Function decodeMvt

Decode MVT (Mapbox Vector Tile) protobuf bytes into structured layer data.

Parameters

• bytes — Raw MVT protobuf bytes (typically from a .pbf tile file).

Returns

A MvtLayer (the first layer in the tile).

Usage (JS)

const response = await fetch('/tiles/10/868/387.pbf');
const buffer = await response.arrayBuffer();
const layer = decodeMvt(new Uint8Array(buffer));
console.log(layer.name(), layer.extent(), layer.featureCount());
const feat = layer.featureAt(0);
console.log(feat.geometryType(), feat.geometry());
Copy