Example usage for org.jfree.data.xy IntervalXYDataset getStartYValue

Introduction

In this page you can find the example usage for org.jfree.data.xy IntervalXYDataset getStartYValue.

Prototype

public double getStartYValue(int series, int item);

Source Link

Document

Returns the lower bound of the y-interval (as a double primitive) for the specified series and item.

Usage

From source file:edu.scripps.fl.curves.plot.MyXYErrorRenderer.java

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 (pass == 0 && (dataset instanceof IntervalXYDataset) && getItemVisible(series, item)) {
        IntervalXYDataset ixyd = (IntervalXYDataset) dataset;
        PlotOrientation orientation = plot.getOrientation();
        if (getSeriesXError(series)) {
            double x0 = ixyd.getStartXValue(series, item);
            double x1 = ixyd.getEndXValue(series, item);
            double y = ixyd.getYValue(series, item);
            org.jfree.ui.RectangleEdge edge = plot.getDomainAxisEdge();
            double xx0 = domainAxis.valueToJava2D(x0, dataArea, edge);
            double xx1 = domainAxis.valueToJava2D(x1, dataArea, edge);
            double yy = rangeAxis.valueToJava2D(y, dataArea, plot.getRangeAxisEdge());
            Line2D cap1 = null;//from   w w  w. j  av a 2 s  . c  om
            Line2D cap2 = null;
            double adj = capLength / 2D;
            Line2D line;
            if (orientation == PlotOrientation.VERTICAL) {
                line = new java.awt.geom.Line2D.Double(xx0, yy, xx1, yy);
                cap1 = new java.awt.geom.Line2D.Double(xx0, yy - adj, xx0, yy + adj);
                cap2 = new java.awt.geom.Line2D.Double(xx1, yy - adj, xx1, yy + adj);
            } else {
                line = new java.awt.geom.Line2D.Double(yy, xx0, yy, xx1);
                cap1 = new java.awt.geom.Line2D.Double(yy - adj, xx0, yy + adj, xx0);
                cap2 = new java.awt.geom.Line2D.Double(yy - adj, xx1, yy + adj, xx1);
            }
            if (errorPaint != null)
                g2.setPaint(errorPaint);
            else
                g2.setPaint(getItemPaint(series, item));
            if (errorStroke != null)
                g2.setStroke(errorStroke);
            else
                g2.setStroke(getItemStroke(series, item));
            g2.draw(line);
            g2.draw(cap1);
            g2.draw(cap2);
        }
        if (getSeriesYError(series)) {
            double y0 = ixyd.getStartYValue(series, item);
            double y1 = ixyd.getEndYValue(series, item);
            double x = ixyd.getXValue(series, item);
            org.jfree.ui.RectangleEdge edge = plot.getRangeAxisEdge();
            double yy0 = rangeAxis.valueToJava2D(y0, dataArea, edge);
            double yy1 = rangeAxis.valueToJava2D(y1, dataArea, edge);
            double xx = domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge());
            Line2D cap1 = null;
            Line2D cap2 = null;
            double adj = capLength / 2D;
            Line2D line;
            if (orientation == PlotOrientation.VERTICAL) {
                line = new java.awt.geom.Line2D.Double(xx, yy0, xx, yy1);
                cap1 = new java.awt.geom.Line2D.Double(xx - adj, yy0, xx + adj, yy0);
                cap2 = new java.awt.geom.Line2D.Double(xx - adj, yy1, xx + adj, yy1);
            } else {
                line = new java.awt.geom.Line2D.Double(yy0, xx, yy1, xx);
                cap1 = new java.awt.geom.Line2D.Double(yy0, xx - adj, yy0, xx + adj);
                cap2 = new java.awt.geom.Line2D.Double(yy1, xx - adj, yy1, xx + adj);
            }
            if (errorPaint != null)
                g2.setPaint(errorPaint);
            else
                g2.setPaint(getItemPaint(series, item));
            if (errorStroke != null)
                g2.setStroke(errorStroke);
            else
                g2.setStroke(getItemStroke(series, item));
            g2.draw(line);
            g2.draw(cap1);
            g2.draw(cap2);
        }
    }
    super.drawItem(g2, state, dataArea, info, plot, domainAxis, rangeAxis, dataset, series, item,
            crosshairState, pass);
}

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