Ejemplo n.º 1
0
    def string_to_tuple(s):
        q = s.split(",")

        if is_number(q[0]):
            q = np.array([float(t) for t in q])
            q_type = "TUPLE_FLOAT"
            return q, q_type

        if q[0] == "T" or q[0] == "F":
            q = np.array([bool(t == "T") for t in q])
            q_type = "TUPLE_BOOL"
            return q, q_type

        if type(q[0]) == type("string"):
            q = [t.replace('"', "").replace("'", "") for t in q]
            q_type = "TUPLE_STRING"
            return q, q_type

        print("! ERROR: Could not parse string " + s + " into a tuple!")
        print(
            "! DEBUG_BREAKPOINT AKTIVATED - check out the following variables: string s, tuple q, first entry in tuple q[0]"
        )
        debug_breakpoint()
        return None, None
Ejemplo n.º 2
0
    def string_to_tuple(s):
        q = s.split(',')

        if is_number(q[0]):
            q = np.array([float(t) for t in q])
            q_type = 'TUPLE_FLOAT'
            return q, q_type

        if q[0] == 'T' or q[0] == 'F':
            q = np.array([bool(t == 'T') for t in q])
            q_type = 'TUPLE_BOOL'
            return q, q_type

        if type(q[0]) == type('string'):
            q = [t.replace('"', '').replace("'", '') for t in q]
            q_type = 'TUPLE_STRING'
            return q, q_type

        print('! ERROR: Could not parse string ' + s + ' into a tuple!')
        print(
            '! DEBUG_BREAKPOINT AKTIVATED - check out the following variables: string s, tuple q, first entry in tuple q[0]'
        )
        debug_breakpoint()
        return None, None
Ejemplo n.º 3
0
    def copy(self,
             path_root='.',
             name=False,
             start_optionals=False,
             optionals=True,
             quiet=True,
             rename_submit_script=False,
             OVERWRITE=False):
        """
        This method does a copy of the simulation object by creating a new
        directory 'name' in 'path_root' and copy all simulation components and
        optiona)
                ls to its directory.
        This method neither links/compiles the simulation.
        If start_optionals it creates data dir.
        It does not overwrite anything, unless OVERWRITE is True.

        Submit Script Rename:
            Name in submit scripts will be renamed if possible!
            Submit scripts will be identified by submit* plus appearenace of old
            simulation name inside, latter will be renamed!

        Args:
            path_root:      Path to new sim.-folder(sim.-name). This folder will
                            be created if not existing! Relative paths are
                            thought to be relative to the python current workdir
            name:     Name of new simulation, will be used as folder name.
                      Rename will also happen in submit script if found.
                      Simulation folders is not allowed to preexist!!
            optionals:      Add list of further files to be copied. Wildcasts
                            allowed according to glob module!
                            Set True to use self.optionals.
            start optionals:    Add list of further files to be copied.
                                Wildcasts allowed according to glob module!
                                Set True to use self.optionals.
            quiet:              Set True to suppress output.
            rename_submit_script:    Set False if no renames shall be performed
                                     in submit* files
            OVERWRITE:          Set True to overwrite no matter what happens!
        """
        from glob import glob
        from numpy import size
        from os import listdir, symlink
        from shutil import copyfile

        from pencil import get_sim
        from pencil.io import mkdir, get_systemid, rename_in_submit_script, debug_breakpoint
        from pencil import is_sim_dir

        # set up paths
        if path_root == False or type(path_root) != type('string'):
            print('! ERROR: No path_root specified to copy the simulation to.')
            return False
        path_root = abspath(path_root)  # simulation root dir

        # name and folder of new simulation but keep name of old if sim with old
        # name is NOT existing in NEW directory
        if name == False:
            name = self.name
        if exists(join(path_root, name)) and OVERWRITE == False:
            name = name + '_copy'
            if exists(join(path_root, name)):
                name = name + str(
                    size([f
                          for f in listdir(path_root) if f.startswith(name)]))
            print(
                '? Warning: No name specified and simulation with that name ' +
                'already found! New simulation name now ' + name)
        path_newsim = join(path_root, name)  # simulation abspath
        path_newsim_src = join(path_newsim, 'src')
        if islink(join(path_root, self.name, 'data')):
            link_data = True
            oldtmp = os.path.realpath(join(path_root, self.name, 'data'))
            newtmp = join(str.strip(str.strip(oldtmp, 'data'), self.name),
                          name, 'data')
            if exists(newtmp) and OVERWRITE == False:
                raise ValueError(
                    'Data directory {0} already exists'.format(newtmp))
            else:
                path_newsim_data = newtmp
                path_newsim_data_link = join(path_newsim, 'data')
        else:
            link_data = False
            path_newsim_data = join(path_newsim, 'data')

        path_initial_condition = join(self.path, 'initial_condition')
        if exists(path_initial_condition):
            has_initial_condition_dir = True
            path_newsim_initcond = join(path_newsim, 'initial_condition')
        else:
            has_initial_condition_dir = False

        if type(optionals) == type(['list']):
            optionals = self.optionals + optionals  # optional files to be copied
        if optionals == True: optionals = self.optionals
        if type(optionals) == type('string'): optionals = [optionals]
        if type(optionals) != type(['list']):
            print('! ERROR: optionals must be of type list!')

        tmp = []
        for opt in optionals:
            files = glob(join(self.path, opt))
            for f in files:
                tmp.append(basename(f))
        optionals = tmp

        # optional files to be copied
        if type(start_optionals) == type(['list']):
            start_optionals = self.start_optionals + start_optionals
        if start_optionals == False: start_optionals = self.start_optionals
        if type(start_optionals) == type('string'):
            start_optionals = [start_optionals]
        if type(start_optionals) != type(['list']):
            print('! ERROR: start_optionals must be of type list!')

        tmp = []
        for opt in start_optionals:
            files = glob(join(self.datadir, opt))
            for f in files:
                tmp.append(basename(f))
        start_optionals = tmp
        ## check if the copy was already created
        if is_sim_dir(path_newsim) and OVERWRITE == False:
            if not quiet:
                print('? WARNING: Simulation already exists.' +
                      ' Returning with existing simulation.')
            return get_sim(path_newsim, quiet=quiet)

        ## expand list of optionals wildcasts

        # check existence of path_root+name, a reason to stop and not overwrite
        if OVERWRITE == False and exists(path_newsim):
            print(
                '! ERROR: Folder to copy simulation to already exists!\n! -> '
                + path_newsim)
            return False

        # check existance of self.components
        for comp in self.components:
            if not exists(join(self.path, comp)):
                print('! ERROR: Couldnt find component ' + comp +
                      ' from simulation ' + self.name + ' at location ' +
                      join(self.path, comp))
                return False

        # check existance of optionals
        for opt in optionals:
            if not exists(join(self.path, opt)):
                print('! ERROR: Couldnt find optional component ' + opt +
                      ' from simulation ' + self.name + ' at location ' +
                      join(self.path, opt))
                return False

        # check existance of self.start_components
        for comp in self.start_components:
            if not exists(join(self.datadir, comp)):
                print('! ERROR: Couldnt find component ' + comp +
                      ' from simulation ' + self.name + ' at location ' +
                      join(self.path, comp))
                return False

        # check existance of start_optionals
        for opt in start_optionals:
            if not exists(join(self.datadir, opt)):
                print('! ERROR: Couldnt find optional component ' + opt +
                      ' from simulation ' + self.name + ' at location ' +
                      join(self.datadir, opt))
                return False

        # create folders
        if mkdir(path_newsim) == False and OVERWRITE == False:
            print('! ERROR: Couldnt create new simulation directory ' +
                  path_newsim + ' !!')
            return False

        if mkdir(path_newsim_src) == False and OVERWRITE == False:
            print('! ERROR: Couldnt create new simulation src directory ' +
                  path_newsim_src + ' !!')
            return False

        if mkdir(path_newsim_data) == False and OVERWRITE == False:
            print('! ERROR: Couldnt create new simulation data directory ' +
                  path_newsim_data + ' !!')
            return False
        if link_data:
            symlink(path_newsim_data, path_newsim_data_link)

        # copy files
        files_to_be_copied = []
        for f in self.components + optionals:
            f_path = abspath(join(self.path, f))
            copy_to = abspath(join(path_newsim, f))
            if f_path == copy_to:
                print('!! ERROR: file path f_path equal to destination ' +
                      'copy_to. Debug this line manually!')
                debug_breakpoint()
            copyfile(f_path, copy_to)

        files_to_be_copied = []
        for f in self.start_components + start_optionals:
            f_path = abspath(join(self.datadir, f))
            copy_to = abspath(join(path_newsim_data, f))
            if f_path == copy_to:
                print('!! ERROR: file path f_path equal to destination ' +
                      'copy_to. Debug this line manually!')
                debug_breakpoint()
            copyfile(f_path, copy_to)

        # Organizes any personalized initial conditions
        if has_initial_condition_dir:
            if mkdir(path_newsim_initcond) == False and OVERWRITE == False:
                print(
                    '! ERROR: Couldnt create new simulation initial_condition'
                    + ' directory ' + path_newsim_initcond + ' !!')
                return False

            for f in listdir(path_initial_condition):
                f_path = abspath(join(path_initial_condition, f))
                copy_to = abspath(join(path_newsim_initcond, f))

                if f_path == copy_to:
                    print('!! ERROR: file path f_path equal to destination ' +
                          'copy_to. Debug this line manually!')
                    debug_breakpoint()
                copyfile(f_path, copy_to)

        # modify name in submit script files
        if rename_submit_script != False:
            if type(rename_submit_script) == type('STRING'):
                rename_in_submit_script(new_name=rename_submit_script,
                                        sim=get_sim(path_newsim))
            else:
                print('!! ERROR: Could not understand rename_submit_script=' +
                      str(rename_submit_script))

        # done
        return get_sim(path_newsim)
Ejemplo n.º 4
0
def get_value_from_file(
    filename,
    quantity,
    change_quantity_to=None,
    sim=False,
    filepath=False,
    DEBUG=False,
    silent=False,
):
    """Use to read in a quantity from
        - *.in
        - *.local
        - submit*, i.e. submit.sh, submit.csh, files, only works if computer is readily specified in pc.io.get_systemid

    Please add further functionallity by yourself!

    Args:
        filename:   can be "run.in", "start.in", "cparam.local", path to that file is extraced from filepath or sim object
        quantity:   variable to read in from file
        sim:        put simulation object here, file will be found by filename automatically
        filepath:   normally not needed, specify here where to find the file with filename, can be a list of paths if unshure
        DEBUG:      make dry run, tell me what you would do but dont change anything!
        silent:     suppress certain output by setting True

    Return:
        Returns None if not successful
    """

    import os
    import numpy as np
    from os.path import join, abspath, exists, split, isfile
    from pencil import get_sim
    from pencil.math import is_number, is_float, is_int
    from pencil.io import timestamp, debug_breakpoint, mkdir
    import re
    import copy

    def string_to_tuple(s):
        q = s.split(",")

        if is_number(q[0]):
            q = np.array([float(t) for t in q])
            q_type = "TUPLE_FLOAT"
            return q, q_type

        if q[0] == "T" or q[0] == "F":
            q = np.array([bool(t == "T") for t in q])
            q_type = "TUPLE_BOOL"
            return q, q_type

        if type(q[0]) == type("string"):
            q = [t.replace('"', "").replace("'", "") for t in q]
            q_type = "TUPLE_STRING"
            return q, q_type

        print("! ERROR: Could not parse string " + s + " into a tuple!")
        print(
            "! DEBUG_BREAKPOINT AKTIVATED - check out the following variables: string s, tuple q, first entry in tuple q[0]"
        )
        debug_breakpoint()
        return None, None

    def tuple_to_string(t, q_type):
        return ",".join([str(a) for a in t])

    ######## prepare filename and quantity
    filename = filename.strip()  # get rid of whitespaces
    quantity = quantity.strip()
    q_type = False  # q_type will store the type of the quantity value once found and identified

    split_filename = split(filename)
    if sim == False and split_filename[0] != "" and filepath == False:
        filepath = split_filename[0]
        filename = split_filename[1]

    ######## find correct file
    # prepare search_path list to search filename in
    if filepath == False:
        if sim == False:
            sim = get_sim()
        else:
            filepath = sim.path
        search_paths = [
            sim.path,
            join(sim.path, "src"),
        ]  # add other search paths here!!

    elif type(filepath) == type("string"):
        if filepath.endswith(filename):
            filepath = filepath[:-len(
                filename
            )]  # clean filepath if filename occures to be in there at the end
        search_paths = [abspath(filepath.strip())]  # correct path format

    elif type(filepath) == type(["list"]):
        search_paths = filepath

    else:
        print("! ERROR: Filename " + str(filename) +
              " could not be interprated or found!")
        return None

    absolute_filepath = None
    for search_path in search_paths:
        tmp_path = join(search_path, filename)
        if os.path.isfile(tmp_path):
            absolute_filepath = tmp_path
            break

    # Traps the case of not being able to find the file
    if absolute_filepath is None:
        if DEBUG:
            print("~ DEBUG: File {0} not found in {1}!".format(
                filename, search_paths))
        return None

    ######## open file
    # now having absolute filepath to file, lets check that file and find quantity inside!
    if DEBUG:
        print("~ DEBUG: Found file {0} in {1}".format(filename, filepath))

    with open(absolute_filepath, "r") as f:
        data_raw = f.readlines()

    ######## find line in file which quantity in
    line_matches = []
    # scan through file for differently for different files
    if filename.endswith(
            ".in") or "cparam.local" or "Makefile.local" in filename:
        FILE_IS = "IN_LOCAL"
        SYM_COMMENT = "!"
        SYM_ASSIGN = "="
        SYM_SEPARATOR = ","

        for ii, line in enumerate(data_raw):
            if line.strip().startswith("&"):
                continue  # filter out lines with &something, e.g. &density_run_pars
            quantity_match_tmp = re.search(
                "[^0-9a-zA-Z_]*{0}[^0-9a-zA-Z_]".format(quantity),
                line.split(SYM_COMMENT)[0],
            )
            # Check if this substring occurs as a string.
            if quantity_match_tmp:
                quantity_match = quantity_match_tmp
                if (str.count(line[0:quantity_match.start()], "'") % 2 == 0
                        and str.count(line[0:quantity_match.start()], '"') % 2
                        == 0):
                    if ("run" in filename or "start" in filename
                            or ".local" in filename or "print" in filename):
                        if ("=" in quantity_match_tmp.
                                string[quantity_match_tmp.start() +
                                       2:quantity_match_tmp.end()]):
                            if line_matches:
                                line_matches[0] = ii
                            else:
                                line_matches.append(ii)
                        quantity_match = quantity_match_tmp

    elif filename.startswith("submit") and filename.split(".")[-1] in [
            "csh", "sh"
    ]:
        FILE_IS = "SUBMIT"
        SYM_COMMENT = False
        SYM_ASSIGN = "="
        SYM_SEPARATOR = ","

        for ii, line in enumerate(data_raw):
            if line.replace(" ", "").startswith("#@") and quantity in line:
                quantity_match_tmp = re.search(
                    "[^0-9a-zA-Z_]*{0}[^0-9a-zA-Z_]".format(quantity),
                    line.split(SYM_COMMENT)[0],
                )
                if quantity_match_tmp:
                    quantity_match = quantity_match_tmp
                    if line_matches:
                        line_matches[0] = ii
                    else:
                        line_matches.append(ii)
    else:
        print(
            "! ERROR: Filename unknown! No parsing possible! Please enhance this function to work with "
            + filename)

    if len(line_matches) > 1:
        print('! ERROR: Found more than one line with keyword "' + quantity +
              '" inside!')
        return None
    if len(line_matches) == 0:
        if silent == False:
            print('! ERROR: Found no line with keyword "' + quantity +
                  '" inside ' + join(filepath, filename) + "!")
        return None

    filename = os.path.basename(filename)

    ######## get line with quantity inside
    line = data_raw[line_matches[0]]
    ######## do separation of quantity from rest of line, i.e. get rid of comments and other quantities defined in this line
    comment = ""
    if SYM_COMMENT:
        tmp = line.partition(SYM_COMMENT)  # strip away comment
        line = tmp[0]
        if tmp[-1] != "":
            comment = SYM_COMMENT + tmp[-1]  # and store for later

    #    line = line.replace(' ','').replace('\n', '')                               # do cleanup in this line

    # Find the position where the quantity is stored.
    pos_equal_sign_left = quantity_match.end() + str.find(
        line[quantity_match.end() - 1:], "=")
    #    pos_equal_sign_right = pos_equal_sign_left + str.find(line[pos_equal_sign_left:], ', *[0-9a-zA-Z][0-9a-zA-Z]* *= *[0-9a-zA-Z][0-9a-zA-Z]*')
    pos_equal_sign_right = pos_equal_sign_left + str.find(
        line[pos_equal_sign_left:], "=")
    if pos_equal_sign_right < pos_equal_sign_left:
        pos_equal_sign_right = -1
        pos_right_comma = -1
    else:
        pos_right_comma = str.rfind(line[:pos_equal_sign_right], ",")

    # Change the quantity in the line string.
    q = copy.copy(line[pos_equal_sign_left:pos_right_comma])
    #    qs = line.partition(quantity+SYM_ASSIGN)
    #    if SYM_ASSIGN in qs[-1]:
    #        qs = qs[:2]+qs[-1].partition(SYM_ASSIGN)
    #        #qs = qs[:2]+qs[-1].partition(SYM_ASSIGN)
    #        qs = qs[:2]+qs[2].rpartition(',')+qs[3:]
    #
    #    qs = list(qs)
    #    q = qs[2]

    while q.endswith("\t"):
        q = q[:-1]
        comment = "\t" + comment  # take care of trailing tabulator
    while q.endswith(","):
        q = q[:-1]  # remove trailing ,

    ######## do a cleanup of quantity value q and convert into string, float, int or array, also remember data type of q
    if q.startswith("'") and q.endswith(
            "'"):  # quantity q is string in form of 'STRING'
        q = q[1:-1]
        q_type = "STRING"

    elif q.startswith('"') and q.endswith(
            '"'):  # quantity q is string in form of "STRING"
        q = q[1:-1]
        q_type = "STRING"

    elif not is_number(
            q[0]):  # quantity q is string in form of not beeing a number
        q = q.strip().replace('"', "").replace("'", "")
        q_type = "STRING"

    try:
        float(q)
        q_type = "FLOAT"
        if is_int(q):
            q = int(q)
            q_type = "INT"
    except:
        if type(q) == type("string") and "," in q:
            q, q_type = string_to_tuple(q)  # q is a TULPE_something
            print("q = {0}, q_type = {1}".format(q, q_type))

        if type(q) == type("string") and q in ["F", "f"]:  # q is BOOL
            q = False
            q_type = "BOOL"

        if type(q) == type("string") and q in ["T", "t"]:
            q = True
            q_type = "BOOL"

        if type(q) == type("string"):
            if is_number(q[0]):
                q_type = "STRING"

    if q_type == False:  # catch if type of q was not recognized
        print(
            "! ERROR: Couldnt identify the data type of the quantity value: " +
            str(q))
        DEBUG = True
        debug_breakpoint()
    elif DEBUG:
        print("~ DEBUG: q_type = " + q_type)
    if q_type == "FLOAT":
        q = float(q)
    elif q_type == "INT":
        q = int(q)

    ######## if value of quantity has to be changed do:
    if change_quantity_to != None:

        ####### prepare change_quantity_to for string injection
        if q_type == "STRING":
            if not FILE_IS == "SUBMIT":
                if type(change_quantity_to) == list:
                    tmp = ""
                    for a in change_quantity_to:
                        tmp += "'" + a + "',"
                    change_quantity_to = tmp[:-1]
                elif type(change_quantity_to) == int:
                    change_quantity_to = str(change_quantity_to)
                else:
                    change_quantity_to = "'" + change_quantity_to + "'"

        elif q_type == "BOOL":
            change_quantity_to = bool(change_quantity_to in ["T", "t", True])
            if change_quantity_to == True:
                change_quantity_to = "T"
            elif change_quantity_to == False:
                change_quantity_to = "F"
            else:
                print("! ERROR: There is something deeply wrong here!" +
                      " change_quantity_to should be bool...")
                debug_breakpoint()
                return None

        elif q_type == "FLOAT":
            if type(change_quantity_to) == str:
                change_quantity_to = float(change_quantity_to)
            change_quantity_to = "%e" % change_quantity_to

        elif q_type == "INT":
            if type(change_quantity_to) == str:
                change_quantity_to = int(change_quantity_to)
            change_quantity_to = "%i" % change_quantity_to

        elif q_type.startswith("TUPLE"):
            if q_type.endswith("BOOL"):
                if type(change_quantity_to) == type(
                    ["list", "of", "bool", "or", "strings"]):
                    for ii, val in enumerate(change_quantity_to):
                        if val in ["T", "t", True]:
                            change_quantity_to[ii] = "T"
                        elif val in ["F", "f", False]:
                            change_quantity_to[ii] = "F"
                        else:
                            print(
                                "! ERROR: There is something deeply wrong here! change_quantity_to["
                                + str(ii) +
                                "] should be bool or string representation, but it is "
                                + str(change_quantity_to[ii]))
                            debug_breakpoint()
                            return None
                change_quantity_to = ",".join(
                    [str(t) for t in change_quantity_to])
            if q_type.endswith("FLOAT"):
                change_quantity_to = str(list(change_quantity_to))[1:-1]
            if q_type.endswith("STRING"):
                change_quantity_to = str(list(change_quantity_to))[1:-1]

        if DEBUG:
            print("~ DEBUG: Would change quantity " + quantity + " from " +
                  str(q) + " to " + str(change_quantity_to))
        q = str(change_quantity_to)

        ######## further formatting
        new_line = (line[:pos_equal_sign_left] + q + line[pos_right_comma:] +
                    "\t" + comment
                    )  # create new line and add comment stripped away before
        #        new_line = ''.join(qs).replace(SYM_SEPARATOR, SYM_SEPARATOR+' ')+'\t'+comment    # create new line and add comment stripped away before
        new_line = (new_line.rstrip()
                    )  # clean empty spaces on the right, no one needs that...
        if new_line[-1] != "\n":
            new_line = new_line + "\n"
        if FILE_IS == "SUBMIT":
            new_line = new_line.replace("#@", "#@ ").replace(
                "=", " = ")  # optimizing format of submit script

        if DEBUG:
            print("~ DEBUG: old line: " + str(data_raw[line_matches[0]])[:-1])
            print("~ DEBUG: new line: " + str(new_line)[:-1])

        if not DEBUG:
            ####### do backup of file before changing it
            if sim:
                from shutil import copyfile

                target = join(sim.path, "pc/backups/" + timestamp())
                mkdir(target)
                target = join(target, filename)
                copyfile(absolute_filepath, target)

            # replace line in raw data
            data_raw[line_matches[0]] = new_line

            # save on drive
            f.close()
            with open(absolute_filepath, "w") as f:
                for l in data_raw:
                    f.write(l)

    ######## DONE!
    return q
Ejemplo n.º 5
0
def gas_alpha(sim=False, t_range=[0, -1], OVERWRITE=False):
    """ This calculates the global alpha-value from ts object via
    		alphah=(2./3.)*(ts3.uxuym)/(ts3.rhom*ts3.csm**2)
        for the lastNentries of the time series.
        Input:
            t_range         use this time range of the timeseries
            OVERWRITE       overwrite alpha file in sim.pc_datadir/alpha_<lastNentries>

        return:
            alpha dictionary
    """

    from pencil import get_sim
    from pencil.sim import sim
    from pencil import io
    from os.path import exists, join
    import numpy as np

    def empirical_std_deviation(x):
        """
        (Geschaetzte) Streuung der Messwerte x um den (unbekannten) wahren Wert
        (estimated) stray of the measurments x around the (unknown) true value

        s(x) = SQRT( 1./(M-1) * SUM( (x-<x>)**2 ) )"""
        import numpy as np
        x = np.array(x)
        M = np.size(x)
        xm = np.mean(x)

        #return np.sqrt(1./(M-1.)*np.sum((x-xm)**2))
        return np.sqrt(M / (M - 1.) * ((1. / M * np.sum(x**2)) - xm**2))

    def std_deviation_of_mean_value(x):
        """
        Messunsicherheit des Mittelwertes <x>
        Empirical standarddeviation of the arithmetical mean value

        s(<x>) = s(x)/SQRT( M ) = SQRT( 1./(M-1) * SUM( (x-<x>)**2 ) ) / SQRT( M )"""

        import numpy as np
        x = np.array(x)
        M = np.size(x)

        if M == 1: return 0

        return empirical_std_deviation(x) / np.sqrt(M)

    if type(sim) == sim.__Simulation__:
        SIM = sim
    else:
        SIM = get_sim()

    filename = 'alpha_' + str(t_range[0]) + '_' + str(t_range[1])

    ## skip if nothing is new
    if not OVERWRITE and io.exists(name=filename, sim=SIM):
        print('~ Alpha for "' + SIM.name + '" already exists. Loading file...')
        return io.load(name=filename, sim=SIM)

    print('~ Calculating alpha for "' + SIM.name + '" in "' + SIM.path + '"')

    ## import time series object
    try:
        print('~ reading time series..')
        ts = SIM.get_ts()
    except:
        print('! ERROR: Couldnt read time series!')
        return False

    ## correct if csm quantity is not correctly exported
    try:
        csm = ts.csm
        if csm[0] == 0: csm = 1.
    except:
        print(
            '? WARNING: Couldnt find >csm< in time series, set it to csm = 1. This may be incorrect!'
        )
        csm = 1.

    if t_range[1] == -1: t_range[1] = ts.t[-1]
    id_min = np.argmin(np.abs(ts.t - t_range[0]))
    id_max = np.argmin(np.abs(ts.t - t_range[1]))

    alpha_dict = {}

    ## calculate alpha
    print('~ calculating alpha, its mean value and standard deviation for ' +
          str(t_range))
    alpha_dict['alpha'] = -(2. / 3.) * (ts.uxuym) / (ts.rhom * csm**2)
    alpha_dict['alpha_mean'] = np.mean(alpha_dict['alpha'][id_min:id_max])
    alpha_dict['alpha_stddev'] = std_deviation_of_mean_value(
        alpha_dict['alpha'][id_min:id_max])
    print('~ alpha_mean = ' + str(alpha_dict['alpha_mean']) +
          ' and alpha_stddev = ' + str(alpha_dict['alpha_stddev']))

    ## calculate alpha minus mean_flux
    print(
        '~ calculating alpha minus mean_flux (alpha_mmf), its mean value and standard deviation'
    )
    alpha_dict['alpha_mmf'] = -(2. / 3.) * (ts.uxuym - ts.uxm * ts.uym) / (
        ts.rhom * csm**2)
    alpha_dict['alpha_mmf_mean'] = np.mean(
        alpha_dict['alpha_mmf'][id_min:id_max])
    alpha_dict['alpha_mmf_stddev'] = std_deviation_of_mean_value(
        alpha_dict['alpha_mmf'][id_min:id_max])
    print('~ alpha_mmf_mean = ' + str(alpha_dict['alpha_mmf_mean']) +
          ' and alpha_mmf_stddev = ' + str(alpha_dict['alpha_mmf_stddev']))

    import math
    for v in alpha_dict.values():
        if type(v) == type(1.1) and math.isnan(v):
            io.debug_breakpoint()

    ## save alpha in plk
    print('~ saving alpha values in ' + SIM.pc_datadir + '/' + filename)
    io.save(alpha_dict, filename, folder=SIM.pc_datadir)

    return alpha_dict
Ejemplo n.º 6
0
def preparePlot(x_datasets,
                y_datasets,
                x_errors=False,
                y_errors=False,
                xmin=False,
                xmax=False,
                ymin=False,
                ymax=False,
                xlog=False,
                ylog=False,
                fig=False,
                ax=False,
                PROFILE=False):

    import numpy as np
    import matplotlib
    import matplotlib.pyplot as plt
    plt.ioff()
    from pencil import io
    from pencil.visu.internal import calc_lims
    from pencil.visu.internal import MinorSymLogLocator

    ## ESTIMATE LIMITS
    if np.any(x_errors) and np.shape(x_errors) == np.shape(x_datasets):
        xlim_min = calc_lims(val_min=np.min([
            np.min(array)
            for array in np.array(x_datasets) - np.array(x_errors)
        ]))
        xlim_max = calc_lims(val_max=np.max([
            np.max(array)
            for array in np.array(x_datasets) + np.array(x_errors)
        ]))
    else:
        xlim_min = calc_lims(
            val_min=np.min([np.min(array) for array in x_datasets]))
        xlim_max = calc_lims(
            val_max=np.max([np.max(array) for array in x_datasets]))

    if np.any(y_errors) and np.shape(y_errors) == np.shape(y_datasets):
        ylim_min = calc_lims(val_min=np.min([
            np.min(array)
            for array in np.array(y_datasets) - np.array(y_errors)
        ]))
        ylim_max = calc_lims(val_max=np.max([
            np.max(array)
            for array in np.array(y_datasets) + np.array(y_errors)
        ]))
    else:
        ylim_min = calc_lims(
            val_min=np.min([np.min(array) for array in y_datasets]))
        ylim_max = calc_lims(
            val_max=np.max([np.max(array) for array in y_datasets]))

    if ax:
        xlim_max = np.max([np.max(ax.get_xlim()), xlim_max])
        xlim_min = np.min([np.min(ax.get_xlim()), xlim_min])
        ylim_max = np.max([np.max(ax.get_ylim()), ylim_max])
        ylim_min = np.min([np.min(ax.get_ylim()), ylim_min])

    #pencil.io.debug_breakpoint()

    if not xmin: xmin = xlim_min
    if not xmax: xmax = xlim_max
    if not ymin: ymin = ylim_min
    if not ymax: ymax = ylim_max

    ## IF LOG: ENSHURE YOU ARE COVERING AT LEAST ONE ORDER OF MAGNITUDE
    #pencil.io.debug_breakpoint()
    while ylog and ymin > 0 and np.abs(
            np.int(np.floor(np.log10(ymin))) - np.int(np.floor(np.log10(ymax)))
    ) < 1. and ymax > ymin and ymax * xmax != 0:
        ymin = ymin - ymin * 0.01
        ymax = ymax + ymax * 0.01

    ## SWAP AXIS DIRECTION IF PURE NEGATIVE VALUE PLOT
    if xmin < 0 and xmax < 0 and xmin < xmax:
        tmp = xmax
        xmax = xmin
        xmin = tmp
    if ymin < 0 and ymax < 0 and ymin < ymax:
        tmp = ymax
        ymax = ymin
        ymin = tmp

    ## CREATE FIG AND AX IF NEEDED
    if (not fig) and (
            not ax):  # if no fig/axis object is handed over, produce your own
        fig = plt.figure(figsize=PROFILE['fig_size'],
                         facecolor=PROFILE['fig_background']
                         )  # produce new figure if no axis is handed over
        ## SHOW PLOT?
        if matplotlib.get_backend().startswith('Tk'):
            print('## Showing plot..')
            plt.ion()
            plt.show()
        # Remove the plot frame lines. They are unnecessary chartjunk.
        ax = fig.add_subplot(111)

        ## prepare plot:
        ## remove axes lines if demanded
        ax.spines["top"].set_visible(PROFILE['ax_lines_top'])
        ax.spines["bottom"].set_visible(PROFILE['ax_lines_bottom'])
        ax.spines["right"].set_visible(PROFILE['ax_lines_right'])
        ax.spines["left"].set_visible(PROFILE['ax_lines_left'])

        if PROFILE['ax_ticks_top']: ax.get_xaxis().tick_top()
        if PROFILE['ax_ticks_bottom']: ax.get_xaxis().tick_bottom()
        if PROFILE['ax_ticks_left']: ax.get_yaxis().tick_left()
        if PROFILE['ax_ticks_right']: ax.get_yaxis().tick_right()

        ## set axes scales
        if xlog and ylog:  # Set x- and y-axis to log
            ax.set_xscale("log")
            ax.set_yscale("symlog",
                          linthreshy=np.min([
                              ymin,
                              np.abs(ylim_min),
                              np.abs(ylim_max),
                              np.min(np.abs(y_datasets))
                          ]) / 10.)
        elif (not xlog) and ylog:
            ax.set_yscale("symlog",
                          linthreshy=np.min([
                              xmni,
                              np.abs(ylim_min),
                              np.abs(ylim_max),
                              np.min(np.abs(y_datasets))
                          ]) / 10.)
        elif xlog and (not ylog):
            ax.set_xscale("log")
        else:
            print('!! ERROR: only log setting not defined so far! xlog=' +
                  str(xlog) + ' and ylog=' +
                  str(ylog))  # nothing else implemented yet!

        ## set fontsize for ticks
        plt.setp(ax.get_xticklabels(), fontsize=PROFILE['ax_tick_fontsize'])
        plt.setp(ax.get_yticklabels(), fontsize=PROFILE['ax_tick_fontsize'])

        ## set ticks for symlog
        if ylog:
            yaxis = fig.gca().yaxis
            yaxis.set_minor_locator(MinorSymLogLocator(1e-1))

    ## ESTABLISH CALCULATED LIMITS FOR PLOT
    #pencil.io.debug_breakpoint()
    ax.set_xlim(left=xmin)
    ax.set_xlim(right=xmax)
    ax.set_ylim(bottom=ymin)
    ax.set_ylim(top=ymax)

    if ax == False:
        print(
            "!! ERROR: Created axis object is False! Starting debug_breakpoint"
        )
        io.debug_breakpoint()

    return (fig, ax)