Examples of org.jfree.chart.renderer.category.BarRenderer.findRangeBounds()

Package org.jfree.chart.renderer.category

Class org.jfree.chart.renderer.category.BarRenderer

Examples of org.jfree.chart.renderer.category.BarRenderer.findRangeBounds()

org.jfree.chart.renderer.category.BarRenderer.findRangeBounds()
Returns the range of values the renderer requires to display all the items from the specified dataset. This takes into account the range of values in the dataset, plus the flag that determines whether or not the base value for the bars should be included in the range. @param dataset the dataset (null permitted). @param includeInterval include the interval if the dataset has one? @return The range (or null if the dataset isnull or empty).

    /**
     * Some checks for the findRangeBounds() method.
     */
    public void testFindRangeBounds() {
        BarRenderer r = new BarRenderer();
        assertNull(r.findRangeBounds(null));


        // an empty dataset should return a null range
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        assertNull(r.findRangeBounds(dataset));

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        BarRenderer r = new BarRenderer();
        assertNull(r.findRangeBounds(null));


        // an empty dataset should return a null range
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        assertNull(r.findRangeBounds(dataset));


        dataset.addValue(1.0, "R1", "C1");
        assertEquals(new Range(0.0, 1.0), r.findRangeBounds(dataset));
        r.setIncludeBaseInRange(false);
        assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));

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        // an empty dataset should return a null range
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        assertNull(r.findRangeBounds(dataset));


        dataset.addValue(1.0, "R1", "C1");
        assertEquals(new Range(0.0, 1.0), r.findRangeBounds(dataset));
        r.setIncludeBaseInRange(false);
        assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));
        r.setIncludeBaseInRange(true);


        dataset.addValue(-2.0, "R1", "C2");

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        assertNull(r.findRangeBounds(dataset));


        dataset.addValue(1.0, "R1", "C1");
        assertEquals(new Range(0.0, 1.0), r.findRangeBounds(dataset));
        r.setIncludeBaseInRange(false);
        assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));
        r.setIncludeBaseInRange(true);


        dataset.addValue(-2.0, "R1", "C2");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));

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        r.setIncludeBaseInRange(false);
        assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));
        r.setIncludeBaseInRange(true);


        dataset.addValue(-2.0, "R1", "C2");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));


        dataset.addValue(null, "R1", "C3");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));


        dataset.addValue(-6.0, "R2", "C1");

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        dataset.addValue(-2.0, "R1", "C2");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));


        dataset.addValue(null, "R1", "C3");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));


        dataset.addValue(-6.0, "R2", "C1");
        assertEquals(new Range(-6.0, 1.0), r.findRangeBounds(dataset));


        r.setSeriesVisible(1, Boolean.FALSE);

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        dataset.addValue(null, "R1", "C3");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));


        dataset.addValue(-6.0, "R2", "C1");
        assertEquals(new Range(-6.0, 1.0), r.findRangeBounds(dataset));


        r.setSeriesVisible(1, Boolean.FALSE);
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
    }

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        dataset.addValue(-6.0, "R2", "C1");
        assertEquals(new Range(-6.0, 1.0), r.findRangeBounds(dataset));


        r.setSeriesVisible(1, Boolean.FALSE);
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
    }


}

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    /**
     * Some checks for the findRangeBounds() method.
     */
    public void testFindRangeBounds() {
        BarRenderer r = new BarRenderer();
        assertNull(r.findRangeBounds(null));


        // an empty dataset should return a null range
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        assertNull(r.findRangeBounds(dataset));

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        BarRenderer r = new BarRenderer();
        assertNull(r.findRangeBounds(null));


        // an empty dataset should return a null range
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        assertNull(r.findRangeBounds(dataset));


        dataset.addValue(1.0, "R1", "C1");
        assertEquals(new Range(0.0, 1.0), r.findRangeBounds(dataset));
        r.setIncludeBaseInRange(false);
        assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));

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