Examples with UtilPoint2D_I32 georegression.geometry.UtilPoint2D_I32 used on opensource projects

Example 1 with UtilPoint2D_I32

use of georegression.geometry.UtilPoint2D_I32 in project BoofCV by lessthanoptimal.

the class SelectRegionDescriptionPanel method mousePressed.

@Override
public void mousePressed(MouseEvent e) {
    int x = (int) (e.getX() / imageScale);
    int y = (int) (e.getY() / imageScale);
    // see if the mouse click was on the image
    if (x < 0 || x >= background.getWidth() || y < 0 || y >= background.getHeight()) {
        if (target != null) {
            repaint();
            if (listener != null) {
                listener.descriptionChanged(null, 0, 0);
            }
        }
        target = null;
        current = null;
    } else {
        boolean adjusted = false;
        if (target != null) {
            // if the user clicked on the center point enter drag mode
            int targetX = (int) (target.x * imageScale);
            int targetY = (int) (target.y * imageScale);
            double distance = UtilPoint2D_I32.distance(e.getX(), e.getY(), targetX, targetY);
            if (distance < clickTolerance) {
                // adjust the target to be at the cursor
                dragMode = true;
                current.x += x - target.x;
                current.y += y - target.y;
                target.set(x, y);
                adjusted = true;
            } else {
                // see if the user clicked on the circle, if so go into adjustment mode
                double radiusCircle = imageScale * UtilPoint2D_I32.distance(target, current);
                distance = Math.abs(distance - radiusCircle);
                if (distance < clickTolerance) {
                    current.set(x, y);
                    adjusted = true;
                }
            }
        }
        if (adjusted) {
            repaint();
            if (listener != null) {
                listener.descriptionChanged(target, getFeatureRadius(), getFeatureOrientation());
            }
        } else {
            dragMode = false;
            target = new Point2D_I32(x, y);
            current = target.copy();
            repaint();
        }
    }
}

Example 2 with UtilPoint2D_I32

use of georegression.geometry.UtilPoint2D_I32 in project BoofCV by lessthanoptimal.

the class VisualizeHogDescriptorApp method selectRegion.

private void selectRegion(int x, int y) {
    int bestIndex = -1;
    synchronized (hogLock) {
        double bestDistance = Double.MAX_VALUE;
        List<Point2D_I32> locations = hog.getLocations();
        for (int i = 0; i < locations.size(); i++) {
            Point2D_I32 p = locations.get(i);
            double d = UtilPoint2D_I32.distance(p.x, p.y, x, y);
            if (d < bestDistance) {
                bestDistance = d;
                bestIndex = i;
            }
        }
        if (bestIndex >= 0) {
            selectedPixel = new Point2D_I32(x, y);
            selectedIndex = bestIndex;
            targetDesc = hog.getDescriptions().get(bestIndex);
            targetLocation = hog.getLocations().get(bestIndex);
            imagePanel.repaint();
        }
    }
}

Example 3 with UtilPoint2D_I32

use of georegression.geometry.UtilPoint2D_I32 in project BoofCV by lessthanoptimal.

the class SplitMergeLineFitLoop method selectFarthest.

/**
 * Computes the distance between pairs of points which are separated by 1/2 the contour list. The index of the
 * first pixel in the pair with the greatest distance is returned
 * @return Index of the first pixel which should be used to split the list.  The other end is ret + N/2
 */
protected int selectFarthest(List<Point2D_I32> contour) {
    int bestIndex = -1;
    int bestDistance = 0;
    int N = contour.size();
    int half = N / 2;
    for (int i = 0; i < half; i++) {
        int end = (i + half) % N;
        Point2D_I32 a = contour.get(i);
        Point2D_I32 b = contour.get(end);
        int dist = UtilPoint2D_I32.distanceSq(a.x, a.y, b.x, b.y);
        if (bestDistance < dist) {
            bestIndex = i;
            bestDistance = dist;
        }
    }
    return bestIndex;
}