IDL Routine : Rotation Matrix to Euler AnglesJonathan Gagné
# Calculates rotation matrix to euler angles# The result is the same as MATLAB except the order# of the euler angles ( x and z are swapped ).def rotationMatrixToEulerAngles(R) : assert(isRotationMatrix(R)) sy = math.sqrt(R[0,0] * R[0,0] + R[1,0] * R[1,0]) singular = ...
# Calculates Rotation Matrix given euler angles. def eulerAnglesToRotationMatrix(theta) : R_x = np.array([[1, 0, 0 ], [0, math.cos(theta[0]), -math.sin(theta[0]) ], [0, math.sin(theta[0]), math.cos(theta[0]) ] ]) R_y = np.array([[math.cos(theta[1]), 0, math....
// Calculates rotation matrix given euler angles.Mat eulerAnglesToRotationMatrix(Vec3f &theta){ // Calculate rotation about x axis Mat R_x = (Mat_<double>(3,3) << 1, 0, 0, 0, cos(theta[0]), -sin(theta[0]), 0, sin(theta[0]), cos(theta[0]) ); // Calculate rotation about...
// Checks if a matrix is a valid rotation matrix.boolisRotationMatrix(Mat&R){Mat Rt;transpose(R,Rt);Mat shouldBeIdentity=Rt*R;Mat I=Mat::eye(3,3,shouldBeIdentity.type());returnnorm(I,shouldBeIdentity)<1e-6;}// Calculates rotation matrix to euler angles// The result is the same ...
Convert from Direction Cosine Matrix to Euler Angles
IDL Routine : Euler Angles to Rotation MatrixJonathan Gagné
Convert from Euler Angles to Direction Cosine Matrix