List of usage examples for org.jfree.data.xy XYDataset getYValue
public double getYValue(int series, int item);
From source file:org.griphyn.vdl.karajan.monitor.monitors.swing.GraphPanel.java
private double binSearch(XYDataset d, int si, double x, int begin, int end) { if (begin >= end) { return d.getYValue(si, end); }/* w w w.ja v a2 s .c o m*/ int mid = (begin + end) / 2; double vmid = d.getXValue(si, mid); if (x == vmid) { return d.getYValue(si, mid); } else if (x < vmid) { return binSearch(d, si, x, begin, mid - 1); } else { return binSearch(d, si, x, mid + 1, end); } }
From source file:net.sf.maltcms.common.charts.api.overlay.SelectionOverlay.java
private Shape generate(Dataset ds, int seriesIndex, int itemIndex) { if (ds instanceof XYDataset) { XYDataset xyds = (XYDataset) ds; double width = 10.0d; double height = 10.0d; double x = xyds.getXValue(seriesIndex, itemIndex) - (width / 2.0d); double y = xyds.getYValue(seriesIndex, itemIndex); Ellipse2D.Double e = new Ellipse2D.Double(x, y, width, height); return e; } else if (ds instanceof CategoryDataset) { CategoryDataset cds = (CategoryDataset) ds; double width = 10.0d; double height = 10.0d; double y = cds.getValue(seriesIndex, itemIndex).doubleValue(); Ellipse2D.Double e = new Ellipse2D.Double(itemIndex, y, width, height); return e; }//from ww w . j a v a 2s .c om throw new IllegalArgumentException("Unsupported dataset type: " + ds.getClass()); }
From source file:org.mwc.cmap.grideditor.chart.RendererWithDynamicFeedback.java
/** * @see drawSecondaryPass// w w w .j ava 2 s . c om */ private void drawFeedBackNode(final Graphics2D g2, final XYPlot plot, final XYDataset dataset, final int pass, // final int series, final int item, final ValueAxis domainAxis, final Rectangle2D dataArea, final ValueAxis rangeAxis, // final CrosshairState crosshairState, final EntityCollection entities) { // get the data point... final double x1 = myFeedBackValue != null ? myFeedBackValue.x : dataset.getXValue(series, item); final double y1 = myFeedBackValue != null ? myFeedBackValue.y : dataset.getYValue(series, item); if (Double.isNaN(y1) || Double.isNaN(x1)) { return; } final PlotOrientation orientation = plot.getOrientation(); final RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); final RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); final double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation); final double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation); if (getItemShapeVisible(series, item)) { Shape shape = getItemShape(series, item); if (orientation == PlotOrientation.HORIZONTAL) { shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1); } else if (orientation == PlotOrientation.VERTICAL) { shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1); } if (shape.intersects(dataArea)) { g2.setPaint(getFeedbackNodePaint()); g2.fill(shape); } } double xx = transX1; double yy = transY1; if (orientation == PlotOrientation.HORIZONTAL) { xx = transY1; yy = transX1; } drawFeedbackItemLabel(g2, orientation, dataset, series, item, xx, yy, (y1 < 0.0)); }
From source file:de.laures.cewolf.jfree.XYSplineRenderer.java
/** * Draws the item (first pass). This method draws the lines * connecting the items. Instead of drawing separate lines, * a GeneralPath is constructed and drawn at the end of the series painting. * * @param g2 the graphics device./*from ww w . j ava 2 s.c o m*/ * @param state the renderer state. * @param plot the plot (can be used to obtain standard color information etc). * @param dataset the dataset. * @param pass the pass. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataArea the area within which the data is being drawn. */ protected void drawPrimaryLineAsPath(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) { RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); // get the data points double x1 = dataset.getXValue(series, item); double y1 = dataset.getYValue(series, item); double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation); double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation); // collect points if (!Double.isNaN(transX1) && !Double.isNaN(transY1)) { ControlPoint p = new ControlPoint( plot.getOrientation() == PlotOrientation.HORIZONTAL ? (float) transY1 : (float) transX1, plot.getOrientation() == PlotOrientation.HORIZONTAL ? (float) transX1 : (float) transY1); if (!this.points.contains(p)) { this.points.add(p); } } if (item == dataset.getItemCount(series) - 1) { State s = (State) state; // construct path if (this.points.size() > 1) { // we need at least two points to draw something ControlPoint cp0 = (ControlPoint) this.points.get(0); s.seriesPath.moveTo(cp0.x, cp0.y); if (this.points.size() == 2) { // we need at least 3 points to spline. Draw simple line for two points ControlPoint cp1 = (ControlPoint) this.points.get(1); s.seriesPath.lineTo(cp1.x, cp1.y); } else { // construct spline int np = this.points.size(); // number of points float[] d = new float[np]; // Newton form coefficients float[] x = new float[np]; // x-coordinates of nodes float y; float t; float[] a = new float[np]; float t1; float t2; float[] h = new float[np]; for (int i = 0; i < np; i++) { ControlPoint cpi = (ControlPoint) this.points.get(i); x[i] = cpi.x; d[i] = cpi.y; } for (int i = 1; i <= np - 1; i++) { h[i] = x[i] - x[i - 1]; } float[] sub = new float[np - 1]; float[] diag = new float[np - 1]; float[] sup = new float[np - 1]; for (int i = 1; i <= np - 2; i++) { diag[i] = (h[i] + h[i + 1]) / 3; sup[i] = h[i + 1] / 6; sub[i] = h[i] / 6; a[i] = (d[i + 1] - d[i]) / h[i + 1] - (d[i] - d[i - 1]) / h[i]; } solveTridiag(sub, diag, sup, a, np - 2); // note that a[0]=a[np-1]=0 // draw s.seriesPath.moveTo(x[0], d[0]); for (int i = 1; i <= np - 1; i++) { // loop over intervals between nodes for (int j = 1; j <= this.precision; j++) { t1 = (h[i] * j) / this.precision; t2 = h[i] - t1; y = ((-a[i - 1] / 6 * (t2 + h[i]) * t1 + d[i - 1]) * t2 + (-a[i] / 6 * (t1 + h[i]) * t2 + d[i]) * t1) / h[i]; t = x[i - 1] + t1; s.seriesPath.lineTo(t, y); } } } // draw path drawFirstPassShape(g2, pass, series, item, s.seriesPath); } // reset points vector this.points = new Vector(); } }
From source file:com.newatlanta.bluedragon.XYItemLabelGenerator.java
protected Object[] createItemArray(XYDataset dataset, int series, int item) { Object[] result = new Object[5]; result[0] = dataset.getSeriesKey(series).toString(); double x = dataset.getXValue(series, item); if (Double.isNaN(x) && dataset.getX(series, item) == null) { result[1] = "null"; //this.nullXString; } else {/*from w w w. j ava 2 s.c o m*/ if (this.getXDateFormat() != null) { result[1] = this.getXDateFormat().format(new Date((long) x)); } else { result[1] = this.getXFormat().format(x); } } double y = dataset.getYValue(series, item); if (Double.isNaN(y) && dataset.getY(series, item) == null) { result[2] = "null"; //this.nullYString; } else { if (this.getYDateFormat() != null) { result[2] = this.getYDateFormat().format(new Date((long) y)); } else { result[2] = this.getYFormat().format(y); } double total = calculateYTotal(dataset, series); double percent = y / total; result[3] = NumberFormat.getPercentInstance().format(percent); if (this.getYFormat() != null) { result[4] = this.getYFormat().format(total); } else if (this.getYDateFormat() != null) { //result[4] = this.getDateFormat().format(total); } } return result; }
From source file:no.met.jtimeseries.chart.XYSplineRenderer.java
/** * Draws the item (first pass). This method draws the lines * connecting the items. Instead of drawing separate lines, * a GeneralPath is constructed and drawn at the end of * the series painting.//from w ww .j av a 2s .c o m * * @param g2 the graphics device. * @param state the renderer state. * @param plot the plot (can be used to obtain standard color information * etc). * @param dataset the dataset. * @param pass the pass. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataArea the area within which the data is being drawn. */ @Override protected void drawPrimaryLineAsPath(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) { RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); // get the data points double x1 = dataset.getXValue(series, item); double y1 = dataset.getYValue(series, item); double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation); double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation); // collect points if (!Double.isNaN(transX1) && !Double.isNaN(transY1)) { ControlPoint p = new ControlPoint( plot.getOrientation() == PlotOrientation.HORIZONTAL ? (float) transY1 : (float) transX1, plot.getOrientation() == PlotOrientation.HORIZONTAL ? (float) transX1 : (float) transY1); if (!this.points.contains(p)) { this.points.add(p); } } if (item == dataset.getItemCount(series) - 1) { State s = (State) state; // construct path if (this.points.size() > 1) { // we need at least two points to draw something ControlPoint cp0 = this.points.get(0); s.seriesPath.moveTo(cp0.x, cp0.y); if (this.points.size() == 2) { // we need at least 3 points to spline. Draw simple line // for two points ControlPoint cp1 = this.points.get(1); s.seriesPath.lineTo(cp1.x, cp1.y); } else { // construct spline int np = this.points.size(); // number of points float[] d = new float[np]; // Newton form coefficients float[] x = new float[np]; // x-coordinates of nodes float y; float t; float oldy = 0; float oldt = 0; float[] a = new float[np]; float t1; float t2; float[] h = new float[np]; for (int i = 0; i < np; i++) { ControlPoint cpi = this.points.get(i); x[i] = cpi.x; d[i] = cpi.y; } for (int i = 1; i <= np - 1; i++) { h[i] = x[i] - x[i - 1]; } float[] sub = new float[np - 1]; float[] diag = new float[np - 1]; float[] sup = new float[np - 1]; for (int i = 1; i <= np - 2; i++) { diag[i] = (h[i] + h[i + 1]) / 3; sup[i] = h[i + 1] / 6; sub[i] = h[i] / 6; a[i] = (d[i + 1] - d[i]) / h[i + 1] - (d[i] - d[i - 1]) / h[i]; } solveTridiag(sub, diag, sup, a, np - 2); // note that a[0]=a[np-1]=0 // draw oldt = x[0]; oldy = d[0]; s.seriesPath.moveTo(oldt, oldy); for (int i = 1; i <= np - 1; i++) { // loop over intervals between nodes for (int j = 1; j <= this.precision; j++) { t1 = (h[i] * j) / this.precision; t2 = h[i] - t1; y = ((-a[i - 1] / 6 * (t2 + h[i]) * t1 + d[i - 1]) * t2 + (-a[i] / 6 * (t1 + h[i]) * t2 + d[i]) * t1) / h[i]; t = x[i - 1] + t1; s.seriesPath.lineTo(t, y); oldt = t; oldy = y; } } } // draw path drawFirstPassShape(g2, pass, series, item, s.seriesPath); } // reset points vector this.points = new Vector<ControlPoint>(); } }
From source file:de.hdm.uls.loadtests.ui.XYLineAndAreaRenderer.java
/** * Draws the visual representation of a single data item. * * @param g2 the graphics device./* w w w .j a v a2 s .c om*/ * @param state the renderer state. * @param dataArea the area within which the data is being drawn. * @param info collects information about the drawing. * @param plot the plot (can be used to obtain standard color information * etc). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the dataset. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param crosshairState crosshair information for the plot * (<code>null</code> permitted). * @param pass the pass index. */ public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { if (!getItemVisible(series, item)) { return; } XYAreaRendererState areaState = (XYAreaRendererState) state; // get the data point... double x1 = dataset.getXValue(series, item); double y1 = dataset.getYValue(series, item); if (Double.isNaN(y1)) { y1 = 0.0; } double transX1 = domainAxis.valueToJava2D(x1, dataArea, plot.getDomainAxisEdge()); double transY1 = rangeAxis.valueToJava2D(y1, dataArea, plot.getRangeAxisEdge()); // get the previous point and the next point so we can calculate a // "hot spot" for the area (used by the chart entity)... int itemCount = dataset.getItemCount(series); double x0 = dataset.getXValue(series, Math.max(item - 1, 0)); double y0 = dataset.getYValue(series, Math.max(item - 1, 0)); if (Double.isNaN(y0)) { y0 = 0.0; } double transX0 = domainAxis.valueToJava2D(x0, dataArea, plot.getDomainAxisEdge()); double transY0 = rangeAxis.valueToJava2D(y0, dataArea, plot.getRangeAxisEdge()); double x2 = dataset.getXValue(series, Math.min(item + 1, itemCount - 1)); double y2 = dataset.getYValue(series, Math.min(item + 1, itemCount - 1)); if (Double.isNaN(y2)) { y2 = 0.0; } double transX2 = domainAxis.valueToJava2D(x2, dataArea, plot.getDomainAxisEdge()); double transY2 = rangeAxis.valueToJava2D(y2, dataArea, plot.getRangeAxisEdge()); double transZero = rangeAxis.valueToJava2D(0.0, dataArea, plot.getRangeAxisEdge()); Polygon hotspot = null; if (plot.getOrientation() == PlotOrientation.HORIZONTAL) { hotspot = new Polygon(); hotspot.addPoint((int) transZero, (int) ((transX0 + transX1) / 2.0)); hotspot.addPoint((int) ((transY0 + transY1) / 2.0), (int) ((transX0 + transX1) / 2.0)); hotspot.addPoint((int) transY1, (int) transX1); hotspot.addPoint((int) ((transY1 + transY2) / 2.0), (int) ((transX1 + transX2) / 2.0)); hotspot.addPoint((int) transZero, (int) ((transX1 + transX2) / 2.0)); } else { // vertical orientation hotspot = new Polygon(); hotspot.addPoint((int) ((transX0 + transX1) / 2.0), (int) transZero); hotspot.addPoint((int) ((transX0 + transX1) / 2.0), (int) ((transY0 + transY1) / 2.0)); hotspot.addPoint((int) transX1, (int) transY1); hotspot.addPoint((int) ((transX1 + transX2) / 2.0), (int) ((transY1 + transY2) / 2.0)); hotspot.addPoint((int) ((transX1 + transX2) / 2.0), (int) transZero); } if (item == 0) { // create a new area polygon for the series areaState.area = new Polygon(); // the first point is (x, 0) double zero = rangeAxis.valueToJava2D(0.0, dataArea, plot.getRangeAxisEdge()); if (plot.getOrientation() == PlotOrientation.VERTICAL) { areaState.area.addPoint((int) transX1, (int) zero); } else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) { areaState.area.addPoint((int) zero, (int) transX1); } } // Add each point to Area (x, y) if (plot.getOrientation() == PlotOrientation.VERTICAL) { areaState.area.addPoint((int) transX1, (int) transY1); } else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) { areaState.area.addPoint((int) transY1, (int) transX1); } PlotOrientation orientation = plot.getOrientation(); Paint paint = getItemPaint(series, item); Stroke stroke = getItemStroke(series, item); g2.setPaint(paint); g2.setStroke(stroke); Shape shape = null; if (getPlotShapes()) { shape = getItemShape(series, item); if (orientation == PlotOrientation.VERTICAL) { shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1); } else if (orientation == PlotOrientation.HORIZONTAL) { shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1); } g2.draw(shape); } if (getPlotLines()) { if (item > 0) { if (plot.getOrientation() == PlotOrientation.VERTICAL) { areaState.line.setLine(transX0, transY0, transX1, transY1); } else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) { areaState.line.setLine(transY0, transX0, transY1, transX1); } g2.draw(areaState.line); } } // Check if the item is the last item for the series. // and number of items > 0. We can't draw an area for a single point. if (getPlotArea() && item > 0 && item == (itemCount - 1)) { if (orientation == PlotOrientation.VERTICAL) { // Add the last point (x,0) areaState.area.addPoint((int) transX1, (int) transZero); } else if (orientation == PlotOrientation.HORIZONTAL) { // Add the last point (x,0) areaState.area.addPoint((int) transZero, (int) transX1); } Paint fillPaint = getItemFillPaint(series, item); if (fillPaint instanceof GradientPaint) { GradientPaint gp = (GradientPaint) fillPaint; GradientPaintTransformer t = new StandardGradientPaintTransformer(); fillPaint = t.transform(gp, areaState.area.getBounds()); } g2.setPaint(fillPaint); g2.fill(areaState.area); // draw an outline around the Area. if (isOutline()) { g2.setStroke(getItemOutlineStroke(series, item)); g2.setPaint(getItemOutlinePaint(series, item)); g2.draw(areaState.area); } } updateCrosshairValues(crosshairState, x1, y1, transX1, transY1, orientation); // collect entity and tool tip information... if (state.getInfo() != null) { EntityCollection entities = state.getEntityCollection(); if (entities != null && hotspot != null) { String tip = null; XYToolTipGenerator generator = getToolTipGenerator(series, item); if (generator != null) { tip = generator.generateToolTip(dataset, series, item); } String url = null; if (getURLGenerator() != null) { url = getURLGenerator().generateURL(dataset, series, item); } XYItemEntity entity = new XYItemEntity(hotspot, dataset, series, item, tip, url); entities.add(entity); } } }
From source file:umontreal.iro.lecuyer.charts.EmpiricalRenderer.java
/** * Draws the visual representation of a single data item. * * @param g2 the graphics device. * @param state the renderer state. * @param dataArea the area within which the data is being drawn. * @param info collects information about the drawing. * @param plot the plot (can be used to obtain standard color * information etc). * @param domainAxis the domain axis.// w ww .j av a 2 s . c o m * @param rangeAxis the range axis. * @param dataset the dataset. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param crosshairState crosshair information for the plot * (<code>null</code> permitted). * @param pass the pass index. */ public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { if (!getItemVisible(series, item)) return; PlotOrientation orientation = plot.getOrientation(); java.awt.Paint seriesPaint = getItemPaint(series, item); java.awt.Stroke seriesStroke = getItemStroke(series, item); g2.setPaint(seriesPaint); g2.setStroke(seriesStroke); double x0 = dataset.getXValue(series, item); double y0 = dataset.getYValue(series, item); if (java.lang.Double.isNaN(y0)) return; org.jfree.ui.RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); org.jfree.ui.RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation); double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation); double x1 = 0, y1 = 0; if (item < dataset.getItemCount(series) - 1) { x1 = dataset.getXValue(series, item + 1); y1 = dataset.getYValue(series, item + 1); } else { x1 = dataArea.getMaxX(); y1 = dataArea.getMaxY(); } boolean useFillPaint = getUseFillPaint(); ; boolean drawOutlines = getDrawOutlines(); if (!java.lang.Double.isNaN(y0)) { double transX1; double transY1; if (item < dataset.getItemCount(series) - 1) { transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation); transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation); } else { transX1 = x1; transY1 = y1; } Line2D line = state.workingLine; if (orientation == PlotOrientation.HORIZONTAL) { line.setLine(transY0, transX0, transY0, transX1); g2.draw(line); } else if (orientation == PlotOrientation.VERTICAL) { line.setLine(transX0, transY0, transX1, transY0); g2.draw(line); } } if (getItemShapeVisible(series, item)) { Shape shape = getItemShape(series, item); if (orientation == PlotOrientation.HORIZONTAL) shape = ShapeUtilities.createTranslatedShape(shape, transY0, transX0); else if (orientation == PlotOrientation.VERTICAL) shape = ShapeUtilities.createTranslatedShape(shape, transX0, transY0); if (shape.intersects(dataArea)) { if (getItemShapeFilled(series, item)) { if (useFillPaint) g2.setPaint(getItemFillPaint(series, item)); else g2.setPaint(getItemPaint(series, item)); g2.fill(shape); } if (drawOutlines) { if (getUseOutlinePaint()) g2.setPaint(getItemOutlinePaint(series, item)); else g2.setPaint(getItemPaint(series, item)); g2.setStroke(getItemOutlineStroke(series, item)); g2.draw(shape); } } } if (isItemLabelVisible(series, item)) { double xx = transX0; double yy = transY0; if (orientation == PlotOrientation.HORIZONTAL) { xx = transY0; yy = transX0; } drawItemLabel(g2, orientation, dataset, series, item, xx, yy, y0 < 0.0D); } int domainAxisIndex = plot.getDomainAxisIndex(domainAxis); int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis); updateCrosshairValues(crosshairState, x0, y0, domainAxisIndex, rangeAxisIndex, transX0, transY0, orientation); if (state.getInfo() != null) { EntityCollection entities = state.getEntityCollection(); if (entities != null) { int r = getDefaultEntityRadius(); java.awt.Shape shape = orientation != PlotOrientation.VERTICAL ? ((java.awt.Shape) (new java.awt.geom.Rectangle2D.Double(transY0 - (double) r, transX0 - (double) r, 2 * r, 2 * r))) : ((java.awt.Shape) (new java.awt.geom.Rectangle2D.Double(transX0 - (double) r, transY0 - (double) r, 2 * r, 2 * r))); if (shape != null) { String tip = null; XYToolTipGenerator generator = getToolTipGenerator(series, item); if (generator != null) tip = generator.generateToolTip(dataset, series, item); String url = null; if (getURLGenerator() != null) url = getURLGenerator().generateURL(dataset, series, item); XYItemEntity entity = new XYItemEntity(shape, dataset, series, item, tip, url); entities.add(entity); } } } }
From source file:be.ugent.maf.cellmissy.gui.view.renderer.jfreechart.CompassRenderer.java
@Override public void drawSeries(Graphics2D g2, Rectangle2D dataArea, PlotRenderingInfo info, PolarPlot plot, XYDataset dataset, int seriesIndex) { // compute the right color for the paint int length = GuiUtils.getAvailableColors().length; Color color = GuiUtils.getAvailableColors()[index % length]; // get all the data points int numPoints = dataset.getItemCount(seriesIndex); // set STroke and Paint of the graphics g2.setStroke(new BasicStroke(1.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND)); g2.setPaint(new Color(color.getRed(), color.getGreen(), color.getBlue(), 175)); // iterate through the points of the dataset for (int i = 0; i < numPoints; i++) { double theta = dataset.getXValue(seriesIndex, i); // the angle at the center double radius = dataset.getYValue(seriesIndex, i); // the frequency Point p0 = plot.translateToJava2D(0, 0, plot.getAxis(), dataArea); Point p1 = plot.translateToJava2D(theta, radius, plot.getAxis(), dataArea); Line2D line = new Line2D.Double(p0, p1); g2.draw(line);/* w w w . ja va 2s .c o m*/ } }
From source file:com.stableapps.anglewraparounddemo.AngleWrapDemoMain.java
/** * Creates a sample chart.//from ww w . j a v a 2s . c om * * @return a sample chart. */ private JFreeChart createChart() { final XYDataset direction = createAngleDataset(600); final JFreeChart chart = ChartFactory.createTimeSeriesChart("Time", "Date", "Direction", direction, true, true, false); final XYPlot plot = chart.getXYPlot(); plot.getDomainAxis().setLowerMargin(0.0); plot.getDomainAxis().setUpperMargin(0.0); // configure the range axis to provide a fix set of TickUnits depending on size of chart NumberAxis rangeAxis = new NumberAxis() { /** * */ private static final long serialVersionUID = 1L; @Override public NumberTickUnit getTickUnit() { NumberTickUnit tickUnit = super.getTickUnit(); if (tickUnit.getSize() < 15) { return tickUnit; } else if (tickUnit.getSize() < 45) { return new NumberTickUnit(45); } else if (tickUnit.getSize() < 90) { return new NumberTickUnit(90); } else if (tickUnit.getSize() < 180) { return new NumberTickUnit(180); } else { return new NumberTickUnit(360); } } }; rangeAxis.setAutoRangeIncludesZero(false); plot.setRangeAxis(rangeAxis); final OverflowCondition overflowCondition = new OverflowCondition() { @Override public boolean isOverflow(double y0, double x0, double y1, double x1) { return Math.abs(y1 - y0) > 180; } }; XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false) { /** * */ private static final long serialVersionUID = 1L; double min = 0; double max = 360; LinearInterpolator interpolator = new LinearInterpolator(); @Override protected void drawPrimaryLine(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) { if (item == 0) { return; } // get the data point... double x1 = dataset.getXValue(series, item); double y1 = dataset.getYValue(series, item); if (Double.isNaN(y1) || Double.isNaN(x1)) { return; } double x0 = dataset.getXValue(series, item - 1); double y0 = dataset.getYValue(series, item - 1); if (Double.isNaN(y0) || Double.isNaN(x0)) { return; } if (overflowCondition.isOverflow(y0, x0, y1, x1)) { boolean overflowAtMax = y1 < y0; if (overflowAtMax) { LinearFunction lf = interpolator.interpolate(new double[] { y0, y1 + (max - min) }, new double[] { x0, x1 }); double xmid = lf.value(max); drawPrimaryLine(state, g2, plot, x0, y0, xmid, max, pass, series, item, domainAxis, rangeAxis, dataArea); drawPrimaryLine(state, g2, plot, xmid, min, x1, y1, pass, series, item, domainAxis, rangeAxis, dataArea); } else { LinearFunction lf = interpolator.interpolate(new double[] { y1 - (max - min), y0 }, new double[] { x1, x0 }); double xmid = lf.value(min); drawPrimaryLine(state, g2, plot, x0, y0, xmid, min, pass, series, item, domainAxis, rangeAxis, dataArea); drawPrimaryLine(state, g2, plot, xmid, max, x1, y1, pass, series, item, domainAxis, rangeAxis, dataArea); } } else { drawPrimaryLine(state, g2, plot, x0, y0, x1, y1, pass, series, item, domainAxis, rangeAxis, dataArea); } } private void drawPrimaryLine(XYItemRendererState state, Graphics2D g2, XYPlot plot, double x0, double y0, double x1, double y1, int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) { RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation); double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation); double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation); double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation); // only draw if we have good values if (Double.isNaN(transX0) || Double.isNaN(transY0) || Double.isNaN(transX1) || Double.isNaN(transY1)) { return; } PlotOrientation orientation = plot.getOrientation(); boolean visible; if (orientation == PlotOrientation.HORIZONTAL) { state.workingLine.setLine(transY0, transX0, transY1, transX1); } else if (orientation == PlotOrientation.VERTICAL) { state.workingLine.setLine(transX0, transY0, transX1, transY1); } visible = LineUtilities.clipLine(state.workingLine, dataArea); if (visible) { drawFirstPassShape(g2, pass, series, item, state.workingLine); } } @Override protected void drawPrimaryLineAsPath(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) { // get the data point... State s = (State) state; try { double x1 = dataset.getXValue(series, item); double y1 = dataset.getYValue(series, item); if (Double.isNaN(x1) && Double.isNaN(y1)) { s.setLastPointGood(false); return; } if (!s.isLastPointGood()) { ImmutablePair<Float, Float> xy = translate(plot, domainAxis, rangeAxis, dataArea, x1, y1); s.seriesPath.moveTo(xy.getLeft(), xy.getRight()); s.setLastPointGood(true); return; } double x0 = dataset.getXValue(series, item - 1); double y0 = dataset.getYValue(series, item - 1); if (overflowCondition.isOverflow(y0, x0, y1, x1)) { boolean overflowAtMax = y1 < y0; if (overflowAtMax) { LinearFunction lf = interpolator.interpolate(new double[] { y0, y1 + (max - min) }, new double[] { x0, x1 }); double xmid = lf.value(max); ImmutablePair<Float, Float> xy = translate(plot, domainAxis, rangeAxis, dataArea, xmid, max); s.seriesPath.lineTo(xy.getLeft(), xy.getRight()); xy = translate(plot, domainAxis, rangeAxis, dataArea, xmid, min); s.seriesPath.moveTo(xy.getLeft(), xy.getRight()); xy = translate(plot, domainAxis, rangeAxis, dataArea, x1, y1); s.seriesPath.lineTo(xy.getLeft(), xy.getRight()); } else { LinearFunction lf = interpolator.interpolate(new double[] { y1 - (max - min), y0 }, new double[] { x1, x0 }); double xmid = lf.value(min); ImmutablePair<Float, Float> xy = translate(plot, domainAxis, rangeAxis, dataArea, xmid, min); s.seriesPath.lineTo(xy.getLeft(), xy.getRight()); xy = translate(plot, domainAxis, rangeAxis, dataArea, xmid, max); s.seriesPath.moveTo(xy.getLeft(), xy.getRight()); xy = translate(plot, domainAxis, rangeAxis, dataArea, x1, y1); s.seriesPath.lineTo(xy.getLeft(), xy.getRight()); } } else { ImmutablePair<Float, Float> xy = translate(plot, domainAxis, rangeAxis, dataArea, x1, y1); s.seriesPath.lineTo(xy.getLeft(), xy.getRight()); } s.setLastPointGood(true); } finally { // if this is the last item, draw the path ... if (item == s.getLastItemIndex()) { // draw path drawFirstPassShape(g2, pass, series, item, s.seriesPath); } } } private ImmutablePair<Float, Float> translate(XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea, double x, double y) { RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); double transX1 = domainAxis.valueToJava2D(x, dataArea, xAxisLocation); double transY1 = rangeAxis.valueToJava2D(y, dataArea, yAxisLocation); // update path to reflect latest point float xtrans = (float) transX1; float ytrans = (float) transY1; PlotOrientation orientation = plot.getOrientation(); if (orientation == PlotOrientation.HORIZONTAL) { xtrans = (float) transY1; ytrans = (float) transX1; } return new ImmutablePair<>(xtrans, ytrans); } }; renderer.setDrawSeriesLineAsPath(true); plot.setRenderer(0, renderer); return chart; }