d3 = require("d3")
lirCountsPlz = d3.csv("https://www-static.ripe.net/static/rnd-ui/openipmap/production/maps/lir-postcode.json").then(d => d)
landWithLirs = land.features.map(plz => {
let lirCount = lirCountsPlz.find(lc => lc.postcode.replace("DE-","").replace("D-","").replace(" M","").replace("D ","")===plz.properties.PLZ99);
return { ...plz, properties: { ...plz.properties, lirCount: lirCount && Number(lirCount.count) } }}).filter(l => l.properties.lirCount)
plzWithManyLirs = lirCountsPlz.filter(plz => plz.count > 10)
landWithManyLirs = land.features.map(l => plzWithManyLirs.find(plz => l.properties.PLZ99===plz.postcode.replace("DE-","").replace("D-","").replace(" M","").replace("D ","")) && { name: l.properties.PLZORT99, coords: projection(turf.centroid(l).geometry.coordinates)}).filter(l => l).reduce((set,l) => { if (!set.some(ll => l.name===ll.name)) { set.push(l) } return set }, [])
lirCountsPlz.filter(plz => !land.features.find(l => l.properties.PLZ99===plz.postcode.replace("DE-","").replace("D-","").replace(" M","").replace("D ","")))
totStats = Object.assign({ min: d3.min(landWithLirs, d => d.properties.lirCount), max: d3.max(landWithLirs, d => d.properties.lirCount)})
// html`<svg width="600" height="215">
// <g class="legend">
// ${lirStats.map((lc,i) => `<circle style="fill: ${lc.color}" cy="${i*30 + 20}" r="10" cx="50"/><text style="font: Open Sans, sans-serif" y="${i*30 + 26}" x="70">${lc.name} (${lc.count}) ${lc.min} - ${lc.max} [${lc.median}]</text>`)}
// </g>
// </svg>`
map = html`<svg viewBox="0 0 ${width} ${height}" style="display: block;">
<style>
.kreis { stroke: #eeeeee; stroke-width: 0.5; fill-opacity: 0.2; fill: white;}
.lir-loc { stroke: none; fill-opacity: 1.0; }
.probe-loc { stroke-width: 2; stroke: none; fill: white; fill-opacity: 0.8 }
.l-path { fill: none; stroke-width: 2; stroke: lightBlue; }
.kreis { fill-opacity: 0.8; }
</style>
<defs>
<path id="outline" d="${path(outline)}" />
<clipPath id="clip"><use xlink:href="${new URL("#outline", location)}" /></clipPath>
</defs>
<svg><g class="lir-loc" clip-path="url(${new URL("#clip", location)})">
<use xlink:href="${new URL("#outline", location)}" fill="#fff" />
<g>${kreise.features.map(l => `<path class="kreis" d="${path(l.geometry)}" style="fill: ${popKreisColor(l.properties.pop_density)}"></path>`)}</g>
<g>${landWithLirs.map(l => `<path d="${path(l.geometry)}" style="fill: ${lirCountColor(l.properties.lirCount)}"></path>`)}</g>
</g></svg>
<g>${landWithManyLirs.map(l => `<text x=${l.coords[0]} y=${l.coords[1]}>${l.name}</text>`)}</g>
<use xlink:href="${new URL("#outline", location)}" fill="none" stroke="#000" />
</svg>`
lirCountColor = d3.scaleLinear()
.domain([1, 3, 10])
.range(["yellow", "orange", "red"])
.interpolate(d3.interpolateLab);
popKreisColor = d3.scaleLinear()
.domain([30, 1880])
.range(["#fcfcfc", "#9f9f9f"])
.interpolate(d3.interpolateLab);
path = d3.geoPath(projection.scale(6150).rotate([-10,-53]))
// projection = d3.geoEqualEarth()
projection = d3.geoMercator()
turf = require("https://cdn.jsdelivr.net/npm/turf@3.0.14/turf.min.js")
height = 1200
world = fetch("https://www-static.ripe.net/static/rnd-ui/openipmap/production/maps/country_deu_adm2.topo.json").then(r => r.json())
outline = ({type: "Sphere"})
kreise = topojson.feature(world, world.objects["country_deu_adm2"])
land = fetch("https://www-static.ripe.net/static/rnd-ui/openipmap/production/maps/post_pl_utf8.geo.json").then(r => r.json())
topojson = import("topojson-client@3")
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