Published
Edited
Mar 14, 2022
1 fork
Importers
25 stars
polygon = d3.json(
`https://raw.githubusercontent.com/LingDong-/interesting-polygon-archive/master/json/${poly}.json`
)
positions = polygon.flat(1)
constrains = {
let z = 0;
return polygon
.map(function(ring, i) {
const c = ring.map((d, i) => [z + i, z + ((i + 1) % ring.length)]);
z += ring.length;
return c;
})
.flat();
}
constrained = {
const del = d3.Delaunay.from(positions);
const con = new Constrainautor(del._delaunator);
con.constrainAll(constrains);
return del;
}
function holedPolygonContains(polygon, c) {
return (
d3.polygonContains(polygon[0], c) &&
!polygon.slice(1).some(ring => d3.polygonContains(ring, c))
);
}
d3 = require("d3@7")
Constrainautor = require("@kninnug/constrainautor")
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
