06 marker cluster

Uncomment the following line to install geemap if needed.

In [1]:

# !pip install geemap

# !pip install geemap

In [2]:

import geemap
import json
import os
import requests
from geemap import geojson_to_ee, ee_to_geojson
from ipyleaflet import GeoJSON, Marker, MarkerCluster

import geemap import json import os import requests from geemap import geojson_to_ee, ee_to_geojson from ipyleaflet import GeoJSON, Marker, MarkerCluster

In [3]:

geemap.show_youtube('4HycJPrwpuo')

geemap.show_youtube('4HycJPrwpuo')

In [4]:

Map = geemap.Map()
Map

Map = geemap.Map() Map

Out[4]:

Make this Notebook Trusted to load map: File -> Trust Notebook

In [5]:

file_path = os.path.abspath('../data/us-cities.json')

if not os.path.exists(file_path):
    url = 'https://github.com/giswqs/geemap/raw/master/examples/data/us-cities.json'
    r = requests.get(url)
    with open(file_path, 'w') as f:
        f.write(r.content.decode("utf-8"))

with open(file_path) as f:
    json_data = json.load(f)

file_path = os.path.abspath('../data/us-cities.json') if not os.path.exists(file_path): url = 'https://github.com/giswqs/geemap/raw/master/examples/data/us-cities.json' r = requests.get(url) with open(file_path, 'w') as f: f.write(r.content.decode("utf-8")) with open(file_path) as f: json_data = json.load(f)

In [6]:

maker_cluster = MarkerCluster(
    markers=[
        Marker(location=feature['geometry']['coordinates'][::-1])
        for feature in json_data['features']
    ],
    name='Markers',
)

maker_cluster = MarkerCluster( markers=[ Marker(location=feature['geometry']['coordinates'][::-1]) for feature in json_data['features'] ], name='Markers', )

In [7]:

Map.add_layer(maker_cluster)

Map.add_layer(maker_cluster)

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
Input In [7], in <cell line: 1>()
----> 1 Map.add_layer(maker_cluster)

File ~/.local/lib/python3.9/site-packages/geemap/foliumap.py:195, in Map.add_layer(self, ee_object, vis_params, name, shown, opacity, **kwargs)
    187 if (
    188     not isinstance(ee_object, ee.Image)
    189     and not isinstance(ee_object, ee.ImageCollection)
   (...)
    192     and not isinstance(ee_object, ee.Geometry)
    193 ):
    194     err_str = "\n\nThe image argument in 'addLayer' function must be an instance of one of ee.Image, ee.Geometry, ee.Feature or ee.FeatureCollection."
--> 195     raise AttributeError(err_str)
    197 if (
    198     isinstance(ee_object, ee.geometry.Geometry)
    199     or isinstance(ee_object, ee.feature.Feature)
    200     or isinstance(ee_object, ee.featurecollection.FeatureCollection)
    201 ):
    202     features = ee.FeatureCollection(ee_object)

AttributeError: 

The image argument in 'addLayer' function must be an instance of one of ee.Image, ee.Geometry, ee.Feature or ee.FeatureCollection.

In [8]:

ee_fc = geojson_to_ee(json_data)
Map.addLayer(ee_fc, {}, "US Cities EE")

ee_fc = geojson_to_ee(json_data) Map.addLayer(ee_fc, {}, "US Cities EE")

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Last update: 2022-03-14