Package org.jfree.chart.axis

Examples of org.jfree.chart.axis.LogAxis

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    /**
     * Some checks for the setLowerBound() method.
     */
    public void testSetLowerBound() {
        LogAxis axis = new LogAxis("X");
        axis.setRange(0.0, 10.0);
        axis.setLowerBound(5.0);
        assertEquals(5.0, axis.getLowerBound(), EPSILON);
        axis.setLowerBound(10.0);
        assertEquals(10.0, axis.getLowerBound(), EPSILON);
        assertEquals(11.0, axis.getUpperBound(), EPSILON);
    }
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    /**
     * Checks the default value for the tickMarksVisible flag.
     */
    public void testTickMarksVisibleDefault() {
        LogAxis axis = new LogAxis("Log Axis");
        assertTrue(axis.isTickMarksVisible());
    }
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    /**
     * Checks that a TickUnit with a size of 0 doesn't crash.
     */
    public void testrefreshTicksWithZeroTickUnit() {
        LogAxis axis = new LogAxis();
        AxisState state = new AxisState();
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 = image.createGraphics();
        Rectangle2D area = new Rectangle2D.Double(0.0, 0.0, 200, 100);
        axis.refreshTicks(g2, state, area, RectangleEdge.TOP);
    }
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    }

    public void testTranslateToJava2D_LogAxis() {
       
        Rectangle2D dataArea = new Rectangle2D.Double(0.0, 0.0, 100.0, 100.0);
        ValueAxis axis = new LogAxis();
        axis.setRange(1.0, 100.0);

        PolarPlot plot = new PolarPlot(null, axis, null);
        plot.setMargin(0);
        plot.setAngleOffset(0.0);
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    }

    public void testTranslateToJava2D_LogAxis() {
       
        Rectangle2D dataArea = new Rectangle2D.Double(0.0, 0.0, 100.0, 100.0);
        ValueAxis axis = new LogAxis();
        axis.setRange(1.0, 100.0);

        PolarPlot plot = new PolarPlot(null, axis, null);
        plot.setMargin(0);
        plot.setAngleOffset(0.0);
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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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  • org.jfree.chart.plot.junit.PolarPlotTests
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  • org.jfree.chart.plot.ValueAxisPlot
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