matplotlib example batch matplotlib diagram dump (snippet)

Python matplotlib example 'batch matplotlib diagram dump'

Modules used in program:

import matplotlib.pyplot as plt
import seaborn as sns
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
import pandas as pd

python batch matplotlib diagram dump

Python matplotlib example: batch matplotlib diagram dump

from glob import glob
import pandas as pd
import seaborn as sns
import matplotlib.pyplot as plt

sns.set_style("darkgrid")
sns.set(rc = {"figure.figsize": (20, 10)})
sns.set(rc = {"figure.titlesize": "start-large"})

filename_wildcard = '*.gz'
df = pd.concat(
        [pd.read_csv(fn, parse_dates = True, index_col = "timestamp") for fn in glob(filename_wildcard)],
        sort = True,
)
#     df = df[tags]
df.sort_index(inplace = True)

from glob import glob
import pandas as pd
import seaborn as sns
import matplotlib.pyplot as plt

sns.set_style("darkgrid")
sns.set(rc = {"figure.figsize": (20, 10)})

filename_wildcard = '*.gz'
df = pd.concat(
        [pd.read_csv(fn, parse_dates = True, index_col = "timestamp") for fn in glob(filename_wildcard)],
        sort = True,
)
df.sort_index(inplace = True)

_30_mins = 1_800
min_value_count = 1000
tag = '01_dv_01_si_daca_pv'
threshold = 2
first, last = 0, -1
sub_direction = 'diagrams'
diagram_prefix = '01'

for idx, (start, end) in enumerate(zip(range(0, len(df), _30_mins), range(_30_mins, len(df), _30_mins))):
    plt.figure()
    ax = None
    data = df[tag].iloc[start:end]
    if len(data[data > threshold]) > min_value_count:
        start_time = str(df.iloc[start:end].index[first])
        end_time = str(df.iloc[start:end].index[last])

        ax = (df[tag].iloc[start:end].plot(title =
                                           f'Figure {idx} \n Start: {start_time} \n End: {end_time}'))

        ax.title.set_size(18)
        ax.set_xlabel("Time  (1 second Samples)")
        ax.set_ylabel("DV01 Speed RPM")
        start_time_str = start_time.replace('-', '_').replace(':', '_')
        end_time_str = end_time.replace('-', '_').replace(':', '_')
        plt.savefig(f'{sub_direction}/week_{diagram_prefix}_fig_{idx}_start_{start_time_str}_end_{end_time_str}.png')

Python links

Learn Python: https://pythonbasics.org/
Python Tutorial: https://pythonprogramminglanguage.com