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DHGeography/ratios.py
2023-10-18 01:31:54 +03:00

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2.2 KiB
Python

import pandas as pd
import dash
from dash import dcc, html
from dash.dependencies import Input, Output
import plotly.graph_objects as go
# Read the CSV file into a Pandas DataFrame
file_path = "texts_by_period_and_location_saparated_by_periods_in_columns.csv"
df = pd.read_csv(file_path)
# Initialize the Dash app
app = dash.Dash(__name__)
# Define the columns to summarize
columns_to_summarize = ["ancient", "old", "middle", "new", "late"]
# Create the figure for the initial graph (placeholder data)
initial_data = df.groupby("place")[columns_to_summarize].sum().reset_index()
initial_fig = go.Figure()
initial_fig.layout.height = 700 # You can set the desired height here
for col in columns_to_summarize:
initial_fig.add_trace(
go.Bar(
name=col, x=initial_data["place"],
y=initial_data[col],
text=initial_data[col],
textposition="auto"))
# Define the app layout
app.layout = html.Div([
html.H1("Dynamic Stacked Bar Graph with Labels"),
dcc.Dropdown(
id="place-selector",
options=[{"label": place, "value": place} for place in df["place"].unique()],
multi=True,
placeholder="Select Places",
),
dcc.Graph(id="bar-graph", figure=initial_fig),
])
# Define a callback to update the graph based on selected places
@app.callback(
Output("bar-graph", "figure"),
[Input("place-selector", "value")]
)
def update_graph(selected_places):
filtered_df = df[df["place"].isin(selected_places)]
grouped = filtered_df.groupby("place")[columns_to_summarize].sum().reset_index()
fig = go.Figure()
for col in columns_to_summarize:
fig.add_trace(go.Bar(name=col, x=grouped["place"], y=grouped[col], text=grouped[col], textposition="auto"))
fig.update_layout(barmode="stack") # Set the bars to be stacked
for index, place in enumerate(grouped["place"]):
total = grouped[columns_to_summarize].iloc[index].sum()
fig.add_annotation(text=f"Total: {total}", x=place, y=total + 5)
# Adjust the height of the plot area
fig.update_layout(height=700) # You can set the desired height here
return fig
if __name__ == "__main__":
app.run_server(debug=True)