Examples of org.jfree.chart.axis.DateAxis.java2DToValue()

org.jfree.chart.axis.DateAxis.java2DToValue()
Translates a Java2D coordinate into the corresponding data value. To perform this translation, you need to know the area used for plotting data, and which edge the axis is located on. @param java2DValue the coordinate in Java2D space. @param area the rectangle (in Java2D space) where the data is to beplotted. @param edge the axis location. @return A data value.

     */
    public void testJava2DToValue() {
        DateAxis axis = new DateAxis();
        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);
        assertTrue(same(y1, 95.8333333, 1.0));
        double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y2, 95.8333333, 1.0));
        double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x1, 58.125, 1.0));

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        DateAxis axis = new DateAxis();
        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);
        assertTrue(same(y1, 95.8333333, 1.0));
        double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y2, 95.8333333, 1.0));
        double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x1, 58.125, 1.0));
        double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertTrue(same(x2, 58.125, 1.0));

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        Rectangle2D dataArea = new Rectangle2D.Double(10.0, 50.0, 400.0, 300.0);
        double y1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
        assertTrue(same(y1, 95.8333333, 1.0));
        double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y2, 95.8333333, 1.0));
        double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x1, 58.125, 1.0));
        double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertTrue(same(x2, 58.125, 1.0));
        axis.setInverted(true);
        double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);

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        assertTrue(same(y1, 95.8333333, 1.0));
        double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y2, 95.8333333, 1.0));
        double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x1, 58.125, 1.0));
        double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertTrue(same(x2, 58.125, 1.0));
        axis.setInverted(true);
        double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
        assertTrue(same(y3, 54.1666667, 1.0));
        double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);

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        double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x1, 58.125, 1.0));
        double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertTrue(same(x2, 58.125, 1.0));
        axis.setInverted(true);
        double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
        assertTrue(same(y3, 54.1666667, 1.0));
        double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y4, 54.1666667, 1.0));
        double x3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x3, 91.875, 1.0));

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        double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertTrue(same(x2, 58.125, 1.0));
        axis.setInverted(true);
        double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
        assertTrue(same(y3, 54.1666667, 1.0));
        double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y4, 54.1666667, 1.0));
        double x3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x3, 91.875, 1.0));
        double x4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertTrue(same(x4, 91.875, 1.0));

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        axis.setInverted(true);
        double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
        assertTrue(same(y3, 54.1666667, 1.0));
        double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y4, 54.1666667, 1.0));
        double x3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x3, 91.875, 1.0));
        double x4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertTrue(same(x4, 91.875, 1.0));
    }

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        assertTrue(same(y3, 54.1666667, 1.0));
        double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y4, 54.1666667, 1.0));
        double x3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x3, 91.875, 1.0));
        double x4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertTrue(same(x4, 91.875, 1.0));
    }


    /**
     * Serialize an instance, restore it, and check for equality.

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     */
    public void testJava2DToValue() {
        DateAxis axis = new DateAxis();
        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);
        assertTrue(same(y1, 95.8333333, 1.0));
        double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y2, 95.8333333, 1.0));
        double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x1, 58.125, 1.0));

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        DateAxis axis = new DateAxis();
        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);
        assertTrue(same(y1, 95.8333333, 1.0));
        double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
        assertTrue(same(y2, 95.8333333, 1.0));
        double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
        assertTrue(same(x1, 58.125, 1.0));
        double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
        assertTrue(same(x2, 58.125, 1.0));

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