import re
from typing import Union
import folium
import pandas as pd
from folium import plugins
import streamlit as st
EPICENTER_LOCATION = [31.12210171476489, -8.42945837915193]
BORDER_COLOR = "black"
# @st.cache_resource
def parse_gg_sheet(url):
print("Parsing Google Sheet:", url)
url = url.replace("edit#gid=", "export?format=csv&gid=")
df = pd.read_csv(url, on_bad_lines="warn")
return df
@st.cache_resource
def parse_json_file(url):
df = pd.read_json(url)
df = pd.json_normalize(df.douars)
return df
def is_request_in_list(request, selection_list, options):
if isinstance(request, float): # Check if the input is a float (like NaN)
return False
if "," in request:
all_requests = [r.strip() for r in request.split(",")]
else:
all_requests = [request]
# If at least one of the requests is not in the options or in the selection list, return True
for r in all_requests:
if r not in options:
return True
if r in selection_list:
return True
return False
def marker_request(request):
# in case of multiple requests we use the first one for the marker's icon
# requests are already sorted by priority from the form
try:
displayed_request = request.split(',')[0]
except:
displayed_request = request
return displayed_request
def add_latlng_col(df, process_column: Union[str, int]):
"""Add a latlng column to the dataframe"""
if isinstance(process_column, str):
df["latlng"] = df[process_column].apply(parse_latlng)
elif isinstance(process_column, int):
df["latlng"] = df.iloc[:, process_column].apply(parse_latlng)
else:
raise ValueError(f"process_column should be a string or an integer, got {type(process_column)}")
return df
# parse latlng (column 4) to [lat, lng]
def parse_latlng(latlng):
if pd.isna(latlng):
return None
try:
# case where there more than one comma 30,98 , -7,10
if latlng.count(',') > 2:
d1, d2, d3, d4 = latlng.split(",")[:4]
return [float(".".join([d1, d2])), float(".".join([d3, d4]))]
# case of more than one dot 30.98. -7.10
if latlng.count('.') > 2:
d1, d2, d3, d4 = latlng.split(".")[:4]
return [float(".".join([d1, d2])), float(".".join([d3, d4]))]
# case where there is only one comma 30,98 , -7,10
lat, lng = latlng.split(",")[:2]
# remove anything that is not a digit or a dot or a minus sign
lat = re.sub(r"[^\d\.\-]", "", lat)
lng = re.sub(r"[^\d\.\-]", "", lng)
return [float(lat), float(lng)]
except Exception as e:
print(f"Error parsing latlng: {latlng} Reason: {e}")
return None
def add_epicentre_to_map(fg):
# Removed the spinner to not confuse the users as the map is already loaded
icon_epicentre = folium.plugins.BeautifyIcon(
icon='star',
border_color='#b3334f',
background_color='#b3334f',
text_color='white'
)
fg.add_child(folium.Marker(location=EPICENTER_LOCATION,
# popup="Epicenter مركز الزلزال",
tooltip="Epicenter مركز الزلزال",
icon=icon_epicentre))
def add_danger_distances_to_map(map_obj):
Danger_Distances_group = folium.FeatureGroup(name='Danger distances - earthquake magnitude 7 | مسافات الخطر - قوة الزلازل 7').add_to(map_obj)
zones = [
{"radius": 100000, "fill_opacity": 0.1, "weight": 1, "fill_color": "yellow", "tooltip": "50 to 100 km - Moderate risk area | منطقة خطر معتدلة"},
{"radius": 50000, "fill_opacity": 0.1, "weight": 1, "fill_color": "orange", "tooltip": "30 to 50 km - High risk zone | منطقة عالية المخاطر"},
{"radius": 30000, "fill_opacity": 0.2, "weight": 1, "fill_color": "#FF0000", "tooltip": "10 to 30 km - Very high risk zone | منطقة شديدة الخطورة"},
{"radius": 10000, "fill_opacity": 0.2, "weight": 0.2, "fill_color": "#8B0000", "tooltip": "0 to 10km - direct impact zone | منطقة التأثير المباشر"}
]
for zone in zones:
folium.Circle(
location=EPICENTER_LOCATION,
radius=zone["radius"],
color=BORDER_COLOR,
weight=zone["weight"],
fill_opacity=zone["fill_opacity"],
opacity=zone["fill_opacity"], # Assuming border opacity should match fill_opacity
fill_color=zone["fill_color"],
# tooltip=zone["tooltip"],
).add_to(Danger_Distances_group)
def add_village_names(douar_df, map_obj):
village_fgroup = folium.FeatureGroup(name='🔵 All the Villages / Tous les villages / جميع القرى', show=False).add_to(map_obj)
for _, row in douar_df.iterrows():
lat = row['lat']
lng = row['lng']
lat_lng = (lat, lng)
dour_name = row['name'].capitalize()
maps_url = f"https://maps.google.com/?q={lat_lng}"
display_text = f'
⛰️ Douar: {dour_name}
🧭 Google Maps'
folium.CircleMarker(
location=[lat, lng],
radius=0.1,
tooltip = dour_name, # we might remove the tooltip to avoid crowding the map
popup=folium.Popup(display_text, max_width=200),
color= "#0046C8",
opacity = 0.7
).add_to(village_fgroup)
def init_map():
m = folium.Map(
location=[31.228674, -7.992047],
zoom_start=8.5,
min_zoom=8.5,
max_lat=35.628674,
min_lat=29.628674,
max_lon=-4.992047,
min_lon=-10.992047,
max_bounds=True,
)
# Add a search bar to the map
geocoder = plugins.Geocoder(
collapsed=False,
position="topright",
placeholder="Search | البحث",
)
m.add_child(geocoder)
# Add Fullscreen button to the map
fullscreen = plugins.Fullscreen(
position="topright",
title="Expand me | تكبير الخريطة",
title_cancel="Exit me | تصغير الخريطة",
force_separate_button=True,
)
m.add_child(fullscreen)
# Satellite View from Mapbox
tileurl = "https://marocmap.ikiker.com/maroc/{z}/{x}/{y}.png"
folium.TileLayer(
tiles=tileurl,
attr="Maroc Map",
name="Maroc Map",
overlay=False,
control=False,
).add_to(m)
# Add danger zones
add_epicentre_to_map(m)
add_danger_distances_to_map(m)
# Add a LayerControl to the map to toggle between layers (Satellite View and Default One)
folium.LayerControl().add_to(m)
# Add detect location button
plugins.LocateControl(
position="topleft",
drawCircle=False,
flyTo=True,
strings={"title": "My location | موقعي", "popup": "My location | موقعي"},
).add_to(m)
return m