Examples of XYPointerAnnotation

org.jfree.chart.annotations.XYPointerAnnotation
An arrow and label that can be placed on an {@link XYPlot}. The arrow is drawn at a user-definable angle so that it points towards the (x, y) location for the annotation.
The arrow length (and its offset from the (x, y) location) is controlled by the tip radius and the base radius attributes. Imagine two circles around the (x, y) coordinate: the inner circle defined by the tip radius, and the outer circle defined by the base radius. Now, draw the arrow starting at some point on the outer circle (the point is determined by the angle), with the arrow tip being drawn at a corresponding point on the inner circle.

Examples of org.jfree.chart.annotations.XYPointerAnnotation

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0,
                Math.PI);
        XYPointerAnnotation a2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(a1);

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Examples of org.jfree.chart.annotations.XYPointerAnnotation

                    CircleDrawer cd = new CircleDrawer(
                            Color.red, new BasicStroke(1.0f), null
                            );
                    XYAnnotation locationSelected = new XYDrawableAnnotation( xx, yy, 11, 11, cd );
                    plot.addAnnotation(locationSelected);
                    XYPointerAnnotation pointer = new XYPointerAnnotation(
                            formatAnnotation( xx,  yy).toString(), xx, yy, Math.PI - knob.getAngle() );
                    pointer.setBaseRadius(35.0);
                    pointer.setTipRadius(10.0);
                    pointer.setFont(new Font("SansSerif", Font.PLAIN, 9));
                    pointer.setPaint(Color.blue);
                    pointer.setTextAnchor(TextAnchor.HALF_ASCENT_RIGHT);
                    //this just corrects for label slightly overlapping the
                    //arrow at certain angles.
                    if (Math.cos(this.knob.getAngle())<0 && Math.sin(this.knob.getAngle())<0) {
                        pointer.setLabelOffset(8.0);
                        pointer.setTextAnchor(TextAnchor.HALF_ASCENT_LEFT);
                    }
                    if (Math.cos(this.knob.getAngle())<0 && Math.sin(this.knob.getAngle())>0) {
                        pointer.setLabelOffset(5.0);
                        pointer.setTextAnchor(TextAnchor.HALF_ASCENT_LEFT);
                    }
                    plot.addAnnotation(pointer);
                }
            }
        }

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Examples of org.jfree.chart.annotations.XYPointerAnnotation

        this.endPoint = this.createPointAnnotation(this.paramModel.getEndPos());
        this.createLines();
    }


    private XYPointerAnnotation createLabelAnnotation(String label, ParameterCoord p, double angle) {
        XYPointerAnnotation pointer = new XYPointerAnnotation(label, p.getxCoord().doubleValue(),
                p.getyCoord().doubleValue(), angle);
        pointer.setBaseRadius(35.0);
        pointer.setTipRadius(15.0);
        pointer.setArrowPaint(this.fillPaint);
        pointer.setFont(new Font("SansSerif", Font.BOLD, 12));
        pointer.setPaint(this.fillPaint);
        pointer.setTextAnchor(TextAnchor.HALF_ASCENT_RIGHT);
        return pointer;
    }

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Examples of org.jfree.chart.annotations.XYPointerAnnotation

    XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)xyplot.getRenderer();
    xylineandshaperenderer.setBaseToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
    xylineandshaperenderer.setBaseShapesVisible(true);
    xylineandshaperenderer.setBaseShapesFilled(true);
    
    XYPointerAnnotation xypointerannotation = new XYPointerAnnotation("Annotation 1 (2.0, 167.3)", 2D, 167.30000000000001D, -0.78539816339744828D);
    xypointerannotation.setTextAnchor(TextAnchor.BOTTOM_LEFT);
    xypointerannotation.setPaint(Color.red);
    xypointerannotation.setArrowPaint(Color.red);
    xylineandshaperenderer.addAnnotation(xypointerannotation);
    xylineandshaperenderer.addAnnotation(new XYPointerAnnotation("我的一个", 4D, 167.59999999999999D, -0.76));
    
    XYLineAndShapeRenderer xylineandshaperenderer1 = new XYLineAndShapeRenderer(true, true);
    xylineandshaperenderer1.setSeriesPaint(0, Color.black);
    xylineandshaperenderer.setBaseToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
    XYPointerAnnotation xypointerannotation1 = new XYPointerAnnotation("Annotation 2 (15.0, 613.2)", 15D, 613.20000000000005D, 1.5707963267948966D);
    xypointerannotation1.setTextAnchor(TextAnchor.TOP_CENTER);
    xylineandshaperenderer1.addAnnotation(xypointerannotation1);
    xyplot.setRenderer(1, xylineandshaperenderer1);
    LegendTitle legendtitle = new LegendTitle(xylineandshaperenderer);
    LegendTitle legendtitle1 = new LegendTitle(xylineandshaperenderer1);
    BlockContainer blockcontainer = new BlockContainer(new BorderArrangement());

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Examples of org.jfree.chart.annotations.XYPointerAnnotation

    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        
        XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI);
        XYPointerAnnotation a2 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI);
        assertTrue(a1.equals(a2));
        
        //private double angle;
        a1.setAngle(Math.PI / 4.0);
        assertFalse(a1.equals(a2));
        a2.setAngle(Math.PI / 4.0);
        assertTrue(a1.equals(a2));
        
        //private double tipRadius;
        a1.setTipRadius(20.0);
        assertFalse(a1.equals(a2));
        a2.setTipRadius(20.0);
        assertTrue(a1.equals(a2));


        //private double baseRadius;
        a1.setBaseRadius(5.0);
        assertFalse(a1.equals(a2));
        a2.setBaseRadius(5.0);
        assertTrue(a1.equals(a2));
        
        //private double arrowLength;
        a1.setArrowLength(33.0);
        assertFalse(a1.equals(a2));
        a2.setArrowLength(33.0);
        assertTrue(a1.equals(a2));
        
        //private double arrowWidth;
        a1.setArrowWidth(9.0);
        assertFalse(a1.equals(a2));
        a2.setArrowWidth(9.0);
        assertTrue(a1.equals(a2));
        
        //private Stroke arrowStroke;
        Stroke stroke = new BasicStroke(1.5f);
        a1.setArrowStroke(stroke);
        assertFalse(a1.equals(a2));
        a2.setArrowStroke(stroke);
        assertTrue(a1.equals(a2));
        
        //private Paint arrowPaint;
        a1.setArrowPaint(Color.blue);
        assertFalse(a1.equals(a2));
        a2.setArrowPaint(Color.blue);
        assertTrue(a1.equals(a2));


        //private double labelOffset;
        a1.setLabelOffset(10.0);
        assertFalse(a1.equals(a2));
        a2.setLabelOffset(10.0);
        assertTrue(a1.equals(a2));
      
    }

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Examples of org.jfree.chart.annotations.XYPointerAnnotation

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {


        XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI);
        XYPointerAnnotation a2 = null;
        try {
            a2 = (XYPointerAnnotation) a1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("XYPointerAnnotationTests.testCloning: failed to clone.");
        }
        assertTrue(a1 != a2);
        assertTrue(a1.getClass() == a2.getClass());
        assertTrue(a1.equals(a2));
    }

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Examples of org.jfree.chart.annotations.XYPointerAnnotation

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI);
        XYPointerAnnotation a2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(a1);

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Examples of org.jfree.chart.annotations.XYPointerAnnotation

    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        
        XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, 
                Math.PI);
        XYPointerAnnotation a2 = new XYPointerAnnotation("Label", 10.0, 20.0, 
                Math.PI);
        assertTrue(a1.equals(a2));
        
        a1 = new XYPointerAnnotation("Label2", 10.0, 20.0, Math.PI);
        assertFalse(a1.equals(a2));
        a2 = new XYPointerAnnotation("Label2", 10.0, 20.0, Math.PI);
        assertTrue(a1.equals(a2));
        
        a1.setX(11.0);
        assertFalse(a1.equals(a2));
        a2.setX(11.0);
        assertTrue(a1.equals(a2));
        
        a1.setY(22.0);
        assertFalse(a1.equals(a2));
        a2.setY(22.0);
        assertTrue(a1.equals(a2));
        
        //private double angle;
        a1.setAngle(Math.PI / 4.0);
        assertFalse(a1.equals(a2));
        a2.setAngle(Math.PI / 4.0);
        assertTrue(a1.equals(a2));
        
        //private double tipRadius;
        a1.setTipRadius(20.0);
        assertFalse(a1.equals(a2));
        a2.setTipRadius(20.0);
        assertTrue(a1.equals(a2));


        //private double baseRadius;
        a1.setBaseRadius(5.0);
        assertFalse(a1.equals(a2));
        a2.setBaseRadius(5.0);
        assertTrue(a1.equals(a2));
        
        //private double arrowLength;
        a1.setArrowLength(33.0);
        assertFalse(a1.equals(a2));
        a2.setArrowLength(33.0);
        assertTrue(a1.equals(a2));
        
        //private double arrowWidth;
        a1.setArrowWidth(9.0);
        assertFalse(a1.equals(a2));
        a2.setArrowWidth(9.0);
        assertTrue(a1.equals(a2));
        
        //private Stroke arrowStroke;
        Stroke stroke = new BasicStroke(1.5f);
        a1.setArrowStroke(stroke);
        assertFalse(a1.equals(a2));
        a2.setArrowStroke(stroke);
        assertTrue(a1.equals(a2));
        
        //private Paint arrowPaint;
        a1.setArrowPaint(Color.blue);
        assertFalse(a1.equals(a2));
        a2.setArrowPaint(Color.blue);
        assertTrue(a1.equals(a2));


        //private double labelOffset;
        a1.setLabelOffset(10.0);
        assertFalse(a1.equals(a2));
        a2.setLabelOffset(10.0);
        assertTrue(a1.equals(a2));
      
    }

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Examples of org.jfree.chart.annotations.XYPointerAnnotation


    /**
     * Two objects that are equal are required to return the same hashCode. 
     */
    public void testHashCode() {
        XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, 
                Math.PI);
        XYPointerAnnotation a2 = new XYPointerAnnotation("Label", 10.0, 20.0, 
                Math.PI);
        assertTrue(a1.equals(a2));
        int h1 = a1.hashCode();
        int h2 = a2.hashCode();
        assertEquals(h1, h2);
    }

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Examples of org.jfree.chart.annotations.XYPointerAnnotation

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {


        XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, 
                Math.PI);
        XYPointerAnnotation a2 = null;
        try {
            a2 = (XYPointerAnnotation) a1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(a1 != a2);
        assertTrue(a1.getClass() == a2.getClass());
        assertTrue(a1.equals(a2));
    }

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