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import leafmap.foliumap as leafmap
import pandas as pd
import streamlit as st
def app():
st.title("Add Points from XY")
sample_url = "https://raw.githubusercontent.com/giswqs/leafmap/master/examples/data/world_cities.csv"
url = st.text_input("Enter URL:", sample_url)
m = leafmap.Map(locate_control=True, plugin_LatLngPopup=False)
if url:
try:
df = pd.read_csv(url)
columns = df.columns.values.tolist()
row1_col1, row1_col2, row1_col3, row1_col4, row1_col5 = st.columns(
[1, 1, 3, 1, 1]
)
lon_index = 0
lat_index = 0
for col in columns:
if col.lower() in ["lon", "longitude", "long", "lng"]:
lon_index = columns.index(col)
elif col.lower() in ["lat", "latitude"]:
lat_index = columns.index(col)
with row1_col1:
x = st.selectbox("Select longitude column", columns, lon_index)
with row1_col2:
y = st.selectbox("Select latitude column", columns, lat_index)
with row1_col3:
popups = st.multiselect("Select popup columns", columns, columns)
with row1_col4:
heatmap = st.checkbox("Add heatmap")
if heatmap:
with row1_col5:
if "pop_max" in columns:
index = columns.index("pop_max")
else:
index = 0
heatmap_col = st.selectbox("Select heatmap column", columns, index)
try:
m.add_heatmap(df, y, x, heatmap_col)
except:
st.error("Please select a numeric column")
try:
m.add_points_from_xy(df, x, y, popups)
except:
st.error("Please select a numeric column")
except Exception as e:
st.error(e)
m.to_streamlit()
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