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Gray-Fuller grid metrics
N = 120
import { grid } from "@fil/gray-fuller-grid"
points = {
const t = performance.now();
return Object.assign(grid(N), { t: performance.now() - t });
}
v = {
const t = performance.now();
return Object.assign(d3.geoVoronoi(points), { t: performance.now() - t });
}
polygons = v.polygons()
deviation_percent = d3.deviation(areas) / median
maximum_percent = {
const median = d3.median(areas);
return d3.max(areas, d => Math.abs(d - median)) / median;
}
areas = polygons.features.slice(12).map(d3.geoArea)
median = d3.median(areas)
mean = d3.mean(areas)
data = areas.map(a => a / median)
d3.extent(data)
edgeLengths = polygons.features.slice(12).map(d3.geoLength)
medianLength = d3.median(edgeLengths)
dataLength = edgeLengths.map(d => d / medianLength)
deviation_percentLength = d3.deviation(edgeLengths) / medianLength
maximum_percentLength = d3.max(edgeLengths, d => Math.abs(d - medianLength)) /
medianLength
d3 = require("d3@7", "d3-geo-projection@4", "d3-geo-polygon@1.8", "d3-geo-voronoi@2")
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