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import streamlit as st
import folium
from streamlit_folium import folium_static
from folium.plugins import MarkerCluster
import time
import math
# Define California medical centers data
california_med_centers = [
('UCSF Medical Center', 37.7631, -122.4576, 'General medical and surgical', 'San Francisco'),
('Cedars-Sinai Medical Center', 34.0762, -118.3790, 'Heart specialty', 'Los Angeles'),
('Stanford Health Care', 37.4331, -122.1750, 'Teaching hospital', 'Stanford'),
('UCLA Medical Center', 34.0659, -118.4466, 'Research and teaching', 'Los Angeles'),
('Scripps La Jolla Hospitals', 32.8851, -117.2255, 'Multiple specialties', 'La Jolla'),
('Sharp Memorial Hospital', 32.7992, -117.1542, 'Trauma center', 'San Diego'),
('Huntington Hospital', 34.1330, -118.1475, 'Non-profit hospital', 'Pasadena'),
('Hoag Memorial Hospital', 33.6045, -117.8664, 'Community hospital', 'Newport Beach'),
('UCSD Medical Center', 32.7554, -117.1682, 'Academic health center', 'San Diego'),
('UC Davis Medical Center', 38.5539, -121.4554, 'Public academic health', 'Sacramento'),
('John Muir Medical Center', 37.9192, -122.0426, 'Heart care', 'Walnut Creek'),
('Santa Clara Valley Medical Center', 37.3121, -121.9769, 'County hospital', 'San Jose'),
('Kaiser Permanente San Francisco', 37.7741, -122.4179, 'Health maintenance organization', 'San Francisco'),
('City of Hope', 34.1285, -117.9665, 'Cancer center', 'Duarte'),
('UCI Medical Center', 33.7886, -117.8572, 'University hospital', 'Orange'),
('Good Samaritan Hospital', 34.0506, -118.2831, 'Private hospital', 'Los Angeles'),
('Los Angeles County General', 34.0581, -118.2917, 'Public hospital', 'Los Angeles'),
('California Pacific Medical Center', 37.7864, -122.4357, 'Private non-profit', 'San Francisco'),
('Sutter Roseville Medical Center', 38.7521, -121.2760, 'General medical and surgical', 'Roseville'),
('St. Joseph Hospital', 33.7821, -117.9188, 'Faith-based care', 'Orange')
]
# Initialize session state
if 'car_position' not in st.session_state:
st.session_state.car_position = [37.7631, -122.4576] # Default start: UCSF
if 'is_moving' not in st.session_state:
st.session_state.is_moving = False
if 'start' not in st.session_state:
st.session_state.start = california_med_centers[0] # Default start
if 'destination' not in st.session_state:
st.session_state.destination = california_med_centers[1] # Default destination
# Rough distance calculation (Haversine formula in miles)
def calculate_distance(lat1, lon1, lat2, lon2):
R = 3958.8 # Earth radius in miles
lat1_rad, lon1_rad = math.radians(lat1), math.radians(lon1)
lat2_rad, lon2_rad = math.radians(lat2), math.radians(lon2)
dlat = lat2_rad - lat1_rad
dlon = lon2_rad - lon1_rad
a = math.sin(dlat / 2)**2 + math.cos(lat1_rad) * math.cos(lat2_rad) * math.sin(dlon / 2)**2
c = 2 * math.atan2(math.sqrt(a), math.sqrt(1 - a))
return R * c
# Create map
def create_map():
m = folium.Map(location=st.session_state.car_position, zoom_start=13, tiles="OpenStreetMap")
# Add medical center markers
marker_cluster = MarkerCluster().add_to(m)
for center in california_med_centers:
folium.Marker(
location=[center[1], center[2]],
popup=f'<b>{center[0]}</b><br>Description: {center[3]}<br>City: {center[4]}',
icon=folium.Icon(color='red')
).add_to(marker_cluster)
# Add car marker
folium.Marker(
location=st.session_state.car_position,
popup='Car',
icon=folium.Icon(color='blue', icon='car', prefix='fa')
).add_to(m)
return m
# Move car toward destination
def move_car():
target = [st.session_state.destination[1], st.session_state.destination[2]]
lat_step = (target[0] - st.session_state.car_position[0]) / 50
lon_step = (target[1] - st.session_state.car_position[1]) / 50
st.session_state.car_position[0] += lat_step
st.session_state.car_position[1] += lon_step
# Display map in a wider, taller container
st.markdown("""
<style>
.full-width-map {width: 100%; height: 600px;}
</style>
""", unsafe_allow_html=True)
with st.container():
m = create_map()
folium_static(m, width=1200, height=600) # Larger map
st.markdown("""
# 🏥 California Medical Centers 🌆
Select a start and destination, then drive the car across the map! The map stays centered on the car.
""")
# Display start, destination, and distance
distance = calculate_distance(
st.session_state.start[1], st.session_state.start[2],
st.session_state.destination[1], st.session_state.destination[2]
)
remaining_distance = calculate_distance(
st.session_state.car_position[0], st.session_state.car_position[1],
st.session_state.destination[1], st.session_state.destination[2]
)
st.write(f"**Start**: {st.session_state.start[0]} ({st.session_state.start[1]}, {st.session_state.start[2]})")
st.write(f"**Destination**: {st.session_state.destination[0]} ({st.session_state.destination[1]}, {st.session_state.destination[2]})")
st.write(f"**Total Distance**: {distance:.1f} miles")
if st.session_state.is_moving:
st.write(f"**Remaining Distance**: {remaining_distance:.1f} miles")
# Controls
col1, col2, col3 = st.columns(3)
with col1:
if st.button("Start Driving"):
st.session_state.is_moving = True
with col2:
if st.button("Stop Driving"):
st.session_state.is_moving = False
with col3:
if st.button("Reset Car to Start"):
st.session_state.car_position = [st.session_state.start[1], st.session_state.start[2]]
st.session_state.is_moving = False
st.rerun()
# Start and destination selection
st.subheader("Set Start and Destination")
start_col, dest_col = st.columns(2)
with start_col:
st.write("Pick Start Location:")
for i in range(0, len(california_med_centers), 2):
col1, col2 = st.columns(2)
with col1:
if st.button(f"Start: {california_med_centers[i][0]}", key=f"start_{i}"):
st.session_state.start = california_med_centers[i]
st.session_state.car_position = [california_med_centers[i][1], california_med_centers[i][2]]
st.rerun()
if i + 1 < len(california_med_centers):
with col2:
if st.button(f"Start: {california_med_centers[i+1][0]}", key=f"start_{i+1}"):
st.session_state.start = california_med_centers[i+1]
st.session_state.car_position = [california_med_centers[i+1][1], california_med_centers[i+1][2]]
st.rerun()
with dest_col:
st.write("Pick Destination Location:")
for i in range(0, len(california_med_centers), 2):
col1, col2 = st.columns(2)
with col1:
if st.button(f"Dest: {california_med_centers[i][0]}", key=f"dest_{i}"):
st.session_state.destination = california_med_centers[i]
st.rerun()
if i + 1 < len(california_med_centers):
with col2:
if st.button(f"Dest: {california_med_centers[i+1][0]}", key=f"dest_{i+1}"):
st.session_state.destination = california_med_centers[i+1]
st.rerun()
# Simulate car movement with pause
if st.session_state.is_moving:
move_car()
time.sleep(0.5) # Pause to reduce flickering
st.rerun() |