Example usage for org.jfree.data.general DatasetUtilities findYValue

Introduction

In this page you can find the example usage for org.jfree.data.general DatasetUtilities findYValue.

Prototype

public static double findYValue(XYDataset dataset, int series, double x) 

Source Link

Document

Returns the interpolated value of y that corresponds to the specified x-value in the given series.

Usage

From source file:velocitekProStartAnalyzer.MainWindow.java

private void createChartPanel() {
    XYSeriesCollection dataset = JDBCPointDao.dataSet;
    JFreeChart chart = createChart(dataset);
    ChartPanel chartPanel = new ChartPanel(chart, true, false, false, true, false);
    chartPanel.setMinimumDrawWidth(0);/*from w ww .  j  ava 2s  .  c  o  m*/
    chartPanel.setMinimumDrawHeight(0);
    chartPanel.setMaximumDrawWidth(1920);
    chartPanel.setMaximumDrawHeight(1200);
    chartPanel.getPopupMenu().addSeparator();
    chartPanel.getPopupMenu().add(btnAvgSpeedChart);
    chartPanel.getPopupMenu().add(btnMedianSpeedChart);
    chartPanel.getPopupMenu().add(btnResetSpeedChart);
    chartPanel.getPopupMenu().addSeparator();
    btnMenuSaveSubmenuForChart = new JMenu("Save");
    chartPanel.getPopupMenu().add(btnMenuSaveSubmenuForChart);

    if (JDBCPointDao.points.isEmpty()) {
        btnSaveAsVCC.setEnabled(false);
    }
    saveChartAsPng(chartPanel);

    btnMenuSaveSubmenuForChart.add(btnSaveChartAsPngForChart);
    btnMenuSaveSubmenuForChart.add(btnSaveTableAsPngForChart);
    btnMenuSaveSubmenuForChart.add(btnSaveMapAsPngForChart);
    btnMenuSaveSubmenuForChart.addSeparator();
    btnMenuSaveSubmenuForChart.add(btnSaveAsVCC);
    chartPanel.addChartMouseListener(new ChartMouseListener() {

        @Override
        public void chartMouseClicked(ChartMouseEvent event) {
            Rectangle2D dataArea = chartPanel.getScreenDataArea();
            JFreeChart chart = event.getChart();
            XYPlot plot = (XYPlot) chart.getPlot();
            ValueAxis xAxis = plot.getDomainAxis();
            double x = xAxis.java2DToValue(event.getTrigger().getX(), dataArea, RectangleEdge.BOTTOM);
            // make the crosshairs disappear if the mouse is out of range
            if (!xAxis.getRange().contains(x)) {
                x = Double.NaN;
            }

            x = Math.round(x);

            if (SwingUtilities.isLeftMouseButton(event.getTrigger()) && event.getTrigger().isShiftDown()) {
                for (PointDto cord : JDBCPointDao.points) {
                    {
                        if (cord.getPointID() == x) {
                            if (pointTable.getSelectionModel() == null) {
                                for (int i = 0; i < pointTable.getModel().getRowCount(); i++) {
                                    if (pointTable.getModel().getValueAt(i, 0).equals(cord.getPointID())) {
                                        pointTable.setRowSelectionInterval(i, i);
                                    }
                                }
                            } else {
                                for (int i = 0; i < pointTable.getModel().getRowCount(); i++) {
                                    if (pointTable.getModel().getValueAt(i, 0).equals(cord.getPointID())) {
                                        pointTable.addRowSelectionInterval(pointTable.getSelectedRow(), i);
                                    }
                                }
                            }
                            pointTable.scrollRectToVisible(
                                    pointTable.getCellRect(pointTable.getSelectedRow(), 0, true));
                        }
                    }
                }
            } else {
                for (PointDto cord : JDBCPointDao.points) {
                    {
                        if (cord.getPointID() == x) {
                            if (pointTable.getSelectionModel() != null) {
                                pointTable.getSelectionModel().clearSelection();
                            }
                            for (int i = 0; i < pointTable.getModel().getRowCount(); i++) {
                                if (pointTable.getModel().getValueAt(i, 0).equals(cord.getPointID())) {
                                    pointTable.setRowSelectionInterval(i, i);
                                }
                            }
                            pointTable.scrollRectToVisible(
                                    pointTable.getCellRect(pointTable.getSelectedRow(), 0, true));
                            //MainWindow.pointTable.revalidate();                      
                        }
                    }

                }
            }
        }

        @Override
        public void chartMouseMoved(ChartMouseEvent event) {

            Rectangle2D dataArea = chartPanel.getScreenDataArea();
            JFreeChart chart = event.getChart();
            XYPlot plot = (XYPlot) chart.getPlot();
            ValueAxis xAxis = plot.getDomainAxis();
            double x = xAxis.java2DToValue(event.getTrigger().getX(), dataArea, RectangleEdge.BOTTOM);
            // make the crosshairs disappear if the mouse is out of range
            if (!xAxis.getRange().contains(x)) {
                x = Double.NaN;
            }
            double y = DatasetUtilities.findYValue(plot.getDataset(), 0, x);
            xCrosshair.setValue(x);
            yCrosshair.setValue(y);
            x = Math.round(x);
            for (PointDto cord : JDBCPointDao.points) {

                if (cord.getPointID() == x) {
                    mapPanel.map().removeMapMarker(mapPanel.getMapPoint());
                    mapPanel.setMapPoint(
                            new MapMarkerDot(null, null, cord.getPointLatidude(), cord.getPointLongtidude()));
                    mapPanel.setMapPoint(mapPanel.getMapPoint());
                    mapPanel.getMapPoint().setColor(colorMapMarkerCircle);
                    mapPanel.getMapPoint().setBackColor(colorMapMarkerHover);
                    mapPanel.map().addMapMarker(mapPanel.getMapPoint());
                }

            }
        }

    });
    XYPlot xyPlot = (XYPlot) chart.getPlot();
    ValueAxis rangeAxis = xyPlot.getRangeAxis();
    NavigableMap<Double, PointDto> pointDtoSortedSpeedMap = new TreeMap<Double, PointDto>();

    if (!JDBCPointDao.points.isEmpty()) {
        for (PointDto pointDto : JDBCPointDao.points) {
            pointDtoSortedSpeedMap.put(pointDto.getPointSpeed(), pointDto);
        }
        rangeAxis.setRange(pointDtoSortedSpeedMap.firstEntry().getKey() - 0.1,
                pointDtoSortedSpeedMap.lastEntry().getKey() + 0.1);
    }

    CrosshairOverlay crosshairOverlay = new CrosshairOverlay();
    xCrosshair = new Crosshair(Double.NaN, Color.GRAY, new BasicStroke(0f));
    xCrosshair.setLabelVisible(true);
    yCrosshair = new Crosshair(Double.NaN, Color.GRAY, new BasicStroke(0f));
    yCrosshair.setLabelVisible(true);
    crosshairOverlay.addDomainCrosshair(xCrosshair);
    crosshairOverlay.addRangeCrosshair(yCrosshair);
    chartPanel.addOverlay(crosshairOverlay);
    graphPanel.removeAll();
    graphPanel.add(chartPanel, BorderLayout.CENTER);
    graphPanel.revalidate();
    graphPanel.repaint();
    graphMapSplitPanel.revalidate();
}

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