toy_app/pages/02_eurocrops.py.bak

import leafmap
from leafmap import pmtiles_style
import solara
import ipyleaflet

# THings to come:
# TODO: Calculate some metrics given the area.
# TODO: add a raster to the toy
# TODO: Dynamically check the center of the map and change what's displayed depending on that.

# variables
zoom = solara.reactive(2)
center = solara.reactive((20, 0))

# Euromap info
eurocrops_pmtiles = "https://s3.us-west-2.amazonaws.com/us-west-2.opendata.source.coop/cholmes/eurocrops/eurocrops-all.pmtiles"

original_style = {
    "version": 8,
    "sources": {
        "source": {
            "type": "vector",
            "url": "pmtiles://https://s3.us-west-2.amazonaws.com/us-west-2.opendata.source.coop/cholmes/eurocrops/eurocrops-all.pmtiles",
            "attribution": "PMTiles",
        }
    },
    "layers": [
        {
            "id": "eurocrops_point",
            "source": "source",
            "source-layer": "eurocrops",
            "type": "circle",
            "paint": {"circle-color": "#8dd3c7", "circle-radius": 5},
            "filter": ["==", ["geometry-type"], "Point"],
        },
        {
            "id": "eurocrops_stroke",
            "source": "source",
            "source-layer": "eurocrops",
            "type": "line",
            "paint": {"line-color": "#8dd3c7", "line-width": 1},
            "filter": ["==", ["geometry-type"], "LineString"],
        },
        {
            "id": "eurocrops_fill",
            "source": "source",
            "source-layer": "eurocrops",
            "type": "fill",
            "paint": {"fill-color": "#8dd3c7", "fill-opacity": 0.5},
            "filter": ["==", ["geometry-type"], "Polygon"],
        },
    ],
}
style = original_style
del style["version"]
del style["sources"]

q_url = "https://storage.googleapis.com/ahp-research/overture/pmtiles/overture.pmtiles"

q_style = {
    "layers": [
        {
            "id": "admins",
            "source": "example_source",
            "source-layer": "admins",
            "type": "fill",
            "paint": {"fill-color": "#BDD3C7", "fill-opacity": 0.1},
        },
        {
            "id": "buildings",
            "source": "example_source",
            "source-layer": "buildings",
            "type": "fill",
            "paint": {"fill-color": "#FFFFB3", "fill-opacity": 0.5},
        },
        {
            "id": "places",
            "source": "example_source",
            "source-layer": "places",
            "type": "fill",
            "paint": {"fill-color": "#BEBADA", "fill-opacity": 0.5},
        },
        {
            "id": "roads",
            "source": "example_source",
            "source-layer": "roads",
            "type": "line",
            "paint": {"line-color": "#FB8072"},
        },
    ],
}

# self.add_pmtiles(url, name='PMTiles', style=style)


class Map(leafmap.Map):
    def __init__(self, **kwargs) -> None:
        super().__init__(**kwargs)
        self.add_basemap("CartoDB.DarkMatter")
        self.add_pmtiles(
            eurocrops_pmtiles,
            style=style,
            name="Euro Crops",
            overlay=True,
            show=True,
            zoom_to_layer=True,
        )
        # print(pmtiles_style(eurocrops_pmtiles))
        # print(style)
        # self.add_pmtiles(
        #     q_url,
        #     # style=pmtiles_style(q_url),
        #     style=q_style,
        #     name="Quisheng Layer",
        #     overlay=True,
        #     show=True,
        #     zoom_to_layer=True,
        # )
        # self.add_my_pmtiles()
        # self.add_stac_gui()  ## TODO: make sure I need this

    def add_my_pmtiles(self, **kwargs):
        layer = ipyleaflet.PMTilesLayer(url=eurocrops_pmtiles, style=style)
        self.add(layer)


@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
            # m = 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",
        )