Examples with InvertibleTransformSequence georegression.transform.InvertibleTransformSequence used on opensource projects

Example 1 with InvertibleTransformSequence

use of georegression.transform.InvertibleTransformSequence in project BoofCV by lessthanoptimal.

the class DistortSupport method transformRotate.

/**
 * Creates a {@link boofcv.alg.distort.PixelTransformAffine_F32} from the dst image into the src image.
 *
 * @param x0 Center of rotation in input image coordinates.
 * @param y0 Center of rotation in input image coordinates.
 * @param x1 Center of rotation in output image coordinates.
 * @param y1 Center of rotation in output image coordinates.
 * @param angle Angle of rotation.
 */
public static PixelTransformAffine_F32 transformRotate(float x0, float y0, float x1, float y1, float angle) {
    // make the coordinate system's origin the image center
    Se2_F32 imageToCenter = new Se2_F32(-x0, -y0, 0);
    Se2_F32 rotate = new Se2_F32(0, 0, angle);
    Se2_F32 centerToImage = new Se2_F32(x1, y1, 0);
    InvertibleTransformSequence sequence = new InvertibleTransformSequence();
    sequence.addTransform(true, imageToCenter);
    sequence.addTransform(true, rotate);
    sequence.addTransform(true, centerToImage);
    Se2_F32 total = new Se2_F32();
    sequence.computeTransform(total);
    Se2_F32 inv = total.invert(null);
    Affine2D_F32 affine = ConvertTransform_F32.convert(inv, (Affine2D_F32) null);
    PixelTransformAffine_F32 distort = new PixelTransformAffine_F32();
    distort.set(affine);
    return distort;
}