The avatar for @visionscarto
Visionscarto
Maps — and other representations of the world.
Public
Edited
Mar 21, 2024
7 stars
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// charger les données
zipped = new Promise((resolve, reject) =>
load && remote("https://www.data.gouv.fr/fr/datasets/r/c1dcd2cd-2c94-4e76-9380-eb1d9d0877e1").zip()
.then(resolve, reject))
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// dezipper et ouvrir avec SPL
bat41 = zipped
.file("bnb_export_41.gpkg")
.arrayBuffer()
.then((buffer) => spl.db(buffer))
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// faire une requête
req = bat41.exec("select * from batiment WHERE insee_nom_commune = 'MAZANGE'")
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features = Array.from(await req.get.objs, (d) => d.geombui)
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// on cartographie la requête
Plot.plot({
height: 1000,
projection: {
type: "reflect-y",
domain: { type: "FeatureCollection", features }
},
marks: [Plot.geo(features)]
})
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import { Plot } from "@observablehq/plot-geo"
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import {remote} from "@observablehq/remote"
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SPL = import("https://cdn.skypack.dev/spl.js@0.1.0-beta.3?min")
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spl = SPL.default()
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