def get_cen_latlon(curr_fdate, find_nearest_fdate=False):
    """
    Using the TC vitals path for the storm, determine the center lat and lon
    If find_nearest_fdate is True and the `curr_fdate' is not in the vitals,
    find the nearest date
    :returns: 2-tuple consisting of center lat and lon
    """
    args = dict(fdate=curr_fdate, stormId=storm_id)
    path = tc_vitals_path.format(**args)
    trk = trkutils.get_track_data(path)
    # map forecast dates to pycane.postproc.tracker.objects.TrackerEntry objects
    trk_fdates = trk.fcst_date_dict

    if curr_fdate in trk_fdates:
        nearest = curr_fdate
    elif find_nearest_fdate:
        nearest = min(trk_fdates.keys(), key=lambda d: abs(d - curr_fdate))
        log.info("Current forecast date {0} is not in tc vitals. Using "
                 " nearest date: {1}".format(curr_fdate, nearest))
    else:
        raise Exception(
            "Current forecast date {0} is not in tc vitals".format(curr_fdate))
    cenlat = trk_fdates[nearest].lat
    cenlon = trk_fdates[nearest].lon

    return (cenlat, cenlon)
示例#2
0
    interval = tdelta(hours=1)

    # Set the "initialization" dates, which will be used to calculate the
    # absolute dates.
    # get_geos5trk_track_data() will automatically set start_date to the first
    # date in the 'atcf'
    #paths[0].start_date = ...
    #paths[1].start_date = dtime(year=2006, month=9, day=4, hour=0) # set for gfdltrk too
    # how frequently to mark the line showing the track
    TIME_MARKER_INTERVAL = 6

    log.basicConfig(level=log.DEBUG)

    for i, label in enumerate(names):
        log.info("processing %s @ %s" % (names[i], paths[i]))
        forecast_track = trkutils.get_track_data(paths[i])
        times = []
        datedict = forecast_track.fcst_date_dict
        trkdata_filtered = []
        currdate = copy.copy(start_date)
        while currdate < end_date:
            trkdata = datedict[currdate]
            trkdata_filtered.append(trkdata)
            times.append(mpl_dates.date2num(currdate))
            currdate += interval
        forecast_track.tracker_entries = trkdata_filtered
        #day_idc = [ idx for idx,val in enumerate(fhrs) if val%TIME_MARKER_INTERVAL == 0 ]
        plt.figure("tracks")
        #(lats,lons) = [(trkentry.lat,trkentry.lon) for trkentry in forecast_track.tracker_entries]
        lats = [trkentry.lat for trkentry in forecast_track.tracker_entries]
        lons = [trkentry.lon for trkentry in forecast_track.tracker_entries]
示例#3
0
        #for ctr,fmin in enumerate(range(FIRST_FHR, duration_minutes + 1, interval_mins)):
        ctr = first_fhr
        for fmin in range(first_fhr * 60, duration_minutes + 1, interval_mins):
            #fil.write("{0:04d} {1:05d}\n".format(ctr+1, fmin))
            fil.write("{0:04d} {1:05d}\n".format(ctr,
                                                 fmin))  # without enumerate
            ctr += int(input_frequency.total_seconds() / 3600)


def run_tracker():
    open("fort.14", "w").close()  # TODO : need this for cyclogenesis


if __name__ == "__main__":
    # Build ForecastTrack object and create fort.12 (tcvitals first guess) file
    args = dict(fdate=start_date, stormId=storm_id)
    path = tc_vitals_path.format(**args)
    trk = trkutils.get_track_data(path)
    trk.originating_center = 'AOML'
    trk.storm_number = storm_number
    trk.basin = storm_basin
    trk.dump_gfdltrk_fort12(
        outfile="fort.12"
    )  # TODO : GENERALIZE this function @ pycane - it's just atcf i think
    # TODO ? pass in fhr offset? (first_fhr)
    # Create NL
    # TODO - just use premade one for now
    create_links_and_index_files()
    create_fort15()
    run_tracker()
    def read_config(self, config_file):
        '''
        Read the given `config_file' and set member variables accordingly
        '''
        
        BASIC_CONFIG_SECTION = 'basic_settings'
        DATA_CONFIG_SECTION = 'data_settings'
        PLOT_CONFIG_SECTION = 'plot_settings'
        MAP_CONFIG_SECTION = 'map_settings'
        STORM_CONFIG_SECTION = 'storm_settings'

        # read config file - if you get a TypeError you need a newer
        # version of Pyhon or a third-party ordered dictionary. The
        # OrderedDict is needed since the items() must be kept in order 
        config = ConfigParser.ConfigParser(dict_type=OrderedDict)
        if not os.path.exists(config_file):
            logging.fatal("Specified/Default config file %s does not exist" %config_file)
            raise Exception("Specified/Default config file %s does not exist" 
                            %config_file)
        config.readfp(open(config_file))

        # Set dataset-specific information
        datasets = [ v for (k,v) in  config.items('dataset_names') ]
        data_paths = [ v for (k,v) in config.items('data_paths') ]
        plot_colors = [ v.replace("'","").replace('"','') for (k,v) in config.items('plot_colors') ]
        line_styles  = [ v for (k,v) in config.items('line_styles') ]
        line_widths  = [ float(v) for (k,v) in config.items('line_widths') ]
        assert len(datasets) > 0
        assert len(datasets) == len(data_paths) 
        assert len(plot_colors) == len(datasets) 
        assert len(line_styles) == len(datasets)
        assert len(line_widths) == len(datasets)
        for path in data_paths: 
            if not os.path.exists(path):
                self.log.error("Specified experiment path does not exist: {}"
                          .format(path))
                sys.exit(1)

        # Set basic configuration settings
        self.log_level = config.get(BASIC_CONFIG_SECTION, 'log_level')
        self.value_source = config.get(BASIC_CONFIG_SECTION, 'value_source')
        startDate = config.get(BASIC_CONFIG_SECTION, 'start_date')

        try:
            startDate = startDate.replace("'", "").replace('"', '')
            os.environ['TZ'] = 'UTC'
            tzset()
            self.start_date = mktime(strptime(startDate, '%m-%d-%Y %H:%M'))
        except ValueError:
            print 'Given start date', startDate, 'does not match expected format MM-DD-YYYY hh:mm'
            sys.exit(1)
        endDate = config.get(BASIC_CONFIG_SECTION, 'end_date')
        try:
            endDate = endDate.replace("'", "").replace('"', '')
            os.environ['TZ'] = 'UTC'
            tzset()
            self.end_date = mktime( strptime(endDate, '%m-%d-%Y %H:%M') )
        except: # ValueError
            print 'Given end date', endDate, 'does not match expected format MM-DD-YYYY hh:mm'
            sys.exit(1)
        self.cycle_frequency = config.getfloat(BASIC_CONFIG_SECTION, 'cycle_frequency') * 3600.0
        self.forecast_frequency = config.getfloat(BASIC_CONFIG_SECTION, 'forecast_frequency') * 3600.0
        self.forecast_duration = config.getfloat(BASIC_CONFIG_SECTION, 'forecast_duration') * 3600.0
        self.history_interval = config.getfloat(BASIC_CONFIG_SECTION, 'history_interval') * 3600.0
        self.tracker = config.get(BASIC_CONFIG_SECTION, 'tracker')

        # storm settings
        self.storm_id = config.get(STORM_CONFIG_SECTION, 'storm_id')
        try:
            self.best_track_db_path = config.get(STORM_CONFIG_SECTION, "best_track_db_path")
            self.log.warn("Best_track was set. Will use this for truth_track. "
                     "Hence the 'truth_tracker_data_file' and 'nature_run_tracker'"
                     " options will be ignored".format())
            # UPDATE : For NHC b-deck best tracks
            # TODO : Still want to support different kinds. I'm just hardcoding for B-deck here
            startYear = conversions.epoch_to_yyyymmddHHMM(self.start_date)[0:4]
            self.best_track_db_path = self.best_track_db_path.replace("{aY}", startYear)
            self.truth_track = trkutils.get_track_data(self.best_track_db_path, 
                                                       self.storm_id, 
                                                       self.start_date)
            """
            # TODO : this cannot be instantiated here since it depends on the cycle date
            #        and storm name
            ymdh = conversions.epoch_to_yyyymmddHHMM(self.start_date)[:-2]
            self.best_track_db_path = self.best_track_db_path.replace("{aYMDH}", ymdh)
            globs = glob.glob(self.best_track_db_path)
            print self.best_track_db_path
            assert len(globs) == 1
            self.best_track_db_path = globs[0]
            self.truth_track = trkutils.get_track_data(self.best_track_db_path)
            """
        except ConfigParser.NoOptionError:
            self.best_track_db_path = None
        try:
            # TODO : This actually isn't being used, it will always try to guess it
            #        i.e. call  trkutils.get_track_data()
            self.best_track_db_format = config.get(STORM_CONFIG_SECTION, 'best_track_db_format')
        except ConfigParser.NoOptionError:
            self.best_track_db_format = '_guess_it'

        # data settings
        self.average_type = config.get(DATA_CONFIG_SECTION, "average_type")
        if not self.average_type in ('mean', 'rmse'):
            raise Exception("Average type should be 'mean' or 'rmse'")
        self.difference_type = config.get(DATA_CONFIG_SECTION, "difference_type")
        if not self.difference_type in ("absolute", "relative"):
            raise Exception("Difference type should be 'absolute' or 'relative'")
        self.plot_flagged_tracker_entries = config.getboolean(DATA_CONFIG_SECTION, 'plot_flagged_tracker_entries')
        self.annotate_unflagged_entries = config.getboolean(DATA_CONFIG_SECTION, 'annotate_unflagged_entries')
        self.ignore_land_points = config.getboolean(DATA_CONFIG_SECTION, "ignore_land_points")
        # TODO : Unify the best track and truth track stuff. Leave this one as a
        #       deprecated option
        if self.best_track_db_path is None:
            truthTrackFile = config.get(DATA_CONFIG_SECTION, 'truth_tracker_data_file')
            try:
                self.nature_run_tracker = config.get(DATA_CONFIG_SECTION, 'nature_run_tracker')
            except ConfigParser.NoOptionError:
                self.nature_run_tracker = '_guess_it'
            #import pdb ; pdb.set_trace()
            if self.nature_run_tracker == 'diapost':
                self.truth_track = trkutils.get_diapost_track_data(truthTrackFile)
            elif self.nature_run_tracker == 'nolan':
                self.truth_track = trkutils.get_nolan_track_data(truthTrackFile)
            elif self.nature_run_tracker == 'gfdl':
                self.truth_track = trkutils.get_gfdltrk_track_data(truthTrackFile)
            else:
                try:
                    self.truth_track = trkutils.get_track_data(truthTrackFile)
                except:
                    sys.stderr.writeln(
                        ("Unable to determine ATCF type for best track/truth. Try"
                         " to manually pass in via `nature_run_tracker'. Possible"
                         " values are 'nolan', 'gfdl', and 'diapost'."))
                    sys.exit(1)
            
        # plot settings
        self.time_axis_parameter = config.get(PLOT_CONFIG_SECTION, 'time_axis_parameter')
        self.legend_position = config.get(PLOT_CONFIG_SECTION, 'legend_position')
        self.legend_alpha = config.getfloat(PLOT_CONFIG_SECTION, 'legend_alpha')
        self.plot_nature_values = config.getboolean(PLOT_CONFIG_SECTION, 'plot_nature_values')
        # since hex codes use hash symbol, they need to be quoted in config file
        self.nature_line_color = config.get(PLOT_CONFIG_SECTION, 'nature_line_color').replace("'", "")
        self.nature_line_style = config.get(PLOT_CONFIG_SECTION, 'nature_line_style').replace("'", "")
        self.hline_at_zero = config.getboolean(PLOT_CONFIG_SECTION, 'add_hline_at_zero')
        # TODO : make this optional, since it will be set in stylesheets anyway
        self.line_width = config.getfloat(PLOT_CONFIG_SECTION, 'line_width')
        
        # Set Styles. Specifically, set self.style_paths which will be a list
        # containing the paths to the styles to use. For now, this consists
        # of the style specified in the file <stylesheets_path>/general/<view_target>.mplstyle
        # and any extra style specified by parameter <stylesheets>. The latter having 
        # higher priority. Eventually, method-specific styles will be supported, maybe.
        self.view_target = self._getopt(config, PLOT_CONFIG_SECTION,
                                        'view_target', 'desktop')
        self.stylesheets_path = self._getopt(config, PLOT_CONFIG_SECTION, 
                                             'stylesheets_path',
                                             './conf/styles')
        generalStyle = os.path.join(self.stylesheets_path, 'general', 
                                    self.view_target)                                             
        # we're going to pass in an exact path, so the extension is required
        generalStyle = generalStyle + '.mplstyle' 
        userStyles = self._getopt(config, PLOT_CONFIG_SECTION,
                                  'stylesheets', None)
        if userStyles is None:
            self.style_paths = [generalStyle]
        else:
            userStyles = re.split(', |  |,', userStyles)
            self.style_paths = [generalStyle].extend(userStyles)
        for i,path in enumerate(self.style_paths):
            if not os.path.exists(path):
                self.log.warn("Style sheet path {} does not exist!".format(path))
                self.style_paths.pop(i)
                #sys.exit(133)

        #self.static_y_limit_track = config.getboolean(PLOT_CONFIG_SECTION, 'static_y_limit_track')
        self.static_y_limit_mslp_value = config.getboolean(PLOT_CONFIG_SECTION, 'static_y_limit_mslp')
        self.static_y_limit_maxwind_value = config.getboolean(PLOT_CONFIG_SECTION, 'static_y_limit_maxwind')
        self.static_y_limit_track_error = config.getboolean(PLOT_CONFIG_SECTION, 'static_y_limit_track_error')
        self.static_y_limit_mslp_error = config.getboolean(PLOT_CONFIG_SECTION, 'static_y_limit_mslp_error')
        self.static_y_limit_maxwind_error = config.getboolean(PLOT_CONFIG_SECTION, 'static_y_limit_maxwind_error')

        self.y_limits_track = self.get_list(config.get(PLOT_CONFIG_SECTION, 'y_limits_track'), minValues=2, maxValues=2)
        self.y_limits_mslp = self.get_list(config.get(PLOT_CONFIG_SECTION, 'y_limits_mslp'), minValues=2, maxValues=2)
        self.y_limits_maxwind = self.get_list(config.get(PLOT_CONFIG_SECTION, 'y_limits_maxwind'), minValues=2, maxValues=2)
        self.y_limits_track_error = self.get_list(config.get(PLOT_CONFIG_SECTION, 'y_limits_track_error'), minValues=2, maxValues=2)
        self.y_limits_mslp_error = self.get_list(config.get(PLOT_CONFIG_SECTION, 'y_limits_mslp_error'), minValues=2, maxValues=2)
        self.y_limits_maxwind_error = self.get_list(config.get(PLOT_CONFIG_SECTION,
                                                               'y_limits_maxwind_error'),
                                                    minValues=2, maxValues=2)

        #
        # Process Map-related options
        #
        self.map_options = {}

        # settings that are parsed as lists
        self.map_options['padding'] = self.get_list(config.get(MAP_CONFIG_SECTION,
                                                               'padding'),
                                                    cast=float,
                                                    minValues=4, maxValues=4)
        # settings with string values
        for param in ('projection', 'resolution', 'latitude_label_mask',
                      'longitude_label_mask', 'ocean_color',
                      'lake_color', 'continents_fill_color',
                      'map_extents'):
            self.map_options[param] = config.get(MAP_CONFIG_SECTION, param)
        # populate all the boolean settings
        for param in ('draw_coastlines', 'draw_countries', 'get_extents_from_grib'):
            self.map_options[param] = config.getboolean(MAP_CONFIG_SECTION, param)
        #settings with integer values
        for param in ('latitude_line_freq', 'longitude_line_freq',
                      'track_plot_time_indicator_freq'):
            self.map_options[param] = int(config.get(MAP_CONFIG_SECTION, param))
        # TODO : Don't need
        #draw_map_boundary : Use the 'water_color'/'map_boundary_color' ;
        #lake_color and continent_color can be used instead of fill_continents

        #
        # convert input
        #
        #label masks
        for param in ('latitude_label_mask', 'longitude_label_mask'):
            # convert label masks to list, as expected by drawparallels/meridians
            self.map_options[param] = self.get_list(self.map_options[param],
                                                    cast=int,
                                                    minValues=4,
                                                    maxValues=4)
        # map extents
        self.map_options['map_extents'] = self.map_options['map_extents']\
                                          .replace("'", "").replace('"', '')
        toks = self.map_options['map_extents'].strip().split()
        self.map_options['southern_latitude'] = float(toks[0])
        self.map_options['western_longitude'] = float(toks[1])
        self.map_options['northern_latitude'] = float(toks[2])
        self.map_options['eastern_longitude'] = float(toks[3])
        # padding
        #self.map_options['padding'] = \
          #[x for x in self.map_options['padding'].strip().split(' ')]

        # validate input
        if not self.map_options['resolution'] in ('l', 'c', 'i', 'h', 'f'):
            raise Exception("Resolution in config file should be c/crude, "\
                            "l/low, i/intermediate, h/high, f/full")

        # populate list of DaffyExperimentDataset objects corresponding to the
        # datasets being plotted
        self.datasets = []
        
        for i in range(len(datasets)):
            plot_options = {}
            plot_options['tracker'] = self.tracker
            plot_options['plot_flagged_tracker_entries'] = self.plot_flagged_tracker_entries
            plot_options['line_color'] = plot_colors[i]
            plot_options['line_style'] = line_styles[i]
            plot_options['line_width'] = line_widths[i]
            plot_options['annotate_unflagged_entries'] = self.annotate_unflagged_entries
            plot_options['hline_at_zero'] = self.hline_at_zero
            plot_options['ignore_land_points'] = self.ignore_land_points 
            # Determine what system was used to run the experiment
            # and instantiate either DaffyExperimentDataset or PyHwrfExperimentDataset
            # For now, simply look for the gfdltrk product, since that should
            # probably exist for all experiments. 
            exptTypeFound = False
            try:
                #import pdb ; pdb.set_trace()
                ds = DaffyExperimentDataset(
                    name=datasets[i], path=data_paths[i], 
                    start_date=self.start_date, end_date=self.end_date, 
                    cycle_frequency=self.cycle_frequency,
                    forecast_frequency=self.forecast_frequency, 
                    forecast_duration=self.forecast_duration,
                    history_interval=self.history_interval, 
                    plot_options=plot_options, 
                    truth_track=self.truth_track)
                p = ds.products['gfdltrk_track'].get_path(cycle=self.end_date)
                exptTypeFound = True
                self.log.info("Guessing this is a DAFFY experiment based on "\
                              "existance of %s" %p)
            except (MissingProductException, AmbiguousProductException) as e:
                self.log.info("Assuming it's not a DAFFY experiment due to exc."
                         "Original exception: {0}".format(e))
                pass
            if not exptTypeFound:
                try:
                    ds = PyHwrfExperimentDataset(
                        name=datasets[i], path=data_paths[i], 
                        start_date=self.start_date, end_date=self.end_date, 
                        cycle_frequency=self.cycle_frequency,
                        forecast_frequency=self.forecast_frequency, 
                        forecast_duration=self.forecast_duration,
                        history_interval=self.history_interval, 
                        plot_options=plot_options, 
                        stormId=self.storm_id,
                        best_track_path=self.best_track_db_path,
                        truth_track=self.truth_track)
                    p = ds.products['gfdltrk_track'].\
                            get_path(cycle=self.end_date)
                    self.log.info("Guessing this is a PyHWRF experiment based "\
                                  "on existance of %s" %p)
                    exptTypeFound = True
                except (MissingProductException, AmbiguousProductException):
                    pass
            if not exptTypeFound:
                try:
                    ds = NmmbAutorunnerExperimentDataset(
                        name=datasets[i], path=data_paths[i],
                        start_date=self.start_date, end_date=self.end_date,
                        cycle_frequency=self.cycle_frequency,
                        history_interval=self.history_interval,
                        forecast_frequency=self.forecast_frequency,
                        forecast_duration=self.forecast_duration,
                        plot_options=plot_options,
                        stormId=self.storm_id,
                        truth_track=self.truth_track,
                       )
                    p = ds.products['diapost_track_domSpecific'].\
                            get_path(cycle=self.end_date, domain=2) 
                    exptTypeFound = True
                    self.log.info("Guessing this is an NMM-B autorunner"\
                                  " experiment based on existance of %s" %p)
                    # TODO: unhack this. 
                    self.log.warn("Forcing 'tracker' for this Dataset to diapost, since that is all the NMMB autorunner supports")
                    plot_options['tracker'] = 'diapost'
                except (MissingProductException, AmbiguousProductException):
                    raise Exception("{} : Unable to determine experiment type "
                                    "from the last cycle's tracker output"
                                    "check that path to experiments and that "
                                    " settings in conf/<experiment_type>.cfg "
                                    " are correct".
                                    format(datasets[i]))
                
            self.datasets.append(ds)