List of usage examples for org.jfree.chart.axis ValueAxis setStandardTickUnits
public void setStandardTickUnits(TickUnitSource source)
From source file:gov.sandia.umf.platform.ui.jobs.Raster.java
public JFreeChart createChart(final XYDataset dataset) { final JFreeChart chart = ChartFactory.createScatterPlot(null, // chart title null, // x axis label null, // y axis label dataset, // data PlotOrientation.VERTICAL, false, // include legend true, // tooltips false // urls );/*from w w w. java 2s . c om*/ chart.setBackgroundPaint(Color.white); XYPlot plot = chart.getXYPlot(); plot.setBackgroundPaint(Color.white); plot.setRangeGridlinePaint(Color.lightGray); plot.setDomainPannable(true); plot.setRangePannable(true); plot.setRenderer(new XYDotRenderer() { public void drawItem(java.awt.Graphics2D g2, XYItemRendererState state, java.awt.geom.Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { // Copied from org.jfree.chart.renderer.xy.XYDotRenderer.java and modified. // This would only need to be a couple of lines if they authors of jfreechart had not made dotWidth and dotHeight private members. // Yet another example of textbook OO programming gone awry. (Can anyone hear me scream?) if (!getItemVisible(series, item)) return; int dotWidth = 1; double rasterLines = rangeAxis.getRange().getLength(); int pixels = g2.getClipBounds().height; double height = pixels / rasterLines; if (height > 10) height -= 2; else if (height > 2) height -= 1; int dotHeight = (int) Math.min(20, Math.max(1, Math.floor(height))); double x = dataset.getXValue(series, item); double y = dataset.getYValue(series, item); if (Double.isNaN(y)) return; double adjx = (dotWidth - 1) / 2.0; double adjy = (dotHeight - 1) / 2.0; RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); double transX = domainAxis.valueToJava2D(x, dataArea, xAxisLocation) - adjx; double transY = rangeAxis.valueToJava2D(y, dataArea, yAxisLocation) - adjy; g2.setPaint(Color.black); PlotOrientation orientation = plot.getOrientation(); if (orientation == PlotOrientation.HORIZONTAL) g2.fillRect((int) transY, (int) transX, dotHeight, dotWidth); else g2.fillRect((int) transX, (int) transY, dotWidth, dotHeight); int domainAxisIndex = plot.getDomainAxisIndex(domainAxis); int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis); updateCrosshairValues(crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY, orientation); } }); NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // Integer units only return chart; }