org.jfree.chart.renderer.xy.XYShapeRenderer;
48 import org.jfree.chart.title.PaintScaleLegend;
49 import org.jfree.data.xy.DefaultXYZDataset;
50 import org.jfree.data.xy.XYSeries;
51 import org.jfree.data.xy.XYSeriesCollection;
52 import org.jfree.ui.RectangleEdge;
53 import org.jfree.ui.TextAnchor;
54
55 /**
56  * A class that plots the path of an optimization.
57  * 
58  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
59  */
60 public class OptimizationPlotDialog extends JDialog {
61         private static final LogHelper log = Application.getLogger();
62         private static final Translator trans = Application.getTranslator();
63         
64
65         private static final LinearInterpolator RED = new LinearInterpolator(
66                         new double[] { 0.0, 1.0 }, new double[] { 0.0, 1.0 }
67                         );
68         private static final LinearInterpolator GREEN = new LinearInterpolator(
69                         new double[] { 0.0, 1.0 }, new double[] { 0.0, 0.0 }
70                         );
71         private static final LinearInterpolator BLUE = new LinearInterpolator(
72                         new double[] { 0.0, 1.0 }, new double[] { 1.0, 0.0 }
73                         );
74         
75         private static final Color OUT_OF_DOMAIN_COLOR = Color.BLACK;
76         
77         private static final Color PATH_COLOR = new Color(220, 0, 0);
78         
79         
80         public OptimizationPlotDialog(List<Point> path, Map<Point, FunctionEvaluationData> evaluations,
81                         List<SimulationModifier> modifiers, OptimizableParameter parameter, UnitGroup stabilityUnit, Window parent) {
82                 super(parent, trans.get("title"), ModalityType.APPLICATION_MODAL);
83                 
84
85                 JPanel panel = new JPanel(new MigLayout("fill"));
86                 
87                 ChartPanel chart;
88                 if (modifiers.size() == 1) {
89                         chart = create1DPlot(path, evaluations, modifiers, parameter, stabilityUnit);
90                 } else if (modifiers.size() == 2) {
91                         chart = create2DPlot(path, evaluations, modifiers, parameter, stabilityUnit);
92                 } else {
93                         throw new IllegalArgumentException("Invalid dimensionality, dim=" + modifiers.size());
94                 }
95                 chart.setBorder(BorderFactory.createLineBorder(Color.BLACK));
96                 panel.add(chart, "span, grow, wrap para");
97                 
98
99                 JLabel label = new StyledLabel(trans.get("lbl.zoomInstructions"), -2);
100                 panel.add(label, "");
101                 
102
103                 JButton close = new JButton(trans.get("button.close"));
104                 close.addActionListener(new ActionListener() {
105                         @Override
106                         public void actionPerformed(ActionEvent e) {
107                                 OptimizationPlotDialog.this.setVisible(false);
108                         }
109                 });
110                 panel.add(close, "right");
111                 
112
113                 this.add(panel);
114                 
115                 GUIUtil.setDisposableDialogOptions(this, close);
116         }
117         
118         
119
120         /**
121          * Create a 1D plot of the optimization path.
122          */
123         private ChartPanel create1DPlot(List<Point> path, Map<Point, FunctionEvaluationData> evaluations,
124                         List<SimulationModifier> modifiers, OptimizableParameter parameter, UnitGroup stabilityUnit) {
125                 
126                 SimulationModifier modX = modifiers.get(0);
127                 Unit xUnit = modX.getUnitGroup().getDefaultUnit();
128                 Unit yUnit = parameter.getUnitGroup().getDefaultUnit();
129                 
130                 // Create the optimization path (with autosort)
131                 XYSeries series = new XYSeries(trans.get("plot1d.series"), true, true);
132                 List<String> tooltips = new ArrayList<String>();
133                 for (Point p : evaluations.keySet()) {
134                         FunctionEvaluationData data = evaluations.get(p);
135                         if (data != null) {
136                                 if (data.getParameterValue() != null) {
137                                         Value[] state = data.getState();
138                                         series.add(xUnit.toUnit(state[0].getValue()), yUnit.toUnit(data.getParameterValue().getValue()));
139                                         tooltips.add(getTooltip(data, parameter));
140                                 }
141                         } else {
142                                 log.error("Could not find evaluation data for point " + p);
143                         }
144                 }
145                 
146
147                 String xLabel = modX.getRelatedObject().toString() + ": " + modX.getName() + " / " + xUnit.getUnit();
148                 String yLabel = parameter.getName() + " / " + yUnit.getUnit();
149                 
150                 JFreeChart chart = ChartFactory.createXYLineChart(
151                                 trans.get("plot1d.title"),
152                                 xLabel,
153                                 yLabel,
154                                 null,
155                                 PlotOrientation.VERTICAL,
156                                 false, // Legend
157                                 true, // Tooltips
158                                 false); // Urls
159                 
160
161                 // Set the scale of the plot to the limits
162                 double x1 = xUnit.toUnit(modX.getMinValue());
163                 double x2 = xUnit.toUnit(modX.getMaxValue());
164                 
165                 chart.getXYPlot().getDomainAxis().setRange(x1, x2);
166                 
167                 // Add lines to show optimization limits
168                 XYLineAnnotation line = new XYLineAnnotation(x1, -1e19, x1, 1e19);
169                 chart.getXYPlot().addAnnotation(line);
170                 line = new XYLineAnnotation(x2, -1e19, x2, 1e19);
171                 chart.getXYPlot().addAnnotation(line);
172                 
173                 // Mark the optimum point
174                 Point optimum = path.get(path.size() - 1);
175                 FunctionEvaluationData data = evaluations.get(optimum);
176                 if (data != null) {
177                         if (data.getParameterValue() != null) {
178                                 Value[] state = data.getState();
179                                 double x = xUnit.toUnit(state[0].getValue());
180                                 double y = yUnit.toUnit(data.getParameterValue().getValue());
181                                 
182                                 XYPointerAnnotation text = new XYPointerAnnotation(trans.get("plot.label.optimum"),
183                                                 x, y, Math.PI / 2);
184                                 text.setTextAnchor(TextAnchor.TOP_LEFT);
185                                 chart.getXYPlot().addAnnotation(text);
186                         }
187                 } else {
188                         log.error("Could not find evaluation data for point " + optimum);
189                 }
190                 
191
192                 XYLineAndShapeRenderer lineRenderer = new XYLineAndShapeRenderer(true, true);
193                 lineRenderer.setBaseShapesVisible(true);
194                 lineRenderer.setSeriesShapesFilled(0, false);
195                 //lineRenderer.setSeriesShape(0, shapeRenderer.getBaseShape());
196                 lineRenderer.setSeriesOutlinePaint(0, PATH_COLOR);
197                 lineRenderer.setSeriesPaint(0, PATH_COLOR);
198                 lineRenderer.setUseOutlinePaint(true);
199                 CustomXYToolTipGenerator tooltipGenerator = new CustomXYToolTipGenerator();
200                 tooltipGenerator.addToolTipSeries(tooltips);
201                 lineRenderer.setBaseToolTipGenerator(tooltipGenerator);
202                 
203                 XYPlot plot = chart.getXYPlot();
204                 
205                 plot.setDataset(0, new XYSeriesCollection(series));
206                 plot.setRenderer(lineRenderer);
207                 
208
209
210                 return new ChartPanel(chart);
211         }
212         
213         /**
214          * Create a 2D plot of the optimization path.
215          */
216         private ChartPanel create2DPlot(List<Point> path, Map<Point, FunctionEvaluationData> evaluations,
217                         List<SimulationModifier> modifiers, OptimizableParameter parameter, UnitGroup stabilityUnit) {
218                 
219                 Unit parameterUnit = parameter.getUnitGroup().getDefaultUnit();
220                 
221                 SimulationModifier modX = modifiers.get(0);
222                 SimulationModifier modY = modifiers.get(1);
223                 
224                 Unit xUnit = modX.getUnitGroup().getDefaultUnit();
225                 Unit yUnit = modY.getUnitGroup().getDefaultUnit();
226                 
227                 // Create the optimization path dataset
228                 XYSeries pathSeries = new XYSeries(trans.get("plot2d.path"), false, true);
229                 List<String> pathTooltips = new ArrayList<String>();
230                 for (Point p : path) {
231                         FunctionEvaluationData data = evaluations.get(p);
232                         if (data != null) {
233                                 Value[] state = data.getState();
234                                 pathSeries.add(xUnit.toUnit(state[0].getValue()), yUnit.toUnit(state[1].getValue()));
235                                 pathTooltips.add(getTooltip(data, parameter));
236                         } else {
237                                 log.error("Could not find evaluation data for point " + p);
238                         }
239                 }
240                 
241
242                 // Create evaluations dataset
243                 double min = Double.POSITIVE_INFINITY;
244                 double max = Double.NEGATIVE_INFINITY;
245                 double[][] evals = new double[3][evaluations.size()];
246                 List<String> evalTooltips = new ArrayList<String>();
247                 
248                 Iterator<FunctionEvaluationData> iterator = evaluations.values().iterator();
249                 for (int i = 0; i < evaluations.size(); i++) {
250                         FunctionEvaluationData data = iterator.next();
251                         Value param = data.getParameterValue();
252                         double value;
253                         if (param != null) {
254                                 value = parameterUnit.toUnit(data.getParameterValue().getValue());
255                         } else {
256                                 value = Double.NaN;
257                         }
258                         
259                         Value[] state = data.getState();
260                         evals[0][i] = xUnit.toUnit(state[0].getValue());
261                         evals[1][i] = yUnit.toUnit(state[1].getValue());
262                         evals[2][i] = value;
263                         
264                         if (value < min) {
265                                 min = value;
266                         }
267                         if (value > max) {
268                                 max = value;
269                         }
270                         
271                         evalTooltips.add(getTooltip(data, parameter));
272                 }
273                 DefaultXYZDataset evalDataset = new DefaultXYZDataset();
274                 evalDataset.addSeries(trans.get("plot2d.evals"), evals);
275                 
276
277
278                 String xLabel = modX.getRelatedObject().toString() + ": " + modX.getName() + " / " + xUnit.getUnit();
279                 String yLabel = modY.getRelatedObject().toString() + ": " + modY.getName() + " / " + yUnit.getUnit();
280                 
281                 JFreeChart chart = ChartFactory.createXYLineChart(
282                                 trans.get("plot2d.title"),
283                                 xLabel,
284                                 yLabel,
285                                 null,
286                                 //evalDataset,
287                                 PlotOrientation.VERTICAL,
288                                 true, // Legend
289                                 true, // Tooltips
290                                 false); // Urls
291                 
292
293                 // Set the scale of the plot to the limits
294                 double x1 = xUnit.toUnit(modX.getMinValue());
295                 double x2 = xUnit.toUnit(modX.getMaxValue());
296                 double y1 = yUnit.toUnit(modY.getMinValue());
297                 double y2 = yUnit.toUnit(modY.getMaxValue());
298                 
299                 chart.getXYPlot().getDomainAxis().setRange(x1, x2);
300                 chart.getXYPlot().getRangeAxis().setRange(y1, y2);
301                 
302                 XYBoxAnnotation box = new XYBoxAnnotation(x1, y1, x2, y2);
303                 chart.getXYPlot().addAnnotation(box);
304                 
305                 int n = pathSeries.getItemCount();
306                 XYPointerAnnotation text = new XYPointerAnnotation(trans.get("plot.label.optimum"),
307                                 (Double) pathSeries.getX(n - 1), (Double) pathSeries.getY(n - 1), -Math.PI / 5);
308                 text.setTextAnchor(TextAnchor.BASELINE_LEFT);
309                 chart.getXYPlot().addAnnotation(text);
310                 
311                 PaintScale paintScale = new GradientScale(min, max);
312                 
313                 XYShapeRenderer shapeRenderer = new XYShapeRenderer();
314                 shapeRenderer.setPaintScale(paintScale);
315                 shapeRenderer.setUseFillPaint(true);
316                 CustomXYToolTipGenerator tooltipGenerator = new CustomXYToolTipGenerator();
317                 tooltipGenerator.addToolTipSeries(evalTooltips);
318                 shapeRenderer.setBaseToolTipGenerator(tooltipGenerator);
319                 
320
321                 shapeRenderer.getLegendItem(0, 0);
322                 
323
324                 XYLineAndShapeRenderer lineRenderer = new XYLineAndShapeRenderer(true, true);
325                 lineRenderer.setBaseShapesVisible(true);
326                 lineRenderer.setSeriesShapesFilled(0, false);
327                 lineRenderer.setSeriesShape(0, shapeRenderer.getBaseShape());
328                 lineRenderer.setSeriesOutlinePaint(0, PATH_COLOR);
329                 lineRenderer.setSeriesPaint(0, PATH_COLOR);
330                 lineRenderer.setUseOutlinePaint(true);
331                 tooltipGenerator = new CustomXYToolTipGenerator();
332                 tooltipGenerator.addToolTipSeries(pathTooltips);
333                 lineRenderer.setBaseToolTipGenerator(tooltipGenerator);
334                 
335
336                 XYPlot plot = chart.getXYPlot();
337                 
338                 plot.setDataset(0, new XYSeriesCollection(pathSeries));
339                 plot.setRenderer(lineRenderer);
340                 
341                 plot.setDataset(1, evalDataset);
342                 plot.setRenderer(1, shapeRenderer);
343                 
344
345                 // Add value scale
346                 NumberAxis numberAxis = new NumberAxis(parameter.getName() + " / " + parameterUnit.getUnit());
347                 PaintScaleLegend scale = new PaintScaleLegend(paintScale, numberAxis);
348                 scale.setPosition(RectangleEdge.RIGHT);
349                 scale.setMargin(4.0D, 4.0D, 40.0D, 4.0D);
350                 scale.setAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
351                 chart.addSubtitle(scale);
352                 
353
354                 return new ChartPanel(chart);
355         }
356         
357         
358
359         private String getTooltip(FunctionEvaluationData data, OptimizableParameter parameter) {
360                 String ttip = "<html>";
361                 if (data.getParameterValue() != null) {
362                         ttip += parameter.getName() + ": " +
363                                         parameter.getUnitGroup().getDefaultUnit().toStringUnit(data.getParameterValue().getValue());
364                         ttip += "<br>";
365                 }
366                 if (data.getDomainReference() != null) {
367                         ttip += trans.get("plot.ttip.stability") + " " + data.getDomainReference();
368                 }
369                 return ttip;
370         }
371         
372         private class GradientScale implements PaintScale {
373                 
374                 private final double min;
375                 private final double max;
376                 
377                 public GradientScale(double min, double max) {
378                         this.min = min;
379                         this.max = max;
380                 }
381                 
382                 @Override
383                 public Paint getPaint(double value) {
384                         if (Double.isNaN(value)) {
385                                 return OUT_OF_DOMAIN_COLOR;
386                         }
387                         
388                         value = MathUtil.map(value, min, max, 0.0, 1.0);
389                         value = MathUtil.clamp(value, 0.0, 1.0);
390                         
391                         float r = (float) RED.getValue(value);
392                         float g = (float) GREEN.getValue(value);
393                         float b = (float) BLUE.getValue(value);
394                         
395                         return new Color(r, g, b);
396                 }
397                 
398                 @Override
399                 public double getLowerBound() {
400                         return min;
401                 }
402                 
403                 @Override
404                 public double getUpperBound() {
405                         return max;
406                 }
407         }
408         
409 }