Package org.jfree.chart.axis

Examples of org.jfree.chart.axis.LogAxis

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     *
     * @param axis  the axis.
     */
    public void setAxisProperties(Axis axis) {
        super.setAxisProperties(axis);
        LogAxis logAxis = (LogAxis) axis;
        if (!isAutoTickUnitSelection()) {
            logAxis.setTickUnit(new NumberTickUnit(manualTickUnitValue));
        }
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        LogAxis a1 = new LogAxis("Test");
        LogAxis a2 = null;
        try {
            a2 = (LogAxis) a1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(a1 != a2);
        assertTrue(a1.getClass() == a2.getClass());
        assertTrue(a1.equals(a2));
    }
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        LogAxis a1 = new LogAxis("Test");
        LogAxis a2 = new LogAxis("Test");
        assertTrue(a1.equals(a2));

        a1.setBase(2.0);
        assertFalse(a1.equals(a2));
        a2.setBase(2.0);
        assertTrue(a1.equals(a2));

        a1.setSmallestValue(0.1);
        assertFalse(a1.equals(a2));
        a2.setSmallestValue(0.1);
        assertTrue(a1.equals(a2));

        a1.setMinorTickCount(8);
        assertFalse(a1.equals(a2));
        a2.setMinorTickCount(8);
        assertTrue(a1.equals(a2));
    }
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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashCode() {
        LogAxis a1 = new LogAxis("Test");
        LogAxis a2 = new LogAxis("Test");
        assertTrue(a1.equals(a2));
        int h1 = a1.hashCode();
        int h2 = a2.hashCode();
        assertEquals(h1, h2);
    }
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    /**
     * Test the translation of Java2D values to data values.
     */
    public void testTranslateJava2DToValue() {
        LogAxis axis = new LogAxis();
        axis.setRange(50.0, 100.0);
        Rectangle2D dataArea = new Rectangle2D.Double(10.0, 50.0, 400.0, 300.0);
        double y1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
        assertEquals(94.3874312681693, y1, EPSILON);
        double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertEquals(94.3874312681693, y2, EPSILON);
        double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertEquals(55.961246381405, x1, EPSILON);
        double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertEquals(55.961246381405, x2, EPSILON);
        axis.setInverted(true);
        double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
        assertEquals(52.9731547179647, y3, EPSILON);
        double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertEquals(52.9731547179647, y4, EPSILON);
        double x3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertEquals(89.3475453695651, x3, EPSILON);
        double x4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertEquals(89.3475453695651, x4, EPSILON);
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        LogAxis a1 = new LogAxis("Test Axis");
        LogAxis a2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(a1);
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            false,
            false,
            false
        );
        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        LogAxis axis = new LogAxis("Log(Y)");
        plot.setRangeAxis(axis);
        assertEquals(0.0, axis.getLowerBound(), EPSILON);
        assertEquals(2.6066426411261268E7, axis.getUpperBound(), EPSILON);
    }
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        dataset.setValue(200.0, "Row 1", "Column 2");
        JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
                "Value", dataset, PlotOrientation.VERTICAL, false, false,
                false);
        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        LogAxis axis = new LogAxis("Log(Y)");
        plot.setRangeAxis(axis);
        assertEquals(96.59363289248458, axis.getLowerBound(), EPSILON);
        assertEquals(207.0529847682752, axis.getUpperBound(), EPSILON);

        // now replacing the dataset should update the axis range...
        DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
        dataset2.setValue(900.0, "Row 1", "Column 1");
        dataset2.setValue(1000.0, "Row 1", "Column 2");
        plot.setDataset(dataset2);
        assertEquals(895.2712433374774, axis.getLowerBound(), EPSILON);
        assertEquals(1005.2819262292991, axis.getUpperBound(), EPSILON);
    }
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            false,
            false,
            false
        );
        XYPlot plot = (XYPlot) chart.getPlot();
        LogAxis axis = new LogAxis("Log(Y)");
        plot.setRangeAxis(axis);
        assertEquals(0.9465508226401592, axis.getLowerBound(), EPSILON);
        assertEquals(3.1694019256486126, axis.getUpperBound(), EPSILON);
    }
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            false,
            false,
            false
        );
        XYPlot plot = (XYPlot) chart.getPlot();
        LogAxis axis = new LogAxis("Log(Y)");
        plot.setRangeAxis(axis);
        assertEquals(0.9465508226401592, axis.getLowerBound(), EPSILON);
        assertEquals(3.1694019256486126, axis.getUpperBound(), EPSILON);
    }
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