public void TestQuaternionsSlerp5() { Random r = new Random(); Quaternions q1 = new Quaternions(); q1.AxisAngle = new MCvPoint3D64f(0.0, 355.0 / 180 * Math.PI, 0.0); Quaternions q2 = new Quaternions(); q2.AxisAngle = new MCvPoint3D64f(0.0, 5.0 / 180 * Math.PI, 0.0); double epsilon = 1.0e-12; double x = 0, y = 0, z = 0; Quaternions q = q1.Slerp(q2, 0.5); q.GetEuler(ref x, ref y, ref z); EmguAssert.IsFalse(double.IsNaN(x)); EmguAssert.IsFalse(double.IsNaN(y)); EmguAssert.IsFalse(double.IsNaN(z)); double deltaDegree = Math.Abs(y / Math.PI * 180.0 - 0.0); EmguAssert.IsTrue(deltaDegree <= epsilon); q = q2.Slerp(q1, 0.5); q.GetEuler(ref x, ref y, ref z); EmguAssert.IsFalse(double.IsNaN(x)); EmguAssert.IsFalse(double.IsNaN(y)); EmguAssert.IsFalse(double.IsNaN(z)); deltaDegree = Math.Abs(y / Math.PI * 180.0 - 0.0); EmguAssert.IsTrue(deltaDegree <= epsilon); }
public void TestQuaternionsSlerp3() { Random r = new Random(); Quaternions q1 = new Quaternions(); q1.AxisAngle = new MCvPoint3D64f(0.0, 30.0 / 180 * Math.PI, 0.0); Quaternions q2 = new Quaternions(); q2.AxisAngle = new MCvPoint3D64f(0.0, 40.0 / 180 * Math.PI, 0.0); double epsilon = 1.0e-12; double x = 0, y = 0, z = 0; Quaternions q = q1.Slerp(q2, 0.5); q.GetEuler(ref x, ref y, ref z); double deltaDegree = Math.Abs(y / Math.PI * 180.0 - 35.0); EmguAssert.IsTrue(deltaDegree <= epsilon); q = q1.Slerp(q2, 0.8); q.GetEuler(ref x, ref y, ref z); deltaDegree = Math.Abs(y / Math.PI * 180.0 - 38.0); EmguAssert.IsTrue(deltaDegree <= epsilon); q = q1.Slerp(q2, 0.15); q.GetEuler(ref x, ref y, ref z); deltaDegree = Math.Abs(y / Math.PI * 180.0 - 31.5); EmguAssert.IsTrue(deltaDegree <= epsilon); }
public void TestQuaternionEulerAngleAndRotate() { double epsilon = 1.0e-12; Random r = new Random(); Quaternions q1 = new Quaternions(); double roll1 = r.NextDouble(), pitch1 = r.NextDouble(), yaw1 = r.NextDouble(); double roll2 = 0, pitch2 = 0, yaw2 = 0; q1.SetEuler(roll1, pitch1, yaw1); q1.GetEuler(ref roll2, ref pitch2, ref yaw2); EmguAssert.IsTrue(Math.Abs(roll1 - roll2) < epsilon); EmguAssert.IsTrue(Math.Abs(pitch1 - pitch2) < epsilon); EmguAssert.IsTrue(Math.Abs(yaw1 - yaw2) < epsilon); Quaternions q2 = new Quaternions(); q2.SetEuler(r.NextDouble(), r.NextDouble(), r.NextDouble()); MCvPoint3D64f p = new MCvPoint3D64f(r.NextDouble() * 10, r.NextDouble() * 10, r.NextDouble() * 10); MCvPoint3D64f delta = (q1 * q2).RotatePoint(p) - q1.RotatePoint(q2.RotatePoint(p)); EmguAssert.IsTrue(delta.X < epsilon); EmguAssert.IsTrue(delta.Y < epsilon); EmguAssert.IsTrue(delta.Z < epsilon); }
public void TestQuaternions1() { Quaternions q = new Quaternions(); double epsilon = 1.0e-10; Matrix <double> point = new Matrix <double>(3, 1); point.SetRandNormal(new MCvScalar(), new MCvScalar(20)); using (Matrix <double> pt1 = new Matrix <double>(3, 1)) using (Matrix <double> pt2 = new Matrix <double>(3, 1)) using (Matrix <double> pt3 = new Matrix <double>(3, 1)) { double x1 = 1.0, y1 = 0.2, z1 = 0.1; double x2 = 0.0, y2 = 0.0, z2 = 0.0; q.SetEuler(x1, y1, z1); q.GetEuler(ref x2, ref y2, ref z2); EmguAssert.IsTrue( Math.Abs(x2 - x1) < epsilon && Math.Abs(y2 - y1) < epsilon && Math.Abs(z2 - z1) < epsilon); q.RotatePoints(point, pt1); Matrix <double> rMat = new Matrix <double>(3, 3); q.GetRotationMatrix(rMat); CvInvoke.Gemm(rMat, point, 1.0, null, 0.0, pt2, Emgu.CV.CvEnum.GemmType.Default); CvInvoke.AbsDiff(pt1, pt2, pt3); EmguAssert.IsTrue( pt3[0, 0] < epsilon && pt3[1, 0] < epsilon && pt3[2, 0] < epsilon); } double rotationAngle = 0.2; q.SetEuler(rotationAngle, 0.0, 0.0); EmguAssert.IsTrue(Math.Abs(q.RotationAngle - rotationAngle) < epsilon); q.SetEuler(0.0, rotationAngle, 0.0); EmguAssert.IsTrue(Math.Abs(q.RotationAngle - rotationAngle) < epsilon); q.SetEuler(0.0, 0.0, rotationAngle); EmguAssert.IsTrue(Math.Abs(q.RotationAngle - rotationAngle) < epsilon); q = q * q; EmguAssert.IsTrue(Math.Abs(q.RotationAngle / 2.0 - rotationAngle) < epsilon); q.SetEuler(0.2, 0.1, 0.05); double t = q.RotationAngle; q = q * q; EmguAssert.IsTrue(Math.Abs(q.RotationAngle / 2.0 - t) < epsilon); }
public void TestQuaternions1() { Quaternions q = new Quaternions(); double epsilon = 1.0e-10; Matrix<double> point = new Matrix<double>(3, 1); point.SetRandNormal(new MCvScalar(), new MCvScalar(20)); using (Matrix<double> pt1 = new Matrix<double>(3, 1)) using (Matrix<double> pt2 = new Matrix<double>(3, 1)) using (Matrix<double> pt3 = new Matrix<double>(3, 1)) { double x1 = 1.0, y1 = 0.2, z1 = 0.1; double x2 = 0.0, y2 = 0.0, z2 = 0.0; q.SetEuler(x1, y1, z1); q.GetEuler(ref x2, ref y2, ref z2); EmguAssert.IsTrue( Math.Abs(x2 - x1) < epsilon && Math.Abs(y2 - y1) < epsilon && Math.Abs(z2 - z1) < epsilon); q.RotatePoints(point, pt1); Matrix<double> rMat = new Matrix<double>(3, 3); q.GetRotationMatrix(rMat); CvInvoke.Gemm(rMat, point, 1.0, null, 0.0, pt2, Emgu.CV.CvEnum.GemmType.Default); CvInvoke.AbsDiff(pt1, pt2, pt3); EmguAssert.IsTrue( pt3[0, 0] < epsilon && pt3[1, 0] < epsilon && pt3[2, 0] < epsilon); } double rotationAngle = 0.2; q.SetEuler(rotationAngle, 0.0, 0.0); EmguAssert.IsTrue(Math.Abs(q.RotationAngle - rotationAngle) < epsilon); q.SetEuler(0.0, rotationAngle, 0.0); EmguAssert.IsTrue(Math.Abs(q.RotationAngle - rotationAngle) < epsilon); q.SetEuler(0.0, 0.0, rotationAngle); EmguAssert.IsTrue(Math.Abs(q.RotationAngle - rotationAngle) < epsilon); q = q * q; EmguAssert.IsTrue(Math.Abs(q.RotationAngle / 2.0 - rotationAngle) < epsilon); q.SetEuler(0.2, 0.1, 0.05); double t = q.RotationAngle; q = q * q; EmguAssert.IsTrue(Math.Abs(q.RotationAngle / 2.0 - t) < epsilon); }