def get_value(self):
        ''' 
            Returns the estimated DiffeoAction.
        '''
        diffeo = self.est.get_value()
        diffeo_inv = self.est_inv.get_value()

        name = 'uninterpreted'
        action = DiffeoAction(name, diffeo, diffeo_inv, original_cmd=None)
        return action
def consistency_based_uncertainty(action, normalize_distance):
    '''
    Update the uncertainties for the action by the improved uncertainty 
    classification based on comparing the diffeomorphism with its inverse. 
    '''
    # print('Using length score function %s' % length_score)
    d1 = action.diffeo.d
    d2 = action.diffeo_inv.d
    v1, v2 = consistency_based_uncertainty2(d1, d2, normalize_distance)
    D1 = Diffeomorphism2D(d1, v1)
    D2 = Diffeomorphism2D(d2, v2)
    a = DiffeoAction(label=action.label,
                     diffeo=D1,
                     diffeo_inv=D2,
                     original_cmd=action.original_cmd)
    return a
Esempio n. 3
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def DDSFromSymbolic(resolution, symdiffeosystem):  # @UnusedVariable
    """ 
        Creates a DiffeoSystem from synthetic diffeomorphisms. 
    """
    diffeo2s_config = get_diffeo2s_config()
    diffeo2dds_config = get_diffeo2dds_config()

    _, symdds = diffeo2dds_config.symdds.instance_smarter(symdiffeosystem)

    logger.info('Creating symbolic diffeomorphism (resolution = %d)' %
                resolution)

    diffeoactions = []
    for _, action in enumerate(symdds.actions):

        id_diffeo, diffeo = parse_diffeo_spec(diffeo2s_config,
                                              action['diffeo'])
        label = action.get('label', id_diffeo)

        original_cmd = np.array(action['original_cmd'])

        logger.info('Getting symbolic diffeomorphism %r' % id_diffeo)

        shape = (resolution, resolution)
        viewport = SquareDomain([[-1, +1], [-1, +1]])
        manifold = diffeo.get_topology()
        D, Dinfo = diffeo_from_function_viewport(diffeo, manifold, viewport,
                                                 shape)
        D2d = Diffeomorphism2D(D, Dinfo)

        diffeo_inv = diffeo.get_inverse()
        D_inv, Dinfo_inv = \
            diffeo_from_function_viewport(diffeo_inv, manifold, viewport, shape)
        D2d_inv = Diffeomorphism2D(D_inv, Dinfo_inv)

        action = DiffeoAction(label=label,
                              diffeo=D2d,
                              diffeo_inv=D2d_inv,
                              original_cmd=original_cmd)
        diffeoactions.append(action)

    dds = DiffeoSystem('unnamed', actions=diffeoactions)
    return dds
 def make_hard_action(a):
     label = a.label
     diffeo = make_hard(a.get_diffeo2d_backward())
     diffeo_inv = make_hard(a.get_diffeo2d_forward())
     original_cmd = a.original_cmd
     return DiffeoAction(label, diffeo, diffeo_inv, original_cmd)