List of usage examples for org.jfree.data RangeInfo getRangeLowerBound
public double getRangeLowerBound(boolean includeInterval);
From source file:net.sourceforge.processdash.ev.ui.chart.RangeXYItemRenderer.java
/** Draws the visual representation of a single data item. *//* ww w . j a v a 2 s. c o m*/ @Override public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairInfo, int pass) { // setup for collecting optional entity info... EntityCollection entities = null; if (info != null) { entities = info.getOwner().getEntityCollection(); } Shape entityArea = null; Paint paint = getItemPaint(series, item); Stroke seriesStroke = getItemStroke(series, item); g2.setPaint(paint); g2.setStroke(seriesStroke); // get the data point... Number x1n = dataset.getX(series, item); Number y1n = dataset.getY(series, item); if (y1n == null || x1n == null) { return; } double x1 = x1n.doubleValue(); double y1 = y1n.doubleValue(); final RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); final RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation); double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation); PlotOrientation orientation = plot.getOrientation(); if (item > 0) { // get the previous data point... Number x0n = dataset.getX(series, item - 1); Number y0n = dataset.getY(series, item - 1); if (y0n != null && x0n != null) { double x0 = x0n.doubleValue(); double y0 = y0n.doubleValue(); double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation); double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation); // only draw if we have good values if (Double.isNaN(transX0) || Double.isNaN(transY0) || Double.isNaN(transX1) || Double.isNaN(transY1)) { return; } if (orientation == PlotOrientation.HORIZONTAL) { line.setLine(transY0, transX0, transY1, transX1); } else if (orientation == PlotOrientation.VERTICAL) { line.setLine(transX0, transY0, transX1, transY1); } if (y1n instanceof RangeInfo) { RangeInfo y1r = (RangeInfo) y1n; double transY1low = rangeAxis.valueToJava2D(y1r.getRangeLowerBound(false), dataArea, yAxisLocation); double transY1high = rangeAxis.valueToJava2D(y1r.getRangeUpperBound(false), dataArea, yAxisLocation); drawItemRangeGradient(g2, line, paint, seriesStroke, transX1, transY1low, transX1, transY1high); } else if (x1n instanceof RangeInfo) { RangeInfo x1r = (RangeInfo) x1n; double transX1low = domainAxis.valueToJava2D(x1r.getRangeLowerBound(false), dataArea, xAxisLocation); double transX1high = domainAxis.valueToJava2D(x1r.getRangeUpperBound(false), dataArea, xAxisLocation); drawItemRangeGradient(g2, line, paint, seriesStroke, transX1low, transY1, transX1high, transY1); } else if (line.intersects(dataArea)) { g2.draw(line); } } } else if (dataset.getItemCount(series) == 1) { 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)) { if (getItemShapeFilled(series, item)) { g2.fill(shape); } else { g2.draw(shape); } } entityArea = shape; } if (entities != null && (dataArea.contains(transX1, transY1) || entityArea != null)) { addEntity(entities, entityArea, dataset, series, item, transX1, transY1); } }
From source file:org.jfree.data.general.DatasetUtils.java
/** * Returns the minimum range value for the specified dataset. This is * easy if the dataset implements the {@link RangeInfo} interface (a good * idea if there is an efficient way to determine the minimum value). * Otherwise, it involves iterating over the entire data-set. Returns * {@code null} if all the data values in the dataset are * {@code null}./*from w ww. jav a2s .co m*/ * * @param dataset the dataset ({@code null} not permitted). * * @return The minimum value (possibly {@code null}). */ public static Number findMinimumRangeValue(CategoryDataset dataset) { Args.nullNotPermitted(dataset, "dataset"); if (dataset instanceof RangeInfo) { RangeInfo info = (RangeInfo) dataset; return new Double(info.getRangeLowerBound(true)); } // hasn't implemented RangeInfo, so we'll have to iterate... else { double minimum = Double.POSITIVE_INFINITY; int seriesCount = dataset.getRowCount(); int itemCount = dataset.getColumnCount(); for (int series = 0; series < seriesCount; series++) { for (int item = 0; item < itemCount; item++) { Number value; if (dataset instanceof IntervalCategoryDataset) { IntervalCategoryDataset icd = (IntervalCategoryDataset) dataset; value = icd.getStartValue(series, item); } else { value = dataset.getValue(series, item); } if (value != null) { minimum = Math.min(minimum, value.doubleValue()); } } } if (minimum == Double.POSITIVE_INFINITY) { return null; } else { return new Double(minimum); } } }
From source file:org.jfree.data.general.DatasetUtils.java
/** * Returns the minimum range value for the specified dataset. This is * easy if the dataset implements the {@link RangeInfo} interface (a good * idea if there is an efficient way to determine the minimum value). * Otherwise, it involves iterating over the entire data-set. Returns * {@code null} if all the data values in the dataset are * {@code null}./*w w w . j a va 2 s . c o m*/ * * @param dataset the dataset ({@code null} not permitted). * * @return The minimum value (possibly {@code null}). */ public static Number findMinimumRangeValue(XYDataset dataset) { Args.nullNotPermitted(dataset, "dataset"); // work out the minimum value... if (dataset instanceof RangeInfo) { RangeInfo info = (RangeInfo) dataset; return new Double(info.getRangeLowerBound(true)); } // hasn't implemented RangeInfo, so we'll have to iterate... else { double minimum = Double.POSITIVE_INFINITY; int seriesCount = dataset.getSeriesCount(); for (int series = 0; series < seriesCount; series++) { int itemCount = dataset.getItemCount(series); for (int item = 0; item < itemCount; item++) { double value; if (dataset instanceof IntervalXYDataset) { IntervalXYDataset intervalXYData = (IntervalXYDataset) dataset; value = intervalXYData.getStartYValue(series, item); } else if (dataset instanceof OHLCDataset) { OHLCDataset highLowData = (OHLCDataset) dataset; value = highLowData.getLowValue(series, item); } else { value = dataset.getYValue(series, item); } if (!Double.isNaN(value)) { minimum = Math.min(minimum, value); } } } if (minimum == Double.POSITIVE_INFINITY) { return null; } else { return new Double(minimum); } } }
From source file:org.jfree.data.general.DatasetUtilities.java
/** * Returns the minimum range value for the specified dataset. This is * easy if the dataset implements the {@link RangeInfo} interface (a good * idea if there is an efficient way to determine the minimum value). * Otherwise, it involves iterating over the entire data-set. Returns * <code>null</code> if all the data values in the dataset are * <code>null</code>./*from w w w . ja v a 2s. c o m*/ * * @param dataset the dataset (<code>null</code> not permitted). * * @return The minimum value (possibly <code>null</code>). */ public static Number findMinimumRangeValue(CategoryDataset dataset) { ParamChecks.nullNotPermitted(dataset, "dataset"); if (dataset instanceof RangeInfo) { RangeInfo info = (RangeInfo) dataset; return new Double(info.getRangeLowerBound(true)); } // hasn't implemented RangeInfo, so we'll have to iterate... else { double minimum = Double.POSITIVE_INFINITY; int seriesCount = dataset.getRowCount(); int itemCount = dataset.getColumnCount(); for (int series = 0; series < seriesCount; series++) { for (int item = 0; item < itemCount; item++) { Number value; if (dataset instanceof IntervalCategoryDataset) { IntervalCategoryDataset icd = (IntervalCategoryDataset) dataset; value = icd.getStartValue(series, item); } else { value = dataset.getValue(series, item); } if (value != null) { minimum = Math.min(minimum, value.doubleValue()); } } } if (minimum == Double.POSITIVE_INFINITY) { return null; } else { return new Double(minimum); } } }
From source file:org.jfree.data.general.DatasetUtilities.java
/** * Returns the minimum range value for the specified dataset. This is * easy if the dataset implements the {@link RangeInfo} interface (a good * idea if there is an efficient way to determine the minimum value). * Otherwise, it involves iterating over the entire data-set. Returns * <code>null</code> if all the data values in the dataset are * <code>null</code>.//from w w w .ja v a 2s .c om * * @param dataset the dataset (<code>null</code> not permitted). * * @return The minimum value (possibly <code>null</code>). */ public static Number findMinimumRangeValue(XYDataset dataset) { ParamChecks.nullNotPermitted(dataset, "dataset"); // work out the minimum value... if (dataset instanceof RangeInfo) { RangeInfo info = (RangeInfo) dataset; return new Double(info.getRangeLowerBound(true)); } // hasn't implemented RangeInfo, so we'll have to iterate... else { double minimum = Double.POSITIVE_INFINITY; int seriesCount = dataset.getSeriesCount(); for (int series = 0; series < seriesCount; series++) { int itemCount = dataset.getItemCount(series); for (int item = 0; item < itemCount; item++) { double value; if (dataset instanceof IntervalXYDataset) { IntervalXYDataset intervalXYData = (IntervalXYDataset) dataset; value = intervalXYData.getStartYValue(series, item); } else if (dataset instanceof OHLCDataset) { OHLCDataset highLowData = (OHLCDataset) dataset; value = highLowData.getLowValue(series, item); } else { value = dataset.getYValue(series, item); } if (!Double.isNaN(value)) { minimum = Math.min(minimum, value); } } } if (minimum == Double.POSITIVE_INFINITY) { return null; } else { return new Double(minimum); } } }