Ejemplo n.º 1
0
def get_inst_combos(db_session, inst_list, time_min, time_max):
    """
    function to create instrument based lists of combo queries for image pre-processing
    @param db_session: database session to query image combos from
    @param inst_list: list of instruments
    @param time_min: minimum query time for image combos
    @param time_max: maximum query time for image combos
    @return: inst list of lbc combo queries, inst list of iit combo queries
    """
    start = time.time()
    print("Querying Combo IDs from the database. This only needs to be done once.")
    # query for combo ids within date range
    lbc_combo_query = [None] * len(inst_list)
    iit_combo_query = [None] * len(inst_list)
    for inst_index, instrument in enumerate(inst_list):
        lbc_combo = db_funcs.query_inst_combo(db_session, time_min - datetime.timedelta(days=180),
                                              time_max + datetime.timedelta(days=180),
                                              meth_name='LBCC', instrument=instrument)
        iit_combo = db_funcs.query_inst_combo(db_session, time_min - datetime.timedelta(days=180),
                                              time_max + datetime.timedelta(days=180), meth_name='IIT',
                                              instrument=instrument)
        lbc_combo_query[inst_index] = lbc_combo
        iit_combo_query[inst_index] = iit_combo
        print("Combo IDs have been queried for", instrument)
    end = time.time()
    print("Combo IDs have been queried from the database in", end - start, "seconds.")
    return lbc_combo_query, iit_combo_query
Ejemplo n.º 2
0
v_cmap = cm.get_cmap('viridis')
n_mu = len(sample_mu)
color_dist = np.linspace(0., 1., n_mu)

linestyles = ['dashed']
marker_types = ['None']
meth_name = 'LBCC'

for inst_index, instrument in enumerate(inst_list):
    print("Generating plots for " + instrument + ".")
    # query theoretic parameters
    theoretic_query = np.zeros((len(moving_avg_centers), 6))
    theoretic_query2 = np.empty((len(moving_avg_centers), 6))
    theoretic_query2.fill(np.nan)
    # query correct image combos
    combo_query = query_inst_combo(db_session, query_time_min, query_time_max,
                                   meth_name, instrument)
    plot_beta = np.zeros((sample_mu.__len__(), moving_avg_centers.__len__()))
    plot_beta2 = np.zeros((sample_mu.__len__(), moving_avg_centers.__len__()))
    plot_y = np.zeros((sample_mu.__len__(), moving_avg_centers.__len__()))
    plot_y2 = np.zeros((sample_mu.__len__(), moving_avg_centers.__len__()))
    for date_index, center_date in enumerate(moving_avg_centers):
        # query for variable value
        temp_vals = query_var_val(db_session,
                                  meth_name,
                                  date_obs=np.datetime64(center_date).astype(
                                      datetime.datetime),
                                  inst_combo_query=combo_query)
        theoretic_query[date_index, :] = temp_vals
        if (np.isnan(temp_vals).all()
                or center_date < combo_query.date_mean.min()
                or center_date > combo_query.date_mean.max()):
Ejemplo n.º 3
0
 #### QUERY IMAGES ####
 query_instrument = [
     instrument,
 ]
 rot_images = db_funcs.query_euv_images_rot(db_session,
                                            rot_min=rot_min,
                                            rot_max=rot_max,
                                            instrument=query_instrument)
 image_pd = rot_images.sort_values(by=['cr_rot'])
 # get time minimum and maximum for instrument
 inst_time_min = rot_images.date_obs.min()
 inst_time_max = rot_images.date_obs.max()
 # query correct image combos
 lbc_meth_name = "LBCC"
 combo_query_lbc = db_funcs.query_inst_combo(db_session, inst_time_min,
                                             inst_time_max, lbc_meth_name,
                                             instrument)
 iit_meth_name = "IIT"
 combo_query_iit = db_funcs.query_inst_combo(db_session, inst_time_min,
                                             inst_time_max, iit_meth_name,
                                             instrument)
 # query correct image combos
 combo_query_lbc = db_funcs.query_inst_combo(db_session,
                                             hist_query_time_min,
                                             hist_query_time_max,
                                             meth_name="LBCC",
                                             instrument=instrument)
 # query correct image combos
 combo_query_iit = db_funcs.query_inst_combo(db_session,
                                             hist_query_time_min,
                                             hist_query_time_max,
Ejemplo n.º 4
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defs_columns = []
for column in db_class.Var_Defs.__table__.columns:
    defs_columns.append(column.key)
df_cols = set().union(meth_columns, defs_columns, ("var_val", ))
methods_template = pd.DataFrame(data=None, columns=df_cols)
# generate a list of methods dataframes
methods_list = [methods_template] * query_pd.__len__()

# --- 2. Apply pre-processing corrections ------------------------------------------

for inst_index, instrument in enumerate(inst_list):
    print("Starting corrections for", instrument, "images.\n")
    # query correct image combos
    lbc_combo_query = db_funcs.query_inst_combo(
        db_session,
        query_time_min - datetime.timedelta(days=7),
        query_time_max + datetime.timedelta(days=7),
        meth_name='LBCC Theoretic',
        instrument=instrument)
    iit_combo_query = db_funcs.query_inst_combo(
        db_session,
        query_time_min - datetime.timedelta(days=7),
        query_time_max + datetime.timedelta(days=7),
        meth_name='IIT',
        instrument=instrument)

    # create dataframe for instrument
    hist_inst = query_pd['instrument']
    instrument_pd = query_pd[hist_inst == instrument]

    for index, row in instrument_pd.iterrows():
        print("Processing image number", row.data_id,
Ejemplo n.º 5
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# method information
meth_name = "LBCC"

##### QUERY IMAGES ######
for inst_index, instrument in enumerate(inst_list):

    query_instrument = [
        instrument,
    ]
    image_pd = query_euv_images(db_session=db_session,
                                time_min=lbc_query_time_min,
                                time_max=lbc_query_time_max,
                                instrument=query_instrument)
    # query correct image combos
    combo_query = query_inst_combo(
        db_session, lbc_query_time_min - datetime.timedelta(weeks=2),
        lbc_query_time_max + datetime.timedelta(weeks=2), meth_name,
        instrument)

    ###### GET LOS IMAGES COORDINATES (DATA) #####
    # apply LBC
    for index in range(n_images_plot):
        row = image_pd.iloc[index]
        print("Processing image number", row.data_id, ".")
        if row.fname_hdf == "":
            print("Warning: Image # " + str(row.data_id) +
                  " does not have an associated hdf file. Skipping")
            continue
        hdf_path = os.path.join(hdf_data_dir, row.fname_hdf)
        original_los = psi_d_types.read_los_image(hdf_path)
        original_los.get_coordinates(R0=R0)
        theoretic_query = query_var_val(
Ejemplo n.º 6
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        db_class.EUV_Images.instrument == instrument).all()
    # extract datetime from weird sqlalchemy construct
    min_date = min_date_query[0][0]
    # set lower trim max date
    lower_trim_max = min_date + trim_window

    # determine minimum image date
    max_date_query = db_session.query(func.max(db_class.EUV_Images.date_obs)).filter(
        db_class.EUV_Images.instrument == instrument).all()
    # extract datetime from weird sqlalchemy construct
    max_date = max_date_query[0][0]
    # set lower trim max date
    upper_trim_min = max_date - trim_window

    # delete LBCCs before lower_trim_max ------------
    del_combos = query_inst_combo(db_session, query_time_min=datetime.datetime(2000, 1, 1, 0, 0, 0),
                                  query_time_max=lower_trim_max, meth_name=meth_name, instrument=instrument)
    if del_combos.shape[0] > 0:
        print("Trimming early LBCC values for ", instrument)
        # First delete the variable values
        nvals = db_session.query(db_class.Var_Vals).filter(
            db_class.Var_Vals.combo_id.in_(del_combos.combo_id.to_list())
        ).delete(synchronize_session=False)
        # Then delete from image_combo_assoc
        nassoc = db_session.query(db_class.Data_Combo_Assoc).filter(
            db_class.Data_Combo_Assoc.combo_id.in_(del_combos.combo_id.to_list())
        ).delete(synchronize_session=False)
        # Last delete from image_combos
        ncombos = db_session.query(db_class.Data_Combos).filter(
            db_class.Data_Combos.combo_id.in_(del_combos.combo_id.to_list())
        ).delete(synchronize_session=False)
Ejemplo n.º 7
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# for instrument in inst_list:
instrument = inst_list[1]

print("Calculation for instrument:", instrument)
# query EUV images
query_instrument = [
    instrument,
]
image_pd = db_funcs.query_euv_images(db_session=db_session,
                                     time_min=lbc_query_time_min,
                                     time_max=lbc_query_time_max,
                                     instrument=query_instrument)
# query correct image combos
combo_query = db_funcs.query_inst_combo(db_session,
                                        lbc_query_time_min,
                                        lbc_query_time_max,
                                        meth_name="LBCC",
                                        instrument=instrument)
# apply LBC
# for index, row in image_pd.iterrows():
index = 0
row = image_pd.iloc[index]

print("Calculating IIT histogram at time:", row.date_obs)
original_los, lbcc_image, mu_indices, use_indices, theoretic_query = lbcc_funcs.apply_lbc(
    db_session,
    hdf_data_dir,
    combo_query,
    image_row=row,
    n_intensity_bins=n_intensity_bins,
    R0=R0)
Ejemplo n.º 8
0
def plot_iit_histograms(db_session,
                        hdf_data_dir,
                        hist_query_time_min,
                        hist_query_time_max,
                        inst_list,
                        ref_inst,
                        n_intensity_bins=200,
                        lat_band=[-np.pi / 2.4, np.pi / 2.4],
                        R0=1.01,
                        log10=True):
    # start time
    start_time = time.time()

    #### GET REFERENCE INFO FOR LATER USE ####
    # get index number of reference instrument
    ref_index = inst_list.index(ref_inst)
    # query euv images to get carrington rotation range
    ref_instrument = [
        ref_inst,
    ]
    euv_images = db_funcs.query_euv_images(db_session,
                                           time_min=hist_query_time_min,
                                           time_max=hist_query_time_max,
                                           instrument=ref_instrument)
    # get min and max carrington rotation
    rot_max = euv_images.cr_rot.max()
    rot_min = euv_images.cr_rot.min()

    # method information
    meth_name = "IIT"
    method_id = db_funcs.get_method_id(db_session,
                                       meth_name,
                                       meth_desc=None,
                                       var_names=None,
                                       var_descs=None,
                                       create=False)

    # query for IIT histograms
    pd_lbc_hist = db_funcs.query_hist(db_session=db_session,
                                      meth_id=method_id[1],
                                      n_intensity_bins=n_intensity_bins,
                                      lat_band=lat_band,
                                      time_min=hist_query_time_min,
                                      time_max=hist_query_time_max)
    pd_lbc_hist_srt = pd_lbc_hist.sort_values(by=['image_id'])
    # convert the binary types back to arrays
    mu_bin_edges, intensity_bin_edges, full_lbc_hist = psi_d_types.binary_to_hist(
        pd_lbc_hist_srt, n_mu_bins=None, n_intensity_bins=n_intensity_bins)
    # create corrected/original histograms
    original_hist_list = np.full(full_lbc_hist.shape, 0, dtype=np.int64)
    corrected_hist_list = np.full(full_lbc_hist.shape, 0, dtype=np.int64)
    for inst_index, instrument in enumerate(inst_list):
        print("Applying corrections for", instrument)
        #### QUERY IMAGES ####
        query_instrument = [
            instrument,
        ]
        rot_images = db_funcs.query_euv_images_rot(db_session,
                                                   rot_min=rot_min,
                                                   rot_max=rot_max,
                                                   instrument=query_instrument)
        image_pd = rot_images.sort_values(by=['cr_rot'])
        # get time minimum and maximum for instrument
        inst_time_min = rot_images.date_obs.min()
        inst_time_max = rot_images.date_obs.max()
        # query correct image combos
        lbc_meth_name = "LBCC"
        combo_query_lbc = db_funcs.query_inst_combo(db_session, inst_time_min,
                                                    inst_time_max,
                                                    lbc_meth_name, instrument)
        iit_meth_name = "IIT"
        combo_query_iit = db_funcs.query_inst_combo(db_session, inst_time_min,
                                                    inst_time_max,
                                                    iit_meth_name, instrument)
        # query correct image combos
        combo_query_lbc = db_funcs.query_inst_combo(db_session,
                                                    hist_query_time_min,
                                                    hist_query_time_max,
                                                    meth_name="LBCC",
                                                    instrument=instrument)
        # query correct image combos
        combo_query_iit = db_funcs.query_inst_combo(db_session,
                                                    hist_query_time_min,
                                                    hist_query_time_max,
                                                    meth_name="IIT",
                                                    instrument=instrument)
        for index, row in image_pd.iterrows():
            # apply LBC
            original_los, lbcc_image, mu_indices, use_indices, theoretic_query = lbcc_funcs.apply_lbc(
                db_session,
                hdf_data_dir,
                combo_query_lbc,
                image_row=row,
                n_intensity_bins=n_intensity_bins,
                R0=R0)

            #### ORIGINAL LOS DATA ####
            # calculate IIT histogram from original data
            original_los_hist = psi_d_types.LosImage.iit_hist(
                original_los, intensity_bin_edges, lat_band, log10)
            # add 1D histogram to array
            original_hist_list[:, index] = original_los_hist

            #### CORRECTED DATA ####
            # apply IIT correction
            lbcc_image, iit_image, use_indices, alpha, x = iit_funcs.apply_iit(
                db_session,
                combo_query_iit,
                lbcc_image,
                use_indices,
                original_los,
                R0=R0)

            #### CREATE CORRECTED IIT HISTOGRAM #####
            # calculate IIT histogram from LBC
            hist_iit = psi_d_types.IITImage.iit_hist(iit_image, lat_band,
                                                     log10)
            # create IIT histogram datatype
            corrected_hist = psi_d_types.create_iit_hist(
                iit_image, method_id[1], lat_band, hist_iit)
            corrected_hist_list[:, index] = corrected_hist.hist

    # plotting definitions
    color_list = ['red', 'blue', 'black']
    linestyle_list = ['solid', 'dashed', 'dashdot']

    #### CREATE NEW HISTOGRAM ####
    for inst_index, instrument in enumerate(inst_list):
        print("Plotting Histograms for", instrument)
        #### GET INDICES TO USE ####
        # get index of instrument in histogram dataframe
        hist_inst = pd_lbc_hist_srt['instrument']
        pd_inst_index = hist_inst[hist_inst == instrument].index

        #### ORIGINAL HISTOGRAM #####
        # define histogram
        original_hist = original_hist_list[:, pd_inst_index].sum(axis=1)
        # normalize histogram
        row_sums = original_hist.sum(axis=0, keepdims=True)
        norm_original_hist = original_hist / row_sums

        # plot original
        Plotting.Plot1d_Hist(norm_original_hist,
                             instrument,
                             inst_index,
                             intensity_bin_edges,
                             color_list,
                             linestyle_list,
                             figure=100,
                             xlabel="Intensity (log10)",
                             ylabel="H(I)",
                             title="Histogram: Original LOS Data")

        #### LBCC HISTOGRAM #####
        # define histogram
        lbc_hist = full_lbc_hist[:, pd_inst_index].sum(axis=1)
        # normalize histogram
        lbc_sums = lbc_hist.sum(axis=0, keepdims=True)
        norm_lbc_hist = lbc_hist / lbc_sums

        # plot lbcc
        Plotting.Plot1d_Hist(norm_lbc_hist,
                             instrument,
                             inst_index,
                             intensity_bin_edges,
                             color_list,
                             linestyle_list,
                             figure=200,
                             xlabel="Intensity (log10)",
                             ylabel="H(I)",
                             title="Histogram: Post LBCC")

        #### CORRECTED HISTOGRAM ####
        # define histogram
        corrected_hist = corrected_hist_list[:, pd_inst_index].sum(axis=1)
        # normalize histogram
        iit_sums = corrected_hist.sum(axis=0, keepdims=True)
        norm_corrected_hist = corrected_hist / iit_sums

        # plot corrected
        Plotting.Plot1d_Hist(norm_corrected_hist,
                             instrument,
                             inst_index,
                             intensity_bin_edges,
                             color_list,
                             linestyle_list,
                             figure=300,
                             xlabel="Intensity (log10)",
                             ylabel="H(I)",
                             title="Histogram: Post IIT")

    # end time
    end_time = time.time()
    print("ITT has been applied and original/resulting histograms plotted.")
    print("Total elapsed time to apply correction and plot histograms: " +
          str(round(end_time - start_time, 3)) + " seconds.")

    return None
Ejemplo n.º 9
0
def apply_iit_correction(db_session,
                         hdf_data_dir,
                         iit_query_time_min,
                         iit_query_time_max,
                         inst_list,
                         ref_inst,
                         n_intensity_bins=200,
                         R0=1.01,
                         n_images_plot=1,
                         plot=False):
    # start time
    start_time = time.time()

    #### GET REFERENCE INFO FOR LATER USE ####
    # query euv images to get carrington rotation range
    ref_instrument = [
        ref_inst,
    ]
    euv_images = db_funcs.query_euv_images(db_session,
                                           time_min=iit_query_time_min,
                                           time_max=iit_query_time_max,
                                           instrument=ref_instrument)
    # get min and max carrington rotation
    rot_max = euv_images.cr_rot.max()
    rot_min = euv_images.cr_rot.min()

    for inst_index, instrument in enumerate(inst_list):
        #### QUERY IMAGES ####
        query_instrument = [
            instrument,
        ]
        rot_images = db_funcs.query_euv_images_rot(db_session,
                                                   rot_min=rot_min,
                                                   rot_max=rot_max,
                                                   instrument=query_instrument)
        image_pd = rot_images.sort_values(by=['cr_rot'])
        # get time minimum and maximum for instrument
        inst_time_min = rot_images.date_obs.min()
        inst_time_max = rot_images.date_obs.max()
        # query correct image combos
        lbc_meth_name = "LBCC"
        combo_query_lbc = db_funcs.query_inst_combo(db_session, inst_time_min,
                                                    inst_time_max,
                                                    lbc_meth_name, instrument)
        iit_meth_name = "IIT"
        combo_query_iit = db_funcs.query_inst_combo(db_session, inst_time_min,
                                                    inst_time_max,
                                                    iit_meth_name, instrument)
        # apply LBC
        for index in range(n_images_plot):
            row = image_pd.iloc[index]
            print("Processing image number", row.data_id,
                  "for IIT Correction.")
            #### APPLY LBC CORRECTION #####
            original_los, lbcc_image, mu_indices, use_indices, theoretic_query = lbcc_funcs.apply_lbc(
                db_session,
                hdf_data_dir,
                combo_query_lbc,
                image_row=row,
                n_intensity_bins=n_intensity_bins,
                R0=R0)
            #### APPLY IIT CORRECTION ####
            lbcc_image, iit_image, use_indices, alpha, x = apply_iit(
                db_session,
                combo_query_iit,
                lbcc_image,
                use_indices,
                original_los,
                R0=R0)

            if plot:
                lbcc_data = lbcc_image.lbcc_data
                corrected_iit_data = iit_image.iit_data
                # plot LBC image
                Plotting.PlotCorrectedImage(lbcc_data,
                                            los_image=original_los,
                                            nfig=100 + inst_index * 10 + index,
                                            title="Corrected LBCC Image for " +
                                            instrument)
                # plot IIT image
                Plotting.PlotCorrectedImage(corrected_iit_data,
                                            los_image=original_los,
                                            nfig=200 + inst_index * 10 + index,
                                            title="Corrected IIT Image for " +
                                            instrument)
                # plot difference
                Plotting.PlotCorrectedImage(corrected_iit_data - lbcc_data,
                                            los_image=original_los,
                                            nfig=300 + inst_index * 10 + index,
                                            title="Difference Plot for " +
                                            instrument)

    # end time
    end_time = time.time()
    print("ITT has been applied and specified images plotted.")
    print("Total elapsed time to apply correction and plot: " +
          str(round(end_time - start_time, 3)) + " seconds.")

    return None
Ejemplo n.º 10
0
 #### QUERY IMAGES ####
 query_instrument = [
     instrument,
 ]
 rot_images = db_funcs.query_euv_images_rot(db_session,
                                            rot_min=rot_min,
                                            rot_max=rot_max,
                                            instrument=query_instrument)
 image_pd = rot_images.sort_values(by=['cr_rot'])
 # get time minimum and maximum for instrument
 inst_time_min = rot_images.date_obs.min()
 inst_time_max = rot_images.date_obs.max()
 # query correct image combos
 lbc_meth_name = "LBCC"
 combo_query_lbc = db_funcs.query_inst_combo(db_session, inst_time_min,
                                             inst_time_max, lbc_meth_name,
                                             instrument)
 iit_meth_name = "IIT"
 combo_query_iit = db_funcs.query_inst_combo(db_session, inst_time_min,
                                             inst_time_max, iit_meth_name,
                                             instrument)
 # apply LBC
 for index in range(n_images_plot):
     row = image_pd.iloc[index]
     #### APPLY LBC CORRECTION #####
     #### APPLY LBC CORRECTION #####
     original_los, lbcc_image, mu_indices, use_indices, theoretic_query = lbcc_funcs.apply_lbc(
         db_session,
         hdf_data_dir,
         combo_query_lbc,
         image_row=row,