Exemplo n.º 1
0
    def __init__(self, wind=None, extrapolate=False, **kwargs):
        #def __init__(self, wind=None, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.

        .. note:: Can be initialized with wind=None; however, wind must be
            set before running. If wind is not None, toggle make_default_refs
            to False since user provided a valid Wind and does not wish to
            use the default from the Model.
        """
        self.mover = CyWindMover()

        self._wind = None
        if wind is not None:
            self.wind = wind
            kwargs['make_default_refs'] = \
                kwargs.pop('make_default_refs', False)
            kwargs['name'] = \
                kwargs.pop('name', wind.name)

        self.extrapolate = extrapolate
        # set optional attributes
        super(WindMover, self).__init__(**kwargs)

        # this will have to be updated when wind is set or changed
        if self.wind is not None:
            self.real_data_start = time_utils.sec_to_datetime(
                self.wind.ossm.get_start_time())
            self.real_data_stop = time_utils.sec_to_datetime(
                self.wind.ossm.get_end_time())
Exemplo n.º 2
0
def test_LE_not_in_water():
    """
    Tests get_move returns 0 for LE's that have a status
    different from in_water
    """

    wm = CyWindMover()
    cm = cy_fixtures.CyTestMove()
    delta = np.zeros((cm.num_le, ), dtype=world_point)
    cm.status[:] = 0

    wm.prepare_for_model_step(cm.model_time, cm.time_step)
    wm.get_move(
        cm.model_time,
        cm.time_step,
        cm.ref,
        delta,
        cm.windage,
        cm.status,
        spill_type.forecast,
        )

    assert np.all(delta['lat'] == 0)
    assert np.all(delta['long'] == 0)
    assert np.all(delta['z'] == 0)
Exemplo n.º 3
0
    def __init__(self, wind=None, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.

        .. note:: Can be initialized with wind=None; however, wind must be
            set before running. If wind is not None, toggle make_default_refs
            to False since user provided a valid Wind and does not wish to
            use the default from the Model.
        """
        self.mover = CyWindMover()

        self._wind = None
        if wind is not None:
            self.wind = wind
            self.name = wind.name
            kwargs['make_default_refs'] = kwargs.pop('make_default_refs',
                                                     False)
            kwargs['name'] = kwargs.pop('name', wind.name)

        # set optional attributes
        super(WindMover, self).__init__(**kwargs)
def test_properties():
    wm = CyWindMover()

    wm.uncertain_duration = 1
    wm.uncertain_time_delay = 2
    wm.uncertain_speed_scale = 3
    wm.uncertain_angle_scale = 4

    assert wm.uncertain_duration == 1
    assert wm.uncertain_time_delay == 2
    assert wm.uncertain_speed_scale == 3
    assert wm.uncertain_angle_scale == 4
Exemplo n.º 5
0
class ConstantWindWithOSSM(cy_fixtures.CyTestMove):
    """
    This defines the OSSMTimeValue_c object using the CyTimeseries class,
    then uses the set_ossm method of CyWindMover object to set the
    time_dep member of the underlying WindMover_c C++ object

    Used for test setup
    """
    wm = CyWindMover()

    def __init__(self):
        super(ConstantWindWithOSSM, self).__init__()

        time_val = np.empty((1, ), dtype=time_value_pair)
        time_val['time'] = 0  # should not matter
        time_val['value'] = const_wind

        self.ossm = CyTimeseries(timeseries=time_val)
        self.wm.set_ossm(self.ossm)

    def test_move(self):
        """
        invoke get_move (no uncertainty)
        """
        self.wm.prepare_for_model_step(self.model_time, self.time_step)
        self.wm.get_move(self.model_time, self.time_step, self.ref, self.delta,
                         self.windage, self.status, spill_type.forecast)

    def test_move_uncertain(self):
        """ invoke get_move (uncertain LEs) """
        self.wm.prepare_for_model_step(self.model_time, self.time_step,
                                       len(self.spill_size), self.spill_size)
        self.wm.get_move(self.model_time, self.time_step, self.ref,
                         self.u_delta, self.windage, self.status,
                         spill_type.uncertainty)
Exemplo n.º 6
0
    def __init__(self, wind=None, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.

        .. note:: Can be initialized with wind=None; however, wind must be
            set before running. If wind is not None, toggle make_default_refs
            to False since user provided a valid Wind and does not wish to
            use the default from the Model.
        """
        self.mover = CyWindMover()

        self._wind = None
        if wind is not None:
            self.wind = wind
            kwargs['make_default_refs'] = \
                kwargs.pop('make_default_refs', False)
            kwargs['name'] = \
                kwargs.pop('name', wind.name)

        # set optional attributes
        super(WindMover, self).__init__(**kwargs)
Exemplo n.º 7
0
    def __init__(self, wind=None, extrapolate=False, **kwargs):
    #def __init__(self, wind=None, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.

        .. note:: Can be initialized with wind=None; however, wind must be
            set before running. If wind is not None, toggle make_default_refs
            to False since user provided a valid Wind and does not wish to
            use the default from the Model.
        """
        self.mover = CyWindMover()

        self._wind = None
        if wind is not None:
            self.wind = wind
            kwargs['make_default_refs'] = \
                kwargs.pop('make_default_refs', False)
            kwargs['name'] = \
                kwargs.pop('name', wind.name)

        self.extrapolate = extrapolate
        # set optional attributes
        super(WindMover, self).__init__(**kwargs)

		# this will have to be updated when wind is set or changed
        if self.wind is not None:
            self.real_data_start = time_utils.sec_to_datetime(self.wind.ossm.get_start_time())
            self.real_data_stop = time_utils.sec_to_datetime(self.wind.ossm.get_end_time())
Exemplo n.º 8
0
class ConstantWind(cy_fixtures.CyTestMove):
    """
    Wind Mover object instantiated with a constant wind using member method
    set_constant_wind(...)
    Used for test setup
    """
    wm = CyWindMover()

    def __init__(self):
        super(ConstantWind, self).__init__()
        self.const_wind = const_wind
        self.wm.set_constant_wind(const_wind['u'], const_wind['v'])

    def test_move(self):
        """ forecast move """
        self.wm.prepare_for_model_step(self.model_time, self.time_step)
        self.wm.get_move(self.model_time, self.time_step, self.ref, self.delta,
                         self.windage, self.status, spill_type.forecast)

    def test_move_uncertain(self):
        """ uncertain LEs """
        self.wm.prepare_for_model_step(self.model_time, self.time_step,
                                       len(self.spill_size), self.spill_size)
        self.wm.get_move(self.model_time, self.time_step, self.ref,
                         self.u_delta, self.windage, self.status,
                         spill_type.uncertainty)
Exemplo n.º 9
0
class TestObjectSerialization:
    '''
        Test all the serialization and deserialization methods that are
        available to the CyTimeseries object.
    '''
    ossmT = CyTimeseries(filename=testdata['timeseries']['wind_ts'],
                         file_format=ts_format.magnitude_direction)
    wm = CyWindMover()
    wm.set_ossm(ossmT)

    def test_repr(self):
        '''
            Test that the repr method produces a string capable of reproducing
            the object.
        '''
        # This works, but in order to properly eval the repr string, we need
        # the top level gnome module, as well as the numpy 'array' type in the
        # global name space.
        # So before we try it, we first need to import like this:
        import gnome
        from numpy import array

        new_wm = eval(repr(self.wm))

        assert new_wm == self.wm
        assert repr(new_wm) == repr(self.wm)
Exemplo n.º 10
0
def test_init():
    # can we create a wind_mover?
    wm = CyWindMover()

    assert wm.uncertain_duration == 10800
    assert wm.uncertain_time_delay == 0
    assert wm.uncertain_speed_scale == 2
    assert wm.uncertain_angle_scale == 0.4
Exemplo n.º 11
0
    def __init__(self, wind, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.
        """
        self.mover = CyWindMover()
        self.wind = wind

        # set optional attributes
        super(WindMover, self).__init__(**kwargs)
Exemplo n.º 12
0
def test_eq():
    wm = CyWindMover()

    other_wm = CyWindMover()
    assert wm == other_wm

    other_wm = CyWindMover()
    other_wm.uncertain_duration = 1
    assert wm != other_wm

    other_wm = CyWindMover()
    other_wm.uncertain_time_delay = 2
    assert wm != other_wm

    other_wm = CyWindMover()
    other_wm.uncertain_speed_scale = 3
    assert wm != other_wm

    other_wm = CyWindMover()
    other_wm.uncertain_angle_scale = 4
    assert wm != other_wm
Exemplo n.º 13
0
def test_properties():
    wm = CyWindMover()

    wm.uncertain_duration = 1
    wm.uncertain_time_delay = 2
    wm.uncertain_speed_scale = 3
    wm.uncertain_angle_scale = 4
    wm.extrapolate = True

    assert wm.uncertain_duration == 1
    assert wm.uncertain_time_delay == 2
    assert wm.uncertain_speed_scale == 3
    assert wm.uncertain_angle_scale == 4
    assert wm.extrapolate == True
Exemplo n.º 14
0
class TestVariableWind:
    """
    Uses OSSMTimeValue_c to define a variable wind
    - variable wind has 'v' component, so movement
      should only be in 'lat' direction of world point

    Leave as a class as we may add more methods to it for testing
    """
    wm = CyWindMover()
    cm = cy_fixtures.CyTestMove()
    delta = np.zeros((cm.num_le, ), dtype=world_point)

    time_val = np.zeros((2, ), dtype=time_value_pair)
    (time_val['time'])[:] = np.add([0, 3600], cm.model_time)  # after 1 hour
    (time_val['value']['v'])[:] = [100, 200]

    # CyTimeseries needs the same scope as CyWindMover because CyWindMover
    # uses the C++ pointer defined in CyTimeseries.time_dep. This must be defined
    # for the scope of CyWindMover

    ossm = CyTimeseries(timeseries=time_val)
    wm.set_ossm(ossm)

    def test_move(self):
        for x in range(0, 3):
            vary_time = x * 1800
            self.wm.prepare_for_model_step(self.cm.model_time + vary_time,
                                           self.cm.time_step)
            self.wm.get_move(self.cm.model_time + vary_time,
                             self.cm.time_step,
                             self.cm.ref,
                             self.delta,
                             self.cm.windage,
                             self.cm.status,
                             spill_type.forecast)

            print self.delta
            assert np.all(self.delta['lat'] != 0)
            assert np.all(self.delta['long'] == 0)
            assert np.all(self.delta['z'] == 0)
Exemplo n.º 15
0
def test_LE_not_in_water():
    """
    Tests get_move returns 0 for LE's that have a status
    different from in_water
    """
    wm = CyWindMover()
    cm = cy_fixtures.CyTestMove()
    delta = np.zeros((cm.num_le, ), dtype=world_point)
    cm.status[:] = 0

    wm.prepare_for_model_step(cm.model_time, cm.time_step)
    wm.get_move(cm.model_time, cm.time_step, cm.ref, delta, cm.windage,
                cm.status, spill_type.forecast)

    assert np.all(delta['lat'] == 0)
    assert np.all(delta['long'] == 0)
    assert np.all(delta['z'] == 0)
Exemplo n.º 16
0
class TestVariableWind:
    """
    Uses OSSMTimeValue_c to define a variable wind
    - variable wind has 'v' component, so movement
      should only be in 'lat' direction of world point

    Leave as a class as we may add more methods to it for testing
    """
    wm = CyWindMover()
    cm = cy_fixtures.CyTestMove()
    delta = np.zeros((cm.num_le, ), dtype=world_point)

    time_val = np.zeros((2, ), dtype=time_value_pair)
    (time_val['time'])[:] = np.add([0, 3600], cm.model_time)  # after 1 hour
    (time_val['value']['v'])[:] = [100, 200]

    # CyTimeseries needs the same scope as CyWindMover because CyWindMover
    # uses the C++ pointer defined in CyTimeseries.time_dep.
    # This must be defined for the scope of CyWindMover

    ossm = CyTimeseries(timeseries=time_val)
    wm.set_ossm(ossm)

    def test_move(self):
        for x in range(0, 3):
            vary_time = x * 1800
            self.wm.prepare_for_model_step(self.cm.model_time + vary_time,
                                           self.cm.time_step)

            self.wm.get_move(self.cm.model_time + vary_time,
                             self.cm.time_step,
                             self.cm.ref,
                             self.delta,
                             self.cm.windage,
                             self.cm.status,
                             spill_type.forecast)

            print self.delta
            assert np.all(self.delta['lat'] != 0)
            assert np.all(self.delta['long'] == 0)
            assert np.all(self.delta['z'] == 0)

    def test_move_out_of_bounds(self):
        '''
            Our wind mover should fail in the prepare_for_model_step() function
            if our wind time series is out of bounds with respect to the
            model time we are preparing for, unless our wind time series is
            configured to extrapolate wind values.
        '''
        # setup a time series that's out of range of our model time
        time_val = np.zeros((2, ), dtype=time_value_pair)
        (time_val['time'])[:] = np.add([3600, 7200], self.cm.model_time)
        (time_val['value']['v'])[:] = [100, 200]

        # extrapolation should be off by default
        ossm = CyTimeseries(timeseries=time_val)
        self.wm.set_ossm(ossm)

        # this should fail because our time series is not set to extrapolate
        with raises(OSError):
            self.wm.prepare_for_model_step(self.cm.model_time,
                                           self.cm.time_step)

        ossm = CyTimeseries(timeseries=time_val, extrapolation_is_allowed=True)
        self.wm.set_ossm(ossm)

        # We set our time series to extrapolate, so this should pass
        self.wm.prepare_for_model_step(self.cm.model_time,
                                       self.cm.time_step)

        # clean up our time series
        self.wm.set_ossm(self.ossm)
Exemplo n.º 17
0
class WindMover(WindMoversBase):
    """
    Python wrapper around the Cython wind_mover module.
    This class inherits from CyMover and contains CyWindMover

    The real work is done by the CyWindMover object.  CyMover
    sets everything up that is common to all movers.
    """
    _schema = WindMoverSchema

    def __init__(self, wind=None, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.

        .. note:: Can be initialized with wind=None; however, wind must be
            set before running. If wind is not None, toggle make_default_refs
            to False since user provided a valid Wind and does not wish to
            use the default from the Model.
        """
        self.mover = CyWindMover()

        self._wind = None
        if wind is not None:
            self.wind = wind
            self.name = wind.name
            kwargs['make_default_refs'] = kwargs.pop('make_default_refs',
                                                     False)
            kwargs['name'] = kwargs.pop('name', wind.name)

        # set optional attributes
        super(WindMover, self).__init__(**kwargs)

    def __repr__(self):
        return (
            '{0.__class__.__module__}.{0.__class__.__name__}(\n{1})'.format(
                self, self._state_as_str()))

    def __str__(self):
        return ('WindMover - current _state. '
                'See "wind" object for wind conditions:\n{0}'.format(
                    self._state_as_str()))

    @property
    def wind(self):
        return self._wind

    @wind.setter
    def wind(self, value):
        if not isinstance(value, Wind):
            raise TypeError('wind must be of type environment.Wind')
        else:
            # update reference to underlying cython object
            self._wind = value
            self.mover.set_ossm(self._wind.ossm)

    @property
    def data_start(self):
        return self.wind.data_start

    @property
    def data_stop(self):
        return self.wind.data_stop

    def prepare_for_model_run(self):
        '''
        if wind attribute is not set, raise ReferencedObjectNotSet excpetion
        '''
        super(WindMover, self).prepare_for_model_run()

        if self.on and self.wind is None:
            msg = "wind object not defined for WindMover"
            raise ReferencedObjectNotSet(msg)
Exemplo n.º 18
0
class WindMover(WindMoversBase, serializable.Serializable):
    """
    Python wrapper around the Cython wind_mover module.
    This class inherits from CyMover and contains CyWindMover

    The real work is done by the CyWindMover object.  CyMover
    sets everything up that is common to all movers.

    In addition to base class array_types.basic, also use the
    array_types.windage dict since WindMover requires a windage array
    """
    _state = copy.deepcopy(WindMoversBase._state)
    #_state.add(read=['wind_id'], save=['wind_id'])
    # todo: probably need to make update=True for 'wind' as well
    _state.add_field(serializable.Field('wind', save=True, update=True,
                                         save_reference=True))
    _schema = WindMoverSchema

    def __init__(self, wind, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.
        """
        self.mover = CyWindMover()
        self.wind = wind
        self.name = wind.name

        # set optional attributes
        super(WindMover, self).__init__(**kwargs)

    def __repr__(self):
        """
        .. todo::
            We probably want to include more information.
        """
        return ('{0.__class__.__module__}.{0.__class__.__name__}(\n'
                '{1}'
                ')'.format(self, self._state_as_str()))

    def __str__(self):
        info = ('WindMover - current _state. '
                'See "wind" object for wind conditions:\n'
                '{0}'.format(self._state_as_str()))
        return info

    @property
    def wind(self):
        return self._wind

    @wind.setter
    def wind(self, value):
        if not isinstance(value, environment.Wind):
            raise TypeError('wind must be of type environment.Wind')
        else:
            # update reference to underlying cython object
            self._wind = value
            self.mover.set_ossm(self.wind.ossm)

    def serialize(self, json_='webapi'):
        """
        Since 'wind' property is saved as a reference when used in save file
        and 'save' option, need to add appropriate node to WindMover schema
        """
        toserial = self.to_serialize(json_)
        schema = self.__class__._schema()
        if json_ == 'webapi':
            # add wind schema
            schema.add(environment.WindSchema())

        serial = schema.serialize(toserial)

        return serial

    @classmethod
    def deserialize(cls, json_):
        """
        append correct schema for wind object
        """
        schema = cls._schema()
        if 'wind' in json_:
            schema.add(environment.WindSchema())
        _to_dict = schema.deserialize(json_)

        return _to_dict
Exemplo n.º 19
0
class WindMover(WindMoversBase, serializable.Serializable):
    """
    Python wrapper around the Cython wind_mover module.
    This class inherits from CyMover and contains CyWindMover

    The real work is done by the CyWindMover object.  CyMover
    sets everything up that is common to all movers.
    """
    _state = copy.deepcopy(WindMoversBase._state)
    _state.add(update=['extrapolate'], save=['extrapolate'])
    _state.add_field(
        serializable.Field('wind', save=True, update=True,
                           save_reference=True))
    _schema = WindMoverSchema

    def __init__(self, wind=None, extrapolate=False, **kwargs):
        #def __init__(self, wind=None, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.

        .. note:: Can be initialized with wind=None; however, wind must be
            set before running. If wind is not None, toggle make_default_refs
            to False since user provided a valid Wind and does not wish to
            use the default from the Model.
        """
        self.mover = CyWindMover()

        self._wind = None
        if wind is not None:
            self.wind = wind
            kwargs['make_default_refs'] = \
                kwargs.pop('make_default_refs', False)
            kwargs['name'] = \
                kwargs.pop('name', wind.name)

        self.extrapolate = extrapolate
        # set optional attributes
        super(WindMover, self).__init__(**kwargs)

        # this will have to be updated when wind is set or changed
        if self.wind is not None:
            self.real_data_start = time_utils.sec_to_datetime(
                self.wind.ossm.get_start_time())
            self.real_data_stop = time_utils.sec_to_datetime(
                self.wind.ossm.get_end_time())

    def __repr__(self):
        """
        .. todo::
            We probably want to include more information.
        """
        return ('{0.__class__.__module__}.{0.__class__.__name__}(\n'
                '{1}'
                ')'.format(self, self._state_as_str()))

    def __str__(self):
        info = ('WindMover - current _state. '
                'See "wind" object for wind conditions:\n'
                '{0}'.format(self._state_as_str()))
        return info

    extrapolate = property(
        lambda self: self.mover.extrapolate,
        lambda self, val: setattr(self.mover, 'extrapolate', val))

    @property
    def wind(self):
        return self._wind

    @wind.setter
    def wind(self, value):
        if not isinstance(value, environment.Wind):
            raise TypeError('wind must be of type environment.Wind')
        else:
            # update reference to underlying cython object
            self._wind = value
            self.mover.set_ossm(self.wind.ossm)

    def prepare_for_model_run(self):
        '''
        if wind attribute is not set, raise ReferencedObjectNotSet excpetion
        '''
        super(WindMover, self).prepare_for_model_run()

        if self.on and self.wind is None:
            msg = "wind object not defined for WindMover"
            raise ReferencedObjectNotSet(msg)

    def serialize(self, json_='webapi'):
        """
        Since 'wind' property is saved as a reference when used in save file
        and 'save' option, need to add appropriate node to WindMover schema
        """
        toserial = self.to_serialize(json_)
        schema = self.__class__._schema()
        if json_ == 'webapi':
            # add wind schema
            schema.add(environment.WindSchema(name='wind'))

        serial = schema.serialize(toserial)

        return serial

    @classmethod
    def deserialize(cls, json_):
        """
        append correct schema for wind object
        """
        schema = cls._schema()
        if 'wind' in json_:
            schema.add(environment.WindSchema())
        _to_dict = schema.deserialize(json_)

        return _to_dict
Exemplo n.º 20
0
class WindMover(WindMoversBase):
    """
    Python wrapper around the Cython wind_mover module.
    This class inherits from CyMover and contains CyWindMover

    The real work is done by the CyWindMover object.  CyMover
    sets everything up that is common to all movers.
    """
    _schema = WindMoverSchema

    def __init__(self, wind=None, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.

        .. note:: Can be initialized with wind=None; however, wind must be
            set before running. If wind is not None, toggle make_default_refs
            to False since user provided a valid Wind and does not wish to
            use the default from the Model.
        """
        self.mover = CyWindMover()

        self._wind = None
        if wind is not None:
            self.wind = wind
            self.name = wind.name
            kwargs['make_default_refs'] = kwargs.pop('make_default_refs',
                                                     False)
            kwargs['name'] = kwargs.pop('name', wind.name)

        # set optional attributes
        super(WindMover, self).__init__(**kwargs)

    def __repr__(self):
        return ('{0.__class__.__module__}.{0.__class__.__name__}(\n{1})'
                .format(self, self._state_as_str()))

    def __str__(self):
        return ('WindMover - current _state. '
                'See "wind" object for wind conditions:\n{0}'
                .format(self._state_as_str()))

    @property
    def wind(self):
        return self._wind

    @wind.setter
    def wind(self, value):
        if not isinstance(value, Wind):
            raise TypeError('wind must be of type environment.Wind')
        else:
            # update reference to underlying cython object
            self._wind = value
            self.mover.set_ossm(self._wind.ossm)

    @property
    def data_start(self):
        return self.wind.data_start

    @property
    def data_stop(self):
        return self.wind.data_stop

    def prepare_for_model_run(self):
        '''
        if wind attribute is not set, raise ReferencedObjectNotSet excpetion
        '''
        super(WindMover, self).prepare_for_model_run()

        if self.on and self.wind is None:
            msg = "wind object not defined for WindMover"
            raise ReferencedObjectNotSet(msg)
Exemplo n.º 21
0
class WindMover(WindMoversBase, serializable.Serializable):
    """
    Python wrapper around the Cython wind_mover module.
    This class inherits from CyMover and contains CyWindMover

    The real work is done by the CyWindMover object.  CyMover
    sets everything up that is common to all movers.
    """
    _state = copy.deepcopy(WindMoversBase._state)
    _state.add(update=['extrapolate'],
               save=['extrapolate'])
    _state.add_field(serializable.Field('wind', save=True, update=True,
                                        save_reference=True))
    _schema = WindMoverSchema

    def __init__(self, wind=None, extrapolate=False, **kwargs):
    #def __init__(self, wind=None, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.

        .. note:: Can be initialized with wind=None; however, wind must be
            set before running. If wind is not None, toggle make_default_refs
            to False since user provided a valid Wind and does not wish to
            use the default from the Model.
        """
        self.mover = CyWindMover()

        self._wind = None
        if wind is not None:
            self.wind = wind
            kwargs['make_default_refs'] = \
                kwargs.pop('make_default_refs', False)
            kwargs['name'] = \
                kwargs.pop('name', wind.name)

        self.extrapolate = extrapolate
        # set optional attributes
        super(WindMover, self).__init__(**kwargs)

		# this will have to be updated when wind is set or changed
        if self.wind is not None:
            self.real_data_start = time_utils.sec_to_datetime(self.wind.ossm.get_start_time())
            self.real_data_stop = time_utils.sec_to_datetime(self.wind.ossm.get_end_time())

    def __repr__(self):
        """
        .. todo::
            We probably want to include more information.
        """
        return ('{0.__class__.__module__}.{0.__class__.__name__}(\n'
                '{1}'
                ')'.format(self, self._state_as_str()))

    def __str__(self):
        info = ('WindMover - current _state. '
                'See "wind" object for wind conditions:\n'
                '{0}'.format(self._state_as_str()))
        return info


    extrapolate = property(lambda self: self.mover.extrapolate,
                           lambda self, val: setattr(self.mover,
                                                     'extrapolate',
                                                     val))

    @property
    def wind(self):
        return self._wind

    @wind.setter
    def wind(self, value):
        if not isinstance(value, environment.Wind):
            raise TypeError('wind must be of type environment.Wind')
        else:
            # update reference to underlying cython object
            self._wind = value
            self.mover.set_ossm(self.wind.ossm)

    def prepare_for_model_run(self):
        '''
        if wind attribute is not set, raise ReferencedObjectNotSet excpetion
        '''
        super(WindMover, self).prepare_for_model_run()

        if self.on and self.wind is None:
            msg = "wind object not defined for WindMover"
            raise ReferencedObjectNotSet(msg)

    def serialize(self, json_='webapi'):
        """
        Since 'wind' property is saved as a reference when used in save file
        and 'save' option, need to add appropriate node to WindMover schema
        """
        toserial = self.to_serialize(json_)
        schema = self.__class__._schema()
        if json_ == 'webapi':
            # add wind schema
            schema.add(environment.WindSchema(name='wind'))

        serial = schema.serialize(toserial)

        return serial

    @classmethod
    def deserialize(cls, json_):
        """
        append correct schema for wind object
        """
        schema = cls._schema()
        if 'wind' in json_:
            schema.add(environment.WindSchema())
        _to_dict = schema.deserialize(json_)

        return _to_dict
Exemplo n.º 22
0
class WindMover(WindMoversBase, serializable.Serializable):

    """
    Python wrapper around the Cython wind_mover module.
    This class inherits from CyMover and contains CyWindMover

    The real work is done by the CyWindMover object.  CyMover
    sets everything up that is common to all movers.

    In addition to base class array_types.basic, also use the
    array_types.windage dict since WindMover requires a windage array
    """
    state = copy.deepcopy(WindMoversBase.state)
    state.add(read=['wind_id'], create=['wind_id'])

    @classmethod
    def new_from_dict(cls, dict_):
        """
        define in WindMover and check wind_id matches wind

        invokes: super(WindMover,cls).new_from_dict(dict\_)
        """

        wind_id = dict_.pop('wind_id')
        if dict_.get('wind').id != wind_id:
            raise ValueError('id of wind object does not match the wind_id'\
                             ' parameter')
        return super(WindMover, cls).new_from_dict(dict_)

    def wind_id_to_dict(self):
        """
        used only for storing state so no wind_id_from_dict is defined. This
        is not a read/write attribute. Only defined for serializable_state
        """

        return self.wind.id

    def from_dict(self, dict_):
        """
        For updating the object from dictionary

        'wind' object is not part of the state since it is not serialized/
        deserialized; however, user can still update the wind attribute with a
        new Wind object. That must be poped out of the dict() here, then call
        super to process the standard dict\_
        """

        self.wind = dict_.pop('wind', self.wind)

        super(WindMover, self).from_dict(dict_)

    def __init__(self, wind, **kwargs):
        """
        Uses super to call CyMover base class __init__

        :param wind: wind object -- provides the wind time series for the mover

        Remaining kwargs are passed onto WindMoversBase __init__ using super.
        See Mover documentation for remaining valid kwargs.
        """

        self.mover = CyWindMover()
        self.wind = wind

        # set optional attributes
        super(WindMover, self).__init__(**kwargs)

    def __repr__(self):
        """
        .. todo::
            We probably want to include more information.
        """

        info = 'WindMover(\n{0})'.format(self._state_as_str())
        return info

    def __str__(self):
        info = \
            "WindMover - current state." \
            + " See 'wind' object for wind conditions:\n" \
            + "{0}".format(self._state_as_str())
        return info

    @property
    def wind(self):
        return self._wind

    @wind.setter
    def wind(self, value):
        if not isinstance(value, environment.Wind):
            raise TypeError('wind must be of type environment.Wind')
        else:
            # update reference to underlying cython object
            self._wind = value
            self.mover.set_ossm(self.wind.ossm)
Exemplo n.º 23
0
def test_eq():
    wm = CyWindMover()

    other_wm = CyWindMover()
    assert wm == other_wm

    other_wm = CyWindMover()
    other_wm.uncertain_duration = 1
    assert wm != other_wm

    other_wm = CyWindMover()
    other_wm.uncertain_time_delay = 2
    assert wm != other_wm

    other_wm = CyWindMover()
    other_wm.uncertain_speed_scale = 3
    assert wm != other_wm

    other_wm = CyWindMover()
    other_wm.uncertain_angle_scale = 4
    assert wm != other_wm