Example usage for java.awt.geom Point2D getX

Introduction

In this page you can find the example usage for java.awt.geom Point2D getX.

Prototype

public abstract double getX();

Source Link

Document

Returns the X coordinate of this Point2D in double precision.

Usage

From source file:Main.java

private static double extractAngle(AffineTransform at) {
    Point2D p0 = new Point();
    Point2D p1 = new Point(1, 0);
    Point2D pp0 = at.transform(p0, null);
    Point2D pp1 = at.transform(p1, null);
    double dx = pp1.getX() - pp0.getX();
    double dy = pp1.getY() - pp0.getY();
    double angle = Math.atan2(dy, dx);
    return angle;
}

From source file:Main.java

/** Does linear interpolation at x of the line from pt1 to pt2.
 * @param pt1 one endpoint of the line./*from   w w  w  . j av  a 2s  .  c  o m*/
 * @param pt2 another endpoint of the line.
 * @param x the x-coordinate of the interpolated point.
 * @return the desired interpolated point.
 */
public static Point2D interpolate(Point2D pt1, Point2D pt2, double x) {
    double slope = (pt2.getY() - pt1.getY()) / (pt2.getX() - pt1.getX());
    double y = pt1.getY() + (x - pt1.getX()) * slope;
    return new Point2D.Double(x, y);
}

From source file:Main.java

/** Interpolates the given x onto the line of points.
 * @param points//  w  ww .ja v  a2s. c o m
 * @param x
 * @return x interpolated onto the line defined by the points
 */
public static Point2D interpolate(Point2D[] points, double x) {
    // determine the two point boundaries for the line segment
    for (int i = 0; i < points.length - 1; i++) {
        Point2D pt1 = points[i];
        Point2D pt2 = points[i + 1];
        if (x == pt1.getX())
            return new Point2D.Double(pt1.getX(), pt1.getY());
        else if (x < pt2.getX())
            return interpolate(pt1, pt2, x);
    }

    // if we reach here, then x >= the last point
    Point2D pt1 = points[points.length - 2];
    Point2D pt2 = points[points.length - 1];
    if (x == pt2.getX())
        return new Point2D.Double(pt2.getX(), pt2.getY());
    else
        return interpolate(pt1, pt2, x);
}

From source file:FindHullWindowLogic.java

static private boolean areTheSamePoints(Point2D p1, Point2D p2) {
    if (p1.getX() == p2.getX() && p1.getY() == p2.getY())
        return true;
    else// w ww  .j  av a 2s  . c  om
        return false;
}

From source file:GeometryUtilities.java

public static boolean isBetween(Point2D a, Point2D b, Point2D c) {
    double u = c.getX() - a.getX();
    double v = c.getY() - a.getY();
    double tx = (b.getX() - a.getX()) / u;
    double ty = (b.getY() - a.getY()) / v;

    return (tx > 0 && tx < 1) || (ty > 0 && ty < 1);
}

From source file:MonteCarloWindowLogic.java

static private void convertArrayListToXYSeries(XYSeries seriesDestination, ArrayList<Point2D> arrListFrom) {
    for (Point2D onePoint : arrListFrom) {
        seriesDestination.add(onePoint.getX(), onePoint.getY());
    }//  ww w  . j a v  a2 s  .  c  om
}

From source file:Utils.java

public static Shape generatePolygon(int sides, int outsideRadius, int insideRadius) {

    if (sides < 3) {
        return new Ellipse2D.Float(0, 0, 10, 10);
    }//from w w w .  j a v a  2s  .  c  o m

    AffineTransform trans = new AffineTransform();
    Polygon poly = new Polygon();
    for (int i = 0; i < sides; i++) {
        trans.rotate(Math.PI * 2 / (float) sides / 2);
        Point2D out = trans.transform(new Point2D.Float(0, outsideRadius), null);
        poly.addPoint((int) out.getX(), (int) out.getY());
        trans.rotate(Math.PI * 2 / (float) sides / 2);
        if (insideRadius > 0) {
            Point2D in = trans.transform(new Point2D.Float(0, insideRadius), null);
            poly.addPoint((int) in.getX(), (int) in.getY());
        }
    }

    return poly;
}

From source file:org.jcurl.mr.exp.gui.MouseSketchPanel.java

private static void circle(Graphics g, Point2D c, int r) {
    final int x = (int) c.getX();
    final int y = (int) c.getY();
    final int d = 2 * r;
    g.drawArc(x - r, y - r, d, d, 0, 360);
}

From source file:GraphicsUtil.java

public static void drawString(Graphics g, String text, RectangularShape bounds, Align align, double angle) {
    Graphics2D g2 = (Graphics2D) g;
    Font font = g2.getFont();/*from   w  ww.j  a  v  a  2  s .c o m*/
    if (angle != 0)
        g2.setFont(font.deriveFont(AffineTransform.getRotateInstance(Math.toRadians(angle))));

    Rectangle2D sSize = g2.getFontMetrics().getStringBounds(text, g2);
    Point2D pos = getPoint(bounds, align);
    double x = pos.getX();
    double y = pos.getY() + sSize.getHeight();

    switch (align) {
    case North:
    case South:
    case Center:
        x -= (sSize.getWidth() / 2);
        break;
    case NorthEast:
    case East:
    case SouthEast:
        x -= (sSize.getWidth());
        break;
    case SouthWest:
    case West:
    case NorthWest:
        break;
    }

    g2.drawString(text, (float) x, (float) y);
    g2.setFont(font);
}

From source file:FindHullWindowLogic.java

static private void addPointsToSeries(XYSeries seriesDestination) {
    for (Point2D onePoint : importedPointsFromPointsReader) {
        seriesDestination.add(onePoint.getX(), onePoint.getY());
    }/* w w w .j  a v  a  2s .co m*/
}