| import altair as alt | |
| import numpy as np | |
| import pandas as pd | |
| import streamlit as st | |
| """ | |
| # Welcome to Streamlit! | |
| Edit `/streamlit_app.py` to customize this app to your heart's desire :heart:. | |
| If you have any questions, checkout our [documentation](https://docs.streamlit.io) and [community | |
| forums](https://discuss.streamlit.io). | |
| In the meantime, below is an example of what you can do with just a few lines of code: | |
| """ | |
| import streamlit as st | |
| from streamlit_folium import st_folium | |
| from folium.plugins import Draw | |
| import folium | |
| m = folium.Map(location=[40.7128, -74.0060], zoom_start=12) | |
| Draw(export=True).add_to(m) | |
| output = st_folium(m, width=700, height=500) | |
| if output and 'last_active_drawing' in output: | |
| geojson_data = output['last_active_drawing'] | |
| st.write("Geofence drawn:", geojson_data) | |