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import ee | |
import geemap | |
from shiny import reactive | |
from shiny.express import input, ui | |
from shinywidgets import output_widget, render_widget | |
from faicons import icon_svg | |
import ipyleaflet | |
geemap.ee_initialize(service_account=True) | |
city_centers = { | |
"London": (51.5074, 0.1278), | |
"Paris": (48.8566, 2.3522), | |
"New York": (40.7128, -74.0060) | |
} | |
ui.input_select("center", "Center", choices=list(city_centers.keys())) | |
def map(): | |
m = ipyleaflet.Map(zoom=4, scroll_wheel_zoom=True) | |
m.layout.height = "800px" | |
dem = ee.Image("USGS/SRTMGL1_003") | |
vis_params = { | |
"min": 0, | |
"max": 4000, | |
"palette": ["006633", "E5FFCC", "662A00", "D8D8D8", "F5F5F5"], | |
} | |
tile = geemap.ee_tile_layer(dem, vis_params, "SRTM DEM") | |
url = tile.url | |
layer = ipyleaflet.TileLayer(url=url, attribution="Google", name="DEM") | |
m.add(layer) | |
m.add(ipyleaflet.FullScreenControl()) | |
m.add(ipyleaflet.LayersControl(position='topright')) | |
return m | |
def _(): | |
map.widget.center = city_centers[input.center()] |