Engineer at Mapbox, creator of Leaflet, algorithms geek, open source enthusiast, musician, father of twin girls, Ukrainian. 🇺🇦
Finding a short route through points without returning back with 2-optCollatz conjecture (3x + 1)Robust Arithmetic in Computational GeometryKinematics of Reverse Angle ParkingDrawing logarithmic spiralsApproximating Geometric SlerpEdgebreaker, the Heart of Google DracoFast Icosphere MeshHilbert Curve PackingSimple rectangle packingFast and simple prime generatorFast Distance TransformAdaptive Concave HullMARTINI: Real-Time RTIN Terrain Mesh
Calculating Pi digits
digits = function* digits() {
let q = 1n, r = 0n, t = 1n, k = 1n, n = 3n, l = 3n;
while (true) {
if (q * 4n + r - t < n * t) {
yield Number(n);
const nr = (r - n * t) * 10n;
n = (q * 3n + r) * 10n / t - n * 10n;
q *= 10n; r = nr;
} else {
const nr = (q * 2n + r) * l;
const nn = (q * k * 7n + 2n + r * l) / (t * l);
q *= k; t *= l;
l += 2n; k += 1n;
n = nn; r = nr;
}
}
}
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.