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Cody Dunne
Published
Edited
Oct 7, 2022
Fork of Dot Density Map (based on gridded data)
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planSCountries = ["Finland", "Norway", "Ireland", "South Africa", "Austria", "France", "Italy", "Luxembourg", "Poland", "Slovenia", "Sweden", "Canada", "Netherlands", "Switzerland", "Jordan", "Portugal", "Belgium", "Bulgaria", "Croatia", "Czechia", "Denmark", "Germany", "Hungary", "Iceland", "Latvia", "Lithuania", "Romania", "Serbia", "Slovakia", "Spain", "Ukraine", "Switzerland", "Australia"]

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gwp4 = FileAttachment("pophex.topjson").json(); //https://raw.githubusercontent.com/neocarto/resources/master/datasets/ciesin/pophex.topjson
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landJson = FileAttachment("land.topojson").json(); ///https://raw.githubusercontent.com/neocarto/resources/master/datasets/ciesin/land.topojson
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land = topojson.feature(landJson, landJson.objects.land)
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countriesJson = FileAttachment("countries-110m.json").json();
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countries = topojson.feature(countriesJson, countriesJson.objects.countries)
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inverseFilteredCountries = topojson.merge(simplifiedCountries, simplifiedCountries.objects.countries.geometries.filter(function(d) { return !(planSCountries.includes(d.properties.name)); }))
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// Check whether the country is in our list of plan S countries, thus data shouldn't be shown
filteredCountries = topojson.merge(simplifiedCountries, simplifiedCountries.objects.countries.geometries.filter(function(d) { return (planSCountries.includes(d.properties.name)); }))
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simplify = (geo, val) => {
let simplified = topojson.presimplify(geo);
let min_weight = topojson.quantile(simplified, val);
//Every arc coordinate whose z-value is lower than min_weight is removed
return topojson.simplify(simplified, min_weight);
}
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simplifiedCountries = countriesJson// simplify(countriesJson, .9)
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d3 = require("d3@6", "d3-geo-projection@2")
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