Examples with AssociatedPair boofcv.struct.geo.AssociatedPair used on opensource projects

Example 91 with AssociatedPair

use of boofcv.struct.geo.AssociatedPair in project BoofCV by lessthanoptimal.

the class TestDistanceScaleTranslateRotate2DSq method apply.

public static AssociatedPair apply(double x, double y, ScaleTranslateRotate2D model) {
    AssociatedPair p = new AssociatedPair();
    p.p1.set(x, y);
    double c = Math.cos(model.theta);
    double s = Math.sin(model.theta);
    p.p2.x = (x * c - y * s) * model.scale + model.transX;
    p.p2.y = (x * s + y * c) * model.scale + model.transY;
    return p;
}

Example 92 with AssociatedPair

use of boofcv.struct.geo.AssociatedPair in project BoofCV by lessthanoptimal.

the class TestDistanceScaleTranslateRotate2DSq method perfect.

@Test
public void perfect() {
    ScaleTranslateRotate2D model = new ScaleTranslateRotate2D(0.2, 1.5, -2, 3);
    AssociatedPair a = apply(-5, 4, model);
    DistanceScaleTranslateRotate2DSq alg = new DistanceScaleTranslateRotate2DSq();
    alg.setModel(model);
    assertEquals(0, alg.computeDistance(a), 1e-8);
}

Example 93 with AssociatedPair

use of boofcv.struct.geo.AssociatedPair in project BoofCV by lessthanoptimal.

the class TestDistanceScaleTranslateRotate2DSq method multiple.

@Test
public void multiple() {
    ScaleTranslateRotate2D model = new ScaleTranslateRotate2D(0.2, 1.5, -2, 3);
    AssociatedPair a = apply(-5, 4, model);
    a.p2.x += 3.5;
    AssociatedPair b = apply(2.15, 2, model);
    List<AssociatedPair> obs = new ArrayList<>();
    obs.add(a);
    obs.add(b);
    DistanceScaleTranslateRotate2DSq alg = new DistanceScaleTranslateRotate2DSq();
    alg.setModel(model);
    double[] found = new double[2];
    alg.computeDistance(obs, found);
    assertEquals(3.5 * 3.5, found[0], 1e-8);
    assertEquals(0, found[1], 1e-8);
}

Example 94 with AssociatedPair

use of boofcv.struct.geo.AssociatedPair in project BoofCV by lessthanoptimal.

the class TestGenerateScaleTranslate2D method onePointAtZero_a.

/**
 * Possible pathological case.  One point is at zero.
 */
@Test
public void onePointAtZero_a() {
    ScaleTranslate2D model = new ScaleTranslate2D(1.5, -2, 3);
    AssociatedPair a = TestDistanceScaleTranslate2DSq.apply(0, 0, model);
    AssociatedPair b = TestDistanceScaleTranslate2DSq.apply(2, 3, model);
    List<AssociatedPair> obs = new ArrayList<>();
    obs.add(a);
    obs.add(b);
    ScaleTranslate2D found = new ScaleTranslate2D();
    GenerateScaleTranslate2D alg = new GenerateScaleTranslate2D();
    assertTrue(alg.generate(obs, found));
    assertEquals(model.transX, found.transX, 1e-8);
    assertEquals(model.transY, found.transY, 1e-8);
    assertEquals(model.scale, found.scale, 1e-8);
}

Example 95 with AssociatedPair

use of boofcv.struct.geo.AssociatedPair in project BoofCV by lessthanoptimal.

the class TestGenerateSe2_AssociatedPair method createRandomPointFromModel.

@Override
public AssociatedPair createRandomPointFromModel(Se2_F64 motion) {
    Point2D_F64 location = new Point2D_F64(rand.nextGaussian(), rand.nextGaussian());
    Point2D_F64 observation = new Point2D_F64();
    SePointOps_F64.transform(motion, location, observation);
    return new AssociatedPair(location, observation);
}