72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
from typing import Any, Dict
|
|
from matplotlib import pyplot as plt
|
|
from io import StringIO
|
|
import pandas as pd
|
|
from .common import common_input_types
|
|
from .util import plot_post_steps
|
|
from ..pandas_wrapper.utils import column_label_string_to_target_type
|
|
|
|
class MPLLine:
|
|
"""
|
|
MPL Line Plot:
|
|
Generates a line plot from a pandas DataFrame.
|
|
|
|
category: Plot
|
|
"""
|
|
|
|
@classmethod
|
|
def INPUT_TYPES(cls) -> Dict[str, Any]:
|
|
"""
|
|
Defines the input types for the `line_plot` function.
|
|
|
|
Returns:
|
|
Dict[str, Any]: A dictionary specifying required input types.
|
|
"""
|
|
return common_input_types()
|
|
|
|
RETURN_TYPES: tuple = ("IMAGE",)
|
|
FUNCTION: str = "line_plot"
|
|
CATEGORY: str = "Data Analysis"
|
|
|
|
def line_plot(self,
|
|
dataframe: pd.DataFrame,
|
|
x_column_name: str,
|
|
y_column_name: str,
|
|
title: str,
|
|
x_axis_label: str,
|
|
y_axis_label: str,
|
|
x_tick_as_int: bool) -> tuple:
|
|
"""
|
|
Generates a line plot from a pandas DataFrame.
|
|
|
|
Args:
|
|
dataframe (DataFrame): The DataFrame.
|
|
x_column_name (str): The column name for the x-axis.
|
|
y_column_name (str): The column name for the y-axis.
|
|
title (str): The title of the plot.
|
|
x_axis_label (str): The label for the x-axis data.
|
|
y_axis_label (str): The label for the y-axis data.
|
|
x_tick_as_int (bool): If set, use integers for x ticks. For example,
|
|
if ticks show floating point numbers for years, e.g. 2002.5,
|
|
setting this flag will show integer values instead.
|
|
Returns:
|
|
tuple: A tuple containing the image tensor representation of the plot.
|
|
"""
|
|
|
|
df = dataframe
|
|
x_column_name = column_label_string_to_target_type(df, x_column_name)
|
|
y_column_name = column_label_string_to_target_type(df, y_column_name)
|
|
|
|
# Create the plot
|
|
fig, ax = plt.subplots()
|
|
ax.plot(df[x_column_name], df[y_column_name])
|
|
|
|
return plot_post_steps(
|
|
fig,
|
|
ax,
|
|
plt,
|
|
title,
|
|
x_axis_label,
|
|
y_axis_label,
|
|
x_tick_as_int)
|