58 bokeh

Uncomment the following line to install leafmap if needed.

In [1]:

# !pip install leafmap

# !pip install leafmap

In [2]:

# !pip install bokeh jupyter_bokeh

# !pip install bokeh jupyter_bokeh

In [3]:

import leafmap.bokehmap as leafmap

import leafmap.bokehmap as leafmap

Create an interactive map

In [4]:

m = leafmap.Map()
m

m = leafmap.Map() m

Loading BokehJS ...

Out[4]:

<leafmap.bokehmap.Map at 0x7f62b091bef0>

Specify center and zoom level

In [5]:

m = leafmap.Map(center=[40, -100], zoom=4, height=400)
m

m = leafmap.Map(center=[40, -100], zoom=4, height=400) m

Out[5]:

<leafmap.bokehmap.Map at 0x7f62b094bef0>

Add basemaps

In [6]:

m = leafmap.Map()
m.add_basemap("OpenTopoMap")
m

m = leafmap.Map() m.add_basemap("OpenTopoMap") m

Out[6]:

<leafmap.bokehmap.Map at 0x7f62b0987470>

In [7]:

# print(leafmap.basemaps.keys())

# print(leafmap.basemaps.keys())

Add COG

In [8]:

m = leafmap.Map()
url = "https://github.com/opengeos/data/releases/download/raster/Libya-2023-09-13.tif"
m.add_cog_layer(url)
m

m = leafmap.Map() url = "https://github.com/opengeos/data/releases/download/raster/Libya-2023-09-13.tif" m.add_cog_layer(url) m

Out[8]:

<leafmap.bokehmap.Map at 0x7f62b0986300>

Add STAC

In [9]:

m = leafmap.Map()
url = "https://canada-spot-ortho.s3.amazonaws.com/canada_spot_orthoimages/canada_spot5_orthoimages/S5_2007/S5_11055_6057_20070622/S5_11055_6057_20070622.json"
m.add_stac_layer(url, bands=["B3", "B2", "B1"], name="False color")
m

m = leafmap.Map() url = "https://canada-spot-ortho.s3.amazonaws.com/canada_spot_orthoimages/canada_spot5_orthoimages/S5_2007/S5_11055_6057_20070622/S5_11055_6057_20070622.json" m.add_stac_layer(url, bands=["B3", "B2", "B1"], name="False color") m

Out[9]:

<leafmap.bokehmap.Map at 0x7f62b09b30e0>

Add local raster datasets

In [10]:

url = "https://opengeos.org/data/raster/srtm90.tif"
leafmap.download_file(url, "dem.tif")

url = "https://opengeos.org/data/raster/srtm90.tif" leafmap.download_file(url, "dem.tif")

dem.tif already exists. Skip downloading. Set overwrite=True to overwrite.

Out[10]:

'/home/runner/work/leafmap/leafmap/docs/notebooks/dem.tif'

In [11]:

m = leafmap.Map()
m.add_raster("dem.tif", colormap="terrain")
m

m = leafmap.Map() m.add_raster("dem.tif", colormap="terrain") m

Out[11]:

<leafmap.bokehmap.Map at 0x7f62b09b0bf0>

Add points

In [12]:

m = leafmap.Map()
url = "https://github.com/opengeos/leafmap/blob/master/examples/data/us_cities.geojson"
m.add_geojson(url, size=10, color="blue", alpha=0.7)
m

m = leafmap.Map() url = "https://github.com/opengeos/leafmap/blob/master/examples/data/us_cities.geojson" m.add_geojson(url, size=10, color="blue", alpha=0.7) m

BokehDeprecationWarning: 'circle() method with size value' was deprecated in Bokeh 3.4.0 and will be removed, use 'scatter(size=...) instead' instead.

Out[12]:

<leafmap.bokehmap.Map at 0x7f62b09b0290>

Add lines

In [13]:

m = leafmap.Map()
m.add_basemap("CartoDB.DarkMatter")
url = "https://github.com/opengeos/leafmap/raw/master/examples/data/cable_geo.geojson"
m.add_vector(url, line_color="color", line_width=2)
m

m = leafmap.Map() m.add_basemap("CartoDB.DarkMatter") url = "https://github.com/opengeos/leafmap/raw/master/examples/data/cable_geo.geojson" m.add_vector(url, line_color="color", line_width=2) m

Skipping field coordinates: unsupported OGR type: 3

Out[13]:

<leafmap.bokehmap.Map at 0x7f62b09b3ef0>

Add polygons

In [14]:

m = leafmap.Map()
url = "https://github.com/opengeos/leafmap/blob/master/examples/data/countries.geojson"
m.add_vector(url, fill_alpha=0.5, fill_color="lightblue")
m

m = leafmap.Map() url = "https://github.com/opengeos/leafmap/blob/master/examples/data/countries.geojson" m.add_vector(url, fill_alpha=0.5, fill_color="lightblue") m

Out[14]:

<leafmap.bokehmap.Map at 0x7f62a84627e0>