Examples of org.jfree.chart.renderer.xy.XYBarRenderer.findRangeBounds()

Class org.jfree.chart.renderer.xy.XYBarRenderer

Examples of org.jfree.chart.renderer.xy.XYBarRenderer.findRangeBounds()

org.jfree.chart.renderer.xy.XYBarRenderer.findRangeBounds()
Returns the lower and upper bounds (range) of the y-values in the specified dataset. If the renderer is plotting the y-interval from the dataset, this is taken into account for the range. @param dataset the dataset (null permitted). @return The range (null if the dataset isnull or empty).

        Range r = renderer.findRangeBounds(dataset);
        assertEquals(9.0, r.getLowerBound(), EPSILON);
        assertEquals(30.0, r.getUpperBound(), EPSILON);
        
        renderer.setSeriesVisible(1, Boolean.FALSE);
        r = renderer.findRangeBounds(dataset);
        assertEquals(10.0, r.getLowerBound(), EPSILON);
        assertEquals(20.0, r.getUpperBound(), EPSILON);
    }


    /**

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        double[] endy = {1.1, 2.2, 3.3, 4.4};
        double[][] data = new double[][] {x, startx, endx, y, starty, endy};
        dataset.addSeries("Series 1", data);
        XYBarRenderer renderer = new XYBarRenderer();
        renderer.setUseYInterval(true);
        Range r = renderer.findRangeBounds(dataset);
        assertEquals(0.9, r.getLowerBound(), EPSILON);
        assertEquals(4.4, r.getUpperBound(), EPSILON);


        renderer.setUseYInterval(false);
        r = renderer.findRangeBounds(dataset);

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        Range r = renderer.findRangeBounds(dataset);
        assertEquals(0.9, r.getLowerBound(), EPSILON);
        assertEquals(4.4, r.getUpperBound(), EPSILON);


        renderer.setUseYInterval(false);
        r = renderer.findRangeBounds(dataset);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(4.0, r.getUpperBound(), EPSILON);
    }


    /**

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        dataset.addSeries(s1);
        dataset.addSeries(s2);
        
        XYBarRenderer renderer = new XYBarRenderer();
        renderer.setUseYInterval(false);
        Range r = renderer.findRangeBounds(dataset);
        assertEquals(9.0, r.getLowerBound(), EPSILON);
        assertEquals(30.0, r.getUpperBound(), EPSILON);
        
        renderer.setSeriesVisible(1, Boolean.FALSE);
        r = renderer.findRangeBounds(dataset);

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        double[] endy = {1.1, 2.2, 3.3, 4.4};
        double[][] data = new double[][] {x, startx, endx, y, starty, endy};
        dataset.addSeries("Series 1", data);
        XYBarRenderer renderer = new XYBarRenderer();
        renderer.setUseYInterval(true);
        Range r = renderer.findRangeBounds(dataset);
        assertEquals(0.9, r.getLowerBound(), EPSILON);
        assertEquals(4.4, r.getUpperBound(), EPSILON);


        renderer.setUseYInterval(false);
        r = renderer.findRangeBounds(dataset);

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        Range r = renderer.findRangeBounds(dataset);
        assertEquals(0.9, r.getLowerBound(), EPSILON);
        assertEquals(4.4, r.getUpperBound(), EPSILON);


        renderer.setUseYInterval(false);
        r = renderer.findRangeBounds(dataset);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(4.0, r.getUpperBound(), EPSILON);
    }


    /**

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