Exemplo n.º 1
0
def process(file):
    runlist_path = file.runlist_path
    output_path = file.charge_averages_path

    df_runs = open_runlist_dl1(runlist_path)
    df_runs['transmission'] = 1 / df_runs['fw_atten']
    n_runs = df_runs.index.size
    mapping = df_runs.iloc[0]['reader'].mapping
    n_pixels = df_runs.iloc[0]['reader'].n_pixels

    cs = ChargeStatistics()

    desc0 = "Looping over files"
    it = enumerate(df_runs.iterrows())
    for i, (_, row) in tqdm(it, total=n_runs, desc=desc0):
        reader = row['reader']
        transmission = row['transmission']
        n_rows = n_pixels * 1000
        pixel, charge = reader.select_columns(['pixel', 'charge'], stop=n_rows)
        cs.add(pixel, transmission, charge)
        reader.store.close()
    df_pixel, df_camera = cs.finish()

    df = df_pixel[["pixel", "amplitude", "mean", "std"]].copy()
    df = df.rename(columns={"amplitude": "transmission"})
    df_runs2 = df_runs[['transmission', 'pe_expected', 'fw_pos']].copy()
    df_runs2['run_number'] = df_runs2.index
    df = pd.merge(df, df_runs2, on='transmission')

    with HDF5Writer(output_path) as writer:
        writer.write(data=df)
        writer.write_mapping(mapping)
        writer.write_metadata(n_pixels=n_pixels)
Exemplo n.º 2
0
def process(input_paths, data_path, poi):
    df_list = []

    n_files = len(input_paths)
    for ifile, f in enumerate(input_paths):
        print("Processing File {}/{}".format(ifile, n_files))
        reader = TIOReader(f, max_events=1000)

        n_events = reader.n_events
        n_samples = reader.n_samples

        wfs = np.zeros((n_events, n_samples))

        desc = "Processing events"
        for wf in tqdm(reader, total=n_events, desc=desc):
            iev = wf.iev
            wfs[iev] = wf[poi]

        average_wf = wfs.mean(0)

        df_list.append(
            pd.DataFrame(
                dict(ifile=ifile,
                     file=f,
                     wf=average_wf,
                     isam=np.arange(n_samples))))

    df = pd.concat(df_list, ignore_index=True)

    with HDF5Writer(data_path) as writer:
        writer.write(data=df)
        writer.write_metadata(n_files=n_files)
Exemplo n.º 3
0
def process(input_path, output_path, poi):
    r0_reader = TIOReader(input_path)
    n_events = r0_reader.n_events
    n_samples = r0_reader.n_samples
    samples = np.arange(n_samples, dtype=np.uint16)

    df_list = []

    desc = "Looping over events"
    for r0 in tqdm(r0_reader, total=n_events, desc=desc):
        iev = r0.iev
        fci = r0.first_cell_id[poi].item()

        df_list.append(
            pd.DataFrame(dict(
                iev=iev,
                fci=fci,
                isam=samples,
                r0=r0[poi],
            )))

    df = pd.concat(df_list, ignore_index=True)

    with HDF5Writer(output_path) as writer:
        writer.write(data=df)
        writer.write_metadata(poi=poi)
Exemplo n.º 4
0
def process(file):

    runlist_path = file.runlist_path
    fw_path = file.fw_path
    ff_path = file.ff_path
    output_path = file.charge_resolution_path

    df_runs = open_runlist_dl1(runlist_path)
    df_runs['transmission'] = 1 / df_runs['fw_atten']
    n_runs = df_runs.index.size
    mapping = df_runs.iloc[0]['reader'].mapping
    n_pixels = df_runs.iloc[0]['reader'].n_pixels

    with HDF5Reader(fw_path) as reader:
        df = reader.read("data")
        fw_m = df['fw_m'].values
        fw_merr = df['fw_merr'].values

    with HDF5Reader(ff_path) as reader:
        df = reader.read("data")
        ff_m = df['ff_m'].values
        ff_c = df['ff_c'].values

    cr = ChargeResolution()
    cs = ChargeStatistics()

    desc0 = "Looping over files"
    it = enumerate(df_runs.iterrows())
    for i, (_, row) in tqdm(it, total=n_runs, desc=desc0):
        reader = row['reader']
        transmission = row['transmission']
        n_rows = n_pixels * 1000
        pixel, charge = reader.select_columns(['pixel', 'charge'], stop=n_rows)

        true = transmission * fw_m[pixel]
        measured = (charge - ff_c[pixel]) / ff_m[pixel]

        cr.add(pixel, true, measured)
        cs.add(pixel, true, measured)
        reader.store.close()
    df_cr_pixel, df_cr_camera = cr.finish()
    df_cs_pixel, df_cs_camera = cs.finish()

    def add_error(df):
        df['true_err'] = df['true'] / fw_m[df['pixel']] * fw_merr[df['pixel']]

    add_error(df_cr_pixel)

    with HDF5Writer(output_path) as writer:
        writer.write(
            charge_resolution_pixel=df_cr_pixel,
            charge_resolution_camera=df_cr_camera,
            charge_statistics_pixel=df_cs_pixel,
            charge_statistics_camera=df_cs_camera,
        )
        writer.write_mapping(mapping)
        writer.write_metadata(n_pixels=n_pixels)
Exemplo n.º 5
0
def process(monitor_paths, output_path):

    df_list = []
    iev = 0

    desc0 = "Looping over files"
    desc1 = "Looping over events"
    for path in tqdm(monitor_paths, total=len(monitor_paths), desc=desc0):
        with open(path) as file:
            for line in file:
                if line and line != '\n':
                    try:
                        data = line.replace('\n', '').replace('\t', " ")
                        data = data.split(" ")

                        t_cpu = pd.to_datetime("{} {}".format(
                            data[0], data[1]),
                                               format="%Y-%m-%d %H:%M:%S:%f")
                        # TODO: store monitor ASCII with UTC timestamps
                        t_cpu = (t_cpu.tz_localize("Europe/Berlin").tz_convert(
                            "UTC").tz_localize(None))

                        if 'Monitoring Event Done' in line:
                            iev += 1
                            continue

                        device = data[2]
                        measurement = data[3]
                        key = device + "_" + measurement
                        if key == "TM_SP_VOLTAGE":
                            imod = int(data[4])
                            sp = imod * 16 + np.arange(16)
                            values = np.array(data[5:21], dtype=np.float)

                            df_list.append(
                                pd.DataFrame(
                                    dict(
                                        iev=iev,
                                        t_cpu=t_cpu,
                                        superpixel=sp,
                                        hv=values,
                                    )))

                    except:
                        pass
                    # except ValueError:
                    #     print("ValueError from line: {}".format(line))
                    # except IndexError:
                    #     print("IndexError from line: {}".format(line))

    df = pd.concat(df_list, ignore_index=True)

    with HDF5Writer(output_path) as writer:
        writer.write(data=df)
Exemplo n.º 6
0
def process(file):
    input_path = file.dl1_path
    angular_response_path = file.angular_response_path
    illumination_profile_path = file.illumination_profile_path
    plot_dir = file.plot_dir

    ip = IlluminationProfile(angular_response_path)

    reader = DL1Reader(input_path)
    mapping = reader.mapping
    pixel, true = reader.select_columns(['pixel', 'mc_true'])
    xpix = mapping['xpix'].values
    ypix = mapping['ypix'].values
    dist = np.sqrt(xpix**2 + ypix**2)
    n_pixels = mapping.metadata['n_pixels']

    n_events = reader.n_events
    true_p = true.values.reshape((n_events, 2048)).mean(0)

    df = pd.DataFrame(
        dict(
            pixel=np.arange(n_pixels),
            distance=dist,
            true=true_p,
        ))

    pixel = df['pixel'].values
    true = df['true'].values
    dist = df['distance'].values

    params = polyfit(dist, true, [0, 2])
    params_norm = params / polyval(0, params)
    pixel_corrections = polyval(dist, params_norm)

    df_corr = pd.DataFrame(dict(
        pixel=pixel,
        correction=pixel_corrections,
    ))
    df_params = pd.DataFrame(params_norm)

    with HDF5Writer(illumination_profile_path) as writer:
        writer.write(correction=df_corr, params=df_params)
        writer.write_mapping(mapping)

    p_dvt = PixelScatter(ip)
    p_dvt.plot(dist, true, params)
    p_dvt.save(os.path.join(plot_dir, "illumination_profile.pdf"))

    p_f = CameraImage.from_mapping(mapping)
    p_f.image = pixel_corrections
    p_f.add_colorbar("Illumination Profile Correction")
    p_f.save(os.path.join(plot_dir, "illumination_profile_camera.pdf"))
Exemplo n.º 7
0
def process_list(input_paths, amplitudes, output_path, poi):
    desc = "Looping over files"

    process_poi = partial(process, poi=poi)

    it = list(zip(input_paths, amplitudes))[::4]
    with Pool(int(os.cpu_count() - 2)) as pool:
        process_pool = pool.imap(process_poi, it)
        df_list = list(tqdm(process_pool, total=len(it), desc=desc))
    # for i in it:
    #     process_poi(i)

    df = pd.concat(df_list, ignore_index=True)

    with HDF5Writer(output_path) as writer:
        writer.write(data=df)
        writer.write_metadata(poi=poi)
Exemplo n.º 8
0
def process(file):

    dl1_paths = file.dl1_paths
    pde = file.pde
    mc_calib_path = file.mc_calib_path
    output_path = file.intensity_resolution_path

    n_runs = len(dl1_paths)
    reader_list = [DL1Reader(p) for p in dl1_paths]
    mapping = reader_list[0].mapping
    n_pixels = reader_list[0].n_pixels
    n_rows = n_pixels * 1000

    with HDF5Reader(mc_calib_path) as reader:
        df = reader.read("data")
        mc_m = df['mc_m'].values

    cr = ChargeResolution(mc_true=True)
    cs = ChargeStatistics()

    desc0 = "Looping over files"
    for reader in tqdm(reader_list, total=n_runs, desc=desc0):
        pixel, charge, true = reader.select_columns(
            ['pixel', 'charge', 'mc_true'], stop=n_rows)
        true_photons = true / pde
        measured = charge / mc_m[pixel]

        f = true > 0
        true_photons = true_photons[f]
        measured = measured[f]

        cr.add(pixel, true_photons, measured)
        cs.add(pixel, true_photons, measured)
        reader.store.close()
    df_cr_pixel, df_cr_camera = cr.finish()
    df_cs_pixel, df_cs_camera = cs.finish()

    with HDF5Writer(output_path) as writer:
        writer.write(
            charge_resolution_pixel=df_cr_pixel,
            charge_resolution_camera=df_cr_camera,
            charge_statistics_pixel=df_cs_pixel,
            charge_statistics_camera=df_cs_camera,
        )
        writer.write_mapping(mapping)
        writer.write_metadata(n_pixels=n_pixels)
Exemplo n.º 9
0
def process(file):

    dl1_paths = file.dl1_paths
    pde = file.pde
    mc_calib_path = file.mc_calib_path

    with DL1Reader(dl1_paths[0]) as reader:
        n_pixels = reader.n_pixels
        mapping = reader.mapping
        cols = ['pixel', 'charge', 'mc_true']
        pixel, charge, true = reader.select_columns(cols)
        df = pd.DataFrame(dict(
            pixel=pixel,
            charge=charge,
            true=true,
        ))
        df_agg = df.groupby(['pixel', 'true']).agg({'charge': ['mean', 'std']}).reset_index()
        pixels = np.where(df.groupby('pixel').sum()['true'].values > 1000)[0]

    m_array = np.full(n_pixels, np.nan)
    for p in pixels:
        df_p = df_agg.loc[(df_agg['pixel'] == p) & (df_agg['true'] > 0)]
        x = df_p['true'].values / pde
        y = df_p['charge']['mean'].values
        yerr = df_p['charge']['std'].values
        yerr[np.isnan(yerr)] = 1000
        yerr[yerr == 0] = 1000
        c, m = polyfit(x, y, [1], w=y/yerr)
        m_array[p] = m

    df_calib = pd.DataFrame(dict(
        pixel=np.arange(n_pixels),
        mc_m=m_array,
    ))

    df_calib_mean = df_calib.copy()
    df_calib_mean['mc_m'] = np.nanmean(m_array)

    print("Average Gradient = {}".format(np.nanmean(m_array)))

    with HDF5Writer(mc_calib_path) as writer:
        writer.write(data=df_calib)
        writer.write_mapping(mapping)
        writer.write_metadata(n_pixels=n_pixels)
Exemplo n.º 10
0
def process(readers, output_path):

    df_list = []

    desc0 = "Looping over files"
    desc1 = "Looping over events"
    for reader in tqdm(readers, total=len(readers), desc=desc0):
        mapping = reader.mapping
        sp_arr = np.vstack(mapping.groupby("superpixel").pixel.apply(np.array))
        n_events = reader.n_events
        n_pixels = reader.n_pixels
        pixels = np.arange(n_pixels)

        for wfs in tqdm(reader, total=n_events, desc=desc1):
            iev = wfs.iev
            if iev % 10:
                continue
            t_cpu = wfs.t_cpu

            amplitude = wfs.max(axis=1)
            sum_wfs = wfs[sp_arr].sum(1)
            amplitude_sp = sum_wfs.max(axis=1)

            # plt.plot(wfs[sp_arr][372].T)
            # plt.ylim((-25, 75))
            # plt.pause(0.5)
            # plt.cla()

            df_list.append(
                pd.DataFrame(
                    dict(
                        iev=iev,
                        t_cpu=t_cpu,
                        pixel=pixels,
                        amplitude=amplitude,
                        amplitude_sp=np.repeat(amplitude_sp, 4),
                    )))

    df = pd.concat(df_list, ignore_index=True)

    with HDF5Writer(output_path) as writer:
        writer.write(data=df)
        writer.write_mapping(readers[0].mapping)
Exemplo n.º 11
0
def process(file):
    r0_paths = file.r0_paths
    tfnone_paths = file.tfnone_paths
    tfpoly_paths = file.tfpoly_paths
    vped_list = file.vped_list
    output_path = file.averages_path

    try:
        r0_df = get_df(r0_paths, vped_list)
        tfnone_df = get_df(tfnone_paths, vped_list)
        tfpoly_df = get_df(tfpoly_paths, vped_list)
    except:
        embed()


    with HDF5Writer(output_path) as writer:
        writer.write(
            r0=r0_df,
            tfnone=tfnone_df,
            tfpoly_df=tfpoly_df,
        )
Exemplo n.º 12
0
def process(file):
    runlist_path = file.runlist_path
    fw_path = file.fw_path
    ff_path = file.ff_path
    output_path = file.stats_path

    df_runs = open_runlist_dl1(runlist_path)
    df_runs['transmission'] = 1 / df_runs['fw_atten']
    n_runs = df_runs.index.size
    mapping = df_runs.iloc[0]['reader'].mapping
    n_pixels = df_runs.iloc[0]['reader'].n_pixels

    with HDF5Reader(fw_path) as reader:
        df = reader.read("data")
        fw_m = df['fw_m'].values
        fw_merr = df['fw_merr'].values

    with HDF5Reader(ff_path) as reader:
        df = reader.read("data")
        ff_m = df['ff_m'].values
        ff_c = df['ff_c'].values

    df_list = []

    desc0 = "Looping over files"
    it = enumerate(df_runs.iterrows())
    for i, (run, row) in tqdm(it, total=n_runs, desc=desc0):
        reader = row['reader']
        transmission = row['transmission']
        fw_pos = row['fw_pos']
        n_rows = n_pixels * 1000
        pixel, charge = reader.select_columns(['pixel', 'charge'], stop=n_rows)
        true = transmission * fw_m[pixel]

        df = pd.DataFrame(
            dict(
                pixel=pixel,
                charge=charge,
                measured=(charge - ff_c[pixel]) / ff_m[pixel],
                run=run,
                transmission=transmission,
                fw_pos=fw_pos,
                true=true,
            ))
        trans = df.groupby('pixel').transform('mean')
        df['charge_mean'] = trans['charge']
        df['measured_mean'] = trans['measured']

        gb = df.groupby('pixel')

        df_stats = gb.agg({
            'charge': ['mean', 'std'],
            'measured': ['mean', 'std']
        })
        df_stats['run'] = run
        df_stats['transmission'] = transmission
        df_stats['fw_pos'] = fw_pos
        df_stats['true'] = transmission * fw_m
        df_stats['pixel'] = df_stats.index
        df_stats.loc[:, ('measured',
                         'res')] = gb.apply(charge_resolution_df).values
        df_stats.loc[:, ('charge', 'rms')] = gb.apply(rms_charge_df).values
        df_stats.loc[:, ('measured', 'rms')] = gb.apply(rms_measured_df).values

        df_list.append(df_stats)
        reader.store.close()

    df = pd.concat(df_list, ignore_index=True)

    with HDF5Writer(output_path) as writer:
        writer.write(data=df)
        writer.write_mapping(mapping)
        writer.write_metadata(n_pixels=n_pixels)
Exemplo n.º 13
0
def process(trigger_path, output_path):
    df = read_trigger_file(trigger_path)
    embed()

    with HDF5Writer(output_path) as writer:
        writer.write(data=df)
Exemplo n.º 14
0
def process(file):
    runlist_path = file.runlist_path
    output_path = file.saturation_recovery_path
    fw_path = file.fw_path
    plot_path = file.saturation_recovery_plot_path
    poi = file.poi

    df_runs = open_runlist_dl1(runlist_path)
    df_runs['transmission'] = 1 / df_runs['fw_atten']
    n_runs = df_runs.index.size
    mapping = df_runs.iloc[0]['reader'].mapping
    n_pixels = df_runs.iloc[0]['reader'].n_pixels

    cs = ChargeStatistics()

    desc0 = "Looping over files"
    it = enumerate(df_runs.iterrows())
    for i, (_, row) in tqdm(it, total=n_runs, desc=desc0):
        reader = row['reader']
        transmission = row['transmission']
        n_rows = n_pixels * 1000
        pixel, charge = reader.select_columns(['pixel', 'saturation_coeff'],
                                              stop=n_rows)
        cs.add(pixel, transmission, charge)
        reader.store.close()
    df_pixel, df_camera = cs.finish()

    df = df_pixel[["pixel", "amplitude", "mean", "std"]].copy()
    df = df.rename(columns={"amplitude": "transmission"})
    df_runs2 = df_runs[['transmission', 'pe_expected', 'fw_pos']].copy()
    df_runs2['run_number'] = df_runs2.index
    df = pd.merge(df, df_runs2, on='transmission')

    with HDF5Reader(fw_path) as reader:
        df_fw = reader.read("data")
        fw_m = df_fw['fw_m'].values
        fw_merr = df_fw['fw_merr'].values

    pixel = df['pixel'].values
    transmission = df['transmission'].values
    df['illumination'] = transmission * fw_m[pixel]
    df['illumination_err'] = transmission * fw_merr[pixel]

    d_list = []
    for pix in np.unique(df['pixel']):

        df_p = df.loc[df['pixel'] == pix]
        true = df_p['illumination'].values
        true_err = df_p['illumination_err'].values
        measured = df_p['mean'].values
        measured_std = df_p['std'].values

        flag = np.zeros(true.size, dtype=np.bool)
        flag[np.abs(true - 2500).argsort()[:5]] = True

        x = true[flag]
        y = measured[flag]
        y_err = measured_std[flag]

        p = polyfit(x, y, [1], w=1 / y_err)
        ff_c, ff_m = p

        d_list.append(dict(
            pixel=pix,
            ff_c=ff_c,
            ff_m=ff_m,
        ))

        if pix == poi:
            print("{:.3f}".format(ff_m))
            p_fit = FitPlotter()
            p_fit.plot(true, measured, true_err, measured_std, flag, p)
            p_fit.save(plot_path)

    df_calib = pd.DataFrame(d_list)
    df_calib = df_calib.sort_values('pixel')
    with HDF5Writer(output_path) as writer:
        writer.write(data=df_calib)
        writer.write_mapping(mapping)
        writer.write_metadata(n_pixels=n_pixels)
Exemplo n.º 15
0
def process(file):

    charge_averages_path = file.charge_averages_path
    fw_path = file.fw_path
    ff_path = file.ff_path
    plot_dir = file.ff_plot_dir
    poi = file.poi

    with HDF5Reader(charge_averages_path) as reader:
        df_avg = reader.read("data")
        mapping = reader.read_mapping()
        metadata = reader.read_metadata()

    with HDF5Reader(fw_path) as reader:
        df_fw = reader.read("data")
        fw_m = df_fw['fw_m'].values
        fw_merr = df_fw['fw_merr'].values

    pixel = df_avg['pixel'].values
    transmission = df_avg['transmission'].values
    df_avg['illumination'] = transmission * fw_m[pixel]
    df_avg['illumination_err'] = transmission * fw_merr[pixel]

    d_list = []
    for pix in np.unique(df_avg['pixel']):

        df_p = df_avg.loc[df_avg['pixel'] == pix]
        true = df_p['illumination'].values
        true_err = df_p['illumination_err'].values
        measured = df_p['mean'].values
        measured_std = df_p['std'].values

        flag = np.zeros(true.size, dtype=np.bool)
        flag[np.abs(true - 50).argsort()[:3]] = True

        x = true[flag]
        y = measured[flag]
        y_err = measured_std[flag]

        p, f = polyfit(x, y, [1], w=1 / y_err, full=True)
        ff_c, ff_m = p

        # n = x.size
        # sy = np.sqrt(np.sum((y - polyval(x, p))**2) / (n - 1))
        # sm = sy * np.sqrt(1/(np.sum((x - np.mean(x))**2)))
        # ff_merr = sm

        ff_merr = 0

        d_list.append(dict(
            pixel=pix,
            ff_c=ff_c,
            ff_m=ff_m,
            ff_merr=ff_merr,
        ))

        if pix == poi:
            print("{:.3f} ± {:.3f}".format(ff_m, ff_merr))
            p_fit = FitPlotter()
            p_fit.plot(true, measured, true_err, measured_std, flag, ff_c,
                       ff_m, ff_merr)
            p_fit.save(os.path.join(plot_dir, "flat_fielding.pdf"))

    df_calib = pd.DataFrame(d_list)
    df_calib = df_calib.sort_values('pixel')
    with HDF5Writer(ff_path) as writer:
        writer.write(data=df_calib)
        writer.write_mapping(mapping)
        writer.write_metadata(**metadata)

    p_hist2d = Hist2D()
    p_hist2d.plot(df_avg['illumination'].values, df_avg['mean'].values)
    p_hist2d.save(os.path.join(plot_dir, "pixel_averages.pdf"))
Exemplo n.º 16
0
def process(readers, output_path, superpixels):
    pix_dict = obtain_pixel_list(superpixels)

    df_list = []
    df_list_sum = []

    desc0 = "Looping over files"
    desc1 = "Looping over events"
    for reader in tqdm(readers, total=len(readers), desc=desc0):
        n_events = reader.n_events
        mapping = reader.tc_mapping
        mappingsp = MappingSP(mapping)

        for wfs in tqdm(reader, total=n_events, desc=desc1):
            iev = wfs.iev
            t_cpu = wfs.t_cpu

            for sp, p in pix_dict.items():
                wfs_pix = wfs[p]

                amplitude = wfs_pix.max(axis=1)
                baseline = wfs_pix[:, :20].mean(axis=1)

                # plt.plot(wfs_pix.T)
                # plt.title("iev = {}".format(iev))
                # plt.ylim((-60, 60))
                # plt.pause(1)
                # plt.cla()

                df_list.append(
                    pd.DataFrame(
                        dict(
                            iev=iev,
                            t_cpu=t_cpu,
                            pixel=p,
                            superpixel=sp,
                            amplitude=amplitude,
                            baseline=baseline,
                        )))

                wfs_sum = wfs_pix.sum(0)
                amplitude = wfs_sum.max()
                baseline = wfs_sum[:20].mean()

                df_list_sum.append(
                    pd.DataFrame(dict(
                        iev=iev,
                        t_cpu=t_cpu,
                        superpixel=sp,
                        amplitude=amplitude,
                        baseline=baseline,
                    ),
                                 index=pd.Index([0])))

    df = pd.concat(df_list, ignore_index=True)
    df_sum = pd.concat(df_list_sum, ignore_index=True)

    with HDF5Writer(output_path) as writer:
        writer.write(data=df)
        writer.write(data_sum=df_sum)
        meta = {"sp{}".format(sp): l for sp, l in superpixels.items()}
        writer.write_metadata(**meta)
Exemplo n.º 17
0
def process(file):

    runlist_path = file.spe_runlist_path
    spe_path = file.spe_path
    profile_path = file.illumination_profile_path
    dead = file.dead
    fw_path = file.fw_path
    plot_dir = file.fw_plot_dir
    pde = file.pde

    df_runs = open_runlist_dl1(runlist_path, False)
    df_runs['transmission'] = 1/df_runs['fw_atten']

    store_spe = pd.HDFStore(spe_path)
    df_spe = store_spe['coeff_pixel']
    df_spe_err = store_spe['errors_pixel']
    mapping = store_spe['mapping']
    with warnings.catch_warnings():
        warnings.simplefilter('ignore', UserWarning)
        mapping.metadata = store_spe.get_storer('mapping').attrs.metadata

    meta_spe = store_spe.get_storer('metadata').attrs.metadata
    n_spe_illuminations = meta_spe['n_illuminations']
    spe_files = meta_spe['files']
    n_pixels = meta_spe['n_pixels']

    mean_opct = df_spe['opct'].mean()
    if pde is None:
        pe2photons = PE2Photons().convert(mean_opct)
    else:
        pe2photons = 1/pde
    print("PDE = {:.3f}".format(1/pe2photons))
    print("OPCT = {:.3f}".format(mean_opct))

    spe_transmission = []
    pattern = '(.+?)/Run(.+?)_dl1.h5'
    for path in spe_files:
        try:
            reg_exp = re.search(pattern, path)
            if reg_exp:
                run = int(reg_exp.group(2))
                spe_transmission.append(df_runs.loc[run]['transmission'])
        except AttributeError:
            print("Problem with Regular Expression, "
                  "{} does not match patten {}".format(path, pattern))

    pix_lambda = np.zeros((n_spe_illuminations, n_pixels))
    pix_lambda_err = np.zeros((n_spe_illuminations, n_pixels))
    for ill in range(n_spe_illuminations):
        key = "lambda_" + str(ill)
        lambda_ = df_spe[['pixel', key]].sort_values('pixel')[key].values * pe2photons
        lambda_err = df_spe_err[['pixel', key]].sort_values('pixel')[key].values
        pix_lambda[ill] = lambda_
        pix_lambda_err[ill] = lambda_err

    if profile_path:
        with HDF5Reader(profile_path) as reader:
            correction = reader.read("correction")['correction']
    else:
        correction = np.ones(n_pixels)

    df_list = []
    for i in range(n_spe_illuminations):
        df_list.append(pd.DataFrame(dict(
            pixel=np.arange(n_pixels),
            correction=correction,
            transmission=spe_transmission[i],
            lambda_=pix_lambda[i],
            lambda_err=pix_lambda_err[i],
        )))
    df = pd.concat(df_list)

    # Obtain calibration
    dead_mask = np.zeros(n_pixels, dtype=np.bool)
    dead_mask[dead] = True

    transmission = np.unique(df['transmission'].values)
    lambda_ = []
    lambda_err = []
    corrections = []
    for i in range(len(transmission)):
        df_t = df.loc[df['transmission'] == transmission[i]]
        lambda_.append(df_t['lambda_'].values)
        lambda_err.append(df_t['lambda_err'].values)
        corrections.append(df_t['correction'].values)
    correction = corrections[0]
    lambda_ = np.array(lambda_)
    lambda_err = np.array(lambda_err)

    c_list = []
    m_list = []
    merr_list = []
    for pix in range(n_pixels):
        x = transmission
        y = lambda_[:, pix]
        yerr = lambda_err[:, pix]
        w = 1/yerr
        cp, mp = polyfit(x, y, 1, w=w)
        c_list.append(cp)
        m_list.append(mp)

        w2 = w**2
        merrp = np.sqrt(np.sum(w2)/(np.sum(w2)*np.sum(w2*x**2) - (np.sum(w2*x))**2))
        merr_list.append(merrp)

    c = np.array(c_list)
    m = np.array(m_list)
    merr = np.array(merr_list)

    # Exlude low gradients (dead pixels)
    # dead_mask[m < 1000] = True

    merr_corrected = merr / correction
    merr_corrected_d = merr_corrected[~dead_mask]

    m_corrected = m / correction
    m_corrected_d = m_corrected[~dead_mask]
    w = 1/merr_corrected_d
    m_avg = np.average(m_corrected_d, weights=w)
    m_pix = m_avg * correction
    m_avg_std = np.sqrt(np.average((m_corrected_d - m_avg) ** 2, weights=w))
    m_pix_std = m_avg_std * correction

    print("{:.3f} ± {:.3f}".format(m_avg, m_avg_std))

    df_calib = pd.DataFrame(dict(
        pixel=np.arange(n_pixels),
        fw_m=m_pix,
        fw_merr=m_pix_std,
    ))
    df_calib = df_calib.sort_values('pixel')

    with HDF5Writer(fw_path) as writer:
        writer.write(data=df_calib)
        writer.write_mapping(mapping)
        writer.write_metadata(
            n_pixels=n_pixels,
            fw_m_camera=m_avg,
            fw_merr_camera=m_avg_std,
        )

    p_fit = FitPlotter()
    l = np.s_[:5]
    p_fit.plot(transmission, lambda_[:, l], lambda_err[:, l], c[l], m[l])
    p_fit.save(os.path.join(plot_dir, "fw_calibration_fit.pdf"))

    p_line = LinePlotter()
    p_line.plot(m_avg, m_pix, m_avg_std)
    p_line.save(os.path.join(plot_dir, "fw_calibration.pdf"))

    p_hist = HistPlotter()
    p_hist.plot(m_corrected[~dead_mask])
    p_hist.save(os.path.join(plot_dir, "relative_pde.pdf"))