Exemplo n.º 1
0
def test_param_from_dict_and_to_dict_give_the_same_dict():
    params = {"k1": 10, "eccentricity": 0.5, "period": 5, "mean_val": 4, "tau": 1, "omega": 1,
              "m1": 4, "m2": 6, "k2": 100, "name": "test", "ignore_mean": True}

    rv1 = RV.from_dict(params)
    rv1_params = rv1.to_dict()
    assert params == rv1_params
    assert params == rv1._params
    assert rv1_params == rv1._params

    rv2 = RV.from_dict(rv1_params)
    assert rv2 == rv1
Exemplo n.º 2
0
def test_from_dict_works_properly():
    params = {"k1": 10, "eccentricity": 0.5, "period": 5, "mean_val": 4, "tau": 1, "omega": 1, "m1": 4, "m2": 6}

    rv = RV.from_dict(params)
    assert rv._params.get("other_params") is None
    assert rv._params.get("m1") == 4
    assert rv._params.get("m2") == 6
Exemplo n.º 3
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def test_initalize_rv_class_from_dict():
    params = {"k1": 1, "period": 2, "tau": 5000, "omega": 1, "eccentricity": 0.5, "mean_val": 5}
    rv = RV.from_dict(params)
    assert rv.semi_amp == params["k1"]
    assert rv.period == params["period"]
    assert rv.ecc == params["eccentricity"]
    assert rv.tau == params["tau"]
    assert rv.gamma == params["mean_val"]
    assert rv.omega == params["omega"]
Exemplo n.º 4
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def main(params,
         mode="phase",
         obs_times=None,
         obs_list=None,
         date=None,
         cycle_fraction=1,
         phase_center=0,
         save_only=False):  # obs_times=None, mode='phase', rv_diff=None
    # type: (Dict[str, Union[str, float]], str, List[str], str, str, bool) -> None
    r"""Radial velocity displays.

    Parameters
    ----------
    params: str
        Filename for text file containing the rv parameters. Format of 'param = value\n'.
    mode: str
        Mode for script to use. Phase, time, future.
    obs_times: list of str
        Dates of observations added manually at command line of format YYYY-MM-DD.
    obs_list: str
        Filename for list which contains obs_times (YYY-MM-DD HH:MM:SS).
    date: str
        Reference date for some modes. Defaults=None)
    """

    # Load in params and store as a dictionary
    parameters = parse_paramfile(params)

    parameters = prepare_mass_params(parameters, only_msini=True)

    parameters = check_core_parameters(parameters)

    # combine obs_times and obs_list and turn into jd.
    if obs_times:
        if (".txt" in obs_times) or (".dat" in obs_times):
            raise ValueError("Filename given instead of dates for obs_times.")

    obs_times = join_times(obs_times, obs_list)
    obs_jd = strtimes2jd(obs_times)

    test_jd = obs_jd[0] if isinstance(obs_jd, (list, tuple)) else obs_jd

    if ((str(parameters["tau"]).startswith("24")
         and not str(test_jd).startswith("24"))
            or (not (str(parameters["tau"]).startswith("24"))
                and str(test_jd).startswith("24"))):
        raise ValueError(
            "Mismatch between Tau parameter '{0}' and times used '{1}'.".
            format(parameters["tau"], obs_jd))

    date_split = JulianDate.now().jd if date is None else JulianDate.from_str(
        date).jd
    # Slit past and future obs
    future_obs = [obs for obs in obs_jd if obs > date_split]
    past_obs = [obs for obs in obs_jd if obs <= date_split]

    host_orbit = RV.from_dict(parameters)
    companion_orbit = host_orbit.create_companion()

    if mode == "phase":
        fig = binary_phase_curve(host_orbit,
                                 companion_orbit,
                                 t_past=past_obs,
                                 t_future=future_obs,
                                 cycle_fraction=cycle_fraction,
                                 phase_center=phase_center)
    elif mode == "time":
        fig = binary_time_curve(host_orbit,
                                companion_orbit,
                                t_past=past_obs,
                                start_day=date_split,
                                t_future=future_obs,
                                cycle_fraction=cycle_fraction)
    else:
        raise NotImplementedError("Other modes are not Implemented yet.")
    if not save_only:
        fig.show()

    return fig
Exemplo n.º 5
0
def main(params, mode="phase", obs_times=None, obs_list=None, date=None,
         cycle_fraction=1, phase_center=0, save_only=False):  # obs_times=None, mode='phase', rv_diff=None
    # type: (Dict[str, Union[str, float]], str, List[str], str, str, bool) -> None
    r"""Radial velocity displays.

    Parameters
    ----------
    params: str
        Filename for text file containing the rv parameters. Format of 'param = value\n'.
    mode: str
        Mode for script to use. Phase, time, future.
    obs_times: list of str
        Dates of observations added manually at command line of format YYYY-MM-DD.
    obs_list: str
        Filename for list which contains obs_times (YYY-MM-DD HH:MM:SS).
    date: str
        Reference date for some modes. Defaults=None)
    """

    # Load in params and store as a dictionary
    parameters = parse_paramfile(params)

    parameters = prepare_mass_params(parameters, only_msini=True)

    parameters = check_core_parameters(parameters)

    # combine obs_times and obs_list and turn into jd.
    if obs_times:
        if (".txt" in obs_times) or (".dat" in obs_times):
            raise ValueError("Filename given instead of dates for obs_times.")

    obs_times = join_times(obs_times, obs_list)
    obs_jd = strtimes2jd(obs_times)

    test_jd = obs_jd[0] if isinstance(obs_jd, (list, tuple)) else obs_jd

    if ((str(parameters["tau"]).startswith("24") and not str(test_jd).startswith("24")) or
        (not(str(parameters["tau"]).startswith("24")) and str(test_jd).startswith("24"))):
        raise ValueError("Mismatch between Tau parameter '{0}' and times used '{1}'.".format(parameters["tau"], obs_jd))

    date_split = JulianDate.now().jd if date is None else JulianDate.from_str(date).jd
    # Slit past and future obs
    future_obs = [obs for obs in obs_jd if obs > date_split]
    past_obs = [obs for obs in obs_jd if obs <= date_split]

    host_orbit = RV.from_dict(parameters)
    companion_orbit = host_orbit.create_companion()

    if mode == "phase":
        fig = binary_phase_curve(host_orbit, companion_orbit, t_past=past_obs,
                                 t_future=future_obs,
                                 cycle_fraction=cycle_fraction,
                                 phase_center=phase_center)
    elif mode == "time":
        fig = binary_time_curve(host_orbit, companion_orbit, t_past=past_obs,
                                start_day=date_split, t_future=future_obs,
                                cycle_fraction=cycle_fraction)
    else:
        raise NotImplementedError("Other modes are not Implemented yet.")
    if not save_only:
        fig.show()

    return fig