airports_map

此示例在两个单独的瓦片图中显示相同的数据。左侧图使用内置的 CartoDB 瓦片源，右侧图使用为 OpenStreetMap 配置的自定义瓦片源。

详情

示例数据:

bokeh.sampledata.airports

Bokeh APIs:

figure.add_tile, figure.scatter

更多信息:

GeoJSON 数据, 瓦片提供器地图

关键词:

tile, map, field, elevation, geo

import xyzservices.providers as xyz

from bokeh.layouts import column, gridplot
from bokeh.models import Div, Range1d
from bokeh.plotting import figure, show
from bokeh.sampledata.airports import data as airports

title = "US Airports: Field Elevation > 1500m"


def plot(tile_source):
    # set to rough extents of points
    x_range = Range1d(start=airports['x'].min() - 10000, end=airports['x'].max() + 10000, bounds=None)
    y_range = Range1d(start=airports['y'].min() - 10000, end=airports['y'].max() + 10000, bounds=None)

    # create plot and add tools
    p = figure(tools='hover,wheel_zoom,pan,reset', x_range=x_range, y_range=y_range, title=title,
               tooltips=[("Name", "@name"), ("Elevation", "@elevation (m)")],
               width=400, height=400)
    p.axis.visible = False
    p.add_tile(tile_source)

    # create point glyphs
    p.scatter(x='x', y='y', size=10, fill_color="#F46B42", line_color="white", line_width=2, source=airports)
    return p


carto = plot("CartoDB Positron")
mq = plot(xyz.OpenTopoMap)

# link panning
mq.x_range = carto.x_range
mq.y_range = carto.y_range

div = Div(text="""
<p>This example shows the same data on two separate tile plots.
The left plot uses the built-in CartoDB tile source, and the right plot uses
a customized tile source configured for OpenStreetMap.</p>
""", width=800)

layout = column(div, gridplot([[carto, mq]], toolbar_location="right"))

show(layout)