Exemplo n.º 1
0
def matrixFromGeometry(shifts, angles, inverseTransform):
    """ Create the transformation matrix from a given
    2D shifts in X and Y...and the 3 euler angles.
    """
    from pyworkflow.em.transformations import euler_matrix
    radAngles = -numpy.deg2rad(angles)

    M = euler_matrix(radAngles[0], radAngles[1], radAngles[2], 'szyz')
    if inverseTransform:
        M[:3, 3] = -shifts[:3]
        M = numpy.linalg.inv(M)
    else:
        M[:3, 3] = shifts[:3]

    return M
Exemplo n.º 2
0
def matrixFromGeometry(shifts, angles, inverseTransform):
    """ Create the transformation matrix from a given
    2D shifts in X and Y...and the 3 euler angles.
    """
    from pyworkflow.em.transformations import euler_matrix
    radAngles = -numpy.deg2rad(angles)

    M = euler_matrix(radAngles[0], radAngles[1], radAngles[2], 'szyz')
    if inverseTransform:
        M[:3, 3] = -shifts[:3]
        M = numpy.linalg.inv(M)
    else:
        M[:3, 3] = shifts[:3]

    return M
Exemplo n.º 3
0
def matrixFromGeometry(shifts, angles, inverseTransform):
    """ Create the transformation matrix from a given
    2D shifts in X and Y...and the 3 euler angles.
    """
    from pyworkflow.em.transformations import euler_matrix
    #angles list is in radians, but sign changed
    radAngles = -angles

    M = euler_matrix(radAngles[0], radAngles[1], radAngles[2], 'szyz')
    if inverseTransform:
        from numpy.linalg import inv
        M[:3, 3] = -shifts[:3]
        M = inv(M)
    else:
        M[:3, 3] = shifts[:3]

    return M
Exemplo n.º 4
0
def matrixFromGeometry(shifts, angles, inverseTransform):
    """ Create the transformation matrix from a given
    2D shifts in X and Y...and the 3 euler angles.
    """
    from pyworkflow.em.transformations import euler_matrix
    #angles list is in radians, but sign changed
    radAngles = -angles
    
    M = euler_matrix(radAngles[0], radAngles[1], radAngles[2], 'szyz')
    if inverseTransform:
        from numpy.linalg import inv
        M[:3, 3] = -shifts[:3]
        M = inv(M)
    else:
        M[:3, 3] = shifts[:3]

    return M