Spaces:
Sleeping
Sleeping
File size: 3,157 Bytes
178e7f7 8bf4161 178e7f7 8bf4161 178e7f7 8bf4161 178e7f7 dc20248 8bf4161 178e7f7 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 |
import leafmap
import solara
import ipywidgets as widgets
import pandas as pd
import geopandas as gpd
zoom = solara.reactive(2)
center = solara.reactive((20, 0))
def get_datasets(m):
url = "https://raw.githubusercontent.com/opengeos/ee-tile-layers/main/datasets.tsv"
df = pd.read_csv(url, sep="\t")
setattr(m, "df", df)
return df
def add_widget(m, position="topright"):
building_url = "https://openbuildings-public-dot-gweb-research.uw.r.appspot.com/public/tiles.geojson"
country_url = (
"https://naciscdn.org/naturalearth/110m/cultural/ne_110m_admin_0_countries.zip"
)
building_gdf = gpd.read_file(building_url)
country_gdf = gpd.read_file(country_url)
countries = country_gdf["NAME"].values.tolist()
countries.sort()
style = {"description_width": "initial"}
padding = "0px 0px 0px 5px"
country = widgets.Dropdown(
options=countries,
description="Country:",
style=style,
layout=widgets.Layout(padding=padding, width="275px"),
)
country.value = None
m.add_gdf(building_gdf, layer_name="Coverage", zoom_to_layer=True, info_mode=None)
def country_changed(change):
if change["new"]:
selected = change["new"]
selected_gdf = country_gdf[country_gdf["NAME"] == selected]
gdf_style = {
"color": "#000000",
"weight": 2,
"opacity": 1,
"fill": False,
"fillColor": "#3388ff",
}
if selected not in m.get_layer_names():
m.add_gdf(
selected_gdf,
layer_name=selected,
zoom_to_layer=True,
info_mode=None,
style=gdf_style,
)
country.observe(country_changed, names="value")
m.add_ee_layer("GOOGLE/open-buildings", name="Buildings")
m.add_widget(country, position=position)
html = "Source: <a href='https://sites.research.google/open-buildings/' target='_blank'>Google Open Buildings</a>"
m.add_html(html, position="bottomright")
class Map(leafmap.Map):
def __init__(self, **kwargs):
super().__init__(**kwargs)
# Add what you want below
self.add_basemap("SATELLITE", shown=False)
self.find_layer("Google Satellite").visible = False
self.add_layer_manager()
add_widget(self)
@solara.component
def Page():
with solara.Column(style={"min-width": "500px"}):
# solara components support reactive variables
# solara.SliderInt(label="Zoom level", value=zoom, min=1, max=20)
# using 3rd party widget library require wiring up the events manually
# using zoom.value and zoom.set
Map.element( # type: ignore
zoom=zoom.value,
on_zoom=zoom.set,
center=center.value,
on_center=center.set,
scroll_wheel_zoom=True,
toolbar_ctrl=False,
data_ctrl=False,
height="780px",
)
solara.Text(f"Zoom: {zoom.value}")
solara.Text(f"Center: {center.value}")
|