namespace Ujihara.Demo { using org.jfree.chart; using org.jfree.chart.plot; using org.jfree.chart.renderer.xy; using org.jfree.chart.axis; public class ScatterChartDemo2 : ChartCreator { public override JFreeChart CreateChart() { JFreeChart chart = ChartFactory.createScatterPlot( Name, "X", "Y", DatasetCreator.createXYZDataset(3, 100), PlotOrientation.VERTICAL, true, false, false ); XYPlot plot = chart.getXYPlot(); plot.setRenderer(new XYDotRenderer()); NumberAxis domainAxis = (NumberAxis)plot.getDomainAxis(); domainAxis.setAutoRangeIncludesZero(false); return chart; } } }