import folium
import pandas
data= pandas.read_csv("maps.txt")
lat = list(data["latitude"])
lon = list(data["longitude"])
map= folium.Map(location=[31.5204, 74.3587], zoom_start=6, tiles="Mapbox Bright")
fg = folium.FeatureGroup(name="My Map")
for lt, ln in zip(lat, lon):
c1 = fg.add_child(folium.Marker(location=[lt, ln], popup="Hi i am a Country",icon=folium.Icon(color='green')))
child = fg.add_child(folium.Marker(location=[31.5204, 74.5387], popup="Welcome to Lahore", icon= folium.Icon(color='green')))
map.add_child(fg)
map.save("Lahore.html")
Traceback (most recent call last):
File "C:\Users\Ryan\AppData\Local\Programs\Python\Python36-32\check2.py", line 14, in <module>
c1 = fg.add_child(folium.Marker(location=[lt, ln], popup="Hi i am a Country",icon=folium.Icon(color='green')))
File "C:\Users\Ryan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\folium\map.py", line 647, in __init__
self.location = _validate_coordinates(location)
File "C:\Users\Ryan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\folium\utilities.py", line 48, in _validate_coordinates
'got:\n{!r}'.format(coordinates))
ValueError: Location values cannot contain NaNs, got:
[nan, nan]
fonte
2018-02-05 11:10:15
oh bel uomo – swyx
Qui ho avuto una situazione in cui 'a' era popolato da un CSV, e la colonna' a' conteneva la stringa "nan". 'pandas'" intelligentemente "ha convertito questo in' NaN' e ha iniziato a lamentarsi quando ho provato a fare 'df.a.str.contains()'. Quindi sì protip: assicurati di impostare il tipo di colonna in 'read_csv()' o dopo fai qualcosa come 'df = df.where (pandas.notnull (df)," nan ")' LOL – dmn