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

Class org.jfree.chart.renderer.xy.HighLowRenderer

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

org.jfree.chart.renderer.xy.HighLowRenderer.findRangeBounds()
Returns the range of values the renderer requires to display all the items from the specified dataset. @param dataset the dataset (null permitted). @return The range (null if the dataset is nullor empty).

        range = renderer.findRangeBounds(dataset);
        assertEquals(new Range(-1.0, 4.0), range);
        
        // try an empty dataset - should return a null range
        dataset = new DefaultOHLCDataset("S1", new OHLCDataItem[] {});
        range = renderer.findRangeBounds(dataset);
        assertNull(range);
        
        // try a null dataset - should return a null range
        range = renderer.findRangeBounds(null);
        assertNull(range);

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        dataset = new DefaultOHLCDataset("S1", new OHLCDataItem[] {});
        range = renderer.findRangeBounds(dataset);
        assertNull(range);
        
        // try a null dataset - should return a null range
        range = renderer.findRangeBounds(null);
        assertNull(range);
    }


    
}

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