12
votes
Accepted
How can I include HTML in a Folium Marker popup?
You should check the Folium version you are using. 0.2.0 has changed how popups are added, as explained in this issue thread: https://github.com/python-visualization/folium/issues/360
Popups now no ...
- 236
11
votes
Accepted
Adding graticules to Folium map
You can add graticules as polylines. First, set intervals of latitude and longitude.
import folium
m = folium.Map()
lat_interval = 10
lon_interval = 10
grid = []
for lat in range(-90, 91, ...
- 74.7k
10
votes
Accepted
Fill color not showing appropriately in folium?
According the documentation, when you're creating a CircleMarker object the fill parameter defaults to False. Try explicitly setting it to True in your code:
#...
for lt, ln, el in zip(lat, lon, ...
- 4,015
8
votes
Python folium package for 'satellite' map
You can also use ESRI Satellite for satellite images. I used this:
tile = folium.TileLayer(
tiles = 'https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/...
- 81
8
votes
Accepted
What are Folium style_function parameters
The Geojson layer's style_function mimics the style function from Leaflet.js. Here are all the parameters.
- 206
7
votes
Accepted
Using Mapbox tiles with folium
As per http://python-visualization.github.io/folium/quickstart.html "Folium supports passing any Leaflet.js compatible custom tileset" let lets try that and bypass it's built in support:
folium.Map(...
- 2,209
7
votes
Coordinate System Mismatch In Folium
There are several things you have to take into account when dealing with coordinates and coordinate systems in Leaflet.
First, regardless of the coordinate system of the actual map displayed, all ...
- 22.9k
7
votes
Accepted
Mapping multiple polygons on Folium
If you use the data of Converting a column with coordinates in Pandas to GeoPandas, there is a problem with your location value or with your data
The data in the GeoDataFrame
x1,y1,x2,y2 = gdf['...
- 54.2k
7
votes
Accepted
How to fully customise LayerControl() in Folium?
It's possible via combination of three informations
All layers inherit from class Layer https://github.com/python-visualization/folium/blob/master/folium/map.py#L30 and one of the option states the ...
- 30.1k
7
votes
Accepted
Exporting GeoJSON with defined properties using Folium Draw plugin
The JS script to be used in Python code:
$(document).ready(function(){
var x = 0;
// {map} will be replaced to map object using Python
{map}.on("draw:created", ...
- 74.7k
6
votes
Accepted
`folium.GeoJson` displays all polygons in GeoDataframe but not individual ones
Because gdf["geometry"]) is a GeoSerie and gdf["geometry"][0] is a shapely geometry (the geometry column is a list of shapely geometries).
The type of data
data=gdf["geometry&...
- 54.2k
6
votes
Accepted
Identifying coordinate system from dataset (without using GIS software)
If you download the shapefile instead of the CSV you'll find a .prj file in the zip which is the projection metadata:
PROJCS["NZGD_2000_New_Zealand_Transverse_Mercator",GEOGCS["...
- 61.6k
6
votes
Accepted
Python folium add marker in random place
Folium injects the JS code to a place before the line where map object is created.
In the image, Line 1 is where folium adds the code. Line 2 is where the map object is created. Line 1 always run ...
- 74.7k
6
votes
Accepted
Folium to display points in Leaflet map (from data stored in array)
Move m.save("index.html") to the end.
# previous lines
while i < len(marker)-1:
folium.Marker([float(marker[i]), float(marker[i+1])], popup="new location", icon=folium.Icon(...
- 74.7k
5
votes
Click event on maps with Folium and information retrieval
Actually I have found a great way to do it..
Folium has a feature named LatLngPopUp which creates a popup where you click on the map with its location. I've edited that popup and added a href link ...
- 51
5
votes
Accepted
Draw a line between pairs of points with calculating the distance using Folium
You can use this script:
import pandas as pd
from pyproj import Transformer
import folium
df = pd.DataFrame({'name_origin (f)' : ['A', 'A', 'A', 'A', 'A', 'A', 'A'],
'x_origin' : [...
- 74.7k
5
votes
Accepted
Python folium - Leaflet plugin not visible on the map
In png_js , change .addTo{map} to .addTo({map}) and wrap JS code in $(document).ready(function(){ ... });
Code:
import folium
m = folium.Map()
m.get_root().header.add_child(folium.CssLink('https://...
- 74.7k
4
votes
Using Mapbox tiles with folium
The answer above is correct, but I wanted to add some detail of where Mapbox users can get the necessary url for the code. When in Mapbox Styles page, simply choose to share your style, and under '...
- 61
4
votes
Accepted
Python folium package for 'satellite' map
Your code is almost correct. Fixed one:
token = "pk...." # your mapbox token
tileurl = 'https://api.mapbox.com/v4/mapbox.satellite/{z}/{x}/{y}@2x.png?access_token=' + str(token)
m = folium.Map(
...
- 2,136
4
votes
Click event on maps with Folium and information retrieval
You can use GeoJsonTooltip to show selected fields from a GeoDataFrame.
usmap = folium.Map(
location=[40,-95],
tiles='cartodbpositron',
zoom_start=5,
control_scale=True
)
folium....
- 1,336
4
votes
Accepted
How to change circle opacity in Folium?
The parameter to control that is called fill_opacity.
folium.Circle(
location=[lat, long],
color=colormap(city_ratio),
radius=50*math.sqrt(city_pop),
fill=True,
opacity=0.8,
...
- 561
4
votes
Accepted
Reset map zoom based on added layers in Folium
Just tried this and it worked.
map.fit_bounds(map.get_bounds(), padding=(30, 30))
- 1,688
3
votes
Folium Heat Maps
Apologies for the thread necromancy, but after having had to Google this for the Nth time, I wanted to go ahead and record here that the only thing wrong with the OP's code here is that HeatMap wants ...
- 131
3
votes
error message 'module' object has no attribute 'MarkerCluster'
Just to expand a bit on @dslamb's answer, look at the imports in your code.
You use:
from folium.plugins import MarkerCluster
And then in your code you do:
marker_cluster = folium.MarkerCluster()....
- 13.3k
3
votes
error message 'module' object has no attribute 'MarkerCluster'
According to this notebook (https://github.com/python-visualization/folium/blob/master/examples/MarkerCluster.ipynb) you should try calling MarkerCluster directly. This is because you have imported ...
- 2,166
3
votes
How can I include HTML in a Folium Marker popup?
You can embed arbitrary HTML using folium.Html, with script=True. Here is a minimal example which demonstrates this:
import folium
m = folium.Map([51.5, -0.25], zoom_start=10)
test = folium.Html('&...
- 31
3
votes
Accepted
Appropriate False return statement?
That comment by neighdough worked for me. I had to filter out the dataset using the statement data = data[data['MAG'] < 6.0] and everytime I wanted another filtering e.g. if Magnitude > 7.0: ...
- 591
3
votes
Folium and MarkerCluster?
In your first case, you're adding Marker objects iteratively to your MarkerCluster. In the second case, you are just giving a list of coordinates, but not Marker objects. Convert your locations list ...
- 8,598
3
votes
Turn Layer off by default in Leaflet LayerControl
I've never used Python, but if you look at the Folium docs at https://python-visualization.github.io/folium/modules.html?highlight=featuregroup#folium.map.FeatureGroup, you'll se that folium.map....
- 22.9k
3
votes
Get coordinates from Folium's feature LatLngPopup in Python
Look at this site. I think this may interest you: https://github.com/python-visualization/folium/blob/master/examples/plugin-MousePosition.ipynb
import folium
from folium.plugins import MousePosition
...
- 31
Only top scored, non community-wiki answers of a minimum length are eligible