def test_get_host_params(sim_config):
    """Find host star parameters from param file."""
    simulators = sim_config
    star = "test"
    simulators.paths["parameters"] = "tests/testdata"

    params = param_file.get_host_params(star)

    assert len(params) == 3
    assert params == (5340, 4.65, -0.22)
def main(database, echo=False, mode="parabola"):
    path, star, obsnum, chip = decompose_database_name(database)
    os.makedirs(os.path.join(path, "plots"),
                exist_ok=True)  # make dir for plots

    teff, logg, fe_h = closest_model_params(*get_host_params(star))
    params = {
        "path": path,
        "star": star,
        "obsnum": obsnum,
        "chip": chip,
        "teff": teff,
        "logg": logg,
        "fe_h": fe_h
    }

    sqlite_db = 'sqlite:///{}'.format(database)

    try:
        engine = sa.create_engine(sqlite_db, echo=echo)
        table_names = engine.table_names()
    except Exception as e:
        print("\nAccessing sqlite_db = {}\n".format(sqlite_db))
        print("cwd =", os.getcwd())
        raise e

    print("Table names in database =", engine.table_names())
    if len(table_names) == 1:
        tb_name = table_names[0]
    else:
        raise ValueError("Database has two many tables {}".format(table_names))

    db_table = load_sql_table(database)

    print("Mode =", mode)

    if mode == "fixed_host_params":
        fix_host_parameters_reduced_gamma(engine, params, tb_name)
        fix_host_parameters(engine, params, tb_name)
    elif mode == "param_limits":
        get_column_limits(engine, params, tb_name)
    elif mode == "parabola":
        parabola_plots(db_table, params)
    elif mode == "smallest_chi2":
        smallest_chi2_values(engine, params, tb_name)
    elif mode == "contour":
        alpha_rv_contour(engine, params, tb_name)
    elif mode == "contour":
        alpha_rv_contour_old(engine, params, tb_name)
    elif mode == "test":
        test_figure(engine, params, tb_name)

    print("Done")
    return 0
Esempio n. 3
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def main(star, obsnum, chip, suffix="", echo=False):
    database = os.path.join(
        simulators.paths["output_dir"], star, "iam",
        "{0}-{1}_{2}_iam_chisqr_results{3}.db".format(star, obsnum, chip,
                                                      suffix))
    path, star, obsnum, chip = decompose_database_name(database)
    os.makedirs(os.path.join(path, "plots"), exist_ok=True)
    save_name = os.path.join(
        path, "{0}_iam_all_observation_min_chi2{1}.tsv".format(star, suffix))

    teff, logg, fe_h = closest_model_params(*get_host_params(star))
    params = {
        "path": path,
        "star": star,
        "obsnum": obsnum,
        "chip": chip,
        "teff": teff,
        "logg": logg,
        "fe_h": fe_h
    }

    # Hack to run from editor
    if os.getcwd().endswith("companion_simulations/bin"):
        database = "../" + database
        save_name = "../" + save_name

    if os.path.exists(database):
        engine = sa.create_engine('sqlite:///{0}'.format(database), echo=echo)
    else:
        raise IOError("Database does not exist.")
    table_names = engine.table_names()
    if len(table_names) == 1:
        tb_name = table_names[0]
    else:
        raise ValueError(
            "Database has two many tables {0}".format(table_names))

    query = """SELECT * FROM {0}
               WHERE (teff_1 = {1} AND logg_1 = {2} AND feh_1 = {3})
               ORDER BY chi2 LIMIT 1
               """.format(tb_name, params["teff"], params["logg"],
                          params["fe_h"])
    df = pd.read_sql(sa.text(query), engine)

    df["obsnum"] = obsnum
    df["chip"] = chip
    columns = [
        "obsnum", "chip", "teff_1", "logg_1", "feh_1", "teff_2", "logg_2",
        "feh_2", "alpha", "rv", "gamma", "chi2"
    ]

    if os.path.exists(save_name):
        df.to_csv(save_name,
                  columns=columns,
                  sep='\t',
                  mode="a",
                  index=False,
                  header=False)
    else:
        df.to_csv(save_name,
                  columns=columns,
                  sep='\t',
                  mode="a",
                  index=False,
                  header=True)

    return save_name
Esempio n. 4
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def main(star,
         obsnum,
         suffix=None,
         echo=False,
         mode="parabola",
         verbose=False,
         npars=3):
    star = star.upper()
    suffix = "" if suffix is None else suffix
    database = os.path.join(
        simulators.paths["output_dir"], star, "iam",
        "{0}-{1}_coadd_iam_chisqr_results{2}.db".format(star, obsnum, suffix))

    if verbose:
        print("Database name ", database)
        print("Database exists", os.path.isfile(database))
    if not os.path.isfile(database):
        raise IOError("Database '{0}' does not exist.".format(database))

    path, dbstar, db_obsnum, chip = decompose_database_name(database)
    assert dbstar == star, "{} == {}".format(dbstar, star)
    assert str(db_obsnum) == str(obsnum), "{} == {}".format(db_obsnum, obsnum)
    assert chip == "coadd", "{} == {}".format(chip, "coadd")

    os.makedirs(os.path.join(path, "plots"),
                exist_ok=True)  # make dir for plots

    teff, logg, fe_h = closest_model_params(*get_host_params(star))
    params = {
        "path": path,
        "star": star,
        "obsnum": obsnum,
        "chip": chip,
        "suffix": suffix,
        "teff": int(teff),
        "logg": float(logg),
        "fe_h": float(fe_h),
        "npars": npars
    }

    db_table = load_sql_table(database, verbose=verbose, echo=echo)

    # Put pixel counts in params
    params["npix"] = get_npix_values(db_table)
    if verbose:
        print("Mode =", mode)

    try:
        if mode == "fixed_host_params":
            try:
                fix_host_parameters_reduced_gamma(db_table, params)
                fix_host_parameters(db_table, params)
            except Exception as e:
                print(e)
        elif mode == "param_limits":
            get_column_limits(db_table, params)
        elif mode == "parabola":
            parabola_plots(db_table, params)
        elif mode == "smallest_chi2":
            smallest_chi2_values(db_table, params)
        elif mode == "contour":
            contours(db_table, params)
        elif mode == "test":
            test_figure(db_table, params)
        elif mode == "rvplot":
            rv_plot(db_table, params)
        elif mode == "chi2_parabola":
            chi2_parabola_plots(db_table, params)
            chi2_individual_parabola_plots(db_table, params)
        elif mode == "compare_spectra":
            compare_spectra(db_table, params)
        elif mode == "contrast":
            contrast_iam_results(db_table, params)
        elif mode == "all":
            try:
                fix_host_parameters_reduced_gamma(db_table, params)
                fix_host_parameters(db_table, params)
            except:
                pass
            plt.close("all")
            try:
                get_column_limits(db_table, params)
            except:
                pass
            plt.close("all")
            try:
                smallest_chi2_values(db_table, params)
            except:
                pass
            plt.close("all")
            try:
                parabola_plots(db_table, params)
            except:
                pass
            plt.close("all")
            try:
                test_figure(db_table, params)
            except:
                pass
            plt.close("all")
            try:
                chi2_parabola_plots(db_table, params)
            except:
                pass
            plt.close("all")
            try:
                chi2_individual_parabola_plots(db_table, params)
            except:
                pass
            plt.close("all")
            try:
                compare_spectra(db_table, params)
            except:
                pass
            plt.close("all")
            try:
                contours(db_table, params)
            except:
                pass
            plt.close("all")
            try:
                contrast_iam_results(db_table, params)
            except:
                pass
            plt.close("all")
        else:
            warnings.warn("Incorrect Mode in iam analysis")
    except Exception as e:
        print(e)
        plt.close("all")
        return 1
    plt.close("all")
    print("Done")
    return 0