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);