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import panel as pn
import leafmap
import panel as pn
from leafmap.toolbar import change_basemap
pn.extension("ipywidgets")
zoom = pn.rx(2)
center = pn.rx((20, 0))
class Map(leafmap.Map):
def __init__(self, **kwargs):
super().__init__(**kwargs)
# Add what you want below
self.add_basemap("OpenTopoMap")
change_basemap(self)
element = Map( # type: ignore
zoom=zoom.rx.value,
center=center.rx.value,
scroll_wheel_zoom=True,
toolbar_ctrl=False,
data_ctrl=False,
)
def set_zoom(event):
zoom.rx.value = event["new"]
element.observe(set_zoom, names="zoom")
def set_center(event):
center.rx.value = event["new"]
element.observe(set_center, names="center")
layout = pn.Column(
element,
pn.Row(
pn.rx("Zoom: {zoom}").format(zoom=zoom),
pn.rx("Center: {center}").format(center=center),
),
)
pn.template.FastListTemplate(
site="🌎 Panel Geospatial",
site_url="./",
title="Leafmap",
main=[layout],
main_layout=None,
accent="teal",
).servable()
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