Example usage for org.jfree.chart.plot.dial DialScale valueToAngle

Introduction

In this page you can find the example usage for org.jfree.chart.plot.dial DialScale valueToAngle.

Prototype

public double valueToAngle(double value);

Source Link

Document

Converts a data value to an angle (in degrees, using the same specification as Java's Arc2D class).

Usage

From source file:com.bdb.weather.display.current.WindDirPointer.java

/**
 * Draws the pointer./* w  ww.  j av  a 2  s.  c om*/
 * 
 * @param g2 The graphics target.
 * @param plot The plot.
 * @param frame The dial's reference frame.
 * @param view The dial's view.
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {
    g2.setPaint(Color.blue);
    g2.setStroke(new BasicStroke(1.0f));
    DialScale scale = plot.getScaleForDataset(getDatasetIndex());
    double value = plot.getValue(getDatasetIndex());
    double angle = scale.valueToAngle(value % 360.0);

    Rectangle2D outerRect = DialPlot.rectangleByRadius(frame, outerRadius, outerRadius);
    Rectangle2D innerRect = DialPlot.rectangleByRadius(frame, outerRadius - innerOffset,
            outerRadius - innerOffset);

    g2.setPaint(getOutlinePaint());
    Arc2D arc1 = new Arc2D.Double(outerRect, angle - (ARC_LENGTH / 2), ARC_LENGTH, Arc2D.OPEN);
    g2.draw(arc1);
    Arc2D arc2 = new Arc2D.Double(innerRect, angle, 0.0, Arc2D.OPEN);
    GeneralPath gp = new GeneralPath();
    gp.moveTo(arc1.getStartPoint().getX(), arc1.getStartPoint().getY());
    gp.lineTo(arc2.getStartPoint().getX(), arc2.getStartPoint().getY());
    gp.lineTo(arc1.getEndPoint().getX(), arc1.getEndPoint().getY());
    g2.draw(gp);
    if (fill) {
        g2.setPaint(getFillPaint());
        g2.fill(gp);
    }
}

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From source file:net.sf.fspdfs.chartthemes.spring.ScaledDialRange.java

/**
 * Draws the range./*from w w w .j  a v  a  2 s  . co  m*/
 * 
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame (in Java2D space).
 * @param view  the dial's view rectangle (in Java2D space).
 */
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    Rectangle2D arcRectInner = DialPlot.rectangleByRadius(frame, this.getInnerRadius(), this.getInnerRadius());
    Rectangle2D arcRectOuter = DialPlot.rectangleByRadius(frame, this.getOuterRadius(), this.getOuterRadius());

    DialScale scale = plot.getScale(this.getScaleIndex());
    if (scale == null) {
        throw new RuntimeException("No scale for scaleIndex = " + this.getScaleIndex());
    }
    double angleMin = scale.valueToAngle(this.getLowerBound());
    double angleMax = scale.valueToAngle(this.getUpperBound());

    Arc2D arcInner = new Arc2D.Double(arcRectInner, angleMin, angleMax - angleMin, Arc2D.OPEN);
    Arc2D arcOuter = new Arc2D.Double(arcRectOuter, angleMax, angleMin - angleMax, Arc2D.OPEN);

    g2.setPaint(this.getPaint());
    g2.setStroke(new BasicStroke(this.lineWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER));
    g2.draw(arcInner);
    g2.draw(arcOuter);
}

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From source file:net.sf.jasperreports.chartthemes.spring.ScaledDialRange.java

/**
 * Draws the range./* ww  w  . j  a v  a  2 s.  c  om*/
 * 
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame (in Java2D space).
 * @param view  the dial's view rectangle (in Java2D space).
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    Rectangle2D arcRectInner = DialPlot.rectangleByRadius(frame, this.getInnerRadius(), this.getInnerRadius());
    Rectangle2D arcRectOuter = DialPlot.rectangleByRadius(frame, this.getOuterRadius(), this.getOuterRadius());

    DialScale scale = plot.getScale(this.getScaleIndex());
    if (scale == null) {
        throw new RuntimeException("No scale for scaleIndex = " + this.getScaleIndex());
    }
    double angleMin = scale.valueToAngle(this.getLowerBound());
    double angleMax = scale.valueToAngle(this.getUpperBound());

    Arc2D arcInner = new Arc2D.Double(arcRectInner, angleMin, angleMax - angleMin, Arc2D.OPEN);
    Arc2D arcOuter = new Arc2D.Double(arcRectOuter, angleMax, angleMin - angleMax, Arc2D.OPEN);

    g2.setPaint(this.getPaint());
    g2.setStroke(new BasicStroke(this.lineWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER));
    g2.draw(arcInner);
    g2.draw(arcOuter);
}

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From source file:net.sf.fspdfs.chartthemes.spring.ScaledDialPointer.java

/**
 * Draws the pointer.//from  w  w w  .ja v  a  2  s .  co m
 *
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view.
 */
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    g2.setStroke(new BasicStroke(1.0f));
    Rectangle2D lengthRect = DialPlot.rectangleByRadius(frame, this.getRadius(), this.getRadius());
    Rectangle2D widthRect = DialPlot.rectangleByRadius(frame, this.getWidthRadius(), this.getWidthRadius());
    double value = ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale);
    DialScale scale = plot.getScaleForDataset(this.getDatasetIndex());
    double angle = scale.valueToAngle(value);

    Arc2D arc1 = new Arc2D.Double(lengthRect, angle, 0, Arc2D.OPEN);
    Point2D pt1 = arc1.getEndPoint();
    Arc2D arc2 = new Arc2D.Double(widthRect, angle - 90.0, 180.0, Arc2D.OPEN);
    Point2D pt2 = arc2.getStartPoint();
    Point2D pt3 = arc2.getEndPoint();
    Arc2D arc3 = new Arc2D.Double(widthRect, angle - 180.0, 0.0, Arc2D.OPEN);
    Point2D pt4 = arc3.getStartPoint();

    GeneralPath gp = new GeneralPath();
    gp.moveTo((float) pt1.getX(), (float) pt1.getY());
    gp.lineTo((float) pt2.getX(), (float) pt2.getY());
    gp.lineTo((float) pt4.getX(), (float) pt4.getY());
    gp.lineTo((float) pt3.getX(), (float) pt3.getY());
    gp.closePath();
    g2.setPaint(this.fillPaint);
    g2.fill(gp);

    g2.setPaint(this.getOutlinePaint());
    Line2D line = new Line2D.Double(frame.getCenterX(), frame.getCenterY(), pt1.getX(), pt1.getY());
    //      g2.draw(line);

    line.setLine(pt2, pt3);
    g2.draw(line);

    line.setLine(pt3, pt1);
    g2.draw(line);

    line.setLine(pt2, pt1);
    g2.draw(line);

    line.setLine(pt2, pt4);
    g2.draw(line);

    line.setLine(pt3, pt4);
    g2.draw(line);
}

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From source file:net.sf.jasperreports.chartthemes.spring.ScaledDialPointer.java

/**
 * Draws the pointer.//from  ww w . j a va  2  s. c  om
 *
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view.
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {

    g2.setStroke(new BasicStroke(1.0f));
    Rectangle2D lengthRect = DialPlot.rectangleByRadius(frame, this.getRadius(), this.getRadius());
    Rectangle2D widthRect = DialPlot.rectangleByRadius(frame, this.getWidthRadius(), this.getWidthRadius());
    double value = ChartThemesUtilities.getScaledValue(plot.getValue(this.getDatasetIndex()), scale);
    DialScale scale = plot.getScaleForDataset(this.getDatasetIndex());
    double angle = scale.valueToAngle(value);

    Arc2D arc1 = new Arc2D.Double(lengthRect, angle, 0, Arc2D.OPEN);
    Point2D pt1 = arc1.getEndPoint();
    Arc2D arc2 = new Arc2D.Double(widthRect, angle - 90.0, 180.0, Arc2D.OPEN);
    Point2D pt2 = arc2.getStartPoint();
    Point2D pt3 = arc2.getEndPoint();
    Arc2D arc3 = new Arc2D.Double(widthRect, angle - 180.0, 0.0, Arc2D.OPEN);
    Point2D pt4 = arc3.getStartPoint();

    GeneralPath gp = new GeneralPath();
    gp.moveTo((float) pt1.getX(), (float) pt1.getY());
    gp.lineTo((float) pt2.getX(), (float) pt2.getY());
    gp.lineTo((float) pt4.getX(), (float) pt4.getY());
    gp.lineTo((float) pt3.getX(), (float) pt3.getY());
    gp.closePath();
    g2.setPaint(this.fillPaint);
    g2.fill(gp);

    g2.setPaint(this.getOutlinePaint());
    Line2D line = new Line2D.Double(frame.getCenterX(), frame.getCenterY(), pt1.getX(), pt1.getY());
    //      g2.draw(line);

    line.setLine(pt2, pt3);
    g2.draw(line);

    line.setLine(pt3, pt1);
    g2.draw(line);

    line.setLine(pt2, pt1);
    g2.draw(line);

    line.setLine(pt2, pt4);
    g2.draw(line);

    line.setLine(pt3, pt4);
    g2.draw(line);
}

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