Examples of org.jfree.chart.renderer.xy.XYStepRenderer

org.jfree.chart.renderer.xy.XYStepRenderer
Line/Step item renderer for an {@link XYPlot}. This class draws lines between data points, only allowing horizontal or vertical lines (steps). The example shown here is generated by the XYStepRendererDemo1.java program included in the JFreeChart demo collection:

      }
      rtn.getXYPlot().setRenderer(renderer);
    }
    else if (STEP_CHART_STR.equals(chartType))
    {
      rtn.getXYPlot().setRenderer(new XYStepRenderer(null, null));
    }
    else if (DIFFERENCE_CHART_STR.equals(chartType))
    {
      rtn.getXYPlot().setRenderer(new XYDifferenceRenderer());
    }

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        }
        NumberAxis xAxis = new NumberAxis("Time millis spend");
        xAxis.setNumberFormatOverride(new MillisecondsSpendNumberFormat());
        NumberAxis yAxis = new NumberAxis("Score");
        yAxis.setAutoRangeIncludesZero(false);
        XYItemRenderer renderer = new XYStepRenderer();
        XYPlot plot = new XYPlot(seriesCollection, xAxis, yAxis, renderer);
        plot.setOrientation(PlotOrientation.VERTICAL);
        JFreeChart chart = new JFreeChart(baseName + " best score statistic",
                JFreeChart.DEFAULT_TITLE_FONT, plot, true);
        BufferedImage chartImage = chart.createBufferedImage(1024, 768);

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      }
      rtn.getXYPlot().setRenderer(renderer);
    }
    else if (STEP_CHART_STR.equals(chartType))
    {
      rtn.getXYPlot().setRenderer(new XYStepRenderer(null, null));
    }
    else if (DIFFERENCE_CHART_STR.equals(chartType))
    {
      rtn.getXYPlot().setRenderer(new XYDifferenceRenderer());
    }

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        XYURLGenerator urlGenerator = null;
        if (urls) {
            urlGenerator = new StandardXYURLGenerator();
        }
        XYItemRenderer renderer = new XYStepRenderer(toolTipGenerator,
                urlGenerator);


        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);
        plot.setRenderer(renderer);
        plot.setOrientation(orientation);

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        plot.setBackgroundPaint(Color.lightGray);
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);
        plot.setAxisOffset(new RectangleInsets(2.0, 2.0, 2.0, 2.0));
        // Set series line styles
        plot.setRenderer(new XYStepRenderer());


        XYItemRenderer r = plot.getRenderer();
        if (r instanceof XYLineAndShapeRenderer) {
            XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
            renderer.setShapesVisible(true);

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        XYURLGenerator urlGenerator = null;
        if (urls) {
            urlGenerator = new StandardXYURLGenerator();
        }
        XYItemRenderer renderer = new XYStepRenderer(toolTipGenerator,
                urlGenerator);


        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);
        plot.setRenderer(renderer);
        plot.setOrientation(orientation);

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        XYURLGenerator urlGenerator = null;
        if (urls) {
            urlGenerator = new StandardXYURLGenerator();
        }
        XYItemRenderer renderer = new XYStepRenderer(toolTipGenerator,
                urlGenerator);


        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);
        plot.setRenderer(renderer);
        plot.setOrientation(orientation);

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    /**
     * Check that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        XYStepRenderer r1 = new XYStepRenderer();
        XYStepRenderer r2 = new XYStepRenderer();
        assertEquals(r1, r2);


        r1.setStepPoint(0.44);
        assertFalse(r1.equals(r2));
        r2.setStepPoint(0.44);
        assertTrue(r1.equals(r2));


        // try something from the base class
        r1.setBaseCreateEntities(false);
        assertFalse(r1.equals(r2));
        r2.setBaseCreateEntities(false);
        assertTrue(r1.equals(r2));
    }

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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        XYStepRenderer r1 = new XYStepRenderer();
        r1.setStepPoint(0.123);
        XYStepRenderer r2 = new XYStepRenderer();
        r2.setStepPoint(0.123);
        assertTrue(r1.equals(r2));
        int h1 = r1.hashCode();
        int h2 = r2.hashCode();
        assertEquals(h1, h2);
    }

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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        XYStepRenderer r1 = new XYStepRenderer();
        XYStepRenderer r2 = null;
        try {
            r2 = (XYStepRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

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