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Try to update shiny example #409

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Try to update shiny example #409

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Try to update shiny example
kylebarron Mar 6, 2024
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kylebarron Mar 6, 2024
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kylebarron Mar 20, 2024
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30 changes: 30 additions & 0 deletions examples/shiny/app.py
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Original file line number Diff line number Diff line change
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import geopandas as gpd
from shiny import reactive
from shiny.express import input, ui
from shinywidgets import render_widget

from lonboard import Map, ScatterplotLayer

colors = {
"Red": [200, 0, 0],
"Green": [0, 200, 0],
"Blue": [0, 0, 200],
}

ui.input_select("color_select", "Color", choices=list(colors.keys()))


@render_widget
def layer():
gdf = gpd.read_file(gpd.datasets.get_path("naturalearth_cities"))
return ScatterplotLayer.from_geopandas(gdf, radius_min_pixels=2)


@render_widget
def map():
return Map(layer.widget)


@reactive.effect
def set_fill_color():
layer.widget.get_fill_color = colors[input.color_select()]
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