Exemplo n.º 1
0
def move_to_db(ddf, table_name, ftype="fitacf", coords="mlt",
	       db_name=None, 
               config_filename="../../mysql_dbconfig_files/config.ini",
               section="midlat"):

    """Writes POES Aur Bnd fitted coeffs to MySQL DB"""

    from mysql.connector import MySQLConnection
    from sqlalchemy import create_engine
    import sys
    sys.path.append("../../")
    from mysql_dbutils.db_config import db_config

    # construct a db name
    if db_name is None:
        db_name = "master_" + coords + "_" +ftype
 
    # read db config info
    config =  db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make a connection to master db
    try:
        engine = create_engine("mysql://" + config_info["user"] + ":" +\
			       config_info["password"] + "@" +\
			       config_info["host"] + "/" + db_name)
        conn = engine.connect() 
    except Exception, e:
        logging.error(e, exc_info=True)
def add_aur_bnd(sd_input_table,
                sd_output_table,
                poes_table,
                coords="mlt",
                ftype="fitacf",
                nbatches=20,
                db_name=None,
                config_filename="../mysql_dbconfig_files/config.ini",
                section="midlat"):
    """ Calculates Equatorward Bnd of Aur MLAT & rel_MLAT and writes 
    them to new columns in sd_input_table
    """

    from mysql.connector import MySQLConnection
    from sqlalchemy import create_engine
    import sys
    sys.path.append("../")
    from mysql_dbutils.db_config import db_config

    if db_name is None:
        db_name = "master_" + coords + "_" + ftype

    # read db config info
    config = db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make a connection to ten-min median iscat db
    try:
        conn = MySQLConnection(database=db_name, **config_info)
        cur = conn.cursor(buffered=True)
    except Exception, e:
        logging.error(e, exc_info=True)
    def _create_dbconn(self,
                       config_filename="../mysql_dbconfig_files/config.ini",
                       section="midlat",
                       db_name=None):
        """ creates a db connection

        Parameters
        ----------
        config_filename: str
            name and path of the configuration file
        section: str, default to "midlat" 
            section of database configuration
        db_name : str, default to None
            Name of the MySQL db to which iscat data has been written

	"""

        from mysql.connector import MySQLConnection
        import sys
        sys.path.append("../")
        from mysql_dbutils.db_config import db_config
        import logging

        # read the db config info
        config = db_config(config_filename=config_filename, section=section)
        config_info = config.read_db_config()

        # make db connection
        if db_name is None:
            db_name = self.rad + "_iscat_" + self.ftype
        try:
            conn = MySQLConnection(database=db_name, **config_info)
        except Exception, e:
            logging.error(e, exc_info=True)
Exemplo n.º 4
0
def master_summary_by_radar_season(
        input_table,
        output_table,
        coords="mlt",
        db_name=None,
        radar_pair=["cvw", "cve"],
        config_filename="../mysql_dbconfig_files/config.ini",
        section="midlat"):
    """ stores the summay statistics of the data in master table into 
    a different table in the same database.
    Time and rad informatin are all lost at this point.
    NOTE: this function is only used to selecet for pairs of radars from the
    six U.S. radars. 

    Parameters
    ----------
    input_table : str
        Name of a master table in master db
    output_table : str
        Name of a master_summary table in master db
    coords : str
        Coordinates in which the binning process took place.
        Default to "mlt, can be "geo" as well. 
    radar_pair = list
        a pair of three-character radar names
    config_filename: str
        name and path of the configuration file
    section: str, default to "midlat"
        section of database configuration
    db_name : str, default to None
        Name of the master db

    Returns
    -------
    Nothing

    """
    import datetime as dt
    import numpy as np
    from mysql.connector import MySQLConnection
    import sys
    sys.path.append("../")
    from mysql_dbutils.db_config import db_config
    import logging

    # construct a db name
    if db_name is None:
        db_name = "master_" + coords + "_" + ftype

    # read db config info
    config = db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make a connection to master db
    try:
        conn = MySQLConnection(database=db_name, **config_info)
        cur = conn.cursor(buffered=True)
    except Exception, e:
        logging.error(e, exc_info=True)
Exemplo n.º 5
0
def combine_ten_min_median(
        rads,
        ftype="fitacf",
        coords="mlt",
        config_filename="../mysql_dbconfig_files/config.ini",
        section="midlat",
        db_name=None):
    """ combines ten-minute median filtered gridded data from radars 
    specified by rads argument into a single table.

    Parameters
    ----------
    rads : list
        A list of three-letter radar codes
    ftype : str
        SuperDARN file type
    coords : str
        The Coordinate system. Default to "mlt. Can be "geo" as well.
    config_filename: str
        name and path of the configuration file
    section: str, default to "midlat"
        section of database configuration
    db_name : str, default to None
        Name of the MySQL db where ten-min median data is stored.

    Returns
    -------
    Nothing
    """

    import numpy as np
    import datetime as dt
    from mysql.connector import MySQLConnection
    import sys
    sys.path.append("../")
    from mysql_dbutils.db_config import db_config
    import logging

    # consruct a db name and a table name
    if db_name is None:
        db_name = "ten_min_median_" + coords + "_" + ftype
    output_table = "all_radars_" + ftype

    # read the db config info
    config = db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make a connection to ten-min median db
    try:
        conn = MySQLConnection(database=db_name, **config_info)
        cur = conn.cursor(buffered=True)
    except Exception, e:
        logging.error(e, exc_info=True)
def gmi_based_filter(rad,
                     output_table,
                     stm=None,
                     etm=None,
                     ftype="fitacf",
                     coords="mlt",
                     isKp_based=True,
                     kp_lim=[0.0, 2.3],
                     isSymH_based=False,
                     symh_min=-50,
                     config_filename="../mysql_dbconfig_files/config.ini",
                     section="midlat",
                     ten_min_median_dbname=None,
                     gmi_dbname=None,
                     gmi_db_location="../../data/sqlite3/"):
    """ Selects the data based on geomagnetic indicies.

    Parameters
    ----------
    rads : str
        Three-letter name of a radar whose data will be filtered.
    output_table : str
        Name of the table where filtered iscat data will be stored.
    stm : datetime.datetime
        The start time.
        Default to None, in which case takes the earliest in db.
    etm : datetime.datetime
        The end time.
        Default to None, in which case takes the latest time in db.
        NOTE: if stm is None then etm should also be None, and vice versa.
    ftype : str
        SuperDARN LOS data file type
    coords : str
        Coordinate systems. valid inputs are "geo" or "mlt".
    isKp_based : bool
        If set to True, data will be filtered based on Kp.
    kp_lim : list
        The range of Kp. The range bondaries are inclusive.
    isSymH_based : bool
        If set to True, data will be filtered based on SymH.
    symh_min : float
        The lower limit for SYMH.
    config_filename: str
        name and path of the configuration file
    section: str, default to "midlat"
        section of database configuration
    ten_min_median_dbname : str
        Name of the db where ten min median iscat data is stored.
        Default to None.
    gmi_dbname : str
        Name of the sqlite3 db where geomagnetic indices are stored.
        Default to None.
    gmi_db_location : str
        The path to gmi_dbname sqlite db.
        Default to None.

    Returns
    -------
    Nothing

    Note
    ----
    SymH base filter has not been implemented yet
    
    """

    import datetime as dt
    import sqlite3
    import os
    import sys
    sys.path.append("../../")
    from mysql.connector import MySQLConnection
    from mysql_dbutils.db_config import db_config
    import logging

    # construct db names and table names
    if ten_min_median_dbname is None:
        ten_min_median_dbname = "ten_min_median_" + coords + "_" + ftype
    if gmi_dbname is None:
        gmi_dbname = "gmi_imf.sqlite"
    input_table = rad + "_" + ftype

    # make db connection to geomag indicies data
    conn_gmi = sqlite3.connect(database=gmi_db_location + gmi_dbname,
                               detect_types=sqlite3.PARSE_DECLTYPES)
    cur_gmi = conn_gmi.cursor()

    # make db connection for ten-min median filtered iscat data
    # read the db config info
    config = db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make a connection
    try:
        conn_iscat = MySQLConnection(database=ten_min_median_dbname,
                                     **config_info)
        cur_iscat = conn_iscat.cursor(buffered=True)
    except Exception, e:
        logging.error(e, exc_info=True)
Exemplo n.º 7
0
    # create db name
    if input_dbname is None:
        input_dbname = "ten_min_median_" + coords + "_" + ftype
    if output_dbname is None:
        output_dbname = "master_" + coords + "_" + ftype

    # create a db (if not exist) that combines all the data
    try:
        # create a db
        db_tools.create_db(output_dbname)
    except Exception, e:
        logging.error(e, exc_info=True)

    # read db config info
    config = db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make a connection to ten-min median iscat db
    try:
        conn_ten = MySQLConnection(database=input_dbname, **config_info)
        cur_ten = conn_ten.cursor(buffered=True)
    except Exception, e:
        logging.error(e, exc_info=True)

    # make a connection to master db
    try:
        conn = MySQLConnection(database=output_dbname, **config_info)
        cur = conn.cursor(buffered=True)
    except Exception, e:
        logging.error(e, exc_info=True)
def read_from_db(rad,
                 stm,
                 etm,
                 ftype="fitacf",
                 config_filename="../mysql_dbconfig_files/config.ini",
                 section="midlat",
                 dbName=None,
                 plotrti=False):
    """ reads the boxcar-filtered data from db instead of files.
        NOTE: plotrti option does not work. working on it...

        Parameters
        ----------
        rad : str
            Three-letter radar code
        stm : datetime.datatime
            Start time for reading data
        etm : datetime.datatime
            End time for reading data
        ftype : str
            file type
	config_filename : str
	    name of the configuration file
	section: str
	    section of database configuration
        dbName : str, default to None
            db name
        plotrti : bool
            NOTE: plotrti option does not work. working on it...

        Returns
        -------
        dict
            A list of dicts of the data. Each dict element stores data for a certain beam.
            Data in each dict is stored in lists and separated in to tbands.

        """

    import json
    import datetime as dt
    from mysql.connector import MySQLConnection
    import sys
    sys.path.append("../")
    from mysql_dbutils.db_config import db_config
    import logging

    # construct a db name
    if dbName is None:
        dbName = rad + "_boxcar_" + ftype

# read the db config info
    config = db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make db connection
    conn = MySQLConnection(database=dbName, **config_info)
    cur = conn.cursor()

    # get all the table names
    command = "SELECT table_name FROM information_schema.tables "
    command = command + "where TABLE_TYPE='BASE TABLE' AND TABLE_SCHEMA='{db}'".\
                     format(db=dbName)
    try:
        cur.execute(command)
        tbl_names = cur.fetchall()
        tbl_names = [x[0] for x in tbl_names]
    except Exception, e:
        logging.error(e, exc_info=True)
Exemplo n.º 9
0
def bin_to_grid(rad,
                bmnum,
                stm=None,
                etm=None,
                ftype="fitacf",
                coords="mlt",
                hemi="north",
                config_filename="../mysql_dbconfig_files/config.ini",
                section="midlat",
                db_name=None):
    """ bins the data into mlat-mlt-azm.

    Parameters
    ----------
    rad : str
        Three-letter radar code
    bmnum : int
        Radar beam
    stm : datetime.datetime
        The start time.
        Default to None, in which case takes the earliest in db.
    etm : datetime.datetime
        The end time.
        Default to None, in which case takes the latest time in db.
        NOTE: if stm is None then etm should also be None, and vice versa.
    ftype : str
        SuperDARN file type
    coords : str
        Coordinates in which the binning process takes place.
        Default to "mlt. Can be "geo" as well. 
    hemi : str
        Hemisphere. e.g., "north", "south"
        NOTE: hemi not have been implemented yet.
    config_filename: str
        name and path of the configuration file
    section: str, default to "midlat"
        section of database configuration
    db_name : str, default to None
        Name of the MySQL db to which iscat data has been written

    Note
    ----
        0 xxx_gazmc directs towards magnetic (or geo) north. 180 gazmc directs towards south.
        gazmc (gridded azimuthal center) spans from 5 - 355 degrees. 
    
    """

    import numpy as np
    import datetime as dt
    from mysql.connector import MySQLConnection
    import sys
    sys.path.append("../")
    from mysql_dbutils.db_config import db_config
    import logging

    # create grid points
    if hemi == "north":
        grds = grids(lat_min=20, lat_max=90, dlat=1, half_dlat_offset=False)

    # read the db config info
    config = db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make db connection
    if db_name is None:
        db_name = rad + "_iscat_" + ftype
    try:
        conn = MySQLConnection(database=db_name, **config_info)
    except Exception, e:
        logging.error(e, exc_info=True)
Exemplo n.º 10
0
    # create tmpdirs to store dmap files temporarily
    for rad in rad_list:
        tmpdir = "../data/" + rad + "_tmp"
        os.system("mkdir -p " + tmpdir)

    # create dbs (if not exist) for radars
    for rad in rad_list:
        db_name = rad + "_boxcar_" + ftype 
        try:
            # create a db
            db_tools.create_db(db_name)
        except Exception, e:
            logging.error(e, exc_info=True)

    # read the db config info
    config = db_config.db_config(config_filename="../mysql_dbconfig_files/config.ini",
				  section="midlat")
    config_info = config.read_db_config()

    # make db connections and save them into a dict
    conn_dict = {} 
    for rad in rad_list:
        db_name = rad + "_boxcar_" + ftype 
        try:
            conn_tmp = MySQLConnection(database=db_name, **config_info)
            conn_dict[rad] = conn_tmp
        except Exception, e:
            logging.error(e, exc_info=True)

    # create dates, does not include the edate 
    all_dates = [sdate + dt.timedelta(days=i) for i in range((edate-sdate).days)]
Exemplo n.º 11
0
def cos_fit(input_table,
            output_table,
            db_name=None,
            config_filename="../mysql_dbconfig_files/config.ini",
            section="midlat",
            ftype="fitacf",
            coords="mlt",
            azbin_nvel_min=10,
            naz_min=3,
            az_span_min=30,
            sqrt_weighting=True):
    """ Does cosine fitting to the LOS data in each MLAT/MLT grid, 
    and stores the results in a different table named "master_cosfit_xxx". 
    This table has only the qualified latc-lonc grid points.

    Parameters
    ----------
    input_table : str
        A table name in db_name db
    output_table : str
        A table name in db_name db
    config_filename: str
        name and path of the configuration file
    section: str, default to "midlat"
        section of database configuration
    db_name : str, default to None
        Name of the master db
    ftype : str
        SuperDARN file type
    coords : str
        Coordinates in which the binning process took place.
        Default to "mlt, can be "geo" as well. 
    azbin_nvel_min : int
        The minimum number of measurements an azimuthal bin should
        have to be qualified for cosfitting. 
    naz_min : int
        The minimum number of azimuthal bins within a grid cell.
        cosine fitting is done if a grid cell has at least
        naz_min number of qualified azimuthal bins
    az_span_min : int
        The minimum azimuhtal span a grid cell should have to
        be qualified for cosfitting.
    sqrt_weighting : bool
        if set to True, the fitting is weighted by the number of points within 
        each azimuthal bin. if set to False, all azimuthal bins are
        considered equal regardless of the nubmer of points
        each of them contains.

    Returns
    -------
    Nothing

    
    """

    import numpy as np
    import datetime as dt
    from mysql.connector import MySQLConnection
    import sys
    sys.path.append("../")
    from mysql_dbutils.db_config import db_config
    import logging

    # construct a db name
    if db_name is None:
        db_name = "master_" + coords + "_" + ftype

    # read db config info
    config = db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make a connection to master db
    try:
        conn = MySQLConnection(database=db_name, **config_info)
        cur = conn.cursor(buffered=True)
    except Exception, e:
        logging.error(e, exc_info=True)
Exemplo n.º 12
0
    def move_to_db(self,
                   config_filename="../mysql_dbconfig_files/config.ini",
                   section="midlat",
                   db_name=None):
        """ writes the data into a MySQL db given by conn argument.

        Parameters
        ----------
        config_filename: str
            name and path of the configuration file
        section: str, default to mysql
            section of database configuration
	db_name : str, default to None
            Name of the MySQL db to which iscat data will be written

        Returns
        -------
        Nothing
	
        """

        from mysql.connector import MySQLConnection
        import sys
        sys.path.append("../")
        from mysql_dbutils.db_config import db_config
        import logging

        # read the db config info
        config = db_config(config_filename=config_filename, section=section)
        config_info = config.read_db_config()

        # make db connection
        if db_name is None:
            db_name = self.rad + "_iscat_" + self.ftype
        conn = MySQLConnection(database=db_name, **config_info)
        cur = conn.cursor()

        # loop through each radar beam
        for bmnum in self.events.keys():
            data_dict = self.events[bmnum]

            # create a table
            table_name = self.rad + "_bm" + str(bmnum)
            command = "CREATE TABLE IF NOT EXISTS {tb} (\
                      datetime DATETIME,\
                      vel TEXT DEFAULT NULL,\
                      slist TEXT DEFAULT NULL,\
                      rsep TINYINT(4) DEFAULT NULL,\
                      frang SMALLINT(4) DEFAULT NULL,\
                      bmazm FLOAT(7,2) DEFAULT NULL,\
                      PRIMARY KEY (datetime))".format(tb=table_name)
            try:
                cur.execute(command)
            except Exception, e:
                logging.error(e, exc_info=True)

            # loop through each scan time, usually 2 minutes,
            # and write the data into table_name in db
            for i in xrange(len(data_dict['datetime'])):
                command = "INSERT IGNORE INTO {tb} (datetime, vel, slist, rsep, " +\
                          "frang, bmazm) VALUES (%s, %s, %s, %s, %s, %s)"
                command = command.format(tb=table_name)
                try:
                    cur.execute(command,
                                (data_dict["datetime"][i], data_dict["vel"][i],
                                 data_dict["slist"][i], data_dict["rsep"][i],
                                 data_dict["frang"][i], data_dict["bmazm"][i]))
                except Exception, e:
                    logging.error(e, exc_info=True)
Exemplo n.º 13
0
def fetch_data(input_table,
               lat_range=[52, 59],
               nvel_min=250,
               season="winter",
               config_filename="../mysql_dbconfig_files/config.ini",
               section="midlat",
               db_name=None,
               ftype="fitacf",
               coords="mlt",
               sqrt_weighting=True,
               limit_to_night=True):
    """ fetch fitted data from the master db into a dict

    Parameters
    ----------
    input_table : str
        A table name in db_name db
    lat_ragne : list
	The range of latitudes of interest
    nvel_min : int
        minimum requirement for the number of velocity measurements
	in a lat-lon grid cell
    season : str
        season of interest
    config_filename: str
        name and path of the configuration file
    section: str, default to "midlat"
        section of database configuration
    db_name : str, default to None
        Name of the master db
    ftype : str
        SuperDARN file type
    coords : str
        Coordinates in which the binning process took place.
        Default to "mlt, can be "geo" as well.
    sqrt_weighting : bool
        if set to True, the fitted vectors that are produced through weighting the
        number of points within each azimuthal bin will be retrieved. 
        if set to False, the fitted vectors that are produced by equality weighting
        the number of points within each azimuthal bin will be retrieved.

    Return
    ------
    data_dict : dict

    """
    import sqlite3
    import datetime as dt
    import numpy as np
    from mysql.connector import MySQLConnection
    import sys
    sys.path.append("../")
    from mysql_dbutils.db_config import db_config
    import logging

    # construct a db name
    if db_name is None:
        db_name = "master_" + coords + "_" + ftype

    # read db config info
    config = db_config(config_filename=config_filename, section=section)
    config_info = config.read_db_config()

    # make a connection to master db
    try:
        conn = MySQLConnection(database=db_name, **config_info)
        cur = conn.cursor(buffered=True)
    except Exception, e:
        logging.error(e, exc_info=True)